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:
Feb. 14, 2023
Filed:
Sep. 28, 2021
Applicants:
Yoichi Itagaki, Tokyo, JP;
Taro Watanabe, Tokyo, JP;
Inventors:
Yoichi Itagaki, Tokyo, JP;
Taro Watanabe, Tokyo, JP;
Assignee:
MITSUMI ELECTRIC CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/232 (2006.01); G02B 27/64 (2006.01); G02B 7/09 (2021.01); G03B 5/02 (2021.01);
U.S. Cl.
CPC ...
H04N 5/23287 (2013.01); G02B 7/09 (2013.01); G02B 27/646 (2013.01); G03B 5/02 (2013.01); G03B 2205/0007 (2013.01); G03B 2205/0061 (2013.01);
Abstract
The driving unit includes: a first contact portion and a second contact portion that move relatively to each other while making contact with each other during driving; in which the second contact portion includes a coating layer at a contact face with the first contact portion, and the first contact portion and the second contact portion generate heat along with relative movement to vaporize a worn-away part of the coating layer.