Coloringbook, a solid state display device

Details Coloringbook, a solid state display device Coloringbook, a solid state display device

1975-04-02

1976-01-13

Trafton, David L.

Communications: electrical

Systems

Portable self-contained

178 18, 250553, 307311, 313500, 340166EL, 340337, 340365P, 357 17, 357 19, 357 30, 357 32, G06F 314

Patent

active

039328627

ABSTRACT:
A two-dimensional matrix of semiconductors is arranged in ordered array as a flat, light emitting and light sensing device for input and read-out of information from a computer. A penlight is used to activate the light sensing semiconductors to achieve a graphical input. Operation of the device can be either incremental or random.

REFERENCES:
patent: 2553245 (1951-05-01), Espenschied
patent: 2920232 (1960-01-01), Evans
patent: 2932770 (1960-04-01), Livingston
patent: 3149311 (1964-09-01), Hyman et al.
patent: 3201764 (1965-08-01), Parker
patent: 3340401 (1967-09-01), Young
patent: 3443332 (1969-05-01), Christy
patent: 3479517 (1969-11-01), Bray et al.
patent: 3505527 (1970-04-01), Slana
patent: 3539995 (1970-11-01), Brandt

Affiliated with

Also associated with

Rating

Coloringbook, a solid state display device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Coloringbook, a solid state display device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Coloringbook, a solid state display device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-749859