Digital limiting circuit
CA 1281384 C · Owner: Ohta, Yoshiyuki · Inventors: Kihara, Taku; Ohta, Yoshiyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A digital limiter for limiting the amplitude of a digital video sigal in which the first and last of data which exceed the range between lower and upper limit levels are replaced respectively with an average value of the data preceding the first over data and the upper or lower limit level data and an average value of data following the last over data and the upper or lower limit level data to thereby enable a good soft-limit operation without damaging the linearity of the video 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 March 12, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 12, 2008.
- 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.