[go: up one dir, main page]

FR1184023A - Exposure adjustment device for still cameras - Google Patents

Exposure adjustment device for still cameras

Info

Publication number
FR1184023A
FR1184023A FR1184023DA FR1184023A FR 1184023 A FR1184023 A FR 1184023A FR 1184023D A FR1184023D A FR 1184023DA FR 1184023 A FR1184023 A FR 1184023A
Authority
FR
France
Prior art keywords
adjustment device
still cameras
exposure adjustment
exposure
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.)
Bell and Howell Co
Original Assignee
Bell and Howell Co
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 Bell and Howell Co filed Critical Bell and Howell Co
Application granted granted Critical
Publication of FR1184023A publication Critical patent/FR1184023A/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)
FR1184023D 1957-08-13 1957-10-07 Exposure adjustment device for still cameras Expired FR1184023A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1184023XA 1957-08-13 1957-08-13

Publications (1)

Publication Number Publication Date
FR1184023A true FR1184023A (en) 1959-07-16

Family

ID=22378355

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1184023D Expired FR1184023A (en) 1957-08-13 1957-10-07 Exposure adjustment device for still cameras

Country Status (1)

Country Link
FR (1) FR1184023A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1166613B (en) * 1958-07-14 1964-03-26 Minnesota Mining & Mfg Automatic aperture regulator for photographic devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1166613B (en) * 1958-07-14 1964-03-26 Minnesota Mining & Mfg Automatic aperture regulator for photographic devices

Similar Documents

Publication Publication Date Title
FR1184023A (en) Exposure adjustment device for still cameras
FR1183918A (en) Exposure adjustment device for cameras
FR1314056A (en) Exposure adjustment device for still cameras
FR1183219A (en) Pneumatic exposure adjustment device for cameras
FR1321096A (en) Exposure adjustment device for still cameras
BE595528A (en) Adjustment device for cameras
FR1235043A (en) Viewfinder box for reflex cameras
FR1173975A (en) Device for adjusting exposure factors in cameras
FR1208587A (en) Shutter for reflex cameras
FR1210575A (en) Viewfinder for cameras
FR1183178A (en) Pneumatic exposure adjuster for cameras
FR1236859A (en) Diaphragm device for photographic or cinematographic cameras
FR1198635A (en) Viewfinder for cameras
FR1171260A (en) Objective Adjuster for Photographic Cameras
FR1183755A (en) Shutter for cameras
FR1195959A (en) Automatic exposure adjustment device for cameras
FR1172897A (en) Shutter blade for cameras
FR1238565A (en) Exposure counter for cameras
FR1335374A (en) Additional exposure device for cameras
FR1233253A (en) Rewinding device for photographic cameras
FR1185464A (en) Diaphragm calculating device for flashlamp cameras
FR1163747A (en) Device for photographic prints
FR1269925A (en) Reflex viewfinder device for photographic cameras
FR1223900A (en) Accessory device for cameras
FR1182549A (en) Back cover clasp for cameras