Drive system of taperecorder
CA 1213367 A · Owner: Uehara, Zenshiro · Inventors: Uehara, Zenshiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Tape running drive in a taperecorder and each operation other than changeover drive for selecting each operation mode, for example, the recording mode, reproducing mode or rewind mode etc. from the OFF mode of taperecorder are attained not with an electrical power but combination of a spring and a cam, thereby saving power consumption in each of these operations.
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 October 28, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 28, 2003.
- 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.