Drive chassis for a magnetic tape recorder
CA 2070988 C · Owner: Deutsche Thomson-Brandt Gmbh · Inventors: Weisser, Fritz; Schandl, Hartmut
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A drive chassis has a rotating head drum around which a magnetic tape can be looped and a magnetic head or combined head for reproducing and/or recording signals in the longitudinal track of the magnetic tape arranged between the head drum and the tape drive shaft. A holding device for the magnetic head is constructed so that, on the one hand it can, be easily mounted on the drive chassis and on the other hand, the magnetic head can be adjusted simply in relation to the position of the magnetic tape above the drive chassis. The magnetic head (H) or combined head (H) is fastened to a carrier plate (1) which can be elastically adjusted above the drive chassis (8) and which can be …
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
- Filed December 5, 1990 and granted February 22, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 5, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 5, 2012.
- 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.