Apparatus equipped with an optical keyboard and optical...

Details Apparatus equipped with an optical keyboard and optical... Apparatus equipped with an optical keyboard and optical...

2003-08-08

2009-08-11

Nguyen, Chanh (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Including keyboard

C345S168000

Reexamination Certificate

active

07573463

ABSTRACT:
An apparatus includes an optical keyboard and an optical input device controlled by a moving object. The input device has at least one diode laser and photo diode for supplying at least one measuring beam to a device window and for receiving radiation reflected by the object placed on the window. The input device may be integrated in the keyboard such that the measuring beam is guided via the positions of the keys to the window.

REFERENCES:
patent: RE33422 (1990-11-01), Garcia, Jr.
patent: 6424407 (2002-07-01), Kinrot et al.
patent: 6525677 (2003-02-01), Printzis
patent: 6552713 (2003-04-01), Van Brocklin et al.
patent: 2002/0104957 (2002-08-01), Liess et al.
patent: 02/37411 (2002-05-01), None
patent: WO0237410 (2002-05-01), None
patent: WO 03/098527 (2003-05-01), None
patent: WO03098527 (2003-11-01), None

Affiliated with

Also associated with

Rating

Apparatus equipped with an optical keyboard and optical... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus equipped with an optical keyboard and optical..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus equipped with an optical keyboard and optical... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4060682