Automatic multi-system am stereo receiver using existing single-system am stereo decoder ic
CA 1237478 A · Owner: Kahn, Leonard R. · Inventors: Kahn, Leonard R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is an AM stereo receiver capable of receiving signals representing at least two different types of AM stereo systems, but using an integrated circuit (IC) decoder designed to properly decode received signals representing only one of the two types of systems. The receiver includes circuitry coupled to the IC which adapts the IC for also properly decoding received signals representing the second type of AM stereo system as well. Circuitry is also disclosed for automatically detecting which type of AM stereo system is being received and for configuring the receiver's decoding circuits to properly decode the received stereo signals. -1-
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
- Granted May 31, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 31, 2005.
- 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.