JPH0357427B2 - - Google Patents
Info
- Publication number
- JPH0357427B2 JPH0357427B2 JP23991385A JP23991385A JPH0357427B2 JP H0357427 B2 JPH0357427 B2 JP H0357427B2 JP 23991385 A JP23991385 A JP 23991385A JP 23991385 A JP23991385 A JP 23991385A JP H0357427 B2 JPH0357427 B2 JP H0357427B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- quadrant
- signal
- output
- received signal
- 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 38
- 230000010355 oscillation Effects 0.000 claims description 22
- 230000007704 transition Effects 0.000 claims description 21
- 239000013598 vector Substances 0.000 claims description 17
- 230000010363 phase shift Effects 0.000 claims description 16
- 238000012544 monitoring process Methods 0.000 claims description 9
- 238000013459 approach Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
Landscapes
- 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 |
---|---|---|---|
JP23991385A JPS6298280A (ja) | 1985-10-25 | 1985-10-25 | 移動物体検知装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23991385A JPS6298280A (ja) | 1985-10-25 | 1985-10-25 | 移動物体検知装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6298280A JPS6298280A (ja) | 1987-05-07 |
JPH0357427B2 true JPH0357427B2 (enrdf_load_stackoverflow) | 1991-09-02 |
Family
ID=17051711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP23991385A Granted JPS6298280A (ja) | 1985-10-25 | 1985-10-25 | 移動物体検知装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6298280A (enrdf_load_stackoverflow) |
-
1985
- 1985-10-25 JP JP23991385A patent/JPS6298280A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6298280A (ja) | 1987-05-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS63109386A (ja) | 超音波センサの温度補償方法 | |
US6404703B1 (en) | Method and apparatus for distance measurement | |
JPS6243507B2 (enrdf_load_stackoverflow) | ||
JPH0357427B2 (enrdf_load_stackoverflow) | ||
JP2007183182A (ja) | 移動物体検出装置 | |
JP2008145255A (ja) | 移動物体検出装置 | |
JP2994828B2 (ja) | ドップラ式物体検知装置 | |
JPS63127179A (ja) | 超音波検知装置 | |
JPH01285883A (ja) | マイクロ波近接スイッチ | |
JPH0616085B2 (ja) | 移動物体検知装置 | |
JPH01287491A (ja) | 移動物体検知装置 | |
JPH06100651B2 (ja) | 超音波スイツチ | |
JPH0479589B2 (enrdf_load_stackoverflow) | ||
JPS61246686A (ja) | 移動物体検知装置 | |
JPS63128278A (ja) | 超音波等を用いた検知装置 | |
JPH0327872B2 (enrdf_load_stackoverflow) | ||
JPH07174842A (ja) | 超音波センサ | |
JPS6154484A (ja) | ドップラ−効果型防犯装置 | |
JP3066545B2 (ja) | 侵入物体検知機能を有した超音波センサ | |
JPH02223885A (ja) | 移動物体検知器 | |
JPH01113686A (ja) | 移動物体検知装置 | |
JPH02213792A (ja) | 移動物体検知装置 | |
JPS6154483A (ja) | ドップラ−効果型防犯装置 | |
JPH071304B2 (ja) | 超音波物体検出装置 | |
JP2000055605A (ja) | 物体検知方法およびこれを用いる物体検知装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |