JPS4947807A - - Google Patents
Info
- Publication number
- JPS4947807A JPS4947807A JP4563273A JP4563273A JPS4947807A JP S4947807 A JPS4947807 A JP S4947807A JP 4563273 A JP4563273 A JP 4563273A JP 4563273 A JP4563273 A JP 4563273A JP S4947807 A JPS4947807 A JP S4947807A
- Authority
- JP
- Japan
- 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
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/028—Electrodynamic magnetometers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/484—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by contact-making switches
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/49—Devices characterised by the use of electric or magnetic means for measuring angular speed using eddy currents
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/025—Compensating stray fields
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24586372A | 1972-04-20 | 1972-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4947807A true JPS4947807A (en) | 1974-05-09 |
Family
ID=22928395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4563273A Pending JPS4947807A (en) | 1972-04-20 | 1973-04-20 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS4947807A (en) |
| CA (1) | CA984463A (en) |
| CH (1) | CH558532A (en) |
| DE (1) | DE2319927A1 (en) |
| FR (1) | FR2181078B1 (en) |
| GB (1) | GB1386035A (en) |
| IT (1) | IT984760B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012501445A (en) * | 2008-08-29 | 2012-01-19 | ゼネラル・エレクトリック・カンパニイ | System and method for detecting the periodic position of an object |
| JP2012501444A (en) * | 2008-08-29 | 2012-01-19 | ゼネラル・エレクトリック・カンパニイ | High temperature electronics for passive eddy current sensors. |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2288313A1 (en) * | 1974-10-17 | 1976-05-14 | Jaeger | Magnetic angular velocity or position sensor - has two cores with coils differently spaced from toothed ferromagnetic wheel |
| US4258279A (en) * | 1978-09-05 | 1981-03-24 | Orin W. Coburn | Magnetic sensor assembly |
| DE3582783D1 (en) * | 1984-11-20 | 1991-06-13 | S G Kk | DEVICE FOR DETECTING THE ROTATION. |
| GB2265221B (en) * | 1992-03-21 | 1995-04-26 | Schlumberger Ind Ltd | Inductive sensors |
| GB2408802A (en) * | 2003-12-03 | 2005-06-08 | Weston Aerospace | Eddy current sensors |
| CA2647306C (en) | 2007-12-21 | 2018-09-04 | Weston Aerospace Limited | Method and apparatus for monitoring the rotational speed of a shaft |
| GB2455797B (en) | 2007-12-21 | 2010-04-28 | Weston Aerospace Ltd | Method and apparatus for monitoring the rotational speed of a shaft |
| GB2455798B (en) | 2007-12-21 | 2010-04-28 | Weston Aerospace Ltd | Method and apparatus for monitoring a rotating shaft |
| GB2455801B (en) | 2007-12-21 | 2010-04-28 | Weston Aerospace Ltd | Method and apparatus for monitoring the rotational speed of a shaft |
| GB2455800B (en) | 2007-12-21 | 2010-07-21 | Weston Aerospace Ltd | Method and apparatus for monitoring the rotational speed of a shaft |
| DE102010061955B4 (en) | 2010-11-25 | 2014-03-13 | Rolls-Royce Deutschland Ltd & Co Kg | Inductive sensor |
| GB2576471A (en) | 2018-01-09 | 2020-02-26 | Weston Aerospace Ltd | Magnetic gas turbine sensor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE933173C (en) * | 1950-10-14 | 1955-09-22 | Siemens Ag | Test device, especially for electric traction vehicles, to display the rotary movement of a shaft |
-
1973
- 1973-03-21 CA CA166,995A patent/CA984463A/en not_active Expired
- 1973-03-26 GB GB1440773A patent/GB1386035A/en not_active Expired
- 1973-04-17 IT IT1257773A patent/IT984760B/en active
- 1973-04-17 CH CH551273A patent/CH558532A/en not_active IP Right Cessation
- 1973-04-19 DE DE19732319927 patent/DE2319927A1/en not_active Withdrawn
- 1973-04-20 FR FR7314664A patent/FR2181078B1/fr not_active Expired
- 1973-04-20 JP JP4563273A patent/JPS4947807A/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012501445A (en) * | 2008-08-29 | 2012-01-19 | ゼネラル・エレクトリック・カンパニイ | System and method for detecting the periodic position of an object |
| JP2012501444A (en) * | 2008-08-29 | 2012-01-19 | ゼネラル・エレクトリック・カンパニイ | High temperature electronics for passive eddy current sensors. |
Also Published As
| Publication number | Publication date |
|---|---|
| CH558532A (en) | 1975-01-31 |
| IT984760B (en) | 1974-11-20 |
| FR2181078A1 (en) | 1973-11-30 |
| GB1386035A (en) | 1975-03-05 |
| CA984463A (en) | 1976-02-24 |
| DE2319927A1 (en) | 1973-10-31 |
| FR2181078B1 (en) | 1977-09-02 |