Magnetic recording apparatus with a plurality of signal receiving devices
CA 1062805 A · Owner: Sony Corporation · Inventors: Yamamoto, Harunori
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus that includes a magnetic tape recorder is also provided with FM and AM radio signal tuners and a TV audio signal tuner. The signals received by any of these tuners can be either recorded or monitored independently However, when an FM signal is being recorded in the magnetic tape recorder, the apparatus is so constructed that a TV signal cannot be monitored by the TV signal tuner. Conversely, when a TV signal is being recorded the FM tuner, cannot monitor an FM signal. When an AM signal is being recorded, either an FM or a TV signal can be monitored and conversely, when either an FM or a TV signal is being recorded, an AM signal can be monitored.
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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 September 18, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 18, 1996.
- 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.