Clock supply apparatus
CA 2235252 C · Owner: Nara, Yoshikazu · Inventors: Nara, Yoshikazu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A clock supply apparatus includes a low-rate source clock generating unit for generating a low-rate source clock signal, a frequency multiplication/division unit for performing frequency multiplication/division processing for the low-rate source clock signal to generate a high-rate clock signal to be utilized in signal processing only during a period in which a sleep signal remains nonactive, a sleep time measuring unit for measuring a sleep time duration from the moment the sleep signal becomes active and issuing a sleep end signal upon measurement of a predetermined time period and a sleep, control unit for controlling sleep or non-sleep mode of the signal processing block. The sleep …
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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 April 21, 1998 and granted June 6, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 21, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 21, 2020.
- 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.