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:
Oct. 19, 1982
Filed:
Mar. 18, 1981
Tatsuro Izumi, Sakai, JP;
Nobuyuki Taniguchi, Sakai, JP;
Toshiaki Matsumoto, Izumisano, JP;
Masatake Niwa, Sakai, JP;
Tokuji Ishida, Daito, JP;
Masatoshi Itoh, Sakai, JP;
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Abstract
An exposure system for use in a camera includes a light emitting apparatus which is capable of selectively projecting a first type of light which flashes instantaneously with a predetermined light quantity and a second type of light which flashes for a prolonged period of time with a predetermined constant light intensity, and a selecting circuit for selecting the first type of light when a target object to be photographed is located a predetermined distance away from the camera, and the second type of light when the target object is located closer to the camera than the predetermined distance.