System for and method of multiplexing speech signals utilizing priority signals for individual transmission channels
CA 1311316 C · Owner: Hitachi, Ltd. · Inventors: Suzuki, Toshiro; Kondo, Kazuhiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system for and a method of multiplexing digital speech signals corresponding to speech signals inputted from a plurality of terminals the digital, speech signals including a plurality of speech unit signals, in which a weighted priority signal is produced for the speech unit signal of each of the speech signals from the terminals, an assignment signal is produced from the priority signals indicative of which of the speech unit signals be selected for transmission in the form of a train of multiplexed speech unit signals in a cyclic transmission period of time, so that the speech unit signals are multiplexed on the basis of the assignment signal.
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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 December 8, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 8, 2009.
- 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
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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.