Transceiver arrangement for full-duplex data transmission comprising an echo canceller and provisions for testing the arrangement
CA 1322237 C · Owner: Wouda, Kornelis Jan · Inventors: Wouda, Kornelis Jan; Tol, Simon Johannes Maria
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
PHE87.005 27.11.1987, ABSTRACT, Transceiver arrangement for full-duplex data transmission comprising an echo canceller and provisions for testing the arrangement. A transceiver arrangement for full-duplex data transmission over a two-wire circuit (6) comprises a transmitter part (1-4), a receiver part (7, 8, 11 - 15) a hybrid junction, (5) to interconnect the transmitter and receiver parts and the twowire circuit (6), and an echo canceller 9 whose input is connected to the transmitter part and whose output is connected to the receiver part, the arrangement further comprising switching means (S1) enabled in a test mode for disconnecting the receiver part (7, B, 11 - 1 5 ) from the two-wire …
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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 14, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 14, 2010.
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