The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 06, 1997
Filed:
Mar. 27, 1996
Shoichi Ibaraki, Tokyo, JP;
Masahide Hasegawa, Kanagawa-ken, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A recording and/or reproducing apparatus for recording and/or reproducing information on or from a tape-shaped recording medium includes a head arranged to record and/or reproduce information on or from the recording medium, and a rotary drum which has the head mounted thereon and is arranged to have the tape-shaped recording medium wrapped around the outer peripheral surface thereof. A plurality of grooves are formed in the outer peripheral surface in such a way as to surround the outer peripheral surface. The outer peripheral surface includes a first outer peripheral surface and a second outer peripheral surface which has a smaller diameter than the first outer peripheral surface. Each of the plurality of grooves are sandwiched in between the first and second outer peripheral surfaces.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile