Mounting of pickup stylus
CA 1069057 A · Owner: Akg Akustische U. Kino-Gerate Gesellschaft M.B.H. · Inventors: Fidi, Werner
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sound pickup, for tracking mechanically modulated grooves in a record support by means of a tracing stylus includes a stylus holder, elastically mounted at its center of motion, in a bearing element of rubber or rubber-like material. A small metal plate is embedded in the bearing element to extend perpendicularly to the longitudinal axis of the stylus holder, and has a central opening therein. The stylus holder passes through the central opening and the diameter of the central opening is slightly larger than the external diameter of the stylus holder in the zone of its passage through the central opening. The thickness of the plate is small relative to such external diameter of the stylus …
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 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 1, 1997.
- 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.