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. 07, 1989
Filed:
Mar. 24, 1989
Yoshiiku Kikukawa, Kishiwada, JP;
Masayuki Nakasa, Sennan, JP;
Tadahiro Yoshida, Takatsuki, JP;
Mashio Kitaura, Tondabayashi, JP;
Masaaki Nakai, Kawachinagano, JP;
Takanobu Omaki, Sennan, JP;
Nobuyuki Taniguchi, Tondabayashi, JP;
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Abstract
A camera system including a camera body and a camera accessory attachable to the camera body, such as an interchangeable back lid, an interchangeable lens, a flash device and so on, is disclosed. In the system, a plurality of circuits provided in plurality of camera accessories are controlled by a microcomputer provided in the camera body. Data is transmitted between the microcomputer and the circuits using a serial data bus and synchronizing clock line connected therebetween. The circuit to receive the data sent from the microcomputer, or the circuit which should send the data to the microcomputer are selected by the microcomputer through chip select lines provided between the microcomputer and each circuit.