Automatic level adjusting system for a television receiver
CA 1305789 C · Owner: Suzuki, Masakazu · Inventors: Saito, Junya; Yamamoto, Yoshihiro; Suzuki, Masakazu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An automatic level adjusting system for a television receiver which is suitable as its automatic white balance adjusting circuit. In the manufacturingprocess of the television receiver, desired data is selected from a positional data group of black or white reference pulse signal to be inserted into a video signal and is stored in a non-volatile memory whereby, when an image is reproduced, black or white level of the video signal is adjusted automatically on the basis of the data stored in the non-volatile memory. Thus the, insertion position of black or white reference pulse signal can be changed without modifying the hardware of the television receiver so that the automatic level …
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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 July 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 28, 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
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.