Automatic interruption mechanism suitable for magnetic-tape recording and/or playback apparatus
CA 1076088 A · Owner: N.V. Philips Gloeilampenfabrieken · Inventors: Aldenhoven, Ghislanus M.A.M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An automatic stop or change-over mechanism for magnetic-tape equipment, by means of which after the magnetic tape has come to a standstill the drive means can be switched off or changed over automatically under the influence of the movement of a zero member which belongs to a differential mechanism which is provided with a slip coupling. The slip coupling is a unidirectional coupling and only transmits a force to the zero member after the magnetic tape has come to a standstill. -29-
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 April 22, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 22, 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.