DE3272173D1 - Eddy current responsive hall effect device tachometer - Google Patents
Eddy current responsive hall effect device tachometerInfo
- Publication number
- DE3272173D1 DE3272173D1 DE8282109512T DE3272173T DE3272173D1 DE 3272173 D1 DE3272173 D1 DE 3272173D1 DE 8282109512 T DE8282109512 T DE 8282109512T DE 3272173 T DE3272173 T DE 3272173T DE 3272173 D1 DE3272173 D1 DE 3272173D1
- Authority
- DE
- Germany
- Prior art keywords
- eddy current
- effect device
- hall effect
- current responsive
- tachometer
- 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
- 230000005355 Hall effect Effects 0.000 title 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Soil Working Implements (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/323,778 US4441077A (en) | 1981-11-23 | 1981-11-23 | Real time eddy current responsive Hall effect device tachometer |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3272173D1 true DE3272173D1 (en) | 1986-08-28 |
Family
ID=23260685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8282109512T Expired DE3272173D1 (en) | 1981-11-23 | 1982-10-14 | Eddy current responsive hall effect device tachometer |
Country Status (5)
Country | Link |
---|---|
US (1) | US4441077A (de) |
EP (1) | EP0080059B1 (de) |
JP (1) | JPS5890172A (de) |
CA (1) | CA1184050A (de) |
DE (1) | DE3272173D1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4507607A (en) * | 1982-06-10 | 1985-03-26 | Westinghouse Electric Corp. | Angular accelerometer |
US4554437A (en) * | 1984-05-17 | 1985-11-19 | Pet Incorporated | Tunnel oven |
US4751459A (en) * | 1986-09-18 | 1988-06-14 | Synektron Corporation | Magnetic tachometer or accelerometer having highly permeable eddy current flux circuit |
US5045784A (en) * | 1989-08-21 | 1991-09-03 | Rockwell International Corporation | Tachometer noise reduction system using a pickup coil to cancel the noise from the tachometer signal |
DE4123128A1 (de) * | 1991-07-12 | 1993-01-14 | Bosch Gmbh Robert | Wirbelstrom-drehzahlsensor |
IT1280977B1 (it) * | 1995-10-17 | 1998-02-11 | Fiat Ricerche | Dispositivo sensore della velocita' angolare di un organo rotante |
SE9503690L (sv) * | 1995-10-20 | 1997-04-21 | Asea Brown Boveri | Förfarande och anordning för att bestämma vinkelhastigheten hos en roterande cylindrisk axel av elektriskt ledande meterial |
GB9712750D0 (en) * | 1997-06-17 | 1997-08-20 | Penny & Giles International Pl | Improvements relating to velocity sensors |
DE19859009A1 (de) * | 1998-12-21 | 2000-07-06 | Abb Research Ltd | Verfahren und Vorrichtung zur Geschwindigkeitsmessung |
DE10032143C2 (de) * | 1999-09-30 | 2002-07-18 | Heidenhain Gmbh Dr Johannes | Ferraris-Sensor und Verfahren zum Betrieb eines Ferraris-Sensors |
DE10139379A1 (de) * | 2001-08-10 | 2003-03-06 | Siemens Ag | Vorrichtung zum Erfassen einer Bewegung |
DE10253718B4 (de) * | 2002-11-19 | 2013-12-05 | Dr. Johannes Heidenhain Gmbh | Verfahren zur Bestimmung relativer Geschwindigkeiten und entsprechende Vorrichtung hierzu |
US7994780B2 (en) * | 2007-09-14 | 2011-08-09 | General Electric Company | System and method for inspection of parts with an eddy current probe |
DE102019105203A1 (de) * | 2019-03-01 | 2020-09-03 | Schaeffler Technologies AG & Co. KG | Vorrichtung und Verfahren zum Bestimmen einer Geschwindigkeit oder Beschleunigung eines elektrisch leitfähigen Objekts, sowie System |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1147787B (de) * | 1960-10-22 | 1963-04-25 | Christof Rohrbach Dr Ing | Anordnung zur Geschwindigkeitsmessung mittels Wirbelstroemen |
NL295920A (de) * | 1962-09-28 | |||
DE1209780B (de) * | 1962-10-06 | 1966-01-27 | Siemens Ag | Vorrichtung zur Messung der Geschwindigkeit eines geradlinig bewegten Koerpers |
NL6414709A (de) * | 1964-03-20 | 1965-09-21 | ||
FR1449316A (fr) * | 1965-10-06 | 1966-03-18 | Philips Nv | Dispositif pour la mesure de mouvements de rotation et de translation |
FR1492135A (fr) * | 1966-05-23 | 1967-08-18 | Siemens Ag | Dispositif pour produire une tension électrique dépendant d'une vitesse |
DE1673439A1 (de) * | 1967-06-19 | 1971-04-29 | Trenkler Gerhard Dipl Ing | Wirbelstromgeschwindigkeitsmesser mit Gleichfelderregung |
US3932813A (en) * | 1972-04-20 | 1976-01-13 | Simmonds Precision Products, Inc. | Eddy current sensor |
JPS543293B2 (de) * | 1973-07-03 | 1979-02-21 | ||
US4011476A (en) * | 1975-12-22 | 1977-03-08 | Ford Motor Company | Signal generating mechanism |
US4093917A (en) * | 1976-10-06 | 1978-06-06 | The United States Of America As Represented By The Administrator, National Aeronautics And Space Administration | Velocity measurement system |
JPS54110879A (en) * | 1978-02-20 | 1979-08-30 | Tamagawa Seiki Co Ltd | Commutatorless generator for speed |
-
1981
- 1981-11-23 US US06/323,778 patent/US4441077A/en not_active Expired - Lifetime
-
1982
- 1982-10-12 CA CA000413243A patent/CA1184050A/en not_active Expired
- 1982-10-14 EP EP82109512A patent/EP0080059B1/de not_active Expired
- 1982-10-14 DE DE8282109512T patent/DE3272173D1/de not_active Expired
- 1982-10-15 JP JP57180077A patent/JPS5890172A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US4441077A (en) | 1984-04-03 |
EP0080059A1 (de) | 1983-06-01 |
EP0080059B1 (de) | 1986-07-23 |
JPS5890172A (ja) | 1983-05-28 |
CA1184050A (en) | 1985-03-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |