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:
Feb. 17, 2009
Filed:
Feb. 14, 2005
Kazuhito Kurita, Kanagawa, JP;
Mikinori Matsuda, Kanagawa, JP;
Takahiro Yamada, Saitama, JP;
Sony Corporation, Tokyo, JP;
Abstract
To prevent erroneous insertion of a recording medium cartridge into a holder in a recording medium drive device simply and without causing a sharp rise of price of the recording medium drive device. A shutter opening piece () for sliding a shutter () supported upon a case () of a recording medium cartridge () to open a light transparent hole () is provided in a holder () in a recording medium drive device (), when the recording medium cartridge () is normally inserted into the holder (), the shutter () is slid by the shutter opening piece () to open the light transparent hole (), and when the recording medium cartridge () is inserted into the holder () in an erroneous direction, the opening edge of a function expansion groove () of the case () contacts the shutter opening piece () to prevent erroneous insertion of the recording medium cartridge () into the holder ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile