CH473383A - Elektronischer Belichtungsmesser - Google Patents

Elektronischer Belichtungsmesser

Info

Publication number
CH473383A
CH473383A CH1257867A CH1257867A CH473383A CH 473383 A CH473383 A CH 473383A CH 1257867 A CH1257867 A CH 1257867A CH 1257867 A CH1257867 A CH 1257867A CH 473383 A CH473383 A CH 473383A
Authority
CH
Switzerland
Prior art keywords
light meter
electronic light
electronic
meter
light
Prior art date
Application number
CH1257867A
Other languages
English (en)
Inventor
Schmitt Helmut
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
Publication of CH473383A publication Critical patent/CH473383A/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
    • G01J1/42—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)
CH1257867A 1967-06-06 1967-09-08 Elektronischer Belichtungsmesser CH473383A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG0050278 1967-06-06

Publications (1)

Publication Number Publication Date
CH473383A true CH473383A (de) 1969-05-31

Family

ID=7129292

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1257867A CH473383A (de) 1967-06-06 1967-09-08 Elektronischer Belichtungsmesser

Country Status (5)

Country Link
US (1) US3516750A (de)
AT (1) AT277611B (de)
CH (1) CH473383A (de)
DE (1) DE1572660B2 (de)
GB (1) GB1142536A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3671769A (en) * 1969-01-10 1972-06-20 Nippon Kogaku Kk Exposure measuring device
US4037232A (en) * 1970-07-31 1977-07-19 Agfa-Gevaert, A.G. Visual exposure indicator in photographic apparatus
GB1347130A (en) * 1970-12-03 1974-02-27 Hattori Tokeiten Kk Cameras
JPS5038332B1 (de) * 1971-05-04 1975-12-09
CH574618A5 (de) * 1973-12-11 1976-04-15 Bolex Int Sa

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1472663A1 (de) * 1964-10-27 1969-04-24 Yashica Co Ltd Automatischer Belichtungszeitregler mit Anzeige von Aufnahmehelligkeitsgrenzen
US3452656A (en) * 1964-10-31 1969-07-01 Zeiss Ikon Ag Photometer with photoelectric transformer

Also Published As

Publication number Publication date
AT277611B (de) 1969-12-29
DE1572660B2 (de) 1971-12-02
GB1142536A (en) 1969-02-12
US3516750A (en) 1970-06-23
DE1572660A1 (de) 1970-02-12

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Legal Events

Date Code Title Description
PL Patent ceased