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:
Jun. 10, 1997
Filed:
Feb. 22, 1995
Takashi Ohgi, Miyagi, JP;
Sony Corporation, Tokyo, JP;
Abstract
A tape cassette having a recording medium for use with a recording/reproducing device having a detection mechanism including a detection pin located in one of a plurality of positions and being adaptable for insertion into the tape cassette being currently used therewith so as to determine whether a recording operation may be performed involving the recording medium of the currently used tape cassette. The tape cassette includes a housing and a prevention plug. The housing includes first and second detection holes which are adapted to accommodate the detection pin and which are located so as to respectively correspond to the first and second positions. The prevention plug is movable between a first location and a second location in which the plug covers the first and second detection holes so as to prevent the detection pin from being inserted therethrough when the plug is in the first location and in which the plug uncovers the first and second detection holes so as to permit the detection pin to be inserted therethrough when the plug is in the second location.