High speed video display system including zoom feature
CA 1106512 A · Owner: Stewart-Warner Corporation · Inventors: Slobodzian, Gregory E.; Fiedler, Wayne; Payne, Robert A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A high speed video display system suitable for use in operating video scoreboard displays is disclosed. Video data for a complete frame is converted from analog to digital format and is directly loaded into a display memory (RAM). The digitized data 18 then outputted via a display interface to the display board which may consist of variable intensity devices, such as, incandescent light bulbs. The system al-, though under computer control, does not include the computer in the data handling path thereby permitting increased data handling rates. The video converter for the system includes circuits for changing the display format to produce "zoom" enlargements and wide screen display suitable …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted August 4, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 4, 1998.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.