JPS56138261A - Detector for ultrasonic moving object - Google Patents
Detector for ultrasonic moving objectInfo
- Publication number
- JPS56138261A JPS56138261A JP4233580A JP4233580A JPS56138261A JP S56138261 A JPS56138261 A JP S56138261A JP 4233580 A JP4233580 A JP 4233580A JP 4233580 A JP4233580 A JP 4233580A JP S56138261 A JPS56138261 A JP S56138261A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- receiving
- receiving signal
- moving object
- circuit
- 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
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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/50—Systems of measurement, based on relative movement of the target
- G01S15/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S15/523—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4233580A JPS56138261A (en) | 1980-03-31 | 1980-03-31 | Detector for ultrasonic moving object |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4233580A JPS56138261A (en) | 1980-03-31 | 1980-03-31 | Detector for ultrasonic moving object |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56138261A true JPS56138261A (en) | 1981-10-28 |
JPS6148868B2 JPS6148868B2 (zh) | 1986-10-27 |
Family
ID=12633132
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4233580A Granted JPS56138261A (en) | 1980-03-31 | 1980-03-31 | Detector for ultrasonic moving object |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56138261A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5895277A (ja) * | 1981-12-01 | 1983-06-06 | Nippon Signal Co Ltd:The | 超音波ドプラ式速度計測装置用受波器 |
JP2003001349A (ja) * | 2001-06-22 | 2003-01-07 | Tamagawa Machinery Co Ltd | 搬送装置 |
-
1980
- 1980-03-31 JP JP4233580A patent/JPS56138261A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5895277A (ja) * | 1981-12-01 | 1983-06-06 | Nippon Signal Co Ltd:The | 超音波ドプラ式速度計測装置用受波器 |
JP2003001349A (ja) * | 2001-06-22 | 2003-01-07 | Tamagawa Machinery Co Ltd | 搬送装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS6148868B2 (zh) | 1986-10-27 |
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