Image signal coding apparatus
CA 1296798 C · Owner: Hisada, Katsutoshi · Inventors: Hisada, Katsutoshi; Kokubu, Nobuaki; Murata, Yukio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An image signal coding apparatus includes reference and coding line change point detection circuits, reference line shift registers a coding line, shift register, a symbol detection circuit coding and, reference line ROM tables, and a code determination circuit. The coding line change point detection circuit receives a serial reference line image signal in synchronism with a serial coding line image signal. The reference line shift registers receive serial change point data in the reference line image signal and output parallel reference line change point data. The coding line shift register receives serial change point data in the coding line image signal and outputs parallel coding line …
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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 March 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 2009.
- 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
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.