FR2132302A1 - - Google Patents

Info

Publication number
FR2132302A1
FR2132302A1 FR7211393A FR7211393A FR2132302A1 FR 2132302 A1 FR2132302 A1 FR 2132302A1 FR 7211393 A FR7211393 A FR 7211393A FR 7211393 A FR7211393 A FR 7211393A FR 2132302 A1 FR2132302 A1 FR 2132302A1
Authority
FR
France
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.)
Granted
Application number
FR7211393A
Other languages
French (fr)
Other versions
FR2132302B1 (no
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.)
Erwin Sick GmbH Optik Elektronik
Original Assignee
Erwin Sick GmbH Optik Elektronik
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 Erwin Sick GmbH Optik Elektronik filed Critical Erwin Sick GmbH Optik Elektronik
Publication of FR2132302A1 publication Critical patent/FR2132302A1/fr
Application granted granted Critical
Publication of FR2132302B1 publication Critical patent/FR2132302B1/fr
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
    • G01J1/1626—Arrangements with two photodetectors, the signals of which are compared
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
FR7211393A 1971-03-30 1972-03-27 Expired FR2132302B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2115317A DE2115317C3 (de) 1971-03-30 1971-03-30 Schaltungsanordnung zur Kompensation von Lichtschwankungen einer Signallampe bei photoelektrischen Geräten

Publications (2)

Publication Number Publication Date
FR2132302A1 true FR2132302A1 (no) 1972-11-17
FR2132302B1 FR2132302B1 (no) 1977-08-26

Family

ID=5803219

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7211393A Expired FR2132302B1 (no) 1971-03-30 1972-03-27

Country Status (4)

Country Link
DE (1) DE2115317C3 (no)
FR (1) FR2132302B1 (no)
GB (1) GB1349494A (no)
IT (1) IT950835B (no)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB912310A (en) * 1959-11-02 1962-12-05 Gen Electric Photoelectric device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2420058A (en) * 1945-01-18 1947-05-06 Gen Aniline & Film Corp Compensated photoelectric photometer circuits
CH444964A (de) * 1965-10-02 1967-10-15 Oerlikon Buehrle Holding Ag Anordnung zur Kompensation veränderlicher Störeinflüsse auf eine strahlungselektrische Mess- oder Steuerstrecke
AT267680B (de) * 1966-11-23 1969-01-10 Elin Union Ag Steuerschaltung für Beleuchtungsregelung
DE1914893B2 (de) * 1968-08-20 1972-12-21 Landis & Gyr Ag, Zug (Schweiz) Schaltungsanordnung zur temperaturkompensation bei einem rundsteuerempfaenger

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB912310A (en) * 1959-11-02 1962-12-05 Gen Electric Photoelectric device

Also Published As

Publication number Publication date
DE2115317C3 (de) 1982-09-16
IT950835B (it) 1973-06-20
GB1349494A (en) 1974-04-03
DE2115317A1 (de) 1972-10-26
DE2115317B2 (de) 1977-10-27
FR2132302B1 (no) 1977-08-26

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse