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:
Mar. 22, 1988
Filed:
Jun. 10, 1987
Hirokazu Gunshi, Hachioji, JP;
Minoru Yamada, Hachioji, JP;
Eiji Ito, Hachioji, JP;
Masaru Nagai, Hachioji, JP;
Kenji Miyama, Hachioji, JP;
Masataka Sawamura, Hachioji, JP;
Konishiroku Photo Industry Co., Ltd., Tokyo, JP;
Abstract
An automatic focusing camera having a driving mechanism for moving a taking lens on the basis of a signal provided by a distance measuring device. The lens position is controlling by a cam member capable of being turned stepwise in one direction about the optical axis of a taking lens by a pulse signal given by the distance measuring device. The driving mechanism has a light quantity controlling movable coil member and a taking lens driving and controlling movable coil member. Both the light quantity controlling movable coil member and the taking lens driving and controlling movable coil member are disposed within a gap and exposed to a common magnetic field.