Recording and/or reproducing apparatus for flexible magnetic disks
CA 1265243 C · Owner: Sony Corporation · Inventors: Kadonaga, Akira; Masaki, Hiroshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is concerned with a recording and/or reproducing apparatus for a flexible magnetic disk wherein, the apparatus includes a cassette holder in which there is inserted and held a disk casssette consisting of a cassette half rotatably accommodating a magnetic disk a rotational, driving device for rotationally driving the magnetic disk in the cassette half, elements for raising and lowering the cassette holder relative to the rotational driving device and a head unit, which head unit has a pair of supporting arms movable between the inner and outer peripheries of the magnetic disk chucked to the rotational driving device and provided at their distal ends with magnetic heads and/or …
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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 30, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 30, 2007.
- 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.