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Expired Canadian patentCanada

Means for correlation of digital display of a setpoint and an actual controlled value

CA 1106511 A · Owner: Honeywell Inc. · Inventors: Pinckaers, B. Hubert

CIPO record

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Abstract From the Canadian patent

A condition control system utilizing a digital display arrangement is disclosed. The system provides for a digital input of the setpoint of the system and a digital, display to display the setpoint selected for the system. The system also measures the controlled condition and provides a digital display of the output. The system provides further that when the controlled condition is within a predetermined or preselected range of the setpoint condition that the digital display is caused to display the setpoint value even though it may be slightly different than the actual sensed value.

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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 August 4, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 4, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 2, 1979
GrantedAugust 4, 1981
Term endedAugust 4, 1998
Patent numberCA 1106511 A
Classification (IPC)G01K7/14 +2 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedJan 2, 1979Patent grantedAug 4, 1981Term endedAug 4, 1998

Sources & verification

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