JPS4996728A - - Google Patents
Info
- Publication number
- JPS4996728A JPS4996728A JP48126365A JP12636573A JPS4996728A JP S4996728 A JPS4996728 A JP S4996728A JP 48126365 A JP48126365 A JP 48126365A JP 12636573 A JP12636573 A JP 12636573A JP S4996728 A JPS4996728 A JP S4996728A
- 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.)
- Pending
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
- 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
- G03B7/085—Analogue circuits for control of 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
- G03B9/58—Means for varying duration of "open" period of shutter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Shutters For Cameras (AREA)
- Diaphragms For Cameras (AREA)
- Exposure Control For Cameras (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722255329 DE2255329C3 (de) | 1972-11-11 | 1972-11-11 | Photographischer blendenverschluss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4996728A true JPS4996728A (ja) | 1974-09-12 |
Family
ID=5861462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48126365A Pending JPS4996728A (ja) | 1972-11-11 | 1973-11-12 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3893134A (ja) |
| JP (1) | JPS4996728A (ja) |
| CA (1) | CA997955A (ja) |
| DE (1) | DE2255329C3 (ja) |
| FR (1) | FR2206861A5 (ja) |
| GB (1) | GB1420349A (ja) |
| HK (1) | HK68476A (ja) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4099188A (en) * | 1974-10-09 | 1978-07-04 | Asahi Kogaku Kogyo Kabushiki Kaisha | Automatic exposure control device for single lens reflex camera |
| US3995295A (en) * | 1975-08-28 | 1976-11-30 | Polaroid Corporation | Electro-mechanical shutter system having mechanical latch |
| US4032941A (en) * | 1975-08-28 | 1977-06-28 | Polaroid Corporation | Latched shutter system having automatic delay of latch reset |
| US4051497A (en) * | 1976-01-28 | 1977-09-27 | Eastman Kodak Company | Programmed exposure control apparatus |
| DE2704646A1 (de) * | 1976-02-09 | 1977-08-11 | Seiko Koki Kk | Kameraverschluss |
| US4358186A (en) * | 1979-12-31 | 1982-11-09 | Polaroid Corporation | Method and apparatus for controlling exposure by selective use of blocking visible filter |
| US4297016A (en) * | 1980-07-07 | 1981-10-27 | Polaroid Corporation | Scanning shutter blade arrangement with dynamic apertures for ambient and flash exposures |
| US4505563A (en) * | 1983-03-21 | 1985-03-19 | W. Haking Enterprises Limited | Electronic shutter for still cameras |
| US5096418A (en) * | 1990-07-05 | 1992-03-17 | Micro Motors, Inc. | Motorized dental handpiece with fiber optic illumination |
| US10440240B2 (en) | 2016-09-30 | 2019-10-08 | Sony Interactive Entertainment Inc. | Systems and methods for reducing an effect of occlusion of a tracker by people |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3362309A (en) * | 1965-03-08 | 1968-01-09 | Polaroid Corp | Exposure control apparatus |
| US3433138A (en) * | 1966-09-29 | 1969-03-18 | Polaroid Corp | Shutter control system for photographic apparatus |
| JPS4831253B1 (ja) * | 1968-11-06 | 1973-09-27 | ||
| US3620143A (en) * | 1968-12-16 | 1971-11-16 | Polaroid Corp | Automatic exposure control system with fast linear response |
| US3672267A (en) * | 1970-10-01 | 1972-06-27 | Eastman Kodak Co | Sequential control for camera diaphragm and shutter |
| US3714871A (en) * | 1971-09-13 | 1973-02-06 | Eastman Kodak Co | Camera apparatus adapted for operation with auxiliary light source |
-
1972
- 1972-11-11 DE DE19722255329 patent/DE2255329C3/de not_active Expired
-
1973
- 1973-11-07 US US413751A patent/US3893134A/en not_active Expired - Lifetime
- 1973-11-09 CA CA185,479A patent/CA997955A/en not_active Expired
- 1973-11-12 GB GB5232073A patent/GB1420349A/en not_active Expired
- 1973-11-12 FR FR7340057A patent/FR2206861A5/fr not_active Expired
- 1973-11-12 JP JP48126365A patent/JPS4996728A/ja active Pending
-
1976
- 1976-11-04 HK HK684/76*UA patent/HK68476A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HK68476A (en) | 1976-11-12 |
| DE2255329C3 (de) | 1977-11-17 |
| FR2206861A5 (ja) | 1974-06-07 |
| GB1420349A (en) | 1976-01-07 |
| CA997955A (en) | 1976-10-05 |
| DE2255329B2 (de) | 1975-08-28 |
| DE2255329A1 (de) | 1974-05-22 |
| US3893134A (en) | 1975-07-01 |