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Expired Canadian patentCanada

Color television tube with low power consumption deflector

CA 1310685 C · Owner: Videocolor · Inventors: Milili, Marc; Pieri, Roger

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

To make it possible to reduce the horizontal deflection energy needed by a trichromatic cathode tube deflector, the line coil is made in such a way that its ratio ? is about 670 microseconds. It can then be used with a tube having a 29 mm diameter neck and with a mounting designed for tubes having 22 mm diameter necks.

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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 November 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 24, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 29, 1988
GrantedNovember 24, 1992
Term endedNovember 24, 2009
Patent numberCA 1310685 C
Classification (IPC)H01J29/76

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedDec 29, 1988Patent grantedNov 24, 1992Term endedNov 24, 2009

Sources & verification

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