System for tele-locating regenerative repeaters
CA 1194174 A · Owner: Lucent Technologies Inc. · Inventors: Jeandot, Jean-Louis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
19, ABSTRACT:, A transmission path between two terminal stations for transmitting digital information signals at a predetermined rate in one direction via a forward path and in the other direction via a return path comprises regenerative transmitting tele-location commands to the repeaters via the forward path, cattier signals of the rate being on-off modulated in this transmitter by means of an amplitude modulator in accordance with output signals of a command sequence generator, and further comprises in every repeater a loop circuit between forward and return paths having an associated control circuit which cooperates with a detector for the presence of carrier signals in the return path …
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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 September 24, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 24, 2002.
- 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.