Method of confirming user in modem communications and its system
CA 1286744 C · Owner: Nishino, Hiroshi · Inventors: Nishino, Hiroshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention offers a method and system for checking the legality of a user who is subscribed in a telephone system, for example. When a user wants to access an information system operated by the host computer of said telephone system e.g. a data-, base, the legality of the user whether he is really a, person who is registered in the host side is checked in, the host side before a line is established between the user and the host computer. In detail, the host side modem first checks the user who is then checked by the host side modem and the processing unit of the host side computer. Thereafter, mutual communications, between the user and the computer, are allowed. The system, …
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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 July 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 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.