FR813465A - Photoelectric posometer - Google Patents

Photoelectric posometer

Info

Publication number
FR813465A
FR813465A FR813465DA FR813465A FR 813465 A FR813465 A FR 813465A FR 813465D A FR813465D A FR 813465DA FR 813465 A FR813465 A FR 813465A
Authority
FR
France
Prior art keywords
posometer
photoelectric
photoelectric posometer
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
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR813465A publication Critical patent/FR813465A/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
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • 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
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
    • G01J1/0437—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using masks, aperture plates, spatial light modulators, spatial filters, e.g. reflective filters
FR813465D 1935-12-31 1936-11-13 Photoelectric posometer Expired FR813465A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE813465X 1935-12-31

Publications (1)

Publication Number Publication Date
FR813465A true FR813465A (en) 1937-06-02

Family

ID=6733399

Family Applications (1)

Application Number Title Priority Date Filing Date
FR813465D Expired FR813465A (en) 1935-12-31 1936-11-13 Photoelectric posometer

Country Status (1)

Country Link
FR (1) FR813465A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE748255C (en) * 1939-06-13 1953-02-09 August Abel Electric light meter
DE1053923B (en) * 1952-04-16 1959-03-26 Andre Clement Coutant Photo device with built-in light meter for photographic and cinematographic recordings
US3049967A (en) * 1957-12-16 1962-08-21 Gen Aniline & Film Corp Color balance and density evaluation device
US3177762A (en) * 1962-06-20 1965-04-13 Asahi Optical Co Ltd Electric exposure meter capable of reading picture contrast
US3582666A (en) * 1968-10-18 1971-06-01 Erico Prod Inc Light beam alignment and photoelectric receiver apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE748255C (en) * 1939-06-13 1953-02-09 August Abel Electric light meter
DE1053923B (en) * 1952-04-16 1959-03-26 Andre Clement Coutant Photo device with built-in light meter for photographic and cinematographic recordings
US3049967A (en) * 1957-12-16 1962-08-21 Gen Aniline & Film Corp Color balance and density evaluation device
US3177762A (en) * 1962-06-20 1965-04-13 Asahi Optical Co Ltd Electric exposure meter capable of reading picture contrast
US3582666A (en) * 1968-10-18 1971-06-01 Erico Prod Inc Light beam alignment and photoelectric receiver apparatus

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