FR2258622A1 - Detector for luminous pulses - uses diode as variable resistor to maintain sensitivity for small signals - Google Patents
Detector for luminous pulses - uses diode as variable resistor to maintain sensitivity for small signalsInfo
- Publication number
- FR2258622A1 FR2258622A1 FR7401650A FR7401650A FR2258622A1 FR 2258622 A1 FR2258622 A1 FR 2258622A1 FR 7401650 A FR7401650 A FR 7401650A FR 7401650 A FR7401650 A FR 7401650A FR 2258622 A1 FR2258622 A1 FR 2258622A1
- Authority
- FR
- France
- Prior art keywords
- pulses
- resistor
- detector
- photo diode
- variable resistor
- 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.)
- Granted
Links
- 230000035945 sensitivity Effects 0.000 title abstract 2
- 238000002592 echocardiography Methods 0.000 abstract 2
- 239000003990 capacitor Substances 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
- G01S17/10—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7401650A FR2258622A1 (en) | 1974-01-17 | 1974-01-17 | Detector for luminous pulses - uses diode as variable resistor to maintain sensitivity for small signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7401650A FR2258622A1 (en) | 1974-01-17 | 1974-01-17 | Detector for luminous pulses - uses diode as variable resistor to maintain sensitivity for small signals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2258622A1 true FR2258622A1 (en) | 1975-08-18 |
| FR2258622B1 FR2258622B1 (enExample) | 1976-11-26 |
Family
ID=9133631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7401650A Granted FR2258622A1 (en) | 1974-01-17 | 1974-01-17 | Detector for luminous pulses - uses diode as variable resistor to maintain sensitivity for small signals |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2258622A1 (enExample) |
-
1974
- 1974-01-17 FR FR7401650A patent/FR2258622A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2258622B1 (enExample) | 1976-11-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3437834A (en) | Circuit for detecting time of occurrence of signals having an amplitude which exceeds a predetermined level | |
| SE7402085L (enExample) | ||
| GB1005903A (en) | Improvements in electrical integrating totalizer | |
| JPS6410704A (en) | High frequency detecting circuit | |
| US2599586A (en) | Marine depth finder | |
| US4784001A (en) | Magnetic flowmeter with isolation amplifier and ranging circuit therefor and method | |
| US3327806A (en) | Sing around velocimeter | |
| FR2258622A1 (en) | Detector for luminous pulses - uses diode as variable resistor to maintain sensitivity for small signals | |
| US3610931A (en) | Thermistor circuit for detecting infrared radiation | |
| US4268795A (en) | Pulsed voltage amplification device with drift correction | |
| JPS5531962A (en) | Water depth measuring unit of laser | |
| US3469111A (en) | Peak detector circuit for providing an output proportional to the amplitude of the input signal | |
| US3629813A (en) | Method and apparatus for echo-sounding of short distances | |
| SE7611227L (sv) | Sett och anordning for detektering av formagnetisering | |
| JPS57120826A (en) | Detecting circuit for ultrasonic output | |
| SU619894A1 (ru) | Измеритель временных интервалов | |
| US3321706A (en) | Comparison voltage measuring circuits using condenser charging and discharging | |
| JPS52144247A (en) | Minimum/maximum level detection circuit | |
| SU1173367A1 (ru) | Устройство дл радиолокационного определени опасных дл полетов зон в облачности | |
| SU1471139A1 (ru) | Амплитудный детектор | |
| JPS5471503A (en) | Monitor system of photo reception level | |
| SU693115A1 (ru) | Обнаружитель слабых сигналов | |
| SU454502A1 (ru) | Фазометр | |
| SU632343A1 (ru) | Измеритель пульса | |
| SU530194A1 (ru) | Измеритель скорости звука |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |