Method of manufacturing a deflection unit for a cathode ray tube
CA 1300217 C · Owner: N.V. Philips' Gloeilampenfabrieken · Inventors: Van De Meerakker, Jacobus Johannes Maria
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
PHN 11.835 11 03-11-1986, ABSTRACT:, "Method of manufacturing a deflection unit for a cathode ray tube", Method of manufacturing an electromagnetic deflection unit for a cathode ray tube which unit comprises, a field deflection coil consisting of two parts a line, deflection coil consisting of two parts and an annular core of a magnetizable material surrounding the two coils whilst, the two parts of the field deflection coil are wound in a funnel-shaped coil support. After the field deflection coil parts are wound, a hollow, funnel-shaped line deflection coil support which is provided with an annular flange at its wide end is passed into the coil support to such an extent that its narrow …
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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 May 5, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 5, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.