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. 29, 2015
Filed:
Aug. 20, 2014
Olympus Corporation, Tokyo, JP;
Kaoru Matsuki, Kawasaki, JP;
OLYMPUS CORPORATION, Tokyo, JP;
Abstract
The light control system includes command means () for outputting a command signal indicating a direction of rotation of the light control means (), detection means () for detecting electromotive force generated in a coil (), switch means () for connecting the coil to drive means () in a driving state in which current is supplied to the coil and connecting the coil to the detection means in a non-driving state in which electromotive force generated in the coil is detected, determination means () for determining a rotational state of a rotary shaft member (), based on an output signal output from the detection means, and control means () for outputting a command for causing the drive means to output a drive signal, based on an output signal output from the determination means.