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. 24, 2014
Filed:
Jun. 02, 2011
Yasuo Mutsuro, Yokohama, JP;
Yutaka Nagai, Yokohama, JP;
Koichiro Nishimura, Sagamihara, JP;
Masakazu Ikeda, Odawara, JP;
Osamu Kawamae, Kawasaki, JP;
Yasuo Mutsuro, Yokohama, JP;
Yutaka Nagai, Yokohama, JP;
Koichiro Nishimura, Sagamihara, JP;
Masakazu Ikeda, Odawara, JP;
Osamu Kawamae, Kawasaki, JP;
Hitachi-LG Data Storage, Inc., Tokyo, JP;
Hitachi Consumer Electronics Co., Ltd., Tokyo, JP;
Abstract
There are provided an optical disc device and its recording/reproducing method for managing the management information about plural optical discs efficiently. In the present invention, the management information about the plural optical discs is stored in a memory. Moreover, the management information about part or all of the optical discs stored in the memory is recorded in the optical disc.