Radio communication system
CA 1313398 C · Owner: Seiko Instruments Inc. · Inventors: Oka, Tomohiko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A radio communication system comprises a hand held terminal and a base station communicating with the hand held terminal by two-way radio data transmission. The hand held terminal is set with a system ID number by a signal representing the system ID number sent from the base station through radio data transmission. The hand held terminal comprises input means for inputting a code requesting a system ID number of the base station; means for holding the system ID number sent from the base station; and control means for judging the inputted system ID number, constructing system ID number request data, transmitting the request data to the base station and setting a system, ID number transmitted …
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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
- Granted February 2, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 2, 2010.
- 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.