AT269633B - Light meter - Google Patents

Light meter

Info

Publication number
AT269633B
AT269633B AT284767A AT284767A AT269633B AT 269633 B AT269633 B AT 269633B AT 284767 A AT284767 A AT 284767A AT 284767 A AT284767 A AT 284767A AT 269633 B AT269633 B AT 269633B
Authority
AT
Austria
Prior art keywords
light meter
meter
light
Prior art date
Application number
AT284767A
Other languages
German (de)
Original Assignee
Paillard Sa
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 Paillard Sa filed Critical Paillard Sa
Application granted granted Critical
Publication of AT269633B publication Critical patent/AT269633B/en

Links

Classifications

    • 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
    • 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
    • G03B7/081—Analogue circuits
    • G03B7/085—Analogue circuits for control of aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Stopping Of Electric Motors (AREA)
AT284767A 1967-02-22 1967-03-23 Light meter AT269633B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH259267A CH452347A (en) 1967-02-22 1967-02-22 Photometer

Publications (1)

Publication Number Publication Date
AT269633B true AT269633B (en) 1969-03-25

Family

ID=4237237

Family Applications (1)

Application Number Title Priority Date Filing Date
AT284767A AT269633B (en) 1967-02-22 1967-03-23 Light meter

Country Status (4)

Country Link
AT (1) AT269633B (en)
CH (1) CH452347A (en)
DE (1) DE1622240A1 (en)
FR (1) FR1564585A (en)

Also Published As

Publication number Publication date
DE1622240A1 (en) 1970-10-29
CH452347A (en) 1968-05-31
FR1564585A (en) 1969-04-25

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