Taking up fiber-optics
CA 1264467 C · Owner: Frisch Kabel- Und Verseilmaschinenbau Gmbh · Inventors: Meyer, Joachim; Duewelhenke, Rainer
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A light wave conductor or fiber optics is withdrawn from the peripheral groove of a rotating storage disc using a deflection pulley or the like rotating in a plane that runs tangential to a circle through the middle of the groove, a pivotal guide lever for the fiber conductor serves as input for speed control of the disc drive. In case of plural withdrawal equipment, the discs are vertically staggered and overlap. - 1 -
Read the whole patent
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 16, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 16, 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.