JPS50137534A - - Google Patents

Info

Publication number: JPS50137534A
Authority: JP; Japan
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.): Granted

Application number

JP4410174A

Other versions

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.)

1974-04-18

Filing date

1974-04-18

Publication date

1975-10-31

1974-04-18 Application filed filed Critical

1974-04-18 Priority to JP4410174A priority Critical patent/JPS5321857B2/ja

1975-04-11 Priority to GB1489875A priority patent/GB1510173A/en

1975-04-11 Priority to US05/567,231 priority patent/US3997905A/en

1975-04-18 Priority to DE2517294A priority patent/DE2517294C3/de

1975-10-31 Publication of JPS50137534A publication Critical patent/JPS50137534A/ja

1978-07-05 Publication of JPS5321857B2 publication Critical patent/JPS5321857B2/ja

Status 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
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/08—Shutters
- 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
- G03B7/091—Digital circuits
- G03B7/097—Digital 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
- G03B2217/00—Details of cameras or camera bodies; Accessories therefor
- G03B2217/005—Blur detection

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Shutters For Cameras (AREA)
Exposure Control For Cameras (AREA)
Shutter-Related Mechanisms (AREA)

JP4410174A 1974-04-18 1974-04-18 Expired JPS5321857B2 (ja)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
JP4410174A JPS5321857B2 (ja)	1974-04-18	1974-04-18
GB1489875A GB1510173A (en)	1974-04-18	1975-04-11	Optical shutters
US05/567,231 US3997905A (en)	1974-04-18	1975-04-11	Program-controlled shutter
DE2517294A DE2517294C3 (de)	1974-04-18	1975-04-18	Einrichtung zur Steuerung des Ein- und Ausscbaltens einer automatischen Belichtungssteuerung bei einer Kamera

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP4410174A JPS5321857B2 (ja)	1974-04-18	1974-04-18

Publications (2)

Publication Number	Publication Date
JPS50137534A true JPS50137534A (ja)	1975-10-31
JPS5321857B2 JPS5321857B2 (ja)	1978-07-05

Family

ID=12682214

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP4410174A Expired JPS5321857B2 (ja)	1974-04-18	1974-04-18

Country Status (4)

Country	Link
US (1)	US3997905A (ja)
JP (1)	JPS5321857B2 (ja)
DE (1)	DE2517294C3 (ja)
GB (1)	GB1510173A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS54102023U (ja) *	1979-01-18	1979-07-18
JPS60254027A (ja) *	1984-05-30	1985-12-14	Seiko Koki Kk	プログラムシヤツタの制御回路
JPH0380234A (ja) *	1990-02-01	1991-04-05	Seikosha Co Ltd	シャッタ用ステップモータの作動制御装置

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS51128527A (en) *	1975-04-30	1976-11-09	West Electric Co Ltd	Automatic exposure control camera
JPS54122124A (en) *	1978-03-16	1979-09-21	Asahi Optical Co Ltd	Program shutter gammer switching circuit
DE2816861A1 (de) *	1978-04-18	1979-10-31	Agfa Gevaert Ag	Blendenverschluss fuer eine fotografische kamera
DE2954241C2 (de) *	1978-04-21	1984-02-23	Copal Co. Ltd., Tokyo	Fehlbelichtungswarnvorrichtung fuer kameras mit einem programmierbaren elektrischen verschluss
JPS5820068Y2 (ja) *	1978-04-28	1983-04-25	日本軽金属株式会社	障子用ストツパ
DE2820989A1 (de) *	1978-05-12	1979-11-15	Agfa Gevaert Ag	Blendenverschluss fuer eine fotografische kamera
JPS5632823U (ja) *	1979-08-22	1981-03-31
JPS56153326A (en) *	1980-04-30	1981-11-27	Konishiroku Photo Ind Co Ltd	Aperture control method
JPS5745721A (en) *	1980-09-01	1982-03-15	Minolta Camera Co Ltd	Analog-to-digital converter
JP5273895B2 (ja) *	2004-09-29	2013-08-28	キヤノン株式会社	撮像装置及びレンズ装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3744385A (en) *	1971-12-29	1973-07-10	Polaroid Corp	Control system for photographic apparatus
AT325944B (de) *	1972-03-25	1975-11-10	Agfa Gevaert Ag	Photographische oder kinematographische kamera
US3882522A (en) *	1973-05-22	1975-05-06	Polaroid Corp	Non-cocking springless shutter developing two parameter exposure regulation

1974
- 1974-04-18 JP JP4410174A patent/JPS5321857B2/ja not_active Expired
1975
- 1975-04-11 GB GB1489875A patent/GB1510173A/en not_active Expired
- 1975-04-11 US US05/567,231 patent/US3997905A/en not_active Expired - Lifetime
- 1975-04-18 DE DE2517294A patent/DE2517294C3/de not_active Expired

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS54102023U (ja) *	1979-01-18	1979-07-18
JPS60254027A (ja) *	1984-05-30	1985-12-14	Seiko Koki Kk	プログラムシヤツタの制御回路
JPH0380234A (ja) *	1990-02-01	1991-04-05	Seikosha Co Ltd	シャッタ用ステップモータの作動制御装置
JPH0474693B2 (ja) *	1990-02-01	1992-11-26

Also Published As

Publication number	Publication date
DE2517294A1 (de)	1975-10-30
US3997905A (en)	1976-12-14
GB1510173A (en)	1978-05-10
JPS5321857B2 (ja)	1978-07-05
DE2517294C3 (de)	1979-10-31
DE2517294B2 (de)	1979-03-08

Publication	Publication Date	Title
FR2294930B1 (ja)	1978-05-12
JPS50108757A (ja)	1975-08-27
JPS5321857B2 (ja)	1978-07-05
JPS50139343A (ja)	1975-11-07
FR2318679B1 (ja)	1978-01-13
IN143231B (ja)	1977-10-22
JPS50109528A (ja)	1975-08-28
JPS50110783A (ja)	1975-09-01
AU7459574A (ja)	1976-04-29
FR2265382B1 (ja)	1980-06-27
FR2284776B1 (ja)	1982-11-12
AU7237274A (ja)	1974-11-14
FR2262843A1 (ja)	1975-09-26
JPS50109096U (ja)	1975-09-06
JPS50143921U (ja)	1975-11-27
CS166208B2 (ja)	1976-02-27
JPS50135989U (ja)	1975-11-08
JPS50113327U (ja)	1975-09-16
CS162427B1 (ja)	1975-07-15
AR198841Q (ja)	1974-07-24
BG20884A1 (ja)	1976-01-20
CH579333A5 (ja)	1976-08-31
CH576025A5 (ja)	1976-05-31
BG20660A1 (ja)	1975-12-20
BG20232A1 (ja)	1975-11-05