JPS5523420A - Displacement position detector - Google Patents
Displacement position detectorInfo
- Publication number
- JPS5523420A JPS5523420A JP9388278A JP9388278A JPS5523420A JP S5523420 A JPS5523420 A JP S5523420A JP 9388278 A JP9388278 A JP 9388278A JP 9388278 A JP9388278 A JP 9388278A JP S5523420 A JPS5523420 A JP S5523420A
- Authority
- JP
- Japan
- Prior art keywords
- wire
- magnet
- displacement position
- ultrasonic signal
- couples
- 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
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
PURPOSE: To enable a simple constitution to detect mechanical displacement with high reliability by coupling a magnet with a magnetostriction strain wire.
CONSTITUTION: This detector consists of excitation method 2 which couples with magnetostrictive wire 1 and generates an ultrasonic signal in wire 1, magnet 4 which provides a magnetic field to wire 1 while moving along wire 1, method 3 which couples with wire 1 and receives a reflected ultrasonic signal reflected at the position of magnet 4, and circuit CU which generates a signal relating to the displacement position of magnet 4 by receiving a signal relating the time required by the ultrasonic signal generated in wire 1 by excitation method 2 to go and return between receiving method 3 and magnet 4. Consequently, displacement position detection can be carried out with high reliability.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9388278A JPS5523420A (en) | 1978-08-01 | 1978-08-01 | Displacement position detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9388278A JPS5523420A (en) | 1978-08-01 | 1978-08-01 | Displacement position detector |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5523420A true JPS5523420A (en) | 1980-02-19 |
Family
ID=14094836
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9388278A Pending JPS5523420A (en) | 1978-08-01 | 1978-08-01 | Displacement position detector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5523420A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5930013A (en) * | 1982-08-13 | 1984-02-17 | Tokyo Electric Power Co Inc:The | Position detector |
JPS5937418A (en) * | 1982-08-26 | 1984-02-29 | Makome Kenkyusho:Kk | Apparatus for measuring length using ultrasonic delay line |
JPS61194313A (en) * | 1985-02-23 | 1986-08-28 | Sankyo Boeki Kk | Supersonic signal detection of displacement detector |
JPS61280519A (en) * | 1985-06-05 | 1986-12-11 | Sankyo Boeki Kk | Apparatus for detecting displacement |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5257845A (en) * | 1975-11-03 | 1977-05-12 | Combustion Eng | Apparatus for indicating and method of detecting position of moving body |
-
1978
- 1978-08-01 JP JP9388278A patent/JPS5523420A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5257845A (en) * | 1975-11-03 | 1977-05-12 | Combustion Eng | Apparatus for indicating and method of detecting position of moving body |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5930013A (en) * | 1982-08-13 | 1984-02-17 | Tokyo Electric Power Co Inc:The | Position detector |
JPS5937418A (en) * | 1982-08-26 | 1984-02-29 | Makome Kenkyusho:Kk | Apparatus for measuring length using ultrasonic delay line |
JPS61194313A (en) * | 1985-02-23 | 1986-08-28 | Sankyo Boeki Kk | Supersonic signal detection of displacement detector |
JPS61280519A (en) * | 1985-06-05 | 1986-12-11 | Sankyo Boeki Kk | Apparatus for detecting displacement |
JPH0346055B2 (en) * | 1985-06-05 | 1991-07-15 | Sankyo Boeki Kk |
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