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Patent Searching and Data


Title:
PHOTOELECTRIC SENSOR AND LIGHT PROJECTOR
Document Type and Number:
WIPO Patent Application WO/2018/146893
Kind Code:
A1
Abstract:
The present invention provides a photoelectric sensor which is provided with a light projector and a light receiver which are independent of each other. The light projector includes: a light emission unit which generates a projection beam; and a power supply circuit which receives power supplied through a first power supply line connected to the outside of the light projector, and supplies necessary power to the light emission unit. The light receiver includes: a first switching element which is connected to a second power supply line connected to the outside of the light receiver, and outputs a first output signal; a second switching element which is connected to the second power supply line and outputs a second output signal; and a detection circuit which switches the respective conductive states of the first switching element and the second switching element according to the intensity of detected light. A third power supply line is provided, one end of which is electrically connected to the first power supply line inside the light projector and the other end of which is electrically connected to the second power supply line outside the light receiver.

Inventors:
TSUZUKI, Ryosuke (801 Minamifudodo-cho, Horikawahigashiiru, Shiokoji-dori, Shimogyo-ku, Kyoto-sh, Kyoto 30, 〒6008530, JP)
OKAMOTO, Takuya (801 Minamifudodo-cho, Horikawahigashiiru, Shiokoji-dori, Shimogyo-ku, Kyoto-sh, Kyoto 30, 〒6008530, JP)
Application Number:
JP2017/041301
Publication Date:
August 16, 2018
Filing Date:
November 16, 2017
Export Citation:
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Assignee:
OMRON CORPORATION (801 Minamifudodo-cho, Horikawahigashiiru Shiokoji-dori, Shimogyo-ku, Kyoto-sh, Kyoto 30, 〒6008530, JP)
International Classes:
H01H35/00; H03K17/78
Foreign References:
JP2012170016A2012-09-06
JP2003298401A2003-10-17
JP2015153461A2015-08-24
JPH07114819A1995-05-02
JPH07302530A1995-11-14
JPH1092279A1998-04-10
JP2009098735A2009-05-07
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (Nakanoshima Festival Tower West, 2-4 Nakanoshima 3-chome, Kita-ku, Osaka-sh, Osaka 05, 〒5300005, JP)
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