FR1602078A - - Google Patents

Info

Publication number: FR1602078A
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.)

1968-09-30

Filing date

1968-12-30

Publication date

1970-10-05

1968-12-30 Application filed filed Critical

1970-10-05 Application granted granted Critical

1970-10-05 Publication of FR1602078A publication Critical patent/FR1602078A/fr

Status Expired legal-status Critical Current

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
- G03B7/16—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera
- 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
- G03B7/087—Analogue circuits for control of both exposure time and aperture
- 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
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/70—Exposure-making shutters; Diaphragms with flash-synchronising contacts

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Stroboscope Apparatuses (AREA)
Exposure Control For Cameras (AREA)

FR1602078D 1968-09-30 1968-12-30 Expired FR1602078A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE1797468A DE1797468C3 (de)	1968-09-30	1968-09-30	Blitzlichtsteuereinrichtung

Publications (1)

Publication Number	Publication Date
FR1602078A true FR1602078A (fr)	1970-10-05

Family

ID=5708661

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR1602078D Expired FR1602078A (fr)	1968-09-30	1968-12-30

Country Status (3)

Country	Link
US (1)	US3687029A (fr)
DE (1)	DE1797468C3 (fr)
FR (1)	FR1602078A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4035813A (en) *	1975-10-03	1977-07-12	Polaroid Corporation	Exposure control system for selectively determining exposure interval
JP2587890Y2 (ja) *	1992-11-10	1998-12-24	株式会社ニコン	電子閃光装置
ATE264702T1 (de) *	1995-06-06	2004-05-15	Vincent Chow	Retinal-implantat aus mehrphasigen mikrofotodioden

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3460451A (en) *	1966-03-05	1969-08-12	Prontor Werk Gauthier Gmbh	Photographic shutter with an electronic timing device
DE1497907A1 (de) *	1966-07-21	1969-03-27	Agfa Gevaert Ag	Fotografische Kamera mit einer Belichtungsmess- oder -steuervorrichtung und einem Blitzlichtgeraet
DE1522023A1 (de) *	1967-03-31	1969-06-26	Agfa Gevaert Ag	Fotografische Kamera mit einer eingebauten,ein Messwerk umfassenden Belichtungsmess-oder -steuervorrichtung

1968
- 1968-09-30 DE DE1797468A patent/DE1797468C3/de not_active Expired
- 1968-12-26 US US786913A patent/US3687029A/en not_active Expired - Lifetime
- 1968-12-30 FR FR1602078D patent/FR1602078A/fr not_active Expired

Also Published As

Publication number	Publication date
DE1797468A1 (de)	1970-12-17
US3687029A (en)	1972-08-29
DE1797468B2 (de)	1978-03-16
DE1797468C3 (de)	1978-11-02

Publication	Publication Date	Title
AU1946070A (fr)	1972-05-09
AU5506869A (fr)	1970-11-26
AU2374870A (fr)	1972-06-29
AU5184069A (fr)	1970-07-17
AU6168869A (fr)	1971-04-08
AU6171569A (fr)	1971-04-08
FR1602078A (fr)	1970-10-05
AU2581067A (fr)	1970-02-19
AU2952567A (fr)	1970-05-14
AU4811568A (fr)	1974-08-01
AR203075Q (fr)	1975-08-14
AU2580267A (fr)	1970-02-05
BE709496A (fr)	1968-07-17
BE709319A (fr)	1968-05-16
BE727285A (fr)	1969-07-01
BE727281A (fr)	1969-07-01
BE727028A (fr)	1969-07-01
BE726864A (fr)	1969-07-14
BE726856A (fr)	1969-06-16
BE726453A (fr)	1969-07-03
BE725950A (fr)	1969-06-23
BE725154A (fr)	1969-05-16
BE720001A (fr)	1969-02-03
AU5758767A (fr)	1970-03-26
BE727485A (fr)	1969-07-01

Legal Events

Date	Code	Title	Description
1979-02-16	ST	Notification of lapse