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. 02, 2024
Filed:
Jan. 20, 2023
Applicant:
Zhejiang Dahua Technology Co., Ltd., Zhejiang, CN;
Inventor:
Wei Wu, Hangzhou, CN;
Assignee:
ZHEJIANG DAHUA TECHNOLOGY CO., LTD., Hangzhou, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 23/55 (2023.01); G02B 7/10 (2021.01); G03B 3/10 (2021.01); H02H 7/08 (2006.01); H04N 23/65 (2023.01);
U.S. Cl.
CPC ...
H04N 23/55 (2023.01); G02B 7/10 (2013.01); G03B 3/10 (2013.01); H02H 7/0838 (2013.01); G03B 2205/0069 (2013.01); H04N 23/65 (2023.01);
Abstract
The present disclosure provides an image device. The image device may include a camera lens, one or more stepper motors to drive the camera lens, one or more H-bridge circuits configured to control at least one of the one or more stepper motors, and a lens-identification circuit connected with the one or more H-bridge circuits, wherein the lens-identification circuit includes an impedance network of which an impedance value corresponds to a type of the camera lens.