Screen display device

Details Screen display device Screen display device

1995-12-14

1998-03-17

Hjerpe, Richard

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345508, 348584, G09G 500

Patent

active

057292477

ABSTRACT:
A screen display device includes a first superimposing circuit for superimposing a first additional signal representing a first information such as characters and patterns stored in a character ROM on a composite video signal off the vertical blanking period thereof, and a second superimposing circuit for superimposing a second additional signal representing a second information such as service data stored in a data RAM or a data ROM on the composite video signal during the vertical blanking period thereof, so as to output two kinds of superimposition composite video signals to the single kind of composite video signal.

REFERENCES:
patent: 4496976 (1985-01-01), Swanson et al.
patent: 5008750 (1991-04-01), Gomikawa
patent: 5012342 (1991-04-01), Olsen et al.
patent: 5469224 (1995-11-01), Her
patent: 5559554 (1996-09-01), Uekane et al.

Affiliated with

Also associated with

Rating

Screen 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 Screen display device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Screen display device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-961978