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Optical sensors for detecting physical parameters utilizing vibrating piezoelectric elements

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01D-005/34
  • G01L-009/00
출원번호 US-0612060 (1984-05-18)
발명자 / 주소
  • Phillips Stephen R. (Walnut Creek CA)
출원인 / 주소
  • Luxtron Corporation (Mountain View CA 02)
인용정보 피인용 횟수 : 20  인용 특허 : 25

초록

To detect a physical parameter such as pressure, temperature, acceleration or force, the physical parameter is allowed to influence the movement of a light transmitting piezoelectric member. Light is supplied to the member and the member is vibrated in a direction transverse to the light transmitted

대표청구항

A transducer apparatus for detecting a physical parameter comprising: a piezoelectric member which transmits light; means for supplying light to the member, so that the light supplied is transmitted through the member; means for vibrating the member in a direction transverse to the light transmitted

이 특허에 인용된 특허 (25)

  1. Brogardh Torgny (Vesteras SEX), Apparatus for measuring pressure by absorption spectrum change.
  2. Porter John H. (Colchester Point VT), Differential fiber optic differential pressure sensor.
  3. Gerber Karl-Heinz (Granges CHX), Encapsulated piezoelectric resonator device.
  4. Schneider ; Jr. Clayton J. (East Aurora NY), Fiber optic acceleration sensor.
  5. Rines Glen A. (Brookline NH), Fiber optic angular accelerometer.
  6. Adolfsson Morgan (Vasteras SEX) Brogardh Torgny (Vasteras SEX), Fiber optical devices for measuring physical phenomenon.
  7. Altman Daniel E. (San Diego CA), Frustrated total internal reflection fiber-optic small-motion sensor for hydrophone use.
  8. Debely, Pierre, Grooved-electrode piezoelectric resonator.
  9. Fredrickson Lee R. (Cedar Rapids IