CH305767A - Photoelectric measuring device. - Google Patents

Photoelectric measuring device.

Info

Publication number
CH305767A
CH305767A CH305767DA CH305767A CH 305767 A CH305767 A CH 305767A CH 305767D A CH305767D A CH 305767DA CH 305767 A CH305767 A CH 305767A
Authority
CH
Switzerland
Prior art keywords
measuring device
photoelectric measuring
photoelectric
measuring
Prior art date
Application number
Other languages
German (de)
Inventor
Ag Weka
Original Assignee
Ag Weka
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 Ag Weka filed Critical Ag Weka
Publication of CH305767A publication Critical patent/CH305767A/en

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
CH305767D 1950-08-03 1950-08-03 Photoelectric measuring device. CH305767A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH305767T 1950-08-03

Publications (1)

Publication Number Publication Date
CH305767A true CH305767A (en) 1955-03-15

Family

ID=4492554

Family Applications (1)

Application Number Title Priority Date Filing Date
CH305767D CH305767A (en) 1950-08-03 1950-08-03 Photoelectric measuring device.

Country Status (1)

Country Link
CH (1) CH305767A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1122829B (en) * 1958-02-21 1962-01-25 Bell & Howell Co Automatic exposure regulator for photo cameras

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1122829B (en) * 1958-02-21 1962-01-25 Bell & Howell Co Automatic exposure regulator for photo cameras

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