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:
Nov. 28, 1989
Filed:
Jul. 05, 1988
Mashio Kitaura, Tondabayashi, JP;
Masaaki Nakai, Kawachinagano, JP;
Tadahiro Yoshida, Takatsuki, JP;
Yoshiiku Kikukawa, Kishiwada, JP;
Takanobu Omaki, Sennan, JP;
Nobuyuki Taniguchi, Tondabayashi, JP;
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Abstract
From a data transmission device to a camera system including a camera and electronic flash device, operation instruction data such as set or calculated exposure control data, shutter release data instructing the operation of the camera system, flash emission testing data and the like are serially transmitted in the form of infrared light signal. When the reception of these data is completed, the camera starts its operation to control given operation of the camera system such as the exposure initiation of the camera, test light emission of the electronic flash device and the like in accordance with received data. Additionally, in the case where the data transmission device is an exposure meter which measures flash light and daylight, flash light emission operation or light emission interruption operation of the electronic flash device is controlled in accordance with the determination whether the exposure control data calculated and transmitted to the camera system is for the daylight photography or the flash light photography.