Response system of a terminal to an incoming call
CA 1288153 C · Owner: Hirata, Hideyuki · Inventors: Murata, Hatsuho; Hirata, Hideyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A problem with communication terminal response systems in general is that, should a particular one of multiple terminals always return a connect request message before the others all, incoming calls would arrive at that particular terminal and there-, fore, a calling user would be incapable of communicating with a desired terminal even though it might repeat origination of a call a number of times. The system of the present invention causes a calling party number and attribute values of a call of the instant when a communication was unsuccessful to be stored in a terminal and, when a message which arrives thereafter is identical in content with the stored one, delays the return of a connect …
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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 August 27, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 27, 2008.
- 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.