IT1048562B - Circuito di misura per un fotometro - Google Patents

Circuito di misura per un fotometro

Info

Publication number
IT1048562B
IT1048562B IT04849/75A IT484975A IT1048562B IT 1048562 B IT1048562 B IT 1048562B IT 04849/75 A IT04849/75 A IT 04849/75A IT 484975 A IT484975 A IT 484975A IT 1048562 B IT1048562 B IT 1048562B
Authority
IT
Italy
Prior art keywords
photometer
measuring circuit
measuring
circuit
Prior art date
Application number
IT04849/75A
Other languages
English (en)
Inventor
A Vinatzer
Original Assignee
Durst 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 Durst Ag filed Critical Durst Ag
Priority to IT04849/75A priority Critical patent/IT1048562B/it
Priority to DE19762611094 priority patent/DE2611094A1/de
Priority to US05/728,847 priority patent/US4087186A/en
Priority to CH1298876A priority patent/CH599543A5/xx
Priority to GB43117/76A priority patent/GB1563127A/en
Application granted granted Critical
Publication of IT1048562B publication Critical patent/IT1048562B/it

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
    • G01J1/18—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors using comparison with a reference electric value

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Amplifiers (AREA)
IT04849/75A 1975-10-16 1975-10-16 Circuito di misura per un fotometro IT1048562B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT04849/75A IT1048562B (it) 1975-10-16 1975-10-16 Circuito di misura per un fotometro
DE19762611094 DE2611094A1 (de) 1975-10-16 1976-03-16 Schaltungsanordnung fuer ein lichtmessgeraet
US05/728,847 US4087186A (en) 1975-10-16 1976-10-01 Light measuring circuit for a photometer
CH1298876A CH599543A5 (it) 1975-10-16 1976-10-14
GB43117/76A GB1563127A (en) 1975-10-16 1976-10-18 Light meters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT04849/75A IT1048562B (it) 1975-10-16 1975-10-16 Circuito di misura per un fotometro

Publications (1)

Publication Number Publication Date
IT1048562B true IT1048562B (it) 1980-12-20

Family

ID=11114971

Family Applications (1)

Application Number Title Priority Date Filing Date
IT04849/75A IT1048562B (it) 1975-10-16 1975-10-16 Circuito di misura per un fotometro

Country Status (5)

Country Link
US (1) US4087186A (it)
CH (1) CH599543A5 (it)
DE (1) DE2611094A1 (it)
GB (1) GB1563127A (it)
IT (1) IT1048562B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4201472A (en) * 1977-04-04 1980-05-06 Hitachi, Ltd. Apparatus for converting light signals into digital electrical signals
GR70063B (it) * 1979-09-24 1982-07-26 Pfizer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2331191C2 (de) * 1972-06-24 1984-06-07 Durst AG, Fabrik Fototechnischer Apparate, Bozen Lichtmeßgerät

Also Published As

Publication number Publication date
CH599543A5 (it) 1978-05-31
US4087186A (en) 1978-05-02
GB1563127A (en) 1980-03-19
DE2611094A1 (de) 1977-04-21

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