Title:
PROTECTOR AND VEHICLE SENSOR SYSTEM INCLUDING THE SAME
Document Type and Number:
Japanese Patent JP2017053857
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a protector capable of preventing even muddy water, etc., splashed by a vehicle from adhering to a vehicle sensor, such as an ETC lane.SOLUTION: In a vehicles sensor system including a light emitting device 1 placed on one side of a passage road and a light receiving device 2 placed on the other side of the passage road, the light emitting device 1 and the light receiving device 1 include protectors 3. Each protector 3 includes a protective tube 30 including a light emitter 10 or an optical receiver 20 and having light transmissivity to the transmitted light of a light emitting element and a protective tube rotary motor 31 for rotating the protective tube 30. The protective tube rotation motor 31 is controlled by a motor controller MC corresponding to the output signal of a sensor. Since mud splash is flipped by rotation, dirt hardly adheres to the protective tube 30.SELECTED DRAWING: Figure 1
Inventors:
HOSOKAWA HIROSHI
Application Number:
JP2016174474A
Publication Date:
March 16, 2017
Filing Date:
September 07, 2016
Export Citation:
Assignee:
KOEI IND CO LTD
International Classes:
G01V8/20; G08G1/04; G12B9/04; H01H35/00
Domestic Patent References:
| JP2000056367A | 2000-02-25 | |||
| JPH09212758A | 1997-08-15 | |||
| JPS51151166A | 1976-12-25 | |||
| JP2009516278A | 2009-04-16 | |||
| JP2011233472A | 2011-11-17 | |||
| JPH06178175A | 1994-06-24 | |||
| JP2015032153A | 2015-02-16 | |||
| JP2002032891A | 2002-01-31 | |||
| JP2005072629A | 2005-03-17 |
Foreign References:
| WO2006060868A2 | 2006-06-15 |
Attorney, Agent or Firm:
Iwao Yamaguchi
Hiroshi Yamamoto
Hiroshi Yamamoto