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AT330481B - Wechsellicht-photometer, insbesondere einstrahlphotometer - Google Patents

Wechsellicht-photometer, insbesondere einstrahlphotometer

Info

Publication number
AT330481B
AT330481B AT822274A AT822274A AT330481B AT 330481 B AT330481 B AT 330481B AT 822274 A AT822274 A AT 822274A AT 822274 A AT822274 A AT 822274A AT 330481 B AT330481 B AT 330481B
Authority
AT
Austria
Prior art keywords
photometers
particular single
alternating light
alternating
beam photometers
Prior art date
Application number
AT822274A
Other languages
English (en)
Other versions
ATA822274A (de
Inventor
Alfred Ing Steinbatz
Original Assignee
Reichert Optische Werke 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
Application filed by Reichert Optische Werke Ag filed Critical Reichert Optische Werke Ag
Priority to AT822274A priority Critical patent/AT330481B/de
Priority to DE2540511A priority patent/DE2540511C3/de
Publication of ATA822274A publication Critical patent/ATA822274A/de
Priority to US05/626,672 priority patent/US4027981A/en
Application granted granted Critical
Publication of AT330481B publication Critical patent/AT330481B/de

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
    • G01J1/10—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Spectrometry And Color Measurement (AREA)
AT822274A 1974-10-14 1974-10-14 Wechsellicht-photometer, insbesondere einstrahlphotometer AT330481B (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT822274A AT330481B (de) 1974-10-14 1974-10-14 Wechsellicht-photometer, insbesondere einstrahlphotometer
DE2540511A DE2540511C3 (de) 1974-10-14 1975-09-11 Photometer
US05/626,672 US4027981A (en) 1974-10-14 1975-10-28 Storage circuit for photometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT822274A AT330481B (de) 1974-10-14 1974-10-14 Wechsellicht-photometer, insbesondere einstrahlphotometer

Publications (2)

Publication Number Publication Date
ATA822274A ATA822274A (de) 1975-09-15
AT330481B true AT330481B (de) 1976-07-12

Family

ID=3603599

Family Applications (1)

Application Number Title Priority Date Filing Date
AT822274A AT330481B (de) 1974-10-14 1974-10-14 Wechsellicht-photometer, insbesondere einstrahlphotometer

Country Status (3)

Country Link
US (1) US4027981A (de)
AT (1) AT330481B (de)
DE (1) DE2540511C3 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4201477A (en) * 1978-01-16 1980-05-06 Fmc Corporation Suspended solids meter
FR2448145A2 (fr) * 1979-02-05 1980-08-29 Oreal Appareil destine a reperer la quantite de sebum secretee par une peau
FR2480461B1 (fr) * 1980-04-09 1986-09-26 Oreal Appareil destine au reperage par classes de la quantite de produits gras se trouvant a la surface d'une peau
DE3503163C1 (de) * 1985-01-31 1986-04-30 C. Reichert Optische Werke Ag, Wien Mikroskop-Photometer
US4893934A (en) * 1988-01-25 1990-01-16 The United States Of America As Represented By The United States Department Of Energy Aethalometer
DE3823007A1 (de) * 1988-07-07 1990-01-11 Telefunken Electronic Gmbh Optischer sensor
US6050656A (en) * 1997-10-23 2000-04-18 University Of North Carolina At Charlotte Optical based opacity and flow monitoring system and method of monitoring opacity and flow
DE102013218045B4 (de) * 2013-09-10 2016-06-30 Berthold Technologies Gmbh & Co. Kg Radiometrisches Messgerät und radiometrisches Messsystem

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3684378A (en) * 1970-09-04 1972-08-15 Joseph S Lord Dark current correction circuit for photosensing devices
US3877812A (en) * 1973-01-31 1975-04-15 Wilks Scientific Corp Multiple wavelength spectrometer
JPS509485A (de) * 1973-05-23 1975-01-30
US3917957A (en) * 1974-10-21 1975-11-04 Contraves Goerz Corp Transmissometer

Also Published As

Publication number Publication date
DE2540511B2 (de) 1977-02-24
US4027981A (en) 1977-06-07
DE2540511C3 (de) 1979-07-05
DE2540511A1 (de) 1976-04-15
ATA822274A (de) 1975-09-15

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