Radio paging receiver capable of displaying a predetermined message
CA 2065750 C · Owner: Nec Corporation · Inventors: Tani, Hiroaki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a radio paging receiver, a CPU selects (SA3) from call signals a specific call signal specific to the receiver and from message signals a specific message signal that follows the specific call signal and represents a specific message, which is displayed (SA23) on a display. The CPU judges (SA20) whether or not the specific message is identical with a predetermined message. An EEPROM memorizes (SA21) an inhibit signal when the specific message is identical with the predetermined message. The CPU puts (SA23-SA25) the receiver out of operation when the EEPROM memorizes the inhibit signal. The CPU makes (SA23) the display display the predetermined message when the EEPROM memorizes the …
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 April 10, 1992 and granted February 25, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 10, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 10, 2014.
- 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.