FR1593389A - - Google Patents

Info

Publication number: FR1593389A
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.)

1967-11-28

Filing date

1968-11-26

Publication date

1970-05-25

1968-11-26 Application filed filed Critical

1970-05-25 Application granted granted Critical

1970-05-25 Publication of FR1593389A publication Critical patent/FR1593389A/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
- G03B7/08—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
- G03B7/083—Analogue circuits for control of exposure time

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Exposure Control For Cameras (AREA)
Semiconductor Integrated Circuits (AREA)

FR1593389D 1967-11-28 1968-11-26 Expired FR1593389A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP42075897A JPS5025336B1 (fr)	1967-11-28	1967-11-28

Publications (1)

Publication Number	Publication Date
FR1593389A true FR1593389A (fr)	1970-05-25

Family

ID=13589558

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR1593389D Expired FR1593389A (fr)	1967-11-28	1968-11-26

Country Status (5)

Country	Link
US (1)	US3670637A (fr)
JP (1)	JPS5025336B1 (fr)
DE (1)	DE1809900C3 (fr)
FR (1)	FR1593389A (fr)
GB (1)	GB1254710A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2203072A1 (fr) *	1972-10-12	1974-05-10	Asahi Optical Co Ltd

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2029064C3 (de) *	1969-06-13	1975-03-06	Canon K.K., Tokio	Elektronische Schaltung für eine einäugige Spiegelreflexkamera mit Innenmessung
US3898675A (en) *	1969-10-28	1975-08-05	Nippon Kogaku Kk	Camera provided with electronic shutter of the type automatically controlling exposure time
NL7100888A (fr) *	1970-01-23	1971-07-27
US4040068A (en) *	1970-04-06	1977-08-02	Minolta Camera Kabushiki Kaisha	Exposure time control device for an electric shutter in a single reflex camera with through the lens measuring system
JPS4840090B1 (fr) *	1970-04-06	1973-11-28
US3756130A (en) *	1970-04-07	1973-09-04	Minolta Camera Kk	Exposure time control device in a through the lens type single reflex camera
USRE28942E (en) *	1970-04-07	1976-08-24	Minolta Camera Kabushiki Kaisha	Exposure time control device for a through the lens type single reflex camera
JPS48104529A (fr) *	1971-10-14	1973-12-27
GB1417990A (en) *	1971-11-24	1975-12-17	Matsushita Electric Ind Co Ltd	Explosure control system
JPS493585U (fr) *	1972-04-10	1974-01-12
JPS5331803Y2 (fr) *	1972-07-10	1978-08-08
US3907428A (en) *	1972-10-17	1975-09-23	Eskofot A S Industriparken	Reproduction camera having a control circuit for automatic regulation of the exposure time
JPS539527B2 (fr) *	1972-11-22	1978-04-06
JPS4977628A (fr) *	1972-11-29	1974-07-26
AT335198B (de) *	1972-12-01	1977-02-25	Reichert Optische Werke Ag	Einrichtung zur bestimmung der belichtungszeit fur ein photographisches aufnahmegerat
US3813540A (en) *	1973-03-26	1974-05-28	Ncr	Circuit for measuring and evaluating optical radiation
JPS5016933U (fr) *	1973-04-10	1975-02-22
JPS581403B2 (ja) *	1973-06-23	1983-01-11	ミノルタ株式会社	光起電力素子を用いた自動露出時間制御回路
JPS5611930B2 (fr) *	1973-10-09	1981-03-18
JPS50104646A (fr) *	1974-01-19	1975-08-18
US4099188A (en) *	1974-10-09	1978-07-04	Asahi Kogaku Kogyo Kabushiki Kaisha	Automatic exposure control device for single lens reflex camera
JPS5145530A (fr) *	1974-10-17	1976-04-19	Canon Kk
DE2620829C3 (de) *	1976-05-11	1982-03-18	Vetter, Werner, 7580 Bühl	Zeit-Blenden-Steuerung an photographischen Kameras
DE3728691A1 (de) *	1986-08-28	1988-03-10	Nissan Motor	Lichtempfindlicher positionssensor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1223693B (de) *	1963-11-19	1966-08-25	Compur Werk Gmbh & Co	Photographische Kamera mit einer Schalt-anordnung zur elektrischen Steuerung der Belichtungsdauer
US3324779A (en) *	1964-05-26	1967-06-13	Asahi Optical Co Ltd	Photoelectric time control shutter circuit for photographic camera
US3434403A (en) *	1964-11-06	1969-03-25	Agfa Gevaert Ag	Automatic exposure control circuit
DE1472635A1 (de) *	1965-03-26	1969-07-10	Gossen & Co Gmbh P	Schaltungsanordnung fuer elektronische Verschluesse
US3393604A (en) *	1965-08-13	1968-07-23	Gen Time Corp	Condition responsive process timer
US3470798A (en) *	1965-09-27	1969-10-07	Asahi Optical Co Ltd	Automatic exposure control system
US3533348A (en) *	1966-09-12	1970-10-13	Minolta Camera Kk	Electronic shutter and a circuit therefor
US3504603A (en) *	1967-08-24	1970-04-07	Us Army	Automatic exposure control system

1967
- 1967-11-28 JP JP42075897A patent/JPS5025336B1/ja active Pending
1968
- 1968-11-20 DE DE1809900A patent/DE1809900C3/de not_active Expired
- 1968-11-25 US US778433A patent/US3670637A/en not_active Expired - Lifetime
- 1968-11-26 FR FR1593389D patent/FR1593389A/fr not_active Expired
- 1968-11-28 GB GB56585/68A patent/GB1254710A/en not_active Expired

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2203072A1 (fr) *	1972-10-12	1974-05-10	Asahi Optical Co Ltd

Also Published As

Publication number	Publication date
DE1809900A1 (de)	1969-07-24
GB1254710A (en)	1971-11-24
JPS5025336B1 (fr)	1975-08-22
US3670637A (en)	1972-06-20
DE1809900B2 (de)	1974-10-10
DE1809900C3 (de)	1975-05-22

Publication	Publication Date	Title
AU425114B2 (fr)	1972-06-14
JPS5025336B1 (fr)	1975-08-22
AU416737B2 (fr)	1971-09-03
AU2277767A (fr)	1968-12-12
AU342066A (fr)	1968-09-19
AU610966A (fr)	1968-11-28
AU2977667A (fr)	1969-05-22
AU2116667A (fr)	1969-04-03
AU2256867A (fr)	1968-12-05
AU3189468A (fr)	1969-07-10
AU3151267A (fr)	1968-01-08
AU2528767A (fr)	1970-01-08
BE426053A (fr)
BE694327A (fr)	1967-07-31
BE710030A (fr)	1968-05-30
AU2406369A (fr)	1969-01-09
AU1868267A (fr)	1968-09-12
AU34866A (fr)	1968-07-04
AU408412B2 (fr)	1970-11-23
AU1763766A (fr)	1968-08-15
AU1677166A (fr)	1968-07-25
AU459699A (fr)	1975-04-10
AU1614766A (fr)	1968-07-11
BE709600A (fr)	1968-05-30
AU97666A (fr)	1968-08-01

FR1593389A - - Google Patents

Info

Links

Classifications

Landscapes

Applications Claiming Priority (1)

Publications (1)

Family

ID=13589558

Family Applications (1)

Country Status (5)

Cited By (1)

Families Citing this family (24)

Family Cites Families (8)

Cited By (1)

Also Published As

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