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:
Apr. 29, 2025
Filed:
Jan. 25, 2022
Applicant:
Murata Machinery, Ltd., Kyoto, JP;
Inventors:
Yuji Shimizu, Ise, JP;
Seiji Yamagami, Kyoto, JP;
Assignee:
MURATA MACHINERY, LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/67 (2005.12); B61L 15/00 (2005.12); B61L 25/02 (2005.12); B61L 25/04 (2005.12); B61L 27/16 (2021.12); G06V 10/56 (2021.12); G06V 20/56 (2021.12);
U.S. Cl.
CPC ...
B61L 15/0058 (2023.12); B61L 15/009 (2012.12); B61L 25/021 (2012.12); B61L 25/04 (2012.12); B61L 27/16 (2021.12); G06V 10/56 (2021.12); G06V 20/56 (2021.12);
Abstract
A travelling vehicle includes a body including a small marker and a large marker, an imager, a pattern recognizer, and a state determiner. The large marker includes a display pattern including a first region, a second region with a lower reflectance than a reflectance of the first region, and a region where the small marker is located. The small marker has a display pattern including a third region with a lower reflectance than the reflectance of the first region and a fourth region with a lower reflectance than the reflectance of the third region and a lower reflectance than the reflectance of the second region.