FR1511411A - Photometric device - Google Patents

Photometric device

Info

Publication number
FR1511411A
FR1511411A FR94972A FR94972A FR1511411A FR 1511411 A FR1511411 A FR 1511411A FR 94972 A FR94972 A FR 94972A FR 94972 A FR94972 A FR 94972A FR 1511411 A FR1511411 A FR 1511411A
Authority
FR
France
Prior art keywords
photometric device
photometric
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR94972A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Czech Academy of Sciences CAS
Original Assignee
Czech Academy of Sciences CAS
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 Czech Academy of Sciences CAS filed Critical Czech Academy of Sciences CAS
Application granted granted Critical
Publication of FR1511411A publication Critical patent/FR1511411A/en
Expired legal-status Critical Current

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
    • 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
    • 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
    • G01J1/1626—Arrangements with two photodetectors, the signals of which are compared
FR94972A 1966-02-16 1967-02-15 Photometric device Expired FR1511411A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS101866 1966-02-16

Publications (1)

Publication Number Publication Date
FR1511411A true FR1511411A (en) 1968-01-26

Family

ID=5343473

Family Applications (1)

Application Number Title Priority Date Filing Date
FR94972A Expired FR1511411A (en) 1966-02-16 1967-02-15 Photometric device

Country Status (5)

Country Link
AT (1) AT290163B (en)
BE (1) BE694077A (en)
CH (1) CH470665A (en)
DE (1) DE1547234A1 (en)
FR (1) FR1511411A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582664A (en) * 1968-01-15 1971-06-01 Jiri Hrdina Compensated photoelectric measurement of fluids

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767624C (en) * 1938-05-21 1953-03-02 Lorenz C Ag Process for generating and sending secret multiple-alphabet telegrams

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582664A (en) * 1968-01-15 1971-06-01 Jiri Hrdina Compensated photoelectric measurement of fluids

Also Published As

Publication number Publication date
BE694077A (en) 1967-08-16
CH470665A (en) 1969-03-31
AT290163B (en) 1971-05-25
DE1547234A1 (en) 1970-01-15

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