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:
Oct. 24, 2023
Filed:
May. 10, 2019
Tdk Taiwan Corp., Taoyuan, TW;
Shou-Jen Liu, Taoyuan, TW;
Chao-Chun Chang, Taoyuan, TW;
Sin-Hong Lin, Taoyuan, TW;
Wei-Cheng Wang, Taoyuan, TW;
TDK TAIWAN CORP., Taoyuan, TW;
Abstract
An optical driving mechanism is provided, for driving an optical element, including: a fixed portion, a movable portion, a driving assembly and a position sensing assembly. The movable portion is movably connected to the fixed portion and includes a holder for sustaining the optical element. The driving assembly is configured to drive the movable portion to move relative to the fixed portion. The position sensing assembly is configured to sense a distance of the movable portion relative to the fixed portion, the position sensing assembly includes a sensing magnetic element and a sensor, wherein the sensing magnetic element is disposed on the movable portion and has a rectangular structure. A direction of a long axis of the rectangular structure extends in a direction that is perpendicular to the optical axis of the optical element, and the direction of the long axis is different from the optical axis direction.