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Canadian application, no grantCanada

Method and circuit for decoding a manchester code signal

CA 2064240 A1 · Owner: Sf2 Corporation · Inventors: Johnson, Hoke S. Iii

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A circuit for decoding a high speed Manchester encoded digital communication signal is provided. The circuit includes a pair of latch circuits which are used to detect clock edges in the encoded signal for providing respectively set and reset pulses to a third latch circuit, an output of which comprises the decoded data of the Manchester code signal. Additional logic is provided to extract a clock signal from the Manchester code signal.

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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

  • Filed June 26, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 26, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 26, 2012.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 26, 1990
GrantedNo grant recorded
Term endedJune 26, 2010
Patent numberCA 2064240 A1
Classification (IPC)H03M5/12

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedJune 26, 1990Term endedJune 26, 2010

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.