Title:
ENTRY DETECTION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/251012
Kind Code:
A1
Abstract:
The present invention provides an entry detection system for detecting an object entering a predefined area, wherein detection of an object allowed to enter the area is appropriately disabled. An entry detection system (10) that detects an object (B) entering an area (E2) includes: an entry detection sensor (5) that detects whether a section of the object (B) is present in the entry detection plane (P); a muting sensor (3) that has a first unit (1) and a second unit (2); and a control unit (7). The control unit (7) disables the entry detection sensor (5) when at least one of the following states is established: a first detection state (ST1) in which the first unit (1), which is provided at a passing-direction first side (Y1) with respect to the entry detection plane (P), has detected the object (B); and a second detection state (ST2) in which the second unit (2), which is provided at a passing-direction second side (Y2) with respect to the entry detection plane (P), has detected the object (B).
Inventors:
TSUDA YASUHIRO (JP)
Application Number:
PCT/JP2021/016445
Publication Date:
December 16, 2021
Filing Date:
April 23, 2021
Export Citation:
Assignee:
DAIFUKU KK (JP)
International Classes:
B65G1/00; B23Q11/00; F16P3/14
Foreign References:
| JP2009063362A | 2009-03-26 | |||
| JP2015177337A | 2015-10-05 | |||
| US20180178385A1 | 2018-06-28 | |||
| US20180347753A1 | 2018-12-06 |
Attorney, Agent or Firm:
R&C IP LAW FIRM (JP)
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