CH452347A - Photometer - Google Patents

Photometer

Info

Publication number
CH452347A
CH452347A CH259267A CH259267A CH452347A CH 452347 A CH452347 A CH 452347A CH 259267 A CH259267 A CH 259267A CH 259267 A CH259267 A CH 259267A CH 452347 A CH452347 A CH 452347A
Authority
CH
Switzerland
Prior art keywords
photometer
Prior art date
Application number
CH259267A
Other languages
French (fr)
Inventor
Prezzi Claudio
Odone Giovanni
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
Priority to CH259267A priority Critical patent/CH452347A/en
Priority to AT284767A priority patent/AT269633B/en
Priority to FR1564585D priority patent/FR1564585A/fr
Priority to DE19681622240 priority patent/DE1622240A1/en
Publication of CH452347A publication Critical patent/CH452347A/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
CH259267A 1967-02-22 1967-02-22 Photometer CH452347A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CH259267A CH452347A (en) 1967-02-22 1967-02-22 Photometer
AT284767A AT269633B (en) 1967-02-22 1967-03-23 Light meter
FR1564585D FR1564585A (en) 1967-02-22 1968-01-26
DE19681622240 DE1622240A1 (en) 1967-02-22 1968-02-02 Light meter

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
CH452347A true CH452347A (en) 1968-05-31

Family

ID=4237237

Family Applications (1)

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

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
FR1564585A (en) 1969-04-25
DE1622240A1 (en) 1970-10-29
AT269633B (en) 1969-03-25

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