FR883138A - Photographic lens shutter combined with a barrier layer photoelectric element - Google Patents

Photographic lens shutter combined with a barrier layer photoelectric element

Info

Publication number
FR883138A
FR883138A FR883138DA FR883138A FR 883138 A FR883138 A FR 883138A FR 883138D A FR883138D A FR 883138DA FR 883138 A FR883138 A FR 883138A
Authority
FR
France
Prior art keywords
barrier layer
photographic lens
photoelectric element
lens shutter
layer photoelectric
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 FR883138A publication Critical patent/FR883138A/en
Expired legal-status Critical Current

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
    • G03B7/099—Arrangement of photoelectric elements in or on the camera

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR883138D 1941-06-25 1942-06-16 Photographic lens shutter combined with a barrier layer photoelectric element Expired FR883138A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE883138X 1941-06-25

Publications (1)

Publication Number Publication Date
FR883138A true FR883138A (en) 1943-06-24

Family

ID=6831952

Family Applications (1)

Application Number Title Priority Date Filing Date
FR883138D Expired FR883138A (en) 1941-06-25 1942-06-16 Photographic lens shutter combined with a barrier layer photoelectric element

Country Status (1)

Country Link
FR (1) FR883138A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1166612B (en) * 1956-09-29 1964-03-26 Walter Herterich Rotary shutter for photoelectric cells for exposure measurement
DE1178696B (en) * 1955-02-14 1964-09-24 Gustav Maass Photographic camera with coupled exposure meter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1178696B (en) * 1955-02-14 1964-09-24 Gustav Maass Photographic camera with coupled exposure meter
DE1166612B (en) * 1956-09-29 1964-03-26 Walter Herterich Rotary shutter for photoelectric cells for exposure measurement

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