Terminal switching control apparatus
CA 1279736 C · Owner: Motegi, Chiaki · Inventors: Hosokawa, Chikara; Motegi, Chiaki; Ogawa, Fukushige
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A terminal switching control apparatus includes a controller. The controller responds to one of a record stop (RS) signal, a communication signal from a telephone, and a Facsimile communication end (FCE) signal from a facsimile to monitor a call detect (CCD) signal from a call detector. The controller determines whether the mode set by a mode setting section is a first mode or a second mode, in response to the CCD signal from the call detector. In the first mode, the controller responds to a CNG detect signal from a CNG detector within a first time period and outputs a switch control (SC) signal to a switch so as to couple a communication line to the facsimile, and then responds to the …
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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 January 29, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 29, 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.