Title:
GATE PASSAGE SENSOR
Document Type and Number:
Japanese Patent JP2015198759
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To make measurement error of a time that a mobile body through a gate small.SOLUTION: A gate passage sensor possesses retroreflection component arranged to a gate and a main body equipped with a mobile body. The main body possesses: a regression type photoelectronic sensor having a light source and a photo detector and receiving regression light from a retroreflection component of light emitted to a direction at right angles for a direction of movement of the mobile body from light source with the photo detector; a timer measuring elapsed time from start; a controller retrieving the measurement time of the timer when the regression type photoelectronic sensor receives the regression light from the timer and outputting it; and a battery feeding at least the regression type photoelectronic sensor, the timer and the controller.
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Inventors:
HARADA TSUKUHIDE
Application Number:
JP2014079133A
Publication Date:
November 12, 2015
Filing Date:
April 08, 2014
Export Citation:
Assignee:
HARADA ELECTRONICS IND
International Classes:
A63B71/06; G04F10/00; G07C1/24; H01H35/00
Domestic Patent References:
| JPH0357995A | 1991-03-13 | |||
| JPH06218138A | 1994-08-09 | |||
| JP2011130829A | 2011-07-07 | |||
| JPH0357994A | 1991-03-13 | |||
| JPH09304558A | 1997-11-28 | |||
| JP2004213442A | 2004-07-29 | |||
| JP2011191978A | 2011-09-29 |
Attorney, Agent or Firm:
Ginza Marronnier Patent Office