GB1191719A - Device for Measuring Light Intensities - Google Patents

Device for Measuring Light Intensities

Info

Publication number
GB1191719A
GB1191719A GB4943267A GB4943267A GB1191719A GB 1191719 A GB1191719 A GB 1191719A GB 4943267 A GB4943267 A GB 4943267A GB 4943267 A GB4943267 A GB 4943267A GB 1191719 A GB1191719 A GB 1191719A
Authority
GB
United Kingdom
Prior art keywords
photo
diode
resistor
voltage
intensities
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
GB4943267A
Other languages
English (en)
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.)
Technicon Corp
Original Assignee
Technicon Corp
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 Technicon Corp filed Critical Technicon Corp
Publication of GB1191719A publication Critical patent/GB1191719A/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
    • G01J1/4228—Photometry, e.g. photographic exposure meter using electric radiation detectors arrangements with two or more detectors, e.g. for sensitivity compensation
    • 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
    • G01J1/44—Electric circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB4943267A 1966-11-18 1967-10-31 Device for Measuring Light Intensities Expired GB1191719A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6616304A NL6616304A (enExample) 1966-11-18 1966-11-18

Publications (1)

Publication Number Publication Date
GB1191719A true GB1191719A (en) 1970-05-13

Family

ID=19798231

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4943267A Expired GB1191719A (en) 1966-11-18 1967-10-31 Device for Measuring Light Intensities

Country Status (6)

Country Link
BE (1) BE705885A (enExample)
CH (1) CH499773A (enExample)
DE (1) DE1572695A1 (enExample)
FR (1) FR1583727A (enExample)
GB (1) GB1191719A (enExample)
NL (1) NL6616304A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116429250A (zh) * 2023-06-14 2023-07-14 深圳深浦电气有限公司 光电检测电路、光电检测方法和光电传感器

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3676686A (en) * 1970-07-24 1972-07-11 Instrumentation Specialties In High sensitivity light absorbance apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116429250A (zh) * 2023-06-14 2023-07-14 深圳深浦电气有限公司 光电检测电路、光电检测方法和光电传感器
CN116429250B (zh) * 2023-06-14 2023-10-13 深圳深浦电气有限公司 光电检测电路、光电检测方法和光电传感器

Also Published As

Publication number Publication date
BE705885A (enExample) 1968-03-01
FR1583727A (enExample) 1969-12-05
NL6616304A (enExample) 1968-05-20
DE1572695A1 (de) 1970-05-14
CH499773A (de) 1970-11-30

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees