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Expired Canadian patentCanada

Apparatus and method for determining a point in time for detecting a sampled signal in a receiver

CA 2121002 C · Owner: Motorola, Inc. · Inventors: Mueller, Bruce Dale; Baum, Kevin Lynn

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Abstract From the Canadian patent

In a receiver (101) that receives a signal (103) subsequent to transmission thereof by a transmitter on a communication channel, an apparatus and method for determining a point in time for detecting the signal, sampled at multiple points in time, to produce a detected signal (112). The communication channel is modeled, at the multiple points in time responsive, to the sampled signal (110) to produce signal and noise channel models (209) and (204), respectively. Signal and noise values (210) and (205) indicative of the quantity of signal and noise in the signal and noise channel models respectively, are, generated. A sampling point selector (203) selects from, among the multiple points 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

  • Filed April 11, 1994 and granted March 31, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 11, 2014.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 11, 2016.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 11, 1994
GrantedMarch 31, 1998
Term endedApril 11, 2014
Patent numberCA 2121002 C
Classification (IPC)H04B1/10

Timeline

Timeline From CIPO dates

1995199719992001200320052007200920112013Application filedApril 11, 1994Patent grantedMarch 31, 1998Term endedApril 11, 2014

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