Space diversity system in pcm-tdma telecommunication system using stationary communication satellite
CA 1059215 A · Owner: Saito, Hideki · Inventors: Ogawa, Akira; Kokusai Denshin Denwa Kabushiki Kaisha; Watanabe, Tatsuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A space diversity in a PCM-TDMA telecommunication system using a stationary communication satellite in which fixed, delay circuits are respectively inserted in the sending side and the receiving side of one route at a control equipment while variable delay circuits are inserted in the sending side and the receiving side of the other route at the control equip ment, so that electrical length of one route from the satellite to the control equipment may be the same as that of the other route from the satellite to the control equipment through the route including connection links between the two sites. The diversity switching can be performed with no duplication and lack of signals in …
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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 24, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 24, 1996.
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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.