Vibration damping means for tension mask cathode ray tubes
CA 1279362 C · Owner: Desmares, Peter C. · Inventors: Desmares, Peter C.; Adler, Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cathode ray tube which includes a faceplate having on its inner surface a centrally disposed phosphor screen, and a flat color selection electrode supported in tension, spaced from the screen. The electrode has a central apertured portion and a peripheral portion, and is susceptible to vibration. A vibration damping system is located on the peripheral portion of the electrode for damping vibrations in the electrode.
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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 January 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 22, 2008.
- 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.