Programmable control method and device for a recording apparatus
CA 2243848 A1 · Owner: Bertrand, Philippe · Inventors: Parot, David; Bertrand, Philippe
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A programmable recording apparatus control device comprising a first system (1) located at the transmitter station and provided with a binary encoding means (3) for generating a bit stream that comprises a control code for a recording apparatus a means for modulating the generated code (3) an interface (4) for inputting the generated code into the transmission device used prior to transmission and a second system (2) located at the receiver station and provided with a code recognition system (9) that separates the code signal from the sound signal and an interface (9) for transmitting the code to the recording apparatus.
Read the whole patent
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 January 29, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 29, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 29, 2019.
- 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.