FR1570831A - - Google Patents

Info

Publication number
FR1570831A
FR1570831A FR1570831DA FR1570831A FR 1570831 A FR1570831 A FR 1570831A FR 1570831D A FR1570831D A FR 1570831DA FR 1570831 A FR1570831 A FR 1570831A
Authority
FR
France
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
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 filed Critical
Application granted granted Critical
Publication of FR1570831A publication Critical patent/FR1570831A/fr
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
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
    • G03B7/0997—Through the lens [TTL] measuring
    • G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Microscoopes, Condenser (AREA)
FR1570831D 1967-06-15 1968-06-11 Expired FR1570831A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL0056753 1967-06-15

Publications (1)

Publication Number Publication Date
FR1570831A true FR1570831A (fr) 1969-06-13

Family

ID=7278023

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1570831D Expired FR1570831A (fr) 1967-06-15 1968-06-11

Country Status (4)

Country Link
US (1) US3563150A (fr)
AT (1) AT283107B (fr)
DE (1) DE1597296A1 (fr)
FR (1) FR1570831A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7242498U (de) * 1972-11-18 1973-04-26 Hartmann & Braun Ag Strahlungsdetektor fuer zweistrahl-ultrarotgasanalysengeraete
US4474458A (en) * 1982-09-21 1984-10-02 Allied Industries, Inc. Photographic film printer
US6215586B1 (en) * 1999-05-25 2001-04-10 R.K.C. Technologies Inc. Active optical image enhancer for a microscope

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2351753A (en) * 1941-09-18 1944-06-20 Bausch & Lomb Photographic apparatus
US2749799A (en) * 1953-08-13 1956-06-12 Strem Thomas Photographic exposure timing device
GB782422A (en) * 1953-09-11 1957-09-04 Winkel G M B H R Photomicrographic device

Also Published As

Publication number Publication date
AT283107B (de) 1970-07-27
DE1597296A1 (de) 1970-04-23
US3563150A (en) 1971-02-16

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Legal Events

Date Code Title Description
ST Notification of lapse