Apparatus for cancelling carrier phase jitters
CA 1318360 C · Owner: Yoshida, Atsushi · Inventors: Yoshida, Atsushi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A jitter cancelling apparatus include a carrier phase locked loop comprising first phase rotator for producing a first phase-rotated signal by effecting a first phase rotation of a received signal, using a first phase control signal; first phase detecting means for detecting a phase of the first phase-rotated signal and producing a first detected phase signal; and control means having a time constant for processing the first detected phase signal, to obtain the first phase control signal. A predictive jitter canceller comprises second phase rotator for producing a second phase-rotated signal by effecting a second phase rotation of the first phase-rotated signal using a second control …
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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
- Granted May 25, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 25, 2010.
- 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.