Apparatus for controlling a television receiver
CA 2017876 C · Owner: Beery, Jack · Inventors: Beery, Jack
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A television control system is for selecting a television channel corresponding to a preassigned channel tuning designation. A tuner (18) receives mufti-channel input signal (20), and in response to a processor signal tunes out all but, one selected channel. A memory (28) stares at least one operator-assigned channel select designation for the channel tuning designations. An operator-actuated control means (26) generates a first data signal representative of a desired channel select designation for one of the channel tuning designations and a second data signal representative of a desired viewing channel identified by one of the channel select designations. A processor (30) receives the …
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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
- Filed May 30, 1990 and granted July 25, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 30, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 30, 2012.
- 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.