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:
Jun. 30, 2026
Filed:
Mar. 04, 2020
Lg Electronics Inc., Seoul, KR;
Byungkon Sohn, Seoul, KR;
Kyuchun Choi, Seoul, KR;
Youngkouk Song, Seoul, KR;
Changhyeon Lee, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
A robot cleaner comprises a cleaner body provided with a control unit; a first sensing unit which protrudes from the upper surface of the cleaner body, and emits laser at surroundings of the cleaner body to detect obstacles located around the cleaner body; a second sensing unit which is inclined relative to side surfaces and an upper surface of an upper edge portion of the cleaner body, and captures images in both lateral and upward directions of the cleaner body; a third sensing unit which is disposed on a front surface of the cleaner body, transmits ultrasonic waves to the surroundings in front of the cleaner body, and then uses the reflected ultrasonic waves to detect obstacles located in front of the cleaner body; and a fourth sensing unit which is disposed on the front surface of the cleaner body, and captures images in front of the cleaner body.