Multiplexer
CA 1266535 C · Owner: Sasaki, Katsuhiro · Inventors: Sasaki, Katsuhiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A multiplexer includes first and second frequency dividers and first and second selectors. The first frequency divider receives a clock signal which determines a multiplexing time slot and outputs a first signal every M (M ? 2) time slots. The second frequency divider receives the first signal from said first frequency divider and outputs N (N ? 1) second signals having different phases. The first selector converts N insertion codes such as a frame synchronization code and a service code into one code signal train on the basis of the second signals. The second selector receives a digital data signal train having an alternate repetition of a digital data signal using (M - 1) continuous time …
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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 March 6, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 6, 2007.
- 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.