Radio selective calling receiver
CA 2213047 A1 · Owner: Nasuda, Takaaki · Inventors: Nasuda, Takaaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A radio selective calling receiver which can prevent reliably a radio section from being affected by a noise generated in a boosting circuit during an infrared-ray communication, whereby a reception sensitivity in the radio section can be prevented from being degraded. The radio selective calling receiver has a memory 14 for storing reception information received by the radio section 2 and an infrared-ray data communication section 24 for outputting the reception information stored in the memory 14 to an external terminal by means of an infrared ray and for receiving infrared-ray data from the external data terminal so as to cause a first control means 4 to control the infrared-ray data …
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
- Filed August 14, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 14, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 14, 2019.
- 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.