Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Patent
1995-12-15
1998-10-06
Luu, Matthew
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
345182, 345183, 178 18, G09G 508
Patent
active
058184210
ABSTRACT:
A large screen display comprising an image signal source such as a computer, an original image generator, a light-transmission screen, an on-screen pointing-position detecting means, and a light-pen built in an infra-red-ray emitting modulating means, wherein infra-red rays which are modulated by pressing force generated when the light-pen is pressed against the screen by an operator are emitted and the infrared rays are detected and amplified by an infrared-ray detector and demodulated by a demodulating means and then inputted to the image signal source, so that the tone and thickness of each stroke of a figure to be drawn and displayed can be displayed.
REFERENCES:
patent: 4814552 (1989-03-01), Stefik et al.
patent: 5525981 (1996-06-01), Abernethy
Fuma Hideyuki
Ichikawa Kousyu
Iwamoto Tetsuo
Ogino Masanori
Tanaka Keiichiro
Hitachi , Ltd.
Luu Matthew
LandOfFree
Input interface apparatus for large screen display does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Input interface apparatus for large screen display, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Input interface apparatus for large screen display will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-83489