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. 29, 2000
Filed:
Jul. 25, 1997
Hidehiro Ogawa, Funabashi, JP;
Nikon Corporation, Tokyo, JP;
Abstract
A camera including a battery check device, having a plurality of battery check levels, to inactivate auxiliary devices of the camera according to a detected battery voltage level, and to modify the battery check level depending on the auxiliary devices used for taking photographs. The remaining capacity of the battery is detected and compared with the plurality of battery check levels and the activation of the plurality of devices is prohibited in a specified order, for example, in order of lower priority, or in order of larger power consumption, as the detected value of the remaining battery capacity decreases. The battery check level can be modified based on the auxiliary devices which are inactivated by an operator. A photographic operation can be continued without missing a shutter opportunity as long as a sufficient battery capacity remains to activate the devices necessary for taking photographs.