Dc voltage control circuits
CA 1208708 A · Owner: Nec Corporation · Inventors: Yoshida, Yasuharu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A DC voltage control circuit comprising DC superposing means for superposing a control signal an input signal; discriminating means for discriminating an output of the superposing means with a plurality of discriminating levels including a center level and for providing a regenerated output digital signal and an error digital signal; control signal generating means for providing control signal in response to the error digital signal and, limiter means for limiting the output of said discriminating means to be within a predetermined range which is less than a spacing between said discriminating level and the center level.
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 29, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 29, 2003.
- 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.