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:
Oct. 08, 2002
Filed:
Jun. 18, 2001
Tomomi Okamoto, Chigasaki, JP;
Kyuichiro Nagai, Fujisawa, JP;
Atsushi Inoue, Chigasaki, JP;
Hiroaki Ono, Fujisawa, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A disc cartridge for receiving a disc-shaped recording medium therewithin which is capable of being inserted and removed from the disc cartridge. The disc cartridge has an insertion and removal port opening and closing member which is moved from the disc cartridge when taking out the recording medium. The insertion and removal port opening and closing member holds the disc-shaped recording medium and can take out the disc together with the insertion and removal port opening and closing member from a disc cartridge main body when taking out the insertion and removal port opening and closing member from the disc cartridge. The disc cartridge has a locking member and a locking cancellation preventing member which prevents said locking member from moving for canceling the locking and which serves as a portion for recognizing a history of insertion and removal of the recording medium.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile