Pulse signal output circuit
CA 2258939 C · Owner: Yamaguchi, Hiroshi · Inventors: Yamaguchi, Hiroshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An integrated circuit has a first circuit which receives an input signal and outputs a first output signal, wherein the first output signal is produced by changing the pulse width of the input signal a second circuit which receives , the, first output signal and outputs a second output signal wherein the second , output, signal is produced by delaying the first output signal and a control circuit. The, control circuit has a first control circuit which receives the first and second output, signals and controls the first circuit based on the first and second output signals, and a second control circuit which receives the first and second output signals and, controls the second based on …
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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
- Filed January 14, 1999 and granted October 22, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 14, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 14, 2021.
- 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.