Receiver for multicarrier signals protected from unwanted signals
CA 1215127 A · Owner: Thomson-Csf · Inventors: Pontif, Marc; Collin, Claude; Carpe, Michel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a multicarrier signal receiver protected against unwanted signals Between the high frequency circuit and the intermediate frequency circuit, it has a frequencyselective attenuation and preselection circuit whilst a circuit for detecting the disturbed channels is coupled to the demodulation circuit and supplies control signals characteristic of the appearance and disappearance of the unwanted signals. The receiver also comprises a control circuit eliminating the disturbed channel for processing demodulated signals and for the automatic control of the intermediate frequency amplifier circuit, and controlling the attenuation of the disturbed channel in the selective …
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 December 9, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 9, 2003.
- 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.