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Expired Canadian patentCanada

Time registration arrangement provided with a television camera

CA 1081843 A · Owner: N.V. Philips Gloeilampenfabrieken · Inventors: Jetten, Gerbrand

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Abstract From the Canadian patent

A time video registration, arrangement in which with the use of a, television camera, a storage device and a display device, each constructed in, accordance with a television standard time, measurements can be performed at intervals smaller than the standard field period. To that end the arrangement is provided with a signal generator for supplying a field synchronisationdeflection signal to the camera, which signal has a repetition period which is an integral part of the field period, whilst a video signal of standard field frequency is applied to the storage device. -19-

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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 July 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 15, 1997.
  • 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 10, 1976
GrantedJuly 15, 1980
Term endedJuly 15, 1997
Patent numberCA 1081843 A
Classification (IPC)H04N5/76 +1 more

Timeline

Timeline From CIPO dates

1977198019831986198919921995Application filedJune 10, 1976Patent grantedJuly 15, 1980Term endedJuly 15, 1997

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