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:
Sep. 15, 1998
Filed:
Aug. 05, 1996
Hajime Fukui, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
There is provided a flash device to which a construction for starting a flash emission without depending on the turning-on of an X-sync contact is added without increasing the number of interfaces between a camera body and the flash device. In the flash device, a change of a clock signal inputted next to emission mode data communicated to the flash device through a serial communication line between the camera body and the flash device is detected and recognized as a flash emission start signal, so that flash emission start control is performed without depending on the turning-on of the X-sync contact and without setting a special interface.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile