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Expired Canadian patentCanada

Centering circuit for a television deflection system

CA 1058316 A · Owner: Rca Corporation · Inventors: Dietz, Wolfgang F.W.

CIPO record

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

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Abstract From the Canadian patent

Abstract of the Disclosure, A centering circuit comprising a non-symmetrical conduction network and an integrating inductor in series combination is coupled to a deflection system between the junction of the S-shaping capacitor and the deflection windings and the junction of a winding of the high voltage transformer and its associated coupling capacitor these, junction points providing a relatively small but adequate voltage difference to energlze the centering circuit with minimum deflection system power dissipation. The nonsymmetrical conduction network comprises two oppositely poled diodes and a potentiometer. The adjustment of the potentiometer provides for a change of the magnitude and …

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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 10, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 10, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJuly 10, 1979
Term endedJuly 10, 1996
Patent numberCA 1058316 A
Classification (IPC)H04N3/22 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedJuly 10, 1979Term endedJuly 10, 1996

Sources & verification

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