Reader/writer apparatus for optical memory card
CA 1281815 C · Owner: Csk Corporation · Inventors: Takahashi, Shunzo; Suzuki, Hidefumi; Hamasaki, Yukio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A reader/writer apparatus for an optical memory card for reading and/or writing data with respect to the optical memory card having a data storing face which, apparatus comprises a card holder including a carriage carrying and holding the card inserted and transporting the card to a reading or writing position and a feeding mechanism for driving the carriage. The reader/writer of the present invention may further comprise an optical waveguide holder holding an optical waveguide, which is connected, at a base end thereof, to the light emitting and receiving section of a reading head, so that another end of the optical waveguide may oppose a data recording face of the optical memory card. The …
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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 March 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 19, 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
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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.