JPS6251451B2 - - Google Patents
Info
- Publication number
- JPS6251451B2 JPS6251451B2 JP3131080A JP3131080A JPS6251451B2 JP S6251451 B2 JPS6251451 B2 JP S6251451B2 JP 3131080 A JP3131080 A JP 3131080A JP 3131080 A JP3131080 A JP 3131080A JP S6251451 B2 JPS6251451 B2 JP S6251451B2
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- light
- output
- circuit
- transistor
- 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
- 238000001514 detection method Methods 0.000 claims description 24
- 239000003990 capacitor Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000007423 decrease Effects 0.000 description 7
- 230000003321 amplification Effects 0.000 description 6
- 238000003199 nucleic acid amplification method Methods 0.000 description 6
- 230000004044 response Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
- G01C3/02—Details
- G01C3/06—Use of electric means to obtain final indication
- G01C3/08—Use of electric radiation detectors
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Optical Distance (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3131080A JPS56126708A (en) | 1980-03-11 | 1980-03-11 | Range finder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3131080A JPS56126708A (en) | 1980-03-11 | 1980-03-11 | Range finder |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56126708A JPS56126708A (en) | 1981-10-05 |
JPS6251451B2 true JPS6251451B2 (enrdf_load_stackoverflow) | 1987-10-30 |
Family
ID=12327708
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3131080A Granted JPS56126708A (en) | 1980-03-11 | 1980-03-11 | Range finder |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56126708A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59151013A (ja) * | 1983-02-18 | 1984-08-29 | Ricoh Co Ltd | 距離検出装置 |
-
1980
- 1980-03-11 JP JP3131080A patent/JPS56126708A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS56126708A (en) | 1981-10-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH0379684B2 (enrdf_load_stackoverflow) | ||
US5204714A (en) | Object distance detecting apparatus | |
US4464038A (en) | Distance measuring device for use in a camera | |
JPH0435869Y2 (enrdf_load_stackoverflow) | ||
US6259514B1 (en) | Rangefinder apparatus | |
JPS6251451B2 (enrdf_load_stackoverflow) | ||
US4392727A (en) | Camera exposure control devices with smoothing circuit | |
JPH0675131B2 (ja) | ゾーンフォーカスカメラの測距装置 | |
US5023647A (en) | Automatic status discriminator | |
JP2638607B2 (ja) | 測距装置 | |
JPS60189520A (ja) | 電源装置 | |
JP3749638B2 (ja) | 測距装置 | |
JPH0715544B2 (ja) | カメラの測光装置 | |
JP2802785B2 (ja) | カメラの露出制御方法 | |
JPS61107111A (ja) | 測距装置 | |
JP3135159B2 (ja) | 焦点調節装置 | |
JP3332948B2 (ja) | カメラ | |
JP3009511B2 (ja) | カメラのための測距装置 | |
JP2942593B2 (ja) | 被写体距離検出装置 | |
JPH058575Y2 (enrdf_load_stackoverflow) | ||
JPS6339696Y2 (enrdf_load_stackoverflow) | ||
JPH0534584A (ja) | カメラ用距離検出装置 | |
JP2763800B2 (ja) | 測距装置 | |
JPH0572529B2 (enrdf_load_stackoverflow) | ||
JP3234304B2 (ja) | アクティブオートフォーカス装置 |