Television receiver having a demodulator circuit for demodulating a television signal modulated on a carrier
CA 1091343 A · Owner: N.V. Philips Gloeilampenfabrieken · Inventors: Apeldoorn, Hans J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a television receiver comprising a synchronous demodulator having a push-pull output behind which an emitter-coupled transistor pair is connected for suppressing whiter-than-white noise signals a signal can, be obtained from the collector circuit of one of the transistors of the transistor pair by means of smoothing which smoothed signal is suitable for many purposes such as, for example, switching-off an automatic frequency control or a tuning indication or a tuning correction. -26 -
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, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 9, 1997.
- 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.