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Magnetostrictive linear position detector with reflection termination

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01B-007/14
  • G01B-007/26
  • G01F-023/30
출원번호 US-0448164 (1989-12-08)
발명자 / 주소
  • Dumais Arthur (Rochester MI) Koski Richard D. (Troy MI)
출원인 / 주소
  • MagneTek Controls (Clawson MI 02)
인용정보 피인용 횟수 : 30  인용 특허 : 21

초록

A magnetostrictive linear displacement detector with increased position resolution includes a magnetostrictive wire anchored at opposite head and foot ends with a reflection termination at the foot end and a damping termination at the head end. A return wire is connected to the foot end of the magne

대표청구항

A magnetostrictive linear displacement detector comprising: a magnetostrictive wire anchored at opposite head and foot ends and defining a measurement interval therebetween; a reflection termination mechanically coupled to said magnetostrictive wire at said foot end placing a predetermined mechanica

이 특허에 인용된 특허 (21)

  1. Stoffels Johannes (Delft NLX), Apparatus for measuring a temperature.
  2. Wiznerowicz Fred (Hannover-Dohren DT), Autocorrelation method for detecting insulation defects in cable.
  3. Blankinship Thomas J. (Ft. Worth TX), Caliper tool using magnetostrictive displacement transducer.
  4. Hauschild Wolfgang (Bad Soden DEX) Baumgart Hans J. (Schwalbach DEX), Device for electric monitoring of the level of a liquid in a container.
  5. Ueda Toshitsugu (Musashino JPX) Ra Seiki (Musashino JPX) Noguchi Masanori (Musashino JPX), Displaced position detecting device.
  6. Tellerman Jacob (Bayside NY), Distance and temperature measuring system for remote locations.
  7. Kinosita Yohei (Horisaki-cho 1087-1 Omiya ; Saitama JA 330), Electro-mechanical displacement transducer.
  8. Sunagawa Yoshihiko (Kanagawa JPX), Inspection system for a group of tanks.
  9. Krisst ; Raymond J., Magnetostrictive position indicator.
  10. Kitaura Wataru (Hitachi JPX) Ito Tetsuo (Hitachi JPX), Method and apparatus for detecting the position of a movable object utilizing the magnetostrictive effect to generate ul.
  11. McCrea Peter F. (Pawtucket RI) McGown James B. (Attleboro MA), Method and apparatus for determining liquid level.
  12. Schneider Otto (Grnichen CHX), Method and arrangement for the evaluation of signals from an ultrasonic displacement path measuring system.
  13. Tellerman Jacob (Bayside NY) Pedersen Carl A. (Elmont NY) Goldfeld Boris (Rego Park NY), Noise rejection in a sonic transducer.
  14. Kidd Robert C. (Warren OH) Porn Lawrence J. (Flushing MI), Oil level detection circuit.
  15. Koski Richard D. (Troy MI) Kosco William C. (Troy MI) Dumais Arthur (Rochester MI), Piezoelectric actuator for magnetostrictive linear displacement measuring device.
  16. Redding Robert J. (Maidenhead GB2), Position determining apparatus.
  17. Edwards Gerald L. (Seattle WA), Position locating using digital logic controlled by pulse propagation time intervals.
  18. Chamuel Jacques R. (Allston MA), Position sensing readout.
  19. Mason Roy G. (Sunnyvale CA) Andreasen Leif (Fremont CA), Precision measuring gauge having sonic delay line with free-standing mode converter armature.
  20. Hughes Michael G. (Sharon VT) Tenenbaum Radu R. (Hanover NH) Bugay Al (Boulder CO), Readout circuit for linear displacement transducer.
  21. Sakamoto Satoshi (Tokyo JPX) Uzuka Mitsuo (Atsugi JPX), Three-phase brushless motor having auxiliary magnetic pole on rotor.

이 특허를 인용한 특허 (30)

  1. Altieri, Russell E.; Kuhn, James F.; Jolly, Mark R.; Southward, Steve C.; Badre-Alam, Askari; Fowler, Leslie P., Aircraft vehicular propulsion system monitoring device and method.
  2. Altieri,Russell E.; Kuhn,James F.; Jolly,Mark R.; Southward,Steve C.; Badre Alam,Askari; Fowler,Leslie P., Aircraft vehicular propulsion system monitoring device and method.
  3. Welch, John C.; Wang, Ke; Prieto, Carlos A.; Xu, Zhiyue, Formation collapse sensor and related methods.
  4. Hart,Robert P., Fuel density measuring device, system, and method using magnetostrictive probe bouyancy.
  5. Levy Jonathan, Integrated liquid level and auxiliary sensor system and method.
  6. Barr, Rodney; Gloden, Michael L.; Speecher, Jr., Arnold Fred, Isolated magnetostrictive buffered liquid level sensor.
  7. Carlen, Eric T.; Roberson, David G.; Bui, Hiep T., Linear position transducer with wireless read head.
  8. Koski Richard D., Liquid level detection apparatus with flexible outer housing.
  9. Smith Stephen Williams ; Sprecher ; Jr. Arnold Fred, Local buffer circuit for sonic waveguides.
  10. Steinich, Klaus Manfred, Magnetorestrictive position sensor according to the propagation time principle having a magnetorestrictive detector unit for mechanical-elastic density waves.
  11. Begin John D. (Sterling Heights MI), Magnetostrictive position measurement apparatus with anti-reflection waveguide terminals.
  12. Castillo Giancarlo ; Page Jody ; Webb James ; Begin John D. ; Koski Richard D., Magnetostrictive waveguide position measurement apparatus using piezoelectric sensor.
  13. Page ; Jr. William J. ; Koski Richard D., Magnetostrictive waveguide position measurement apparatus with piezoceramic element.
  14. Ernst Ehling DE, Method and apparatus for generating transducer output pulses compensated for component variations.
  15. Hart,Robert P., Method using magnetostrictive probe buoyancy for detecting fuel density.
  16. Kuroda Kazushi,JPX ; Hayashi Hideo,JPX ; Ogata Kentaro,JPX, Nickel alloy magnetostrictive wire and displacement detection device using same.
  17. Begin John D., Pickupless magnetostrictive position measurement apparatus.
  18. Christopher J. Dore ; Wilbert J. Legendre, Piezo electric actuator housing in a magnetostrictive device.
  19. Fauveau, Eric, Piezo sensor.
  20. Everson ; Jr. Harold William ; Jenkins Anthony L., Pivotal float for liquid level detection apparatus.
  21. Begin John D., Position measurement apparatus and method of using same with sonic pulse propagation delay interval.
  22. Begin John D., Position measurement apparatus using wire waveguide in shock resistant suspension.
  23. David W. Shank, Position sensor system including voltage transfer function.
  24. Koski Richard D., Self-contained liquid level detection apparatus with substantially constant cross-section outer tube.
  25. Richard D. Koski ; Anthony L. Jenkins, Self-contained position detection apparatus.
  26. Pattee, Jack; Zhukov, Mikhail Serafimovich, Systems and methods for magnetostrictive sensing.
  27. Begin John D. (Troy MI) Koski Richard D. (Troy MI), Temperature compensation for magnetostrictive position detector.
  28. Holcomb, David E.; Kisner, Roger A., Torsional ultrasonic wave based level measurement system.
  29. David Shank ; Peter Strom, Vehicle suspension control system.
  30. Helder Cochofel ; David Shank ; John Washeleski, Vehicle suspension control system.
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