Control device for radio communication apparatus
CA 2038645 C · Owner: Nonami, Takayuki · Inventors: Nonami, Takayuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed herein is a control device which is suitable for use in a radio communication apparatus employed in a radio communication system using a TDMA method. A timer circuit for circulating a counted value in a period corresponding to a period of time required to transmit a TDMA frame supplies the counted value to a strobe signal generating circuit. The strobe signal generating circuit supplies a strobe signal to a radio unit of the radio communication apparatus when a preset value coincides with the counted value of the timer circuit. Thus, since the strobe signal is generated without the intervention by a control circuit made up of a CPU or the like it can be, outputted in strict …
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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 March 19, 1991 and granted March 1, 1994. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 19, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 19, 2013.
- 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.