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Expired Canadian patentCanada

Solid state color camera

CA 1106965 A · Owner: Sony Corporation · Inventors: Yamazaki, Hiroshi; Yamanaka, Seisuke; Ochi, Shigeyuki

CIPO record

Overview

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

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Abstract From the Canadian patent

A solid state color camera having a charge coupled device (CCD) on which the image of an object to be picked up is projected. In the color camera the frequency of a clock signal, which is supplied to a horizontal shift register of the CCD chip for reading out a stored image signal therein, is so selected that the carrier frequency of a chroma signal, which is read out at the output terminal of the horizontal shift register coincides with the, color sub-carrier frequency (3.58MHz) of a standard color television signal (for example, NTSC color television signal) and, also the order for reading out image informations stored in image sensing elements of the CCD chip arranged in both the …

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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 11, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 11, 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.
FiledNovember 25, 1977
GrantedAugust 11, 1981
Term endedAugust 11, 1998
Patent numberCA 1106965 A
Classification (IPC)H04N9/04 +1 more

Timeline

Timeline From CIPO dates

1978198119841987199019931996Application filedNov 25, 1977Patent grantedAug 11, 1981Term endedAug 11, 1998

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