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:
Jan. 12, 1999
Filed:
Feb. 18, 1997
Tsutomu Ichikawa, Hashimoto, JP;
Shigeto Ohmori, Kawachinagano, JP;
Motoshi Yamaguchi, Sakai, JP;
Hiroshi Ootsuka, Sakai, JP;
Keizo Kioku, Nara, JP;
Atsuhisa Ohno, Sakai, JP;
Minolta Co., Ltd., Osaka, JP;
Abstract
A camera system includes a camera device and a flash device. The camera device has a first mode where a control aperture value and a control shutter speed are automatically determined; and a second mode where the operator is allowed to determine either a control aperture value or a control shutter speed. The flash device is capable of emitting an instantaneous flash light and a prolonged flash light. The camera device includes a distance calculator operable to calculate a distance to an object and a light intensity calculator operable to calculate an intensity of a prolonged flash light for flash photography based on the calculated distance, a focal plane shutter having a front blind and a rear blind, and a controller operable to render the flash device emit a prolonged flash light at the calculated intensity from the start of travel of the front blind to the finish of travel of the rear blind.