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. 02, 2010
Filed:
Oct. 04, 2006
Hiroshi Shimono, Tokyo, JP;
Junichi Yokota, Kanagawa, JP;
Ryogo Ito, Tokyo, JP;
Fumihiko Kaise, Tokyo, JP;
Kunihiko Take, Kanagawa, JP;
Hirofumi Todo, Tokyo, JP;
Keiji Kanota, Kanagawa, JP;
Kenichiro Imai, Kanagawa, JP;
Ko Kobayashi, Tokyo, JP;
Katsuhiko Watanabe, Saitama, JP;
Hiroshi Shimono, Tokyo, JP;
Junichi Yokota, Kanagawa, JP;
Ryogo Ito, Tokyo, JP;
Fumihiko Kaise, Tokyo, JP;
Kunihiko Take, Kanagawa, JP;
Hirofumi Todo, Tokyo, JP;
Keiji Kanota, Kanagawa, JP;
Kenichiro Imai, Kanagawa, JP;
Ko Kobayashi, Tokyo, JP;
Katsuhiko Watanabe, Saitama, JP;
Sony Corporation, , JP;
Abstract
A recording device which records data onto a recording medium includes a nonvolatile memory storing and holding data on a free capacity of the recording medium, and a control unit controlling the data recording. The control unit determines the free-capacity data stored in the nonvolatile memory based on the total capacity of the recording medium when power is turned on. When the determination result indicates that a value of the free-capacity data stored in the nonvolatile memory does not exceed a value of the total capacity of the recording medium, the control unit records the data onto the recording medium with reference to the free-capacity data. When the power is turned off, the control unit updates the free-capacity data so as to reduce the value of the free-capacity data by as much as an amount of the data recorded onto the recording medium.