JPS5312599Y2 - - Google Patents
Info
- Publication number
- JPS5312599Y2 JPS5312599Y2 JP1972109495U JP10949572U JPS5312599Y2 JP S5312599 Y2 JPS5312599 Y2 JP S5312599Y2 JP 1972109495 U JP1972109495 U JP 1972109495U JP 10949572 U JP10949572 U JP 10949572U JP S5312599 Y2 JPS5312599 Y2 JP S5312599Y2
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/44—Electric circuits
- G01J1/46—Electric circuits using a capacitor
-
- 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)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Exposure Control For Cameras (AREA)
- Indication In Cameras, And Counting Of Exposures (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1972109495U JPS5312599Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-09-22 | 1972-09-22 | |
| GB4225473A GB1378729A (en) | 1972-09-22 | 1973-09-07 | Exposure meters |
| DE19732346245 DE2346245A1 (de) | 1972-09-22 | 1973-09-13 | Schaltungsanordnung fuer photoelektrische belichtungsmesser |
| US398810A US3879137A (en) | 1972-09-22 | 1973-09-19 | Control circuit for an exposure meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1972109495U JPS5312599Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-09-22 | 1972-09-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4967633U JPS4967633U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-06-13 |
| JPS5312599Y2 true JPS5312599Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-04-05 |
Family
ID=14511689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1972109495U Expired JPS5312599Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-09-22 | 1972-09-22 |
Country Status (4)
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2461342C3 (de) * | 1974-12-24 | 1978-09-28 | Kodak Ag, 7000 Stuttgart | Batterieprufeinrichtung und ihre Verwendung |
| US4174893A (en) * | 1977-12-14 | 1979-11-20 | Polaroid Corporation | Exposure control system for use in photographic camera apparatus |
| JPS54145526A (en) * | 1978-05-04 | 1979-11-13 | Olympus Optical Co Ltd | Camera information display device |
| US4242605A (en) * | 1978-05-22 | 1980-12-30 | Motorola, Inc. | Transient array drive for bipolar ROM/PROM |
| JPS54156529A (en) * | 1978-05-31 | 1979-12-10 | Nippon Chemical Ind | Camera power supply circuit |
| JPS5557830A (en) * | 1978-10-23 | 1980-04-30 | Canon Inc | Power supply holding device of camera |
| US4540262A (en) * | 1982-03-05 | 1985-09-10 | Minolta Camera | Camera accessory with data producer |
| US4575680A (en) * | 1983-04-18 | 1986-03-11 | Gold Kenneth S | Battery condition indicator and on-off relay circuit |
| US4509846A (en) * | 1983-04-21 | 1985-04-09 | Minolta Camera Kabushiki Kaisha | Camera system |
| US4636056A (en) * | 1983-10-06 | 1987-01-13 | Canon Kabushiki Kaisha | Electrical power supply circuit in a camera |
| JPH0820664B2 (ja) * | 1983-12-27 | 1996-03-04 | 株式会社ニコン | 自動露出制御カメラ |
| GB9213737D0 (en) * | 1992-06-29 | 1992-08-12 | Nycomed Pharma As | Light measurement |
| US6486718B1 (en) * | 2001-05-21 | 2002-11-26 | Roche Diagnostics Corporation | Microprocessor self-power down circuit |
| US20110316609A1 (en) * | 2008-07-28 | 2011-12-29 | Ivus Industries, Llc | Bipolar junction transistor turn on-off power circuit |
| US20100019829A1 (en) * | 2008-07-28 | 2010-01-28 | Cegnar Erik J | Turn on-off power circuit for digital systems |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3798500A (en) * | 1971-05-03 | 1974-03-19 | Chrysler Corp | Time delay headlamp control system |
-
1972
- 1972-09-22 JP JP1972109495U patent/JPS5312599Y2/ja not_active Expired
-
1973
- 1973-09-07 GB GB4225473A patent/GB1378729A/en not_active Expired
- 1973-09-13 DE DE19732346245 patent/DE2346245A1/de not_active Ceased
- 1973-09-19 US US398810A patent/US3879137A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2346245A1 (de) | 1974-04-04 |
| GB1378729A (en) | 1974-12-27 |
| JPS4967633U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-06-13 |
| US3879137A (en) | 1975-04-22 |