JPS50137534A - - Google Patents
Info
- Publication number
- JPS50137534A JPS50137534A JP4410174A JP4410174A JPS50137534A JP S50137534 A JPS50137534 A JP S50137534A JP 4410174 A JP4410174 A JP 4410174A JP 4410174 A JP4410174 A JP 4410174A JP S50137534 A JPS50137534 A JP S50137534A
- 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
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)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4410174A JPS5321857B2 (US20080094685A1-20080424-C00004.png) | 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 (US20080094685A1-20080424-C00004.png) | 1974-04-18 | 1974-04-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50137534A true JPS50137534A (US20080094685A1-20080424-C00004.png) | 1975-10-31 |
| JPS5321857B2 JPS5321857B2 (US20080094685A1-20080424-C00004.png) | 1978-07-05 |
Family
ID=12682214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4410174A Expired JPS5321857B2 (US20080094685A1-20080424-C00004.png) | 1974-04-18 | 1974-04-18 |
Country Status (4)
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54102023U (US20080094685A1-20080424-C00004.png) * | 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)
| 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 |
| DE2954240C2 (de) * | 1978-04-21 | 1985-08-14 | Copal Co. Ltd., Tokio/Tokyo | Belichtungssteuereinrichtung für 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 (US20080094685A1-20080424-C00004.png) * | 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)
| 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 US US05/567,231 patent/US3997905A/en not_active Expired - Lifetime
- 1975-04-11 GB GB1489875A patent/GB1510173A/en not_active Expired
- 1975-04-18 DE DE2517294A patent/DE2517294C3/de not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54102023U (US20080094685A1-20080424-C00004.png) * | 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 (US20080094685A1-20080424-C00004.png) * | 1990-02-01 | 1992-11-26 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5321857B2 (US20080094685A1-20080424-C00004.png) | 1978-07-05 |
| DE2517294B2 (de) | 1979-03-08 |
| DE2517294A1 (de) | 1975-10-30 |
| GB1510173A (en) | 1978-05-10 |
| DE2517294C3 (de) | 1979-10-31 |
| US3997905A (en) | 1976-12-14 |
