Terminal arrangement for a duplex transmission system
CA 1194138 A · Owner: N.V. Philips Gloeilampenfabrieken · Inventors: Korevaar, Geerlof J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Terminal arrangement for a duplex transmission system". Terminal arrangement for a duplex transmission system for digital signals, comprising an equalizer for reception and an equalizer for transmission. In order to realise a terminal arrangement which automatically adapts itself to the transmission path the terminal arrangement comprises an adaptive quantized feedback equalizer (ER) for reception and a pulse-shaping equalizer for transmission (ET) and a converter arrangement (OM) for converting the coefficients (C1 C2, ...), from the equalizer for reception into the correction factors ( ? 1, ...) for the equalizer for transmission. Use : digital subscriber lines.
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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.