Synchronisation arrangements for a digital telecommunications exchange system
CA 1287150 C · Owner: Chopping, Geoffrey · Inventors: Chopping, Geoffrey; Maric, Milan Z.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The synchronisation arrangement includes a waveform and synchronisation information generator to supply synchronisation information for transmission with a data stream over digital switching networks. The synchronisation information includes two different patterns, phased displaced with respect to each other. Interfaces connect peripheral devices to the networks and are adapted to detect and validate the synchronisation information. The checks made are in respect of detecting both patterns the amount of, phase displacement, and the correct sequence. If the synchronisation information is invalid, the detecting interface selects a data stream from another network exclusively for use by the …
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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 July 30, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 30, 2008.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.