IT1102903B - Fotometro - Google Patents

Fotometro

Info

Publication number
IT1102903B
IT1102903B IT04879/78A IT487978A IT1102903B IT 1102903 B IT1102903 B IT 1102903B IT 04879/78 A IT04879/78 A IT 04879/78A IT 487978 A IT487978 A IT 487978A IT 1102903 B IT1102903 B IT 1102903B
Authority
IT
Italy
Prior art keywords
photometer
Prior art date
Application number
IT04879/78A
Other languages
English (en)
Other versions
IT7804879A0 (it
Inventor
Franz Obertegger
Original Assignee
Durst Fabbrica Macchine Ed App
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 Fabbrica Macchine Ed App filed Critical Durst Fabbrica Macchine Ed App
Priority to IT04879/78A priority Critical patent/IT1102903B/it
Publication of IT7804879A0 publication Critical patent/IT7804879A0/it
Priority to DE7979103933T priority patent/DE2962581D1/de
Priority to EP79103933A priority patent/EP0012174B1/de
Priority to US06/102,176 priority patent/US4320976A/en
Application granted granted Critical
Publication of IT1102903B publication Critical patent/IT1102903B/it

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
    • G03B27/73—Controlling exposure by variation of spectral composition, e.g. multicolor printers
    • 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
    • G01J1/4209—Photoelectric exposure meters for determining the exposure time in recording or reproducing
    • G01J1/4219—Photoelectric exposure meters for determining the exposure time in recording or reproducing specially adapted for enlargers

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Microscoopes, Condenser (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Spectrometry And Color Measurement (AREA)
IT04879/78A 1978-12-01 1978-12-01 Fotometro IT1102903B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT04879/78A IT1102903B (it) 1978-12-01 1978-12-01 Fotometro
DE7979103933T DE2962581D1 (en) 1978-12-01 1979-10-12 Light measuring apparatus
EP79103933A EP0012174B1 (de) 1978-12-01 1979-10-12 Lichtmessgerät
US06/102,176 US4320976A (en) 1978-12-01 1979-12-10 Light measuring apparatus incorporating means for shielding light sensor for predetermined minimum time

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT04879/78A IT1102903B (it) 1978-12-01 1978-12-01 Fotometro

Publications (2)

Publication Number Publication Date
IT7804879A0 IT7804879A0 (it) 1978-12-01
IT1102903B true IT1102903B (it) 1985-10-14

Family

ID=11115487

Family Applications (1)

Application Number Title Priority Date Filing Date
IT04879/78A IT1102903B (it) 1978-12-01 1978-12-01 Fotometro

Country Status (4)

Country Link
US (1) US4320976A (it)
EP (1) EP0012174B1 (it)
DE (1) DE2962581D1 (it)
IT (1) IT1102903B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4774551A (en) * 1987-11-19 1988-09-27 Eastman Kodak Company Photographic printer
JP3807861B2 (ja) * 1998-12-02 2006-08-09 株式会社リコー 絞り装置およびシャッター装置
US10969573B2 (en) * 2016-03-24 2021-04-06 Max-Planck-Gesellschaft Zur Foerderung Der Wissenschaften E.V. Spatio-temporally light modulated imaging system, method for confocal imaging an object and carrier wheel device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3067649A (en) * 1959-04-13 1962-12-11 Welch Scient Company Light probe for photographic use
DE2331191C2 (de) * 1972-06-24 1984-06-07 Durst AG, Fabrik Fototechnischer Apparate, Bozen Lichtmeßgerät
US3984185A (en) * 1974-08-19 1976-10-05 Durst Ag Fabrik Fototechnischer Apparate Bozen Process and apparatus for filter value and exposure time determination in photographic color printing and enlarging

Also Published As

Publication number Publication date
EP0012174B1 (de) 1982-04-21
US4320976A (en) 1982-03-23
EP0012174A1 (de) 1980-06-25
IT7804879A0 (it) 1978-12-01
DE2962581D1 (en) 1982-06-03

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