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Expired Canadian patentCanada

Magnetic video recording and reproducing apparatus

CA 1051115 A · Owner: Teac Video Corporation · Inventors: Inoue, Makoto

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A magnetic video recording and reproducing apparatus has a magazine receiving section for receiving a tape magazine a, rotary magnetic head assembly, and a tape threading assembly that includes a flat annular rotatable member surrounding the rotary head assembly and partially underlying a magazine received in the receiving section. Means including a hook and a roller are provided on the annular rotatable member to engage a tape in the magazine and, as the rotatable member is rotated draw it around the rotary magnetic head assembly to a position where the tape is pinched between the roller and a capstan and the tape lies against the rotary head assembly in position to be scanned. Guide pins, …

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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 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 20, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedMarch 20, 1979
Term endedMarch 20, 1996
Patent numberCA 1051115 A
Classification (IPC)G11B15/66 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedMarch 20, 1979Term endedMarch 20, 1996

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.