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:
Aug. 20, 1991
Filed:
Jun. 18, 1990
Nobuyuki Taniguchi, Tondabayashi, JP;
Masatake Niwa, Sakai, JP;
Akira Fujii, Sennan, JP;
Takeo Hoda, Sakai, JP;
Masaaki Nakai, Nara, JP;
Minoru Sekida, Sakai, JP;
Masayoshi Sahara, Sennan, JP;
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Abstract
A camera with circuitry, a main power source for supplying electric power to the circuitry, a back-up power source for supplying electric power to the circuitry independently from the main power source, a detector for detecting the condition of the back-up power source to produce a warning signal when the back-up power source can not supply sufficient electric power to the circuitry, starting the operation of the detector when the main power source has recovered, setting data to the circuitry in accordance with a manual operation and interrupting the operation of the warning signal when the data setting is operated.