JPH01103829U - - Google Patents
Info
- Publication number
- JPH01103829U JPH01103829U JP1987198972U JP19897287U JPH01103829U JP H01103829 U JPH01103829 U JP H01103829U JP 1987198972 U JP1987198972 U JP 1987198972U JP 19897287 U JP19897287 U JP 19897287U JP H01103829 U JPH01103829 U JP H01103829U
- Authority
- JP
- Japan
- Prior art keywords
- shutter
- shutter opening
- opened
- drive motor
- lens reflex
- Prior art date
- 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.)
- Pending
Links
- 230000011514 reflex Effects 0.000 claims description 4
- 230000004044 response Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
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
- G03B7/091—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
- 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
- G03B7/10—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 a servo-motor providing energy to move the setting member
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Shutters For Cameras (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987198972U JPH01103829U (US20110009641A1-20110113-C00185.png) | 1987-12-28 | 1987-12-28 | |
| US07/286,995 US5172158A (en) | 1987-12-28 | 1988-12-20 | Shutter for a single lens reflex camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987198972U JPH01103829U (US20110009641A1-20110113-C00185.png) | 1987-12-28 | 1987-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01103829U true JPH01103829U (US20110009641A1-20110113-C00185.png) | 1989-07-13 |
Family
ID=16399991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987198972U Pending JPH01103829U (US20110009641A1-20110113-C00185.png) | 1987-12-28 | 1987-12-28 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US5172158A (US20110009641A1-20110113-C00185.png) |
| JP (1) | JPH01103829U (US20110009641A1-20110113-C00185.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001183718A (ja) * | 1999-12-24 | 2001-07-06 | Nidec Copal Corp | デジタルカメラ用シャッタ |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5794085A (en) * | 1996-01-26 | 1998-08-11 | Asahi Kogaku Kogyo Kabushiki Kaisha | Exposure controlling device for camera |
| US5999752A (en) * | 1997-06-05 | 1999-12-07 | Minolta Co., Ltd. | Exposure controller for use in a camera |
| US7708478B2 (en) * | 2006-04-13 | 2010-05-04 | Nokia Corporation | Actuator mechanism and a shutter mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5695227A (en) * | 1979-12-28 | 1981-08-01 | Olympus Optical Co Ltd | Programmed lens shutter for single lens-reflex camera |
| JPS5717935A (en) * | 1980-07-07 | 1982-01-29 | Canon Inc | Focal plane shutter device |
| JPS59229535A (ja) * | 1984-05-16 | 1984-12-24 | Canon Inc | 電磁駆動シヤツタ− |
| JPS6360131B2 (US20110009641A1-20110113-C00185.png) * | 1984-02-10 | 1988-11-22 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3903528A (en) * | 1973-05-22 | 1975-09-02 | Polaroid Corp | Exposure control system for photographic apparatus |
| US3952312A (en) * | 1974-12-20 | 1976-04-20 | Polaroid Corporation | Exposure control system for photographic apparatus |
| US4176929A (en) * | 1977-06-21 | 1979-12-04 | Canon Kabushiki Kaisha | Exposure control device for a camera |
| US4494846A (en) * | 1981-10-27 | 1985-01-22 | Copal Company Limited | Electromagnetic shutter |
-
1987
- 1987-12-28 JP JP1987198972U patent/JPH01103829U/ja active Pending
-
1988
- 1988-12-20 US US07/286,995 patent/US5172158A/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5695227A (en) * | 1979-12-28 | 1981-08-01 | Olympus Optical Co Ltd | Programmed lens shutter for single lens-reflex camera |
| JPS5717935A (en) * | 1980-07-07 | 1982-01-29 | Canon Inc | Focal plane shutter device |
| JPS6360131B2 (US20110009641A1-20110113-C00185.png) * | 1984-02-10 | 1988-11-22 | ||
| JPS59229535A (ja) * | 1984-05-16 | 1984-12-24 | Canon Inc | 電磁駆動シヤツタ− |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001183718A (ja) * | 1999-12-24 | 2001-07-06 | Nidec Copal Corp | デジタルカメラ用シャッタ |
| JP4533485B2 (ja) * | 1999-12-24 | 2010-09-01 | 日本電産コパル株式会社 | デジタルカメラ用シャッタ |
Also Published As
| Publication number | Publication date |
|---|---|
| US5172158A (en) | 1992-12-15 |
