Circuit and method for determining received signal
CA 2241379 C · Owner: Samsung Electronics Co. Ltd. · Inventors: Lee, Myeong-Hwan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Circuit and method for determining a received signal for a receiver such as a simulcast receiver or an HDTV receiver are provided. The circuit includes a first detector for detecting a first reference signal included in a received signal and outputting a first detection signal, a second detector for detecting a second reference signal included in the received signal and outputting a second detection signal, and a generator for generating a determination signal which indicates that the received signal is an analog broadcasting signal if the first detection signal is, detected and indicates that the received signal is a high definition signal if the, second detection signal is detected. …
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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
- Filed June 22, 1998 and granted November 6, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 22, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 22, 2020.
- 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.