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.

Date of Patent:
Mar. 23, 2004

Filed:

Apr. 11, 2003
Applicant:
Inventors:

Shigeru Ishikawa, Kanagawa-ken, JP;

Hiroyuki Umeda, Kanagawa-ken, JP;

Hisashige Fujiwara, Kanagawa-ken, JP;

Yasufumi Hashimoto, Ibaraki-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 2/302 ; G11B 5/78 ;
U.S. Cl.
CPC ...
G11B 2/302 ; G11B 5/78 ;
Abstract

A tape cassette has a cassette case with top face, under face, front face, rear face, and a pair of right and left side face portions. A pair of supply and take-up tape containers sides is provided in the cassette case. A tape is wound around a pair of reels and contained in the pair of tape containers. A first wall portion connects the rear and right side face portion with each other and forms part of the take-up side tape container. A second wall portion connects the rear and left side face portion with each other and forms part of the supply side tape container. A first prism portion extends from the rear face portion to the right side face portion and refracts or reflects light from a light emission element of a recording and reproducing apparatus for detecting presence and absence of the tape cassette.


Find Patent Forward Citations

Ishikawa, Shigeru. (2004). Tape cassette of high transparency material (U.S. Patent No. 6710974). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6710974

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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