Digital time division multiplex systems and method of controlling same
CA 1292333 C · Owner: Mitsubishi Denki Kabushiki Kaisha · Inventors: Shimada, Masayoshi; Ohshima, Kazuyoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A time division multiplex system adaptable for branching services, which includes a predetermined level code generator for generating a signal of the same level and a switching unit for switching between the predetermined level signal and a signal to be multiplexed. The channel bit group number allotted to each channel is changed with time. For signals of transmission speeds above 64 Kb/s a, plurality of time slots are used to form a single channel to thereby accommodate branching services in octet units.
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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 November 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 19, 2008.
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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.