Time base error corrector
CA 1309494 C · Owner: Suzuki, Yoshinori · Inventors: Tatami, Mitsushige; Sakura, Yasuo; Suzuki, Yoshinori
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A time base error corrector comprises a chrominance subcarrier phase corrector whereby the subcarrier phase of a video signal is controlled before being written in the buffer memory in such a way that when the video signal is read from the buffer memory on the basis of the reference video signal the subcarrier, phase of the read video signal may match that of the reference video signal. In NTSC system the succeeding, line odd/even identification is predicted on the basis of a content O/E of the preceding field identification and a content O/E of the preceding field top line identification, and a non-inverted return subcarrier signal is generated when the succeeding top line identification …
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 October 27, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 27, 2009.
- 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.