CA977547A - Method and apparatus for measuring a quantity using electro-magnetic radiation - Google Patents

Method and apparatus for measuring a quantity using electro-magnetic radiation

Info

Publication number
CA977547A
CA977547A CA155,414A CA155414A CA977547A CA 977547 A CA977547 A CA 977547A CA 155414 A CA155414 A CA 155414A CA 977547 A CA977547 A CA 977547A
Authority
CA
Canada
Prior art keywords
electro
measuring
magnetic radiation
radiation
magnetic
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.)
Expired
Application number
CA155,414A
Other languages
English (en)
Other versions
CA155414S (en
Inventor
Kurt Dryczynski
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.)
Hoechst AG
Original Assignee
Hoechst AG
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
Priority claimed from DE19712154820 external-priority patent/DE2154820C3/de
Application filed by Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of CA977547A publication Critical patent/CA977547A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • 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
    • G01D5/341—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 controlling the movement of a following part
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Measuring Magnetic Variables (AREA)
CA155,414A 1971-11-04 1972-11-02 Method and apparatus for measuring a quantity using electro-magnetic radiation Expired CA977547A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712154820 DE2154820C3 (de) 1971-11-04 Optoelektrische Meßeinrichtung

Publications (1)

Publication Number Publication Date
CA977547A true CA977547A (en) 1975-11-11

Family

ID=5824190

Family Applications (1)

Application Number Title Priority Date Filing Date
CA155,414A Expired CA977547A (en) 1971-11-04 1972-11-02 Method and apparatus for measuring a quantity using electro-magnetic radiation

Country Status (10)

Country Link
JP (1) JPS5746031B2 (tr)
BE (1) BE790938A (tr)
CA (1) CA977547A (tr)
ES (1) ES408246A1 (tr)
FR (1) FR2160003A5 (tr)
GB (1) GB1401699A (tr)
IT (1) IT973354B (tr)
LU (1) LU66406A1 (tr)
NL (1) NL169365C (tr)
TR (1) TR17946A (tr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE411955B (sv) * 1978-06-02 1980-02-11 Asea Ab Fiberoptiskt metdon med hogst tva fibrer
JPS5820343U (ja) * 1981-08-03 1983-02-08 株式会社デンソー 電子式燃料噴射制御装置
JPS61108636U (tr) * 1984-12-22 1986-07-10
GB8610654D0 (en) * 1986-05-01 1986-08-20 Bicc Plc Movement detection
JPS62133941U (tr) * 1986-12-03 1987-08-24
GB2200507B (en) * 1987-01-28 1992-02-12 Famous Instr Ltd Optical detector for an auto-focus camera
GB2347210B (en) * 1999-02-26 2003-08-06 Infrared Eng Infrared gauge
DE60042564D1 (de) 2000-03-02 2009-08-27 Ndc Infrared Egineering Ltd Vorrichtung zur elektromagnetischen detektion
CN113465658B (zh) * 2021-05-24 2023-03-31 湖南大学 基于磁导率的非接触式测温及物料成分检测装置与方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215843A (en) * 1961-06-02 1965-11-02 Special Instr Lab Inc Photosensitive light source intensity control system
US3600072A (en) * 1962-04-17 1971-08-17 Bofors Ab Projector for analytical viewing of moving pictures

Also Published As

Publication number Publication date
ES408246A1 (es) 1976-02-16
NL7214419A (tr) 1973-05-08
BE790938A (fr) 1973-05-03
TR17946A (tr) 1976-11-01
JPS4854973A (tr) 1973-08-02
FR2160003A5 (tr) 1973-06-22
LU66406A1 (tr) 1974-05-17
DE2154820B2 (de) 1977-06-23
GB1401699A (en) 1975-07-30
DE2154820A1 (de) 1973-05-17
NL169365B (nl) 1982-02-01
JPS5746031B2 (tr) 1982-09-30
NL169365C (nl) 1982-07-01
IT973354B (it) 1974-06-10

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