Projectors
•Download as PPTX, PDF•
4 likes•2,939 views
A CRT projector uses a small cathode ray tube to generate an image that is focused and enlarged onto a screen using a lens in front of the CRT. An LCD projector displays video or images on a screen using liquid crystal display technology. A DLP projector employs a digital micro mirror device to project images using digital light processing technology.
Report
Share
Report
Share
Recommended
All about projector
The document discusses various topics related to projectors, including what a projector is, the different types (DLP, LCD, CRT), their advantages and disadvantages. It also covers lumens and what they are, projector throw distance and how it's calculated, what a projector screen is, and the benefits of rear versus front projection. The key topics covered include the different projector technologies, factors that influence brightness like lumens, and how to set up the projector placement and screen.
Projectors
This document provides an overview of different types of projectors, including their history, technologies, advantages and disadvantages. It discusses CRT projectors, which were one of the earliest types but had image distortion issues. It then focuses on the two main technologies currently used: DLP (Digital Light Processing) and LCD (Liquid Crystal Display). For DLP, it describes how the microscopic mirrors work and lists benefits like higher contrast but potential rainbow effects. For LCD, it explains how the three liquid crystal panels work and notes benefits like sharper images for some models but also potential issues like dust, decay and limited lifetimes. The conclusion is that for best quality, a three-chip DLP is recommended, but both have advantages and
Projector
This document summarizes different types of projectors and their key features. It discusses overhead projectors, opaque projectors, and digital light processing (DLP) projectors. DLP projectors use thousands of microscopic mirrors to move pixels for higher contrast and clarity, and provide greater brightness than liquid crystal display (LCD) projectors. The document also lists some inputs, throw distance, and price range for DLP projectors. It discusses advantages like a large picture size, cost savings, and space efficiency, as well as limitations such as needing a dark room and separate audio system.
How does a projector works
Projectors work by using different technologies to project images or video onto a screen. The main types are CRT, LCD, DLP, and LCOS. CRT projectors use electron guns and phosphors to create images. LCD projectors use backlights and liquid crystal panels to control light transmission for each pixel. DLP projectors use an array of microscopic mirrors to rapidly reflect light and form images. LCOS projectors are similar to LCD but use reflective silicon backplanes instead of glass for better image quality. All projector types work by precisely controlling light to reproduce colors and create projected pictures.
Display Technologies ,OLD,NEW,Next Generation technologies
Cathode ray tube (CRT) displays were commonly used but are being replaced by newer technologies. CRTs use electron guns and phosphors to display images but have disadvantages like large size, weight, and power consumption. LCD displays use liquid crystals and do not emit light, instead blocking light to produce images. They are thinner and more energy efficient than CRTs but have limited viewing angles. Plasma displays utilize cells of charged gases to produce bright, large displays but also consume more power than LCDs. Newer technologies continue to improve on displays, with OLED providing thinner, more efficient self-emissive panels, LED backlights enhancing LCDs, and higher resolution 4K becoming more common.
Digital light processing and its future application.
This document discusses digital light processing (DLP) technology. DLP uses thousands of tiny mirrors on a digital micromirror device (DMD) chip to reflect light and produce high-quality images. It provides advantages like brightness, sharpness, and versatility. The document outlines the history and components of DLP, how DLP works by converting signals and creating color and grayscale images, and applications like DLP televisions. Potential disadvantages include the "rainbow effect" seen by some users. The future of DLP is promising as the technology is used in more business and high-definition projection applications.
Monitors.ppt
Short slide on types of moniter and display on market
and what is running and what is coming on market
Digital cameras and its types and specifications.
This document discusses the specifications of digital cameras. It begins with a brief history of digital cameras, invented in 1975 by Steven Sasson at Kodak. There are three main types: point and shoot, mega zoom, and DSLR. Key specifications that determine camera quality include sensor type and size (larger is better but more expensive), image processor brand, resolution in megapixels, aperture size of the lens (lower number means larger aperture), ISO sensitivity range (higher means better in low light), shutter speed range, and video capabilities like frames per second (higher is smoother). Other factors include screen size and quality, zoom range, storage options, battery life, connectivity and camera size/weight. Overall image
Recommended
All about projector
The document discusses various topics related to projectors, including what a projector is, the different types (DLP, LCD, CRT), their advantages and disadvantages. It also covers lumens and what they are, projector throw distance and how it's calculated, what a projector screen is, and the benefits of rear versus front projection. The key topics covered include the different projector technologies, factors that influence brightness like lumens, and how to set up the projector placement and screen.
Projectors
This document provides an overview of different types of projectors, including their history, technologies, advantages and disadvantages. It discusses CRT projectors, which were one of the earliest types but had image distortion issues. It then focuses on the two main technologies currently used: DLP (Digital Light Processing) and LCD (Liquid Crystal Display). For DLP, it describes how the microscopic mirrors work and lists benefits like higher contrast but potential rainbow effects. For LCD, it explains how the three liquid crystal panels work and notes benefits like sharper images for some models but also potential issues like dust, decay and limited lifetimes. The conclusion is that for best quality, a three-chip DLP is recommended, but both have advantages and
Projector
This document summarizes different types of projectors and their key features. It discusses overhead projectors, opaque projectors, and digital light processing (DLP) projectors. DLP projectors use thousands of microscopic mirrors to move pixels for higher contrast and clarity, and provide greater brightness than liquid crystal display (LCD) projectors. The document also lists some inputs, throw distance, and price range for DLP projectors. It discusses advantages like a large picture size, cost savings, and space efficiency, as well as limitations such as needing a dark room and separate audio system.
How does a projector works
Projectors work by using different technologies to project images or video onto a screen. The main types are CRT, LCD, DLP, and LCOS. CRT projectors use electron guns and phosphors to create images. LCD projectors use backlights and liquid crystal panels to control light transmission for each pixel. DLP projectors use an array of microscopic mirrors to rapidly reflect light and form images. LCOS projectors are similar to LCD but use reflective silicon backplanes instead of glass for better image quality. All projector types work by precisely controlling light to reproduce colors and create projected pictures.
Display Technologies ,OLD,NEW,Next Generation technologies
Cathode ray tube (CRT) displays were commonly used but are being replaced by newer technologies. CRTs use electron guns and phosphors to display images but have disadvantages like large size, weight, and power consumption. LCD displays use liquid crystals and do not emit light, instead blocking light to produce images. They are thinner and more energy efficient than CRTs but have limited viewing angles. Plasma displays utilize cells of charged gases to produce bright, large displays but also consume more power than LCDs. Newer technologies continue to improve on displays, with OLED providing thinner, more efficient self-emissive panels, LED backlights enhancing LCDs, and higher resolution 4K becoming more common.
Digital light processing and its future application.
This document discusses digital light processing (DLP) technology. DLP uses thousands of tiny mirrors on a digital micromirror device (DMD) chip to reflect light and produce high-quality images. It provides advantages like brightness, sharpness, and versatility. The document outlines the history and components of DLP, how DLP works by converting signals and creating color and grayscale images, and applications like DLP televisions. Potential disadvantages include the "rainbow effect" seen by some users. The future of DLP is promising as the technology is used in more business and high-definition projection applications.
Monitors.ppt
Short slide on types of moniter and display on market
and what is running and what is coming on market
Digital cameras and its types and specifications.
This document discusses the specifications of digital cameras. It begins with a brief history of digital cameras, invented in 1975 by Steven Sasson at Kodak. There are three main types: point and shoot, mega zoom, and DSLR. Key specifications that determine camera quality include sensor type and size (larger is better but more expensive), image processor brand, resolution in megapixels, aperture size of the lens (lower number means larger aperture), ISO sensitivity range (higher means better in low light), shutter speed range, and video capabilities like frames per second (higher is smoother). Other factors include screen size and quality, zoom range, storage options, battery life, connectivity and camera size/weight. Overall image
DLP Projection systems
This document discusses projection systems and their interfacing. It describes the key components and specifications of three main projection technologies: CRT, LCD, and DLP. CRT projectors use a cathode ray tube to generate images while LCD uses liquid crystal displays and DLP (digital light processing) uses a digital micromirror device chip. The document outlines specifications for each like brightness, resolution, throw ratio and inputs/outputs including VGA and HDMI interfaces.
Led monitors
LED monitors use arrays of LEDs as pixels for displays. They have advantages like slim design, brighter images, better color, and longer lifespan than LCD or plasma displays. However, they have higher costs and colors can shift over time. New technologies like OLED do not require backlighting as each pixel is its own light source. QLED uses quantum dots to produce color instead of LEDs and color filters. Multi-segment LED displays like 7, 14, and 16-segment arrays allow digits to be displayed by individually lighting different LED segments in set patterns.
Understanding multimedia projectors.
1. A multimedia projector is a compact, high resolution device capable of projecting text, images, video, and audio content from various input sources like computers, DVD/VCR players, and storage devices.
2. A multimedia projector takes a video signal, converts it into a viewable image, and projects it on a screen. It can be used to present PowerPoint slides, videos, games, and more.
3. Multimedia projectors have various applications like presenting in seminars and expos, conducting business meetings, training workshops, and teaching classes efficiently. They are categorized based on size and portability as ultra light, conference room, and fixed installation projectors.
Plasma display
Plasma displays use small cells filled with electrically charged gas that illuminate pixels when an electric current is applied. They can produce large, bright displays over 30 inches and have wide viewing angles and deep blacks. However, they use more power than LCDs and may cause noise or radio interference. While thicker than LCDs, some modern plasma TVs are as slim as 2.5 cm. Competing display technologies include LCD, OLED, and LED screens.
MODERN DISPLAYS
Modern displays have evolved significantly over time. Early displays included CRTs (cathode ray tubes), which were large, power-intensive, and had limited resolution. TFT (thin film transistor) LCD displays then became popular, using thin film transistors to control each pixel for faster refresh rates. LCDs are now ubiquitous but have limited viewing angles. LED displays then emerged, using arrays of light-emitting diodes for backlighting to provide brighter images with better color and contrast than LCDs. The latest technology is OLED (organic light-emitting diode) displays, where each pixel internally emits its own light for perfect black levels and wider viewing angles compared to LCDs. Display technologies continue advancing toward thinner,
Tft Monitor
Thin film transistor (TFT) monitors use TFT technology to replace old cathode ray tube (CRT) displays. TFTs can be made from different semiconductor materials like cadmium selenide or crystalline, poly-silicon, and amorphous silicon. P-channel TFTs are switched on by a negative gate voltage and off by a positive gate voltage, while N-channel TFTs are switched on by a positive gate voltage and off by a negative gate voltage. TFT displays use less current than CRTs, allowing for faster image redrawing as the display refreshes several times per second.
Flat panel displays
Direct-view storage tubes store picture information directly behind the screen using an electron beam to write a charged pattern on a fine mesh grid coated with dielectric. A flood electron gun then emits a continuous flood of electrons that pass through the grid, attaching to positively charged portions and striking the phosphors. This stored charge pattern is what displays the image without needing refreshment like a standard CRT. Advantages are very high resolution images without flicker, while disadvantages are inability to display color and inability to fully erase selected areas.
Digital Light Processing and it's Future applications
This ppt describes briefly about DLP, its evolution and working. It also includes the Pros & Cons of this technology.
You can also find an youtube video regarding the working of digital light processing.
link: https://www.youtube.com/watch?v=9nb8mM3uEIc
Flat panel
Flat panel displays are thin, lightweight electronic visual displays that use technologies like LCD, LED, OLED, and plasma. They have largely replaced bulkier CRT displays. There are two main types: volatile displays that require constant refreshing like LCDs, and static displays that maintain image without refreshing like some e-readers. Flat panels are used in devices like laptops, phones, TVs due to their thinness and portability compared to CRTs.
LCD Display
An LCD is a flat panel display that uses liquid crystals to modulate light from a backlight to produce images. It has an array of pixels filled with liquid crystals that can be electronically controlled to produce color or monochrome images. LCDs are commonly used in devices like computer monitors, TVs, clocks and phones. They work by controlling the transmission of light through the liquid crystals with an electric field to display images but do not directly emit light.
Plasma Tv(2)
Plasma TV uses plasma display panel technology. It works by exciting gas inside small cells between glass panels, causing them to emit light. This allows for thin, large screens. Early models were developed in 1960s but became popular in 1990s as screens got larger. Plasma TVs provide vibrant colors, wide viewing angles and high contrast but have shorter lifespans than LCD TVs. They come in various screen sizes up to 60 inches.
CRT Monitor
The document discusses types of monitors, focusing on CRT monitors. It explains that a CRT monitor uses an electron beam to excite phosphor dots on the screen to display an image. The beam travels across millions of red, green, and blue dots. Advantages are high brightness, quality, and contrast. Disadvantages include large size, potential health hazards from radiation, overheating risks, heavy weight, and headaches from constant refreshing.
OUTPUT DEVICES: MONITORS (CRT, LCD, LED, PLASMA)
Handouts for BBA First Semester, Prime College
CONTENTS INSIDE
DISPLAY DEVICES INCLUDING CRT, LCD, LED and PLASMA with advantages and disadvantages.
Digital light processing_seminar_report_download
Digital Light Processing (DLP) is a display technology that uses a Digital Micromirror Device (DMD) chip. The DMD chip contains an array of tiny tilting mirrors that rapidly direct light to create images. DLP creates images using a single white light source and delivers deeper blacks, conveys fast motion well, and has a replaceable light bulb. It is well suited for sports and movies. At the heart of a DLP projector is the DMD chip, which contains hundreds of thousands of tilting micromirrors. Each mirror is mounted on springs and can tilt either on or off to reflect light either toward or away from the projection lens and screen. Other key components include color filters, cooling
Computer Monitors
This document provides information about computer monitors, including their components and technologies. It defines key monitor specifications like resolution, pixel, and color depth. It describes common display standards and resolutions. It explains the technologies of cathode ray tubes (CRTs) and liquid crystal displays (LCDs), including how they work and their pros and cons. While CRTs were originally used, LCDs are now more common due to their lower power consumption and smaller size, though newer technologies like SED and OLED may replace them.
Monitors and their types
The document discusses different types of computer monitors and display technologies. It describes CRT monitors which use cathode ray tubes and are economical but can cause eye strain. Flat panel displays like LCD, LED, OLED are thinner and cause less eye strain but are more expensive. Other display technologies discussed include plasma display panels, digital light processing, electroluminescent displays, field emission displays, and nano-emissive displays. The document also covers different audio channel technologies including mono, stereo, and surround sound systems.
Liquid Crystal Display (LCD)
LCDs use liquid crystals and polarized light to display images on a thin, flat screen. They have advantages over older CRT displays like smaller size, lower power consumption, and lighter weight. LCD pixels use liquid crystals that can be aligned by electric fields to allow light to pass through polarized filters, turning pixels on and off. Active matrix LCDs provide higher resolution by adding a transistor to each sub-pixel for individual control.
Monitor
The monitor is the most common output device used to display text and graphics made up of thousands of tiny colored dots called pixels. There are several types of monitors including monochrome monitors that display in black and white, color monitors that can display multiple colors, and LCD monitors which are more expensive but flatter and use less energy than older CRT monitors. The quality of images depends on the screen resolution measured in pixels, with higher resolutions displaying more detail.
Crt ppt
A CRT monitor works by using an electron gun to excite phosphor on the inside of a screen, causing it to glow. It contains three electron guns that fire beams of red, green, and blue to create colors by combining different intensities of the primary colors. The electron beams travel across the screen rapidly, guided by deflection coils and synchronized by horizontal and vertical sync signals to refresh the screen and prevent flickering. Key specifications that affect image quality include screen size, resolution measured in pixels, refresh rate measured in Hz, and dot pitch which affects sharpness.
Flat panel display
This presentation is describing what is flat panel display and its type, advantages and disadvantages and difference between crt and fpd
Projectors In The Classroom
Overhead projectors allow teachers to display visual materials for an entire classroom to see. They work by projecting transparencies onto a screen using an overhead projector. Transparencies can be hand drawn, printed, or photocopied onto clear acetate sheets. This allows teachers to keep their eyes on students, direct attention to important concepts, and build upon ideas by overlaying multiple transparencies. Overhead projectors provide an easy to use and flexible tool for note taking, lessons, schedules, maps and more in the classroom.
Theory of projection
A basic introductory class to Theory of Projection with a specific focus on Anna University first year students handling Engineering Graphics
More Related Content
What's hot
DLP Projection systems
This document discusses projection systems and their interfacing. It describes the key components and specifications of three main projection technologies: CRT, LCD, and DLP. CRT projectors use a cathode ray tube to generate images while LCD uses liquid crystal displays and DLP (digital light processing) uses a digital micromirror device chip. The document outlines specifications for each like brightness, resolution, throw ratio and inputs/outputs including VGA and HDMI interfaces.
