JPS55164335A - Optical sensing system - Google Patents

Optical sensing system

Info

Publication number
JPS55164335A
JPS55164335A JP7128179A JP7128179A JPS55164335A JP S55164335 A JPS55164335 A JP S55164335A JP 7128179 A JP7128179 A JP 7128179A JP 7128179 A JP7128179 A JP 7128179A JP S55164335 A JPS55164335 A JP S55164335A
Authority
JP
Japan
Prior art keywords
light
modulation frequency
photodetector
polarized
separated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP7128179A
Other languages
English (en)
Other versions
JPS6314305B2 (ja
Inventor
Takeshi Koseki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP7128179A priority Critical patent/JPS55164335A/ja
Publication of JPS55164335A publication Critical patent/JPS55164335A/ja
Publication of JPS6314305B2 publication Critical patent/JPS6314305B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/344—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using polarisation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Measuring Magnetic Variables (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP7128179A 1979-06-08 1979-06-08 Optical sensing system Granted JPS55164335A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7128179A JPS55164335A (en) 1979-06-08 1979-06-08 Optical sensing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7128179A JPS55164335A (en) 1979-06-08 1979-06-08 Optical sensing system

Publications (2)

Publication Number Publication Date
JPS55164335A true JPS55164335A (en) 1980-12-22
JPS6314305B2 JPS6314305B2 (ja) 1988-03-30

Family

ID=13456162

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7128179A Granted JPS55164335A (en) 1979-06-08 1979-06-08 Optical sensing system

Country Status (1)

Country Link
JP (1) JPS55164335A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59145977A (ja) * 1984-02-03 1984-08-21 Hitachi Ltd 磁界測定装置
US9131824B2 (en) 2007-05-03 2015-09-15 Diversey, Inc. Floor maintenance tool and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59145977A (ja) * 1984-02-03 1984-08-21 Hitachi Ltd 磁界測定装置
JPH0322595B2 (ja) * 1984-02-03 1991-03-27 Hitachi Ltd
US9131824B2 (en) 2007-05-03 2015-09-15 Diversey, Inc. Floor maintenance tool and method

Also Published As

Publication number Publication date
JPS6314305B2 (ja) 1988-03-30

Similar Documents

Publication Publication Date Title
US4363114A (en) Low noise remote optical fiber sound detector
CA1246354A (en) OPTICAL MEASUREMENT DEVICE USING A SPECTRAL MODULATION SENSOR HAVING AN OPTICALLY RESONANT STRUCTURE
JPS55152434A (en) Light output monitoring system for light repeater
JPS5621004A (en) Optical sensing system
CN108683459A (zh) 一种基于马赫-曾德尔光纤干涉仪的光纤相位补偿器
KR910010929A (ko) 왜곡제거용 광섬유 전송장치 및 그 전송방법
EP0280329A3 (en) Chromatic dispersion measuring system for optical fibers
JPS57196165A (en) Light intensity modulation measuring device
CN107356412B (zh) 一种基于稀土掺杂光纤折射率的测量系统的测量方法
JPS55164335A (en) Optical sensing system
GB2144534A (en) Optical monitoring apparatus
WO2002066940A3 (en) System and method for measurement of the state of polarization of an optical signal in a fibre
EP0257973A3 (en) Method and apparatus for compensating fiber optic lead and connector losses in a fiber optic sensor
CN208723907U (zh) 一种基于马赫-曾德尔光纤干涉仪的光纤相位补偿器
JPS5651636A (en) Measuring method for material dispersion characteristic of fiber
JPS56169948A (en) Optical multiplex transmission system
EP0337796A3 (en) Device for measuring optical frequency modulation characteristics
GB1274241A (en) Apparatus for measuring the refraction index of a medium along a light path
JPS57161661A (en) Measuring device by use of optical fiber
JPS5373153A (en) Measuring apparatus for dispersion of optical fibers
JPS56130619A (en) Photodetecting device
BLACKBURN et al. A versatile fiber-optics signal link for EMP testing and general laboratory applications[Technical Memorandum, Jul. 1977- Jul. 1978]
SU1744673A1 (ru) Устройство дл измерени хроматической дисперсии волоконных световодов
DE3173053D1 (en) Optical measuring member for determining the diameter of threads and wires
JPS5613850A (en) Secondary signal piling transmission system