AT276802B - Ablesevorrichtung fuer meszanordnungen mit zwei anzeigelampen - Google Patents

Ablesevorrichtung fuer meszanordnungen mit zwei anzeigelampen

Info

Publication number
AT276802B
AT276802B AT08182/68A AT818268A AT276802B AT 276802 B AT276802 B AT 276802B AT 08182/68 A AT08182/68 A AT 08182/68A AT 818268 A AT818268 A AT 818268A AT 276802 B AT276802 B AT 276802B
Authority
AT
Austria
Prior art keywords
mesz
arrangements
reading device
indicator lamps
lamps
Prior art date
Application number
AT08182/68A
Other languages
English (en)
Original Assignee
Gossen & Co Gmbh P
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 Gossen & Co Gmbh P filed Critical Gossen & Co Gmbh P
Application granted granted Critical
Publication of AT276802B publication Critical patent/AT276802B/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
    • G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
    • G01J1/22—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means
    • G01J1/24—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means using electric radiation detectors
    • 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
    • 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
    • G01J1/4214—Photoelectric exposure meters for determining the exposure time in recording or reproducing specially adapted for view-taking apparatus
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
AT08182/68A 1967-02-25 1967-09-15 Ablesevorrichtung fuer meszanordnungen mit zwei anzeigelampen AT276802B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG0049412 1967-02-25

Publications (1)

Publication Number Publication Date
AT276802B true AT276802B (de) 1969-12-10

Family

ID=7128971

Family Applications (2)

Application Number Title Priority Date Filing Date
AT843667A AT284501B (de) 1967-02-25 1967-09-15 Belichtungsmesser
AT08182/68A AT276802B (de) 1967-02-25 1967-09-15 Ablesevorrichtung fuer meszanordnungen mit zwei anzeigelampen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT843667A AT284501B (de) 1967-02-25 1967-09-15 Belichtungsmesser

Country Status (4)

Country Link
US (1) US3436158A (de)
AT (2) AT284501B (de)
CH (1) CH467445A (de)
GB (1) GB1159766A (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3581643A (en) * 1967-05-02 1971-06-01 Yashica Co Ltd Light measuring device
GB1258300A (de) * 1968-02-10 1971-12-30
GB1297012A (de) * 1969-02-06 1972-11-22
DE1935466C3 (de) * 1969-07-12 1973-07-05 Agfa Gevaert Ag Fotografische Kamera mit einer batteriegespeisten elektronischen Belichtungssteuereinrichtung
US3724955A (en) * 1970-07-07 1973-04-03 Yashica Co Ltd Discrimination circuit of physical quantities
US4037232A (en) * 1970-07-31 1977-07-19 Agfa-Gevaert, A.G. Visual exposure indicator in photographic apparatus
JPS4946916Y1 (de) * 1970-10-02 1974-12-23
US3820129A (en) 1971-06-01 1974-06-25 Canon Kk Focusing device for optical instruments
JPS4962483U (de) * 1972-09-13 1974-05-31
US3810144A (en) * 1973-01-10 1974-05-07 Raymond Lee Organization Inc Low voltage warning system
US3994595A (en) * 1973-07-23 1976-11-30 Asahi Kogaku Kogyo Kabushiki Kaisha Systems for statically determining brightness characteristics of an area to be photographed
JPS5834424Y2 (ja) * 1973-09-06 1983-08-02 京セラ株式会社 デンキシヤツタカイロ
CH574618A5 (de) * 1973-12-11 1976-04-15 Bolex Int Sa
JPH0538341Y2 (de) * 1987-12-25 1993-09-28

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE21210E (en) * 1939-09-19 Appabatus fob automatically deter
US2661650A (en) * 1949-03-17 1953-12-08 Gen Electric Method for measuring visibility
US2915938A (en) * 1956-02-27 1959-12-08 Leonard A Hughes Electronic colorimeter
GB997047A (en) * 1963-04-26 1965-06-30 Mullard Ltd Improvements in or relating to devices for measuring the intensity of illumination
US3323430A (en) * 1964-04-13 1967-06-06 Polaroid Corp Nonuniformly illuminated comparison photometer
US3397629A (en) * 1964-06-20 1968-08-20 Citizen Watch Co Ltd Photographic light control means

Also Published As

Publication number Publication date
US3436158A (en) 1969-04-01
CH467445A (de) 1969-01-15
AT284501B (de) 1970-09-25
GB1159766A (en) 1969-07-30

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee