Magnetic recording and playback of signals and magnetic transducing head therefore
CA 1184293 A · Owner: N.V. Philips Gloeilampenfabrieken · Inventors: Sastra, Budiman
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
13, ABSTRACT:, "A device for the magnetic recording and playback of signals and magnetic transducing head therefore" A device for the magnetic recording and/or playing back of signals on a flexible recording medium (4) by means of a magnetic transducing head (2) and transport and guide means (8, 8') for bringing successive parts of a flexible recording medium (4) in physical contact with a surface (1, 10) of the head, which surfaces is curved and comprises a non-magnetic transducing gap (3) which intersects the direction of movement of the recording medium to obtain an optimum contact between recording medium (4) and head (2) at the area of the transducing gap (3) in combination with a …
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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 March 19, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 19, 2002.
- 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.