JPS6218023B2 - - Google Patents
Info
- Publication number
- JPS6218023B2 JPS6218023B2 JP55064917A JP6491780A JPS6218023B2 JP S6218023 B2 JPS6218023 B2 JP S6218023B2 JP 55064917 A JP55064917 A JP 55064917A JP 6491780 A JP6491780 A JP 6491780A JP S6218023 B2 JPS6218023 B2 JP S6218023B2
- Authority
- JP
- Japan
- Prior art keywords
- transmitting
- signal
- wave
- detector
- ultrasonic
- 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 27
- 230000007257 malfunction Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 1
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6491780A JPS56160731A (en) | 1980-05-15 | 1980-05-15 | Ultrasonic switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6491780A JPS56160731A (en) | 1980-05-15 | 1980-05-15 | Ultrasonic switch |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56160731A JPS56160731A (en) | 1981-12-10 |
JPS6218023B2 true JPS6218023B2 (fr) | 1987-04-21 |
Family
ID=13271870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6491780A Granted JPS56160731A (en) | 1980-05-15 | 1980-05-15 | Ultrasonic switch |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56160731A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6217328A (ja) * | 1985-07-15 | 1987-01-26 | Diesel Kiki Co Ltd | 内燃機関車輛用制御装置 |
JPS6319283U (fr) * | 1986-07-22 | 1988-02-08 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5028291A (fr) * | 1973-07-11 | 1975-03-22 |
-
1980
- 1980-05-15 JP JP6491780A patent/JPS56160731A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5028291A (fr) * | 1973-07-11 | 1975-03-22 |
Also Published As
Publication number | Publication date |
---|---|
JPS56160731A (en) | 1981-12-10 |
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