Video tape recorder
CA 1209251 A · Owner: Matsushita Electric Industrial Co. Ltd. · Inventors: Hitotsumachi, Shuzo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a video tape recorder which includes a cylinder provided to rotate about its axis. A magnetic tape moves along a portion of the cylinder surface such that the cylinder surface obliquely traverses the magnetic tape. At least one pair of magnetic heads are mounted on the cylinder surface for recording and reproducing video signals on the tape. Another pair of magnetic heads are mounted on the cylinder for recording and reproducing audio signals on the tape.
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 August 5, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 5, 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.