Electronic apparatus for "hands off" control of a voice mail system
CA 1317016 C · Owner: Dugdale, William P. · Inventors: Dugdale, William P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for "hands off" control of a Voice Mail System over a telephone line by a user to allow the user to simultaneously perform other functions such as manually processing the "oral mail" to take notes do data entry or the, like. The apparatus includes a foot pedal that is wired with switches. The foot pedal switches are connected through an interface circuit to a DTMF tone generator or a generator of digital signals corresponding to VMS functions. The interconnection is such that depending upon the pedal activated a different tone or digital signal will be generated. The user can readily reconnect the interface to vary the signal to pedal correspondence for changes in Voice Mail …
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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 April 27, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 27, 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.