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:
Sep. 24, 2019
Filed:
Nov. 21, 2017
Hak Seo OH, Gyeonggi-do, KR;
Hak Seo Oh, Gyeonggi-do, KR;
Hyo Suk Park, Gyeonggi-do, KR;
Jin Hwan Ko, Seoul, KR;
Sung Hyuk Youn, Incheon, KR;
Youl Kwon Sung, Gyeonggi-do, KR;
Other;
Abstract
An apparatus for controlling line guide of an automated material handling system, comprises: optical lines in which a side light emission optical fiber is installed in the whole section of a confluence of a plurality of lines of lines for moving the unmanned transport devices; a main confluence control device which is installed at the confluence, performs optical communication with the unmanned transport device through the optical line; and a sub-confluence control device which is installed in the unmanned transport device, performs optical communication with the main confluence control device through the optical line to report an entry state or a pass completion state for the confluence, and controls the unmanned transport device to perform an entry operation or a standby operation depending on the pass control signal.