Title:
LASER SCAN SENSOR
Document Type and Number:
WIPO Patent Application WO/2013/069575
Kind Code:
A1
Abstract:
This laser scan sensor is provided with a laser distance meter (110), a scan mechanism (120), a distance data acquisition unit (130), a memory (160) which stores detection area information for each measurement direction and installation state information, a human body determination unit (140) which, from acquired distance data, extracts the portions which, out of intruding or moving objects determined through comparison with detection area information, may possibly correspond to human bodies, and, on the basis of the movement state in time series of each of said thusly extracted portions, determines whether or not the extracted portions that remain after exclusion of those which have moved no more than a prescribed distance within a prescribed time, are human bodies, a detection area information update unit (140) which updates the detection area information under prescribed conditions, and a warning output control unit (150).
Inventors:
IWASAWA MASASHI (JP)
Application Number:
PCT/JP2012/078503
Publication Date:
May 16, 2013
Filing Date:
November 02, 2012
Export Citation:
Assignee:
OPTEX CO LTD (JP)
IWASAWA MASASHI (JP)
IWASAWA MASASHI (JP)
International Classes:
G08B13/181; G01S17/04; G01S17/42; G01S17/89
Foreign References:
| JP2011215775A | 2011-10-27 | |||
| JP2009110124A | 2009-05-21 | |||
| JP2009093428A | 2009-04-30 | |||
| JP2010102697A | 2010-05-06 | |||
| JP2009110069A | 2009-05-21 |
Other References:
See also references of EP 2741263A4
Attorney, Agent or Firm:
ARC PATENT ATTORNEYS' OFFICE (JP)
Patent business corporation ARC PATENT ATTORNEYS' OFFICE (JP)
Patent business corporation ARC PATENT ATTORNEYS' OFFICE (JP)
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Claims: