FR822377A - Improvements to cameras - Google Patents

Improvements to cameras

Info

Publication number
FR822377A
FR822377A FR822377DA FR822377A FR 822377 A FR822377 A FR 822377A FR 822377D A FR822377D A FR 822377DA FR 822377 A FR822377 A FR 822377A
Authority
FR
France
Prior art keywords
cameras
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR822377A publication Critical patent/FR822377A/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
    • G03B7/081—Analogue circuits
    • G03B7/085—Analogue circuits for control of aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR822377D 1936-09-01 1936-09-01 Improvements to cameras Expired FR822377A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR822377T 1936-09-01

Publications (1)

Publication Number Publication Date
FR822377A true FR822377A (en) 1937-12-29

Family

ID=9280860

Family Applications (1)

Application Number Title Priority Date Filing Date
FR822377D Expired FR822377A (en) 1936-09-01 1936-09-01 Improvements to cameras

Country Status (1)

Country Link
FR (1) FR822377A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1043802B (en) * 1954-02-04 1958-11-13 Robot Berning & Co Device for setting an exposure factor for photographic layers
DE1085033B (en) * 1955-01-29 1960-07-07 Voigtlaender Ag Photographic camera with coupling devices for lens aperture, exposure time and film speed
DE1109519B (en) * 1958-08-21 1961-06-22 Wirgin Kamerawerk Geb Automatic exposure regulator for photographic cameras
DE1111012B (en) * 1955-11-25 1961-07-13 Gauthier Gmbh A Photographic camera with lens shutter and interchangeable lens
DE1115126B (en) * 1955-03-04 1961-10-12 Voigtlaender Ag Photographic camera with electric exposure meter and automatic exposure value adjustment controlled by this
US3073233A (en) * 1959-03-26 1963-01-15 Leitz Ernst Gmbh Camera with automatic exposure and diaphragm control
DE1159264B (en) * 1959-04-30 1963-12-12 Leitz Ernst Gmbh Photographic camera with automatic exposure control
DE1175983B (en) * 1962-01-02 1964-08-13 Elbe Kamera Gmbh Exposure setting device for photo-taking devices
FR2795112A1 (en) 1999-06-21 2000-12-22 Lauragais Tuileries Briq Tiles for border of roof comprises border tile, and covering tile, with running tile having ribs placed next to boss so as to allow drainage of water

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1043802B (en) * 1954-02-04 1958-11-13 Robot Berning & Co Device for setting an exposure factor for photographic layers
DE1085033B (en) * 1955-01-29 1960-07-07 Voigtlaender Ag Photographic camera with coupling devices for lens aperture, exposure time and film speed
DE1115126B (en) * 1955-03-04 1961-10-12 Voigtlaender Ag Photographic camera with electric exposure meter and automatic exposure value adjustment controlled by this
DE1111012B (en) * 1955-11-25 1961-07-13 Gauthier Gmbh A Photographic camera with lens shutter and interchangeable lens
DE1109519B (en) * 1958-08-21 1961-06-22 Wirgin Kamerawerk Geb Automatic exposure regulator for photographic cameras
US3073233A (en) * 1959-03-26 1963-01-15 Leitz Ernst Gmbh Camera with automatic exposure and diaphragm control
DE1159264B (en) * 1959-04-30 1963-12-12 Leitz Ernst Gmbh Photographic camera with automatic exposure control
DE1175983B (en) * 1962-01-02 1964-08-13 Elbe Kamera Gmbh Exposure setting device for photo-taking devices
FR2795112A1 (en) 1999-06-21 2000-12-22 Lauragais Tuileries Briq Tiles for border of roof comprises border tile, and covering tile, with running tile having ribs placed next to boss so as to allow drainage of water

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