Optical-disc apparatus
CA 1194232 A · Owner: N.V. Philips Gloeilampenfabrieken · Inventors: Camerik, Eduard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
16, ABSTRACT:, Optical-disc apparatus. The invention relates to optical-disk apparatus for playing back and/or recording information on rotary optical discs (7), which apparatus comprises a clamping device which clamps an optical disc on a spindle (14). The clamping device comprises a disc loader (21) which moves with clearance in a support (2) which moves between the rest position and an operating position which disc, loader clamps the disc magnetically onto the spindle by means of permanent-magnetic means. To prevent the disc loader rattling or taking up an oblique position in the support when the support is not in its operating position the permanent-magnetic means comprise means (35A B) …
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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 September 24, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 24, 2002.
- 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.