Signal quality detector
CA 1051094 A · Owner: Motorola · Inventors: Stedman, Robert B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An FM radio receiver with a discriminator having the output connected to a first bandpass filter tuned to a fre-, quency above the audio but within the bandpass of the discriminator, and to a second bandpass filter tuned to a frequency above the audio, within the bandpass of the discriminator and adjacent the bandpass of the first filter with the outputs of the two bandpass filters connected to a selector circuit for selecting, as an indication of the strength of signals being received by the radio receiver the output having the lowest amplitude signal thereon.
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 March 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 20, 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.