Title:
DEVICE FOR DETECTING POSITION OF OBJECT
Document Type and Number:
Japanese Patent JPH01316609
Kind Code:
A
Abstract:
PURPOSE:To highly reliably and highly accurately detect the position of an object by utilizing a transmission loss caused by a bend of an optical fiber. CONSTITUTION:When a commodity of coal, etc., is continuously unloaded in a pile at a prescribed location by a stacker and reaches the position of a probe 13, the probe 13 is pushed up along a supporting shaft member 11a. When the coal, etc., reaches a specific height, the upper surface of the probe 13 is engaged with the lower surface of a trapezoidal member 11 and an optical fiber cable 7 is wavily bent. As a result, the intensity of the light received by a light power meter is dropped and it can be detected that the coal, etc., is piled up to a specific position.
More Like This:
| WO/2021/072508 | A MOUNTING STRUCTURE FOR A VIBRATION SENSING SYSTEM |
| WO/2023/165893 | SIGNAL PROCESSING METHODS FOR AN OPTICAL DETECTION SYSTEM |
| JP2018532993 | Optical sensor device with improved shock absorption |
Inventors:
OKABE KENJI
Application Number:
JP14834688A
Publication Date:
December 21, 1989
Filing Date:
June 17, 1988
Export Citation:
Assignee:
SUMITOMO HEAVY INDUSTRIES
International Classes:
G01D5/353; G01B11/00; G01D5/26; (IPC1-7): G01B11/00; G01D5/26
Attorney, Agent or Firm:
Tan Ashida (4 outside)