A virtual keyboard uses a pattern projector, sensor module, and infrared light to project a keyboard onto any surface. It tracks the user's finger movements in 3D to register keystrokes without requiring much force. While costly and requiring an adjustment period, virtual keyboards offer advantages like being compact and usable in environments where noise needs to be minimized. They could potentially make typing easier and faster.

1. VIRTUAL
KEYBOARD

2. TOPICS :-  INTRODUCTION
 VIRTUAL KEYBOARD
TECHNOLOGY
 APPLICATIONS
 ADVANTAGES
 DRAWBACKS
 CONCLUSIONS

3. INTRODUCTION
 TOUCH TYPING DEVICE
 COMPACT AND FASTER
 THE FIRST VIRTUAL KEYBOARD WAS
INVENTED BY IBM ENGINEERS
 FINGER TRACKING BASED INTERFACE
 WORKS ON ANY SURFACE

6. VIRTUAL KEYBOARD TECHNOLOGY
THE SYSTEM COMPRISES
OF THREE MODULES :- *PATTERN PROJECTOR
*SENSOR MODULE
*IR LIGHT

7. PATTERN PROJECTOR
 THE PATTERN PROJECTOR OR OPTIACAL
PRINTED IMAGE PRESENTS THE IMAGE OF
KEYBOARD.

8. SENSOR MODULE
 THE SENSOR MODULE OPERATES BY
LOCATING THE USERS FINGERS IN 3-D SHAPE
AND TRACKING THE KEYSTROKES

9. IR LIGHT
 A PLAIN OF INFRARED LIGHT IS PROJECTED
ABOVE THE VIRTUAL KEYBOARD

11. APPLICATIONS
 IN OPERATIONS THEATRES
 IN HIGHTECH AND INDUSTRIAL
SECTORS.
 USED WITH SMART PHONES
 GAMING CONTROL

12. ADVANTAGES
 LASER CAN BE PROJECTED ON ANY
SURFACE OR EVEN ON THE AIR
 USED WHERE LOW NOISE IS ESSENTIAL
 TYPING DOES NOT REQUIRES A LOT OF
FORCE
 HIGH BATTERY LIFE

13. DRAWBACKS
 THE DEVICES ARE VERY COSTLY
 VKB IS HARD TO GET USED TO
 TYPING IN THIN AIR REQUIRES A LITTLE
PRACTISE
 PROJECTED KEYBOARD SHOULD NOT
BE USED IN BRIGHT ROOM

14. CONCLUSION
 EASY TO CARRY AND STORE
 THUS VIRTUAL KEYBOARDS WILL MAKE
TYPING EASIER , FASTER .

16. PRESENTED BY :-
NITHIN
GREENLAND