3. TOUCH SCREEN TECHNOLOGY
Touch screen technology is the direct
manipulation type gesture based technology1
Direct manipulation is the ability to manipulate
Digital screen inside a screen.
2
This technology mostly used in computrs ,user
interactive machines,smartphones.3
The three most common tehnologies
Are there
4
4. APPLICATION OF TOUCH SCREEN TECHNOLOGY
Touch screen is one of the simplest
pc interfaces to use.1
It is useful for easily acessing the
Information by simply toching the
screen
2
It is useful for industrial process
control
To home automation.
3
It is control the electrical appliances at
home
Using touch screen technology.
4
By simply touching the screen and with
Graphical interface everyone can
monitor
5
5. Uses of touch screen
2
Navigate
interactive
menus
1
It
commonly
used in
mobiles
3
Execute
touch
registratin
4
Display
content on
touch
video wall
5
Engage the
audience
with touch.
7. DISADANTAGES
Within arms reach of the
device5
Very low battery life
4
3 Very difficult to read the
screen.
2 They usually cost more.
1 The screen will get dirty.
9. Types of touch screen technology
Resistive
Resistive touch screen is composed of a flexible
Top layer made of polythene.
capacitive
A capacitive touch screen panel is coated with
material that stores electrical charges.
Infrared
In infrared touch screen technology ,an array of
X and Y axis is fitted with pairs of IR leds .
Surface acoustic
wave
It contains two transducers placed along X and
Y axis of the monitors glass plate .
