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:
May. 25, 2021
Filed:
Jan. 07, 2020
Applicant:
Olympus Corporation, Tokyo, JP;
Inventors:
Yoshitaka Umemoto, Hachioji, JP;
Takashi Suzuki, Hino, JP;
Fumiyuki Onoda, Tama, JP;
Takashi Yamashita, Hachioji, JP;
Yasuaki Natori, Akishima, JP;
Assignee:
OLYMPUS CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H02P 6/30 (2016.01); A61B 1/00 (2006.01); H02P 6/12 (2006.01);
U.S. Cl.
CPC ...
H02P 6/30 (2016.02); A61B 1/00006 (2013.01); A61B 1/0016 (2013.01); A61B 1/00156 (2013.01); H02P 6/12 (2013.01);
Abstract
A self-propelled endoscope apparatus includes a rotation body, a motor, a drive circuit, and a regeneration protection circuit. The rotation body is provided on an outer peripheral surface of an elongated insertion section. The rotation body is configured to be rotatable. The motor rotates the rotation body. The drive circuit drives the motor. The regeneration protection circuit performs protecting operation for protecting the drive circuit from regeneration voltage generated by regeneration of the motor.