JPH0381090B2 - - Google Patents
Info
- Publication number
- JPH0381090B2 JPH0381090B2 JP14608081A JP14608081A JPH0381090B2 JP H0381090 B2 JPH0381090 B2 JP H0381090B2 JP 14608081 A JP14608081 A JP 14608081A JP 14608081 A JP14608081 A JP 14608081A JP H0381090 B2 JPH0381090 B2 JP H0381090B2
- Authority
- JP
- Japan
- Prior art keywords
- operational amplifier
- capacitor
- diode
- photodiode
- voltage
- 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.)
- Expired
Links
- 239000003990 capacitor Substances 0.000 claims description 37
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 230000007423 decrease Effects 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 claims 6
- 238000005513 bias potential Methods 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000003472 neutralizing effect Effects 0.000 description 5
- 238000005375 photometry Methods 0.000 description 5
- 230000001052 transient effect Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 244000145845 chattering Species 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization 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
- G03B7/081—Analogue circuits
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Exposure Control For Cameras (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14608081A JPS5848822A (ja) | 1981-09-18 | 1981-09-18 | ラツチ解除回路を有する測光回路 |
| US06/417,170 US4462670A (en) | 1981-09-18 | 1982-09-13 | Light measuring apparatus for camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14608081A JPS5848822A (ja) | 1981-09-18 | 1981-09-18 | ラツチ解除回路を有する測光回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5848822A JPS5848822A (ja) | 1983-03-22 |
| JPH0381090B2 true JPH0381090B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-12-27 |
Family
ID=15399656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14608081A Granted JPS5848822A (ja) | 1981-09-18 | 1981-09-18 | ラツチ解除回路を有する測光回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5848822A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0712983Y2 (ja) * | 1983-09-20 | 1995-03-29 | 株式会社ニコン | 撮影装置 |
| JPS6273413A (ja) * | 1985-09-25 | 1987-04-04 | Nippon Telegr & Teleph Corp <Ntt> | 磁気記録媒体とその製造方法および製造装置 |
| WO2025187279A1 (ja) * | 2024-03-04 | 2025-09-12 | 株式会社ジャパンディスプレイ | 検出装置 |
-
1981
- 1981-09-18 JP JP14608081A patent/JPS5848822A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5848822A (ja) | 1983-03-22 |