JPS56100374A - Ultrasonic wave detector for moving body - Google Patents
Ultrasonic wave detector for moving bodyInfo
- Publication number
- JPS56100374A JPS56100374A JP332380A JP332380A JPS56100374A JP S56100374 A JPS56100374 A JP S56100374A JP 332380 A JP332380 A JP 332380A JP 332380 A JP332380 A JP 332380A JP S56100374 A JPS56100374 A JP S56100374A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- detection signal
- received
- detected
- detection
- 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.)
- Pending
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)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP332380A JPS56100374A (en) | 1980-01-15 | 1980-01-15 | Ultrasonic wave detector for moving body |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP332380A JPS56100374A (en) | 1980-01-15 | 1980-01-15 | Ultrasonic wave detector for moving body |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56100374A true JPS56100374A (en) | 1981-08-12 |
Family
ID=11554141
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP332380A Pending JPS56100374A (en) | 1980-01-15 | 1980-01-15 | Ultrasonic wave detector for moving body |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56100374A (ja) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4925974A (ja) * | 1972-06-21 | 1974-03-07 |
-
1980
- 1980-01-15 JP JP332380A patent/JPS56100374A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4925974A (ja) * | 1972-06-21 | 1974-03-07 |
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