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Canadian application, no grantCanada

Hand held computer input apparatus and method

CA 2120502 A1 · Owner: Bally, Alex · Inventors: Richter, John M.; Copper, John M.; Bally, Alex

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 method and system for generating command signals for a computer monitor or other equipment. The system includes at least one pressure responsive potentiometer (15) and a device (22) operatively connected with such potentiometer for generating a command signal indicating at least one of the direction intensity and, duration of pressure applied to such potentiometer. The method remotely controls a function of a computer monitor or other equipment in response to signals obtained from pressure sensitive potentiometer manipulated by a user. The method includes the steps of periodically iterating to detect signals present on such pressure sensitive potentiometer, comparing the signals detected …

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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 October 1, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 1, 2012.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 1, 2014.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 1, 1992
GrantedNo grant recorded
Term endedOctober 1, 2012
Patent numberCA 2120502 A1
Classification (IPC)G06F3/03

Timeline

Timeline From CIPO dates

1993199519971999200120032005200720092011Application filedOct 1, 1992Term endedOct 1, 2012

Sources & verification

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