Circuit for use either as a serial-parallel converter and multiplexer or a parallel-serial converter and demultiplexer in digital transmission systems
CA 1136281 A · Owner: Roche, Alain · Inventors: Roche, Alain
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved circuit for converting serial mode channel data from a plurality of primary digital multiplex highways into parallel mode channel data and for multiplexing the parallel mode channel data to form a super-multiplexing highway comprising in each time slot as many parallel mode channel data as primary digital multiplex highways. The circuit possesses channel data arranged in 8-bit words the 8-bit, words being received from eight primary digital multiplex highways having their respective frames synchronized.
Read the whole patent
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 23, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 23, 1999.
- 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.