3. • The first virtual keyboard was invented by IBM engineers in 1992.
• Virtual keyboard Is a flashlight-size gadget that projects an image of a
keyboard on surface.
• It uses sensor technology and artificial intelligence.
• The device detects movement of fingers,and make the proper key-
stroke
8. SENSE BOARD
.
Here the image is not projected on to any
surface.
Muscle movements in the palm are
sensed
.
Consists of two rubber pads that slips
onto user’s hand
9. SCURRY
.
Next generation glove like, wearable device
Operates computer by moving two hands in
empty air
Allows user to punch in letters without a
keyboard, scroll up and down and control a
cursor
11. ..
In Operation theatres
Fingerprint security
Used with smart phones,email,word processing,spreadsheets tasks
etc..
Gaming Control
Muscial applications
TV remote control
12. ADVANTAGES
M
33
Laser can be projected on any surface
High battery life
Plug and play device
No driver software necessary
The typing does not requires a lot of force
It can be useful in places like operation theatres where low noise is essential.
13. 19981A0533
.
VKB is hard to get used to
Typing in thin air requires a little practice
Projected keyboard should not be used in bright room
The devices are very costly
14. .
.
Easy to carry and store
Based on a true-3D optical range camera
Thus virtual keyboards will make typing easier, faster and almost a pleasure.
It uses 6th Sense Technology Device which does not depends on surface