Led monitors
LED monitors use arrays of LEDs as pixels for displays. They have advantages like slim design, brighter images, better color, and longer lifespan than LCD or plasma displays. However, they have higher costs and colors can shift over time. New technologies like OLED do not require backlighting as each pixel is its own light source. QLED uses quantum dots to produce color instead of LEDs and color filters. Multi-segment LED displays like 7, 14, and 16-segment arrays allow digits to be displayed by individually lighting different LED segments in set patterns.
Understanding multimedia projectors.
1. A multimedia projector is a compact, high resolution device capable of projecting text, images, video, and audio content from various input sources like computers, DVD/VCR players, and storage devices.
2. A multimedia projector takes a video signal, converts it into a viewable image, and projects it on a screen. It can be used to present PowerPoint slides, videos, games, and more.
3. Multimedia projectors have various applications like presenting in seminars and expos, conducting business meetings, training workshops, and teaching classes efficiently. They are categorized based on size and portability as ultra light, conference room, and fixed installation projectors.
Plasma display
Plasma displays use small cells filled with electrically charged gas that illuminate pixels when an electric current is applied. They can produce large, bright displays over 30 inches and have wide viewing angles and deep blacks. However, they use more power than LCDs and may cause noise or radio interference. While thicker than LCDs, some modern plasma TVs are as slim as 2.5 cm. Competing display technologies include LCD, OLED, and LED screens.
MODERN DISPLAYS
Modern displays have evolved significantly over time. Early displays included CRTs (cathode ray tubes), which were large, power-intensive, and had limited resolution. TFT (thin film transistor) LCD displays then became popular, using thin film transistors to control each pixel for faster refresh rates. LCDs are now ubiquitous but have limited viewing angles. LED displays then emerged, using arrays of light-emitting diodes for backlighting to provide brighter images with better color and contrast than LCDs. The latest technology is OLED (organic light-emitting diode) displays, where each pixel internally emits its own light for perfect black levels and wider viewing angles compared to LCDs. Display technologies continue advancing toward thinner,
Tft Monitor
Thin film transistor (TFT) monitors use TFT technology to replace old cathode ray tube (CRT) displays. TFTs can be made from different semiconductor materials like cadmium selenide or crystalline, poly-silicon, and amorphous silicon. P-channel TFTs are switched on by a negative gate voltage and off by a positive gate voltage, while N-channel TFTs are switched on by a positive gate voltage and off by a negative gate voltage. TFT displays use less current than CRTs, allowing for faster image redrawing as the display refreshes several times per second.
Flat panel displays
Direct-view storage tubes store picture information directly behind the screen using an electron beam to write a charged pattern on a fine mesh grid coated with dielectric. A flood electron gun then emits a continuous flood of electrons that pass through the grid, attaching to positively charged portions and striking the phosphors. This stored charge pattern is what displays the image without needing refreshment like a standard CRT. Advantages are very high resolution images without flicker, while disadvantages are inability to display color and inability to fully erase selected areas.
Digital Light Processing and it's Future applications
This ppt describes briefly about DLP, its evolution and working. It also includes the Pros & Cons of this technology.
You can also find an youtube video regarding the working of digital light processing.
link: https://www.youtube.com/watch?v=9nb8mM3uEIc
Flat panel
Flat panel displays are thin, lightweight electronic visual displays that use technologies like LCD, LED, OLED, and plasma. They have largely replaced bulkier CRT displays. There are two main types: volatile displays that require constant refreshing like LCDs, and static displays that maintain image without refreshing like some e-readers. Flat panels are used in devices like laptops, phones, TVs due to their thinness and portability compared to CRTs.
LCD Display
An LCD is a flat panel display that uses liquid crystals to modulate light from a backlight to produce images. It has an array of pixels filled with liquid crystals that can be electronically controlled to produce color or monochrome images. LCDs are commonly used in devices like computer monitors, TVs, clocks and phones. They work by controlling the transmission of light through the liquid crystals with an electric field to display images but do not directly emit light.
Plasma Tv(2)
Plasma TV uses plasma display panel technology. It works by exciting gas inside small cells between glass panels, causing them to emit light. This allows for thin, large screens. Early models were developed in 1960s but became popular in 1990s as screens got larger. Plasma TVs provide vibrant colors, wide viewing angles and high contrast but have shorter lifespans than LCD TVs. They come in various screen sizes up to 60 inches.
CRT Monitor
The document discusses types of monitors, focusing on CRT monitors. It explains that a CRT monitor uses an electron beam to excite phosphor dots on the screen to display an image. The beam travels across millions of red, green, and blue dots. Advantages are high brightness, quality, and contrast. Disadvantages include large size, potential health hazards from radiation, overheating risks, heavy weight, and headaches from constant refreshing.
OUTPUT DEVICES: MONITORS (CRT, LCD, LED, PLASMA)
Handouts for BBA First Semester, Prime College
CONTENTS INSIDE
DISPLAY DEVICES INCLUDING CRT, LCD, LED and PLASMA with advantages and disadvantages.
Digital light processing_seminar_report_download
Digital Light Processing (DLP) is a display technology that uses a Digital Micromirror Device (DMD) chip. The DMD chip contains an array of tiny tilting mirrors that rapidly direct light to create images. DLP creates images using a single white light source and delivers deeper blacks, conveys fast motion well, and has a replaceable light bulb. It is well suited for sports and movies. At the heart of a DLP projector is the DMD chip, which contains hundreds of thousands of tilting micromirrors. Each mirror is mounted on springs and can tilt either on or off to reflect light either toward or away from the projection lens and screen. Other key components include color filters, cooling
Computer Monitors
This document provides information about computer monitors, including their components and technologies. It defines key monitor specifications like resolution, pixel, and color depth. It describes common display standards and resolutions. It explains the technologies of cathode ray tubes (CRTs) and liquid crystal displays (LCDs), including how they work and their pros and cons. While CRTs were originally used, LCDs are now more common due to their lower power consumption and smaller size, though newer technologies like SED and OLED may replace them.
