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:
Dec. 12, 1995
Filed:
Mar. 29, 1995
Osamu Koizumi, Miyagi, JP;
Takayasu Hirano, Miyagi, JP;
Sony Corporation, Tokyo, JP;
Abstract
A tape cassette is provided which has indicia indicating the characteristics of the tape contained therein. In one embodiment an information discriminating mark, capable of being optically sensed is provided on the magnetic tape. Fluctuations in the transmittance of the tape are detected by a photodetector device and a difference in the detected output is utilized for identifying the type of the tape cassette. In another embodiment, the bottom surface of the tape cassette is provided with physical indicia indicating the characteristics of the tape contained therein.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile