JPS57149977A - Acoustic distance sounder - Google Patents
Acoustic distance sounderInfo
- Publication number
- JPS57149977A JPS57149977A JP3578581A JP3578581A JPS57149977A JP S57149977 A JPS57149977 A JP S57149977A JP 3578581 A JP3578581 A JP 3578581A JP 3578581 A JP3578581 A JP 3578581A JP S57149977 A JPS57149977 A JP S57149977A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- spurious
- timing pulse
- sounder
- transmission timing
- 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
- 230000005540 biological transmission Effects 0.000 abstract 3
Classifications
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52004—Means for monitoring or calibrating
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3578581A JPS57149977A (en) | 1981-03-12 | 1981-03-12 | Acoustic distance sounder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3578581A JPS57149977A (en) | 1981-03-12 | 1981-03-12 | Acoustic distance sounder |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57149977A true JPS57149977A (en) | 1982-09-16 |
JPS6223830B2 JPS6223830B2 (enrdf_load_stackoverflow) | 1987-05-25 |
Family
ID=12451552
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3578581A Granted JPS57149977A (en) | 1981-03-12 | 1981-03-12 | Acoustic distance sounder |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57149977A (enrdf_load_stackoverflow) |
-
1981
- 1981-03-12 JP JP3578581A patent/JPS57149977A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6223830B2 (enrdf_load_stackoverflow) | 1987-05-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT7822956A0 (it) | Disposizione circuitale per comandare automaticamente la frequenza di un trasduttore trasmettitore di ultrasuoni. | |
IE39081B1 (en) | Improvements in or relating to ultrasonic signal generators | |
JPS57149977A (en) | Acoustic distance sounder | |
AU540220B2 (en) | Determination of median frequency of 3 sequences | |
JPS6412285A (en) | Alarm transmitting method and apparatus for working vehicle | |
JPS57204479A (en) | Ultrasonic transmitting and receiving device | |
JPS54152500A (en) | Vehicle sensor on ultrasonic pulse radar system | |
JPS5773404A (en) | Transmitter of switch signal | |
EP0258874A3 (en) | An object detecting switch | |
JPS5552977A (en) | Ultrasonic pulse detector | |
JPS5786043A (en) | Sludge searcher | |
JPS5539057A (en) | Moving body detector using ultrasonic wave | |
JPS5730968A (en) | Echo sounder | |
JPS5793717A (en) | Ultrasonic wave multiplexer | |
SU1166159A1 (ru) | Устройство телеуправлени и телеизмерени | |
JPS56128472A (en) | Ultrasonic pickup device | |
JPS5535585A (en) | Multiple sound signal reception device | |
SU828385A1 (ru) | Генератор м-последовательности | |
JPS5312215A (en) | Pulse transfer circuit | |
JPS5468273A (en) | Mimic target | |
JPS5710512A (en) | Equalizing circuit | |
SU824990A1 (ru) | Устройство селекции r импульсов плода по длительности | |
Sibley | Vital Electronic Code Generator | |
JPS5767351A (en) | Two-way transmission circuit | |
JPS56156017A (en) | Pulse generating circuit |