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:
Jul. 25, 1989
Filed:
Jan. 13, 1988
Applicant:
Inventors:
Assignee:
Olympus Optical Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
3541951 ;
Abstract
A power focusing apparatus, while a rotary operating member is rotated calculates a motor driving speed in accordance with a rotating speed of the operating member or calculates an amount of driving the motor in accordance with a speed and an amount of rotating the operating member and drives a lens with the calculated speed or amount of driving the motor.
Ishimaru, Toshiaki. (1989). Lens driving apparatus (U.S. Patent No. 4851869). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4851869
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile