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. 01, 2022
Filed:
Oct. 11, 2019
Asahi Kasei Microdevices Corporation, Tokyo, JP;
Ryota Sakamoto, Tokyo, JP;
Asahi Kasei Microdevices Corporation, Tokyo, JP;
Abstract
A lens drive device includes a position detecting unit that outputs a detection signal indicating a position of a detected lens and includes a plurality of operation modes allowing operation with different power consumptions, a selecting unit that select an operation mode in which the position detecting unit operates from the plurality of operation modes, a position signal generation unit that generates, a lens position signal based on either one of detection signals depending on the selected operation mode, a calculation unit that calculates a drive amount of the lens based on a target position signal indicating a target position of the lens and the lens position signal; and a drive unit that drives the lens based on the drive amount.