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. 13, 1984
Filed:
Jan. 20, 1983
Kenzo Ishibashi, Tokyo, JP;
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
In a flash unit used with camera for providing stop value data consisting of a frequency clock, a circuit which can detect stop value data consisting of a frequency clock or the like provided from the flash unit without being influenced by noise by permitting the stop value data to be accepted when the data is confirmed to be a continuous normal signal. Where the camera is provided with a TTL flash automatic light does control unit, the circuit permits the use of a common circuit for a path through which the detecting circuit receives the stop value data and for a path through which the TTL flash automatic light dose control unit provides automatic light dose control data to be flash unit, thus permitting simplification of these data transmitting system.