Monitors and their types
The document discusses different types of computer monitors and display technologies. It describes CRT monitors which use cathode ray tubes and are economical but can cause eye strain. Flat panel displays like LCD, LED, OLED are thinner and cause less eye strain but are more expensive. Other display technologies discussed include plasma display panels, digital light processing, electroluminescent displays, field emission displays, and nano-emissive displays. The document also covers different audio channel technologies including mono, stereo, and surround sound systems.
Liquid Crystal Display (LCD)
LCDs use liquid crystals and polarized light to display images on a thin, flat screen. They have advantages over older CRT displays like smaller size, lower power consumption, and lighter weight. LCD pixels use liquid crystals that can be aligned by electric fields to allow light to pass through polarized filters, turning pixels on and off. Active matrix LCDs provide higher resolution by adding a transistor to each sub-pixel for individual control.
Monitor
The monitor is the most common output device used to display text and graphics made up of thousands of tiny colored dots called pixels. There are several types of monitors including monochrome monitors that display in black and white, color monitors that can display multiple colors, and LCD monitors which are more expensive but flatter and use less energy than older CRT monitors. The quality of images depends on the screen resolution measured in pixels, with higher resolutions displaying more detail.
Crt ppt
A CRT monitor works by using an electron gun to excite phosphor on the inside of a screen, causing it to glow. It contains three electron guns that fire beams of red, green, and blue to create colors by combining different intensities of the primary colors. The electron beams travel across the screen rapidly, guided by deflection coils and synchronized by horizontal and vertical sync signals to refresh the screen and prevent flickering. Key specifications that affect image quality include screen size, resolution measured in pixels, refresh rate measured in Hz, and dot pitch which affects sharpness.
Flat panel display
This presentation is describing what is flat panel display and its type, advantages and disadvantages and difference between crt and fpd
What's hot (20)
Digital Light Processing and it's Future applications
Digital Light Processing and it's Future applications
Viewers also liked
Projectors In The Classroom
Overhead projectors allow teachers to display visual materials for an entire classroom to see. They work by projecting transparencies onto a screen using an overhead projector. Transparencies can be hand drawn, printed, or photocopied onto clear acetate sheets. This allows teachers to keep their eyes on students, direct attention to important concepts, and build upon ideas by overlaying multiple transparencies. Overhead projectors provide an easy to use and flexible tool for note taking, lessons, schedules, maps and more in the classroom.
Theory of projection
A basic introductory class to Theory of Projection with a specific focus on Anna University first year students handling Engineering Graphics
maximizing the use of Overhead Projector and the Chalkboard
This document provides tips for maximizing the use of chalkboards and overhead projectors in the classroom. It discusses how to properly write on the chalkboard for legibility and offers techniques for using overhead projectors, such as showing pictures and diagrams with a pointer, writing directly on transparencies, and using overlays to separate complex ideas. The document also provides examples of how to use these visual aids across different subject areas and grades.
working of Projector
The document discusses the working of an LCD projector. It contains LCD panels at its center with a halogen bulb that heats up to allow light to pass through. Images from a DVD player or satellite box travel through the projector tube and hit a phosphorous-coated screen, where each fragment of light (pixel) breaks down into red, blue, or green components. The projector enables viewing by many people from a distance and produces sharp images with light efficiency.
Dlp projector ppt
This document discusses and compares DLP and LCD projector technologies. It explains that DLP projectors use Digital Micro mirror Devices (DMD) chips that contain thousands of tiny mirrors to reflect light and produce each pixel of the image. DLP projectors can have single or multiple DMD chips to create colors. Overall, DLP projectors tend to be brighter than LCD projectors but also more expensive, making them a popular choice for businesses and education.
Maximizing the use of the overhead projector and the chalkboard
This document provides guidance on effectively using chalkboards and overhead projectors in teaching. It recommends writing clearly on chalkboards from left to right and not crowding notes. It also suggests using color chalk to highlight key points. For overhead projectors, it advises speaking to students rather than the screen and placing the projector for optimal viewing. Examples are given of using objects, student work, and solving problems on overhead projectors to engage students.
The Overhead Projector
Overhead projection allows for versatile group presentations. It relies primarily on the presenter and is designed for presenting to multiple people at once. Effective techniques include avoiding using the projector randomly, switching it off during transitions to focus on the presenter, using a pointer on the transparency instead of the screen, and revealing information gradually by covering parts of the material. Dual projectors can also address secondary topics or enable multilingual presentations.
Maximizing the use of the overhead projector and the chalkboard
This document discusses techniques for maximizing the use of chalkboards and overhead projectors in educational settings. It provides tips for effective chalkboard use such as sharpening chalk, writing at a legible size, and using different colored chalks. For overhead projectors, it recommends techniques like using a pointer, writing on transparencies during projection, progressively revealing information, and overlaying transparencies. Examples are given of how to use these tools across different subject areas and grade levels. Register marks are suggested for properly aligning transparency overlays.
Maximizing the use of Overhead projector
Maximizing the use of Overhead projector presented by Lori Jane L. Letada, BSED-math III-C for Edtech.
Educational technology and its application
This document discusses the application of educational technology in formal and non-formal education. It defines educational technology as the combination of hardware and software used for educational purposes. In formal education, technology is used as a visual aid in classrooms through tools like smart boards and projectors. It allows students to learn, practice, and expand their knowledge. In non-formal education, computer-assisted learning, the internet, and digital resources are used for interactive instruction outside the traditional classroom. Educational technology integrates different tools to enhance the learning experience.
Effective use of teaching aids
The document discusses effective use of teaching aids. It provides tips on choosing the appropriate visual aid based on context, and how to effectively use common teaching aids like whiteboards, overhead projectors, PowerPoint, and various media. The advantages and disadvantages of different aids are outlined. Overall, the document aims to help instructors select and present visual aids that reinforce lessons, engage students, and facilitate different learning styles.
REPORT ON PROJECTORS
This document discusses different types of projectors. It begins with an introduction to projectors and their history. It then describes the main types of projectors - CRT, DLP, and LCD projectors. It explains how each type works and their advantages and disadvantages. The document provides figures to illustrate the working of DLP and LCD projectors. It also discusses other aspects like resolution, brightness and contrast ratio that should be considered while choosing a projector. In conclusion, it compares the different projector technologies.
Teaching aids
This document provides guidance for academic staff on effective use of teaching aids. It discusses various visual aids like whiteboards, overhead projectors, and data projectors. For each aid, it covers advantages and disadvantages, preparation tips, and best practices. It also includes learning outcomes, why visual aids are useful, retention rates tied to different sensory modes, and tasks for participants to think about aids for their own lectures and provide feedback. The overall document aims to help academic staff incorporate visual elements into their teaching to enhance learning.
Using your projector in your classroom
This document provides a list of online resources that can be used with a classroom projector. It includes tools for creating documents, mind maps, and presentations; virtual manipulatives and simulations; communication tools like Skype; and resources for lessons including videos, images, current events, virtual field trips, timers, and reading materials. The document emphasizes that the projector allows teachers to display information and instructions, as well as engage students with interactive activities on the screen.
Advantages & disadvantages chalkboard,overhead projector.
This document compares and contrasts chalkboards and overhead projectors as instructional tools. Chalkboards are inexpensive but writings cannot be saved. Overhead projectors allow presentations to be reused and show motions, but they are more expensive, bulky, and require power. Both have advantages - chalkboards for writing and erasing easily, overhead projectors for visualizing presentations - but overhead projectors are considered a better medium overall as they facilitate face-to-face contact and focusing audiences through projected materials.
DIGITAL LIGHT PROCESSING (DIP)
DLP, or Digital Light Processing, was invented in 1987 by Dr. Larry Hornbeck. It uses a Digital Micromirror Device (DMD) chip that contains a matrix of microscopic mirrors to create images by directing light. There are two main types of DLP systems - one chip uses a color wheel while three chip systems use a prism to separate colors. DLP has advantages over LCD like lower power consumption and maintenance. It finds applications in video projectors, 3D printing, and holographic storage due to its speed and ability to withstand mechanical stresses.
Leafletpresentation
This document discusses the purpose and design of leaflets. Leaflets are short open letters designed to be distributed to attract people's attention by hand or through local newspapers. Key aspects of designing effective leaflets include using catchy titles and slogans to grab attention, writing clear introductions and subheadings, including attractive illustrations, and providing contact information. Grammatical features like using the present tense and positive language make leaflets persuasive. Characteristics like size, quality and color of paper used also impact leaflet production and delivery. The goal of leaflets is to inform people or encourage action through compelling and direct messaging.
Nec lt 280 lcd projector operating instructions
The document provides setup instructions for an NEC LT-280 LCD projector in 3 steps:
1. Connect the power cables, LCD projector to the computer, and remove the lens cap from the projector.
2. Power on the LCD projector and computer. Adjust the picture size and position using the tilt foot and zoom/focus levers.
3. After presenting, power down the projector by pressing the on/standby button twice to confirm and leaving it on until the cooling fan stops running before replacing the lens cap.
Digital light processing
DLP (Digital Light Processing) technology was developed by Texas Instruments in 1987. It uses a digital micromirror device (DMD) chip containing a grid of hundreds of thousands of tiny tilting mirrors to produce high-quality images with high brightness and contrast. Each mirror represents one pixel and rapidly tilts between on and off positions to reflect light and produce colors using a spinning color wheel. DLP has advantages over other display technologies as it can create images of any size, has excellent brightness uniformity, and does not use heat-sensitive organic materials. It is widely used in projectors, TVs, and other applications demanding superior visuals.
Viewers also liked (20)
maximizing the use of Overhead Projector and the Chalkboard
maximizing the use of Overhead Projector and the Chalkboard
Maximizing the use of the overhead projector and the chalkboard
Maximizing the use of the overhead projector and the chalkboard
Maximizing the use of the overhead projector and the chalkboard
Maximizing the use of the overhead projector and the chalkboard
Advantages & disadvantages chalkboard,overhead projector.
Advantages & disadvantages chalkboard,overhead projector.
Recently uploaded
Zodiac Signs and Food Preferences_ What Your Sign Says About Your Taste
Know what your zodiac sign says about your taste in food! Explore how the 12 zodiac signs influence your culinary preferences with insights from MyPandit. Dive into astrology and flavors!
How are Lilac French Bulldogs Beauty Charming the World and Capturing Hearts....
“After being the most listed dog breed in the United States for 31
years in a row, the Labrador Retriever has dropped to second place
in the American Kennel Club's annual survey of the country's most
popular canines. The French Bulldog is the new top dog in the
United States as of 2022. The stylish puppy has ascended the
rankings in rapid time despite having health concerns and limited
color choices.”
❼❷⓿❺❻❷❽❷❼❽ Dpboss Matka Result Satta Matka Guessing Satta Fix jodi Kalyan Fin...
❼❷⓿❺❻❷❽❷❼❽ Dpboss Matka Result Satta Matka Guessing Satta Fix jodi Kalyan Fin...❼❷⓿❺❻❷❽❷❼❽ Dpboss Kalyan Satta Matka Guessing Matka Result Main Bazar chart
❼❷⓿❺❻❷❽❷❼❽ Dpboss Matka Result Satta Matka Guessing Satta Fix jodi Kalyan Final ank Satta Matka Dpbos Final ank Satta Matta Matka 143 Kalyan Matka Guessing Final Matka Final ank Today Matka 420 Satta Batta Satta 143 Kalyan Chart Main Bazar Chart vip Matka Guessing Dpboss 143 Guessing Kalyan night Cover Story - China's Investment Leader - Dr. Alyce SU
In World Expo 2010 Shanghai – the most visited Expo in the World History
https://www.britannica.com/event/Expo-Shanghai-2010
China’s official organizer of the Expo, CCPIT (China Council for the Promotion of International Trade https://en.ccpit.org/) has chosen Dr. Alyce Su as the Cover Person with Cover Story, in the Expo’s official magazine distributed throughout the Expo, showcasing China’s New Generation of Leaders to the World.
Dpboss Matka Guessing Satta Matta Matka Kalyan Chart Indian Matka
Dpboss Matka Guessing Satta Matta Matka Kalyan Chart Indian Matka➒➌➎➏➑➐➋➑➐➐Dpboss Matka Guessing Satta Matka Kalyan Chart Indian Matka
9356872877Sattamatka.satta.matka.satta matka.kalyan weekly chart.kalyan chart.kalyan jodi chart.kalyan penal chart.kalyan today.kalyan open.fix satta.fix fix fix Satta matka nambar.Digital Transformation Frameworks: Driving Digital Excellence
[To download this presentation, visit:
https://www.oeconsulting.com.sg/training-presentations]
This presentation is a curated compilation of PowerPoint diagrams and templates designed to illustrate 20 different digital transformation frameworks and models. These frameworks are based on recent industry trends and best practices, ensuring that the content remains relevant and up-to-date.
Key highlights include Microsoft's Digital Transformation Framework, which focuses on driving innovation and efficiency, and McKinsey's Ten Guiding Principles, which provide strategic insights for successful digital transformation. Additionally, Forrester's framework emphasizes enhancing customer experiences and modernizing IT infrastructure, while IDC's MaturityScape helps assess and develop organizational digital maturity. MIT's framework explores cutting-edge strategies for achieving digital success.
These materials are perfect for enhancing your business or classroom presentations, offering visual aids to supplement your insights. Please note that while comprehensive, these slides are intended as supplementary resources and may not be complete for standalone instructional purposes.
Frameworks/Models included:
Microsoft’s Digital Transformation Framework
McKinsey’s Ten Guiding Principles of Digital Transformation
Forrester’s Digital Transformation Framework
IDC’s Digital Transformation MaturityScape
MIT’s Digital Transformation Framework
Gartner’s Digital Transformation Framework
Accenture’s Digital Strategy & Enterprise Frameworks
Deloitte’s Digital Industrial Transformation Framework
Capgemini’s Digital Transformation Framework
PwC’s Digital Transformation Framework
Cisco’s Digital Transformation Framework
Cognizant’s Digital Transformation Framework
DXC Technology’s Digital Transformation Framework
The BCG Strategy Palette
McKinsey’s Digital Transformation Framework
Digital Transformation Compass
Four Levels of Digital Maturity
Design Thinking Framework
Business Model Canvas
Customer Journey Map
IMG_20240615_091110.pdf dpboss guessing
Satta matka fixx jodi panna all market dpboss matka guessing fixx panna jodi kalyan and all market game liss cover now 420 matka office mumbai maharashtra india fixx jodi panna
Call me 9040963354
WhatsApp 9040963354
Sustainable Logistics for Cost Reduction_ IPLTech Electric's Eco-Friendly Tra...
Sustainable Logistics for Cost Reduction_ IPLTech Electric's Eco-Friendly Transport Solution
Ellen Burstyn: From Detroit Dreamer to Hollywood Legend | CIO Women Magazine
In this article, we will dive into the extraordinary life of Ellen Burstyn, where the curtains rise on a story that's far more attractive than any script.
Dpboss Matka Guessing Satta Matta Matka Kalyan panel Chart Indian Matka Dpbos...
Dpboss Matka Guessing Satta Matta Matka Kalyan panel Chart Indian Matka Dpbos...➒➌➎➏➑➐➋➑➐➐Dpboss Matka Guessing Satta Matka Kalyan Chart Indian Matka
Sattamatka.satta.matka.satta matka.kalyan weekly chart.kalyan chart.kalyan jodi chart.kalyan penal chart.kalyan today.kalyan open.fix satta.fix fix fix Satta matka nambarThe Genesis of BriansClub.cm Famous Dark WEb Platform
BriansClub.cm, a famous platform on the dark web, has become one of the most infamous carding marketplaces, specializing in the sale of stolen credit card data.
2024-6-01-IMPACTSilver-Corp-Presentation.pdf
IMPACT Silver is a pure silver zinc producer with over $260 million in revenue since 2008 and a large 100% owned 210km Mexico land package - 2024 catalysts includes new 14% grade zinc Plomosas mine and 20,000m of fully funded exploration drilling.
PM Surya Ghar Muft Bijli Yojana: Online Application, Eligibility, Subsidies &...
PM Surya Ghar Muft Bijli Yojana: Online Application, Eligibility, Subsidies &...Ksquare Energy Pvt. Ltd.
During the budget session of 2024-25, the finance minister, Nirmala Sitharaman, introduced the “solar Rooftop scheme,” also known as “PM Surya Ghar Muft Bijli Yojana.” It is a subsidy offered to those who wish to put up solar panels in their homes using domestic power systems. Additionally, adopting photovoltaic technology at home allows you to lower your monthly electricity expenses. Today in this blog we will talk all about what is the PM Surya Ghar Muft Bijli Yojana. How does it work? Who is eligible for this yojana and all the other things related to this scheme?欧洲杯赌球-欧洲杯赌球买球官方官网-欧洲杯赌球比赛投注官网|【网址🎉ac55.net🎉】
【网址🎉ac55.net🎉】欧洲杯赌球是世界上历史最悠久的博彩公司之一。其历史可以追溯到十九世纪末，确切时间是1886年。这家英国公司拥有超过15000名员工，是博彩行业规模最大的公司。欧洲杯赌球是英国最受欢迎的实体博彩公司之一，其排名仅次于欧洲杯赌球，旗下2800家投注站遍布全英国。
Satta Matka Dpboss Matka Guessing Kalyan Chart Indian Matka Kalyan panel Chart
Satta Matka Dpboss Matka Guessing Kalyan Chart Indian Matka Kalyan panel Chart➒➌➎➏➑➐➋➑➐➐Dpboss Matka Guessing Satta Matka Kalyan Chart Indian Matka
SATTA MATKA SATTA FAST RESULT KALYAN TOP MATKA RESULT KALYAN SATTA MATKA FAST RESULT MILAN RATAN RAJDHANI MAIN BAZAR MATKA FAST TIPS RESULT MATKA CHART JODI CHART PANEL CHART FREE FIX GAME SATTAMATKA ! MATKA MOBI SATTA 143 spboss.in TOP NO1 RESULT FULL RATE MATKA ONLINE GAME PLAY BY APP SPBOSSUnveiling the Dynamic Personalities, Key Dates, and Horoscope Insights: Gemin...
Explore the fascinating world of the Gemini Zodiac Sign. Discover the unique personality traits, key dates, and horoscope insights of Gemini individuals. Learn how their sociable, communicative nature and boundless curiosity make them the dynamic explorers of the zodiac. Dive into the duality of the Gemini sign and understand their intellectual and adventurous spirit.
The latest Heat Pump Manual from Newentide
𝐔𝐧𝐯𝐞𝐢𝐥 𝐭𝐡𝐞 𝐅𝐮𝐭𝐮𝐫𝐞 𝐨𝐟 𝐄𝐧𝐞𝐫𝐠𝐲 𝐄𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐜𝐲 𝐰𝐢𝐭𝐡 𝐍𝐄𝐖𝐍𝐓𝐈𝐃𝐄’𝐬 𝐋𝐚𝐭𝐞𝐬𝐭 𝐎𝐟𝐟𝐞𝐫𝐢𝐧𝐠𝐬
Explore the details in our newly released product manual, which showcases NEWNTIDE's advanced heat pump technologies. Delve into our energy-efficient and eco-friendly solutions tailored for diverse global markets.
Recently uploaded (20)
Zodiac Signs and Food Preferences_ What Your Sign Says About Your Taste
Zodiac Signs and Food Preferences_ What Your Sign Says About Your Taste
How are Lilac French Bulldogs Beauty Charming the World and Capturing Hearts....
How are Lilac French Bulldogs Beauty Charming the World and Capturing Hearts....
❼❷⓿❺❻❷❽❷❼❽ Dpboss Matka Result Satta Matka Guessing Satta Fix jodi Kalyan Fin...
❼❷⓿❺❻❷❽❷❼❽ Dpboss Matka Result Satta Matka Guessing Satta Fix jodi Kalyan Fin...
Cover Story - China's Investment Leader - Dr. Alyce SU
Cover Story - China's Investment Leader - Dr. Alyce SU
Dpboss Matka Guessing Satta Matta Matka Kalyan Chart Indian Matka
Dpboss Matka Guessing Satta Matta Matka Kalyan Chart Indian Matka
Digital Transformation Frameworks: Driving Digital Excellence
Digital Transformation Frameworks: Driving Digital Excellence
Sustainable Logistics for Cost Reduction_ IPLTech Electric's Eco-Friendly Tra...
Sustainable Logistics for Cost Reduction_ IPLTech Electric's Eco-Friendly Tra...
Ellen Burstyn: From Detroit Dreamer to Hollywood Legend | CIO Women Magazine
Ellen Burstyn: From Detroit Dreamer to Hollywood Legend | CIO Women Magazine
Registered-Establishment-List-in-Uttarakhand-pdf.pdf
Registered-Establishment-List-in-Uttarakhand-pdf.pdf
Dpboss Matka Guessing Satta Matta Matka Kalyan panel Chart Indian Matka Dpbos...
Dpboss Matka Guessing Satta Matta Matka Kalyan panel Chart Indian Matka Dpbos...
The Genesis of BriansClub.cm Famous Dark WEb Platform
The Genesis of BriansClub.cm Famous Dark WEb Platform
PM Surya Ghar Muft Bijli Yojana: Online Application, Eligibility, Subsidies &...
PM Surya Ghar Muft Bijli Yojana: Online Application, Eligibility, Subsidies &...
Satta Matka Dpboss Matka Guessing Kalyan Chart Indian Matka Kalyan panel Chart
Satta Matka Dpboss Matka Guessing Kalyan Chart Indian Matka Kalyan panel Chart
Unveiling the Dynamic Personalities, Key Dates, and Horoscope Insights: Gemin...
Unveiling the Dynamic Personalities, Key Dates, and Horoscope Insights: Gemin...
Projectors
- 3. CRT Projector A CRT projector is a video projector that uses a small, high-brightness cathode ray tube as the image generating element. The image is then focused and enlarged onto a screen using a lens kept in front of the CRT face.
- 4. LCD Projector An LCD projector is a type of video projector for displaying video, images or computer data on a screen or other flat surface.
- 5. DLP Projector Digital Light Processing is a type of projector technology that uses a digital micro mirror device.
- 6. Lumens (unit) A measure of the total amount of visible light emitted by a source.
- 7. Throw Throw is the distance of a movie projector from the screen
- 8. Lamp A lamp is in a projector and it produces the light for the image.