IT950835B - Disposizione circuitale per compen sare fluttuazioni di luce in appa recchi fotoelettrici - Google Patents

Disposizione circuitale per compen sare fluttuazioni di luce in appa recchi fotoelettrici

Info

Publication number
IT950835B
IT950835B IT22490/72A IT2249072A IT950835B IT 950835 B IT950835 B IT 950835B IT 22490/72 A IT22490/72 A IT 22490/72A IT 2249072 A IT2249072 A IT 2249072A IT 950835 B IT950835 B IT 950835B
Authority
IT
Italy
Prior art keywords
recchi
sare
compen
appa
photoelectric
Prior art date
Application number
IT22490/72A
Other languages
English (en)
Original Assignee
Sick Erwin
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 Sick Erwin filed Critical Sick Erwin
Application granted granted Critical
Publication of IT950835B publication Critical patent/IT950835B/it

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)
IT22490/72A 1971-03-30 1972-03-28 Disposizione circuitale per compen sare fluttuazioni di luce in appa recchi fotoelettrici IT950835B (it)

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 (1)

Publication Number Publication Date
IT950835B true IT950835B (it) 1973-06-20

Family

ID=5803219

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22490/72A IT950835B (it) 1971-03-30 1972-03-28 Disposizione circuitale per compen sare fluttuazioni di luce in appa recchi fotoelettrici

Country Status (4)

Country Link
DE (1) DE2115317C3 (it)
FR (1) FR2132302B1 (it)
GB (1) GB1349494A (it)
IT (1) IT950835B (it)

Family Cites Families (5)

* 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
JPS404557Y1 (it) * 1959-11-02 1965-02-09
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

Also Published As

Publication number Publication date
FR2132302B1 (it) 1977-08-26
DE2115317A1 (de) 1972-10-26
DE2115317C3 (de) 1982-09-16
FR2132302A1 (it) 1972-11-17
GB1349494A (en) 1974-04-03
DE2115317B2 (de) 1977-10-27

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