Apparatus for detecting movement in a television signal
CA 1257690 A · Owner: Nec Corporation · Inventors: Suzuki, Norio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is disclosed a movement detecting apparatus for detecting a degree of movement contained in an input composite color television signal, comprising means for producing a frame difference signal between the input composite color television signal and a delayed composite color television signal means for, obtaining a high frequency brightness signal corresponding to the high frequency component of the brightness signal contained in the composite color television signal, and means for detecting the degree of movement in response to the frame difference signal and the high frequency brightness signal.
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 July 18, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 18, 2006.
- 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.