The document describes the Five Pen PC technology, a system that utilizes five interconnected pens to create a complete computer setup, including a CPU pen, LED projector, virtual keyboard, camera, and communication device. Designed by Toru Ichhihashi and first showcased in 2003, this innovative technology offers advantages such as portability and wireless functionality, but also presents challenges like cost and unclear feasibility. Key features include a dual-core processor, laser-based virtual keyboard, and substantial data storage capacity.

1. FIVE PEN PC TECHNOLOGY
Supervisor Name: Prof. Arup Kumar Chatterjee
Student’s Name: Rahul Mukherjee
Student’s Department:Information Technology
Student’s Roll No. :42
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2. •Introduction
•History
•Working principle
•Functions
CPU PEN
LED PROJECTOR
VIRTUAL KEYBOARD
CAMERA
COMMUNICATION
•Storage and backup
•Battery
•Advantages
•Disadvantages
•References
•Conclusion
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3.  On the way of computer
evolution…
ENIAC, 1943
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4. Only 5 pen will be enough to present a entire
computer setup…
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5.  Toru Ichhihashi –the designer of pen pc.
 P-ISM(Pen style personal networking
gadget) System created in 2003,by tokyo based
japanese technology company NEC and first
featured at 2003 ITU telecom world held in
Geneva,switzerland.
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 The entire job of a pc is distrubuted here among 5 different pens.
They are connected to each other via Bluetooth.
 Exchange signals via Bluetooth connection.
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7. The functionality of the cpu pen is done by one of the pen. It
is the computing engine.
Dual core processor is used.
Works with Windows Operatying System.
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8.  The role of monitor is taken by LED
Projector which projects on the screen.
The size of the projector is of A4 size.
It has the approximate resolution
capacity of 1024 X 768. Thus it is gives
more clarity and good picture.
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9.  Based on Electronic perception
technology.
 The VKB emits laser on to the desk
where it looks like the keyboard having
QWERTY arrangement of keys i.e., it
uses a laser beam to generate a full-size
perfectly operating laser keyboard.
It uses IR sensor and camera as well
to analyse a keystroke.
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10. Digital camera in the shape of
a pen.
Useful in video
recording,video conferencing.
It is 360 degree visual
communication device.
Also known as webcam.
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11.  One of the pen connects the whole
device to Internet. It plays as a phone.
 This connectivity is done through
cellular phone function.
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12.  Capable of storing several terabytes of data.
 A watch fitted with holographic
storage unit will backup your data.
 Wireless bluetooth technology
transfers data from pen pc to your
watch.
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 The type of battery used here is lithium ion battery.
The use of lithium ion battery in this gadget will
reduce energy density, durability and cost factor.
 Battery life for normal use is 2 week.
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 Portable.
 Wireless.
Security.
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 Still unclear and in abstract level.
Cost.
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1. http://mosaic.cnfolio.com/B101CW2010Article154
2. http://telecomworld.itu.int/
3. http://www.pcmag.com/encyclopedia/term/45467/ism-band
4. http://www.wired.com/2010/09/wireless-explainer/

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