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. 14, 1978
Filed:
Jul. 01, 1976
Hiroshi Iwata, Osaka, JA;
Tetsuo Yamaoka, Osaka, JA;
West Electric Co., Ltd., Osaka, JA;
Abstract
A flash and camera device integrally incorporating an automatic exposure camera which automatically adjusts the exposure depending on the brightness of an object and an electronic flash device which is capable of controlling the light intensity of a flash discharge tube which fires by consuming the charged energy of a main discharging capacitor. The amount of incident light to a first light sensor for controlling the exposure of the automatic exposure camera and the amount of light reflected from the object, which impinges on a second light sensor for controlling the light intensity of the electronic flash device, are changed in linked manner for simultaneously adjusting the exposure and the light intensity in accordance with the brightness of the object and the sensitivity of a film.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile