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Title:
MULTI-AXIS PHOTOELECTRIC SENSOR
Document Type and Number:
WIPO Patent Application WO/2012/081265
Kind Code:
A1
Abstract:
A multi-axis photoelectric sensor (S), which detects high-level signals while a detection area is not blocking light, and which stops output in response to the detection area blocking light, wherein sequences of changes in states in which light enters or is blocked from the detection area by each optical axis and in inputs from muting sensors (A1, B1, A2, B2) are divided into stages in order to perform monitoring, and muting is implemented on the condition that a stage is proceeding normally. When an abnormality is detected in a sequence in a stage during monitoring, notification of the type of stage in which the abnormality was detected is provided by causing indicator lights (10, 20) to blink etc. a certain number of times corresponding to the stage in which the abnormality was detected.

Inventors:
KIKUCHI, Keisaku (())
菊池 啓作 (())
Application Number:
JP2011/056349
Publication Date:
June 21, 2012
Filing Date:
March 17, 2011
Export Citation:
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Assignee:
OMRON CORPORATION (801 Minamifudodo-cho, Horikawahigashiiru Shiokoji-dori, Shimogyo-ku, Kyoto-sh, Kyoto 30, 〒6008530, JP)
オムロン株式会社 (〒30 京都府京都市下京区塩小路通堀川東入南不動堂町801番地 Kyoto, 〒6008530, JP)
KIKUCHI, Keisaku (())
International Classes:
H01H35/00
Foreign References:
JP2010133765A2010-06-17
JP2009063362A2009-03-26
JP2009225012A2009-10-01
JP2006284355A2006-10-19
Other References:
See also references of EP 2654061A4
Attorney, Agent or Firm:
Fukami Patent Office, p.c. (Nakanoshima Central Tower, 2-7 Nakanoshima 2-chome, Kita-ku, Osaka-sh, Osaka 05, 〒5300005, JP)
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Claims: