Wireless stereo audio/video signal transmitter and receiver system apparatus with remote control extender capability
CA 2033835 A1 · Owner: Rogalski, Gary · Inventors: Wubs, Leonard; Rogalski, Gary; Douglas, Keith
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wireless stereo audio/video signal transmitter and receiver system apparatus with remote control extender capability capable of accepting external baseband stereo audio and video signal inputs. A transmitter FM modulates a stereo audio/video signal which is transmitted on an RF carrier to one or more remote receivers which regenerate the original stereo audio/video signal providing both baseband stereo audio and video signal outputs as well as a mono audio/video signal output modulated at a particular television channel. A handheld RF remote control transmitter serves to permit the remote operation of the source of the external stereo audio/video signal by transmitting an RF remote …
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 9, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 9, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 9, 2013.
- 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.