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.

Date of Patent:
Dec. 12, 2006

Filed:

Feb. 14, 2003
Applicants:

Satoshi Ebato, Tokyo, JP;

Takashi Nunomaki, Tokyo, JP;

Inventors:

Satoshi Ebato, Tokyo, JP;

Takashi Nunomaki, Tokyo, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A communication portion of a video camera receives expected power information of a printer from the printer, and also receives battery power information from a battery pack. When a microcomputer judges that there is any shift to a state where the power consumption amount under operating state is varied, that is, the printer is under a print standby state for printing operation, an operating portion reads out expected power information of the video camera under operation of the printer which is stored in advance is read out from the storage portion to calculate the expected power consumption amount of a video camera system under the operation of the printer on the basis of the expected power information of the printer received by the communication portion and the expected power information of the video camera read out, and the battery residual amount time is determined on the basis of the expected power consumption amount.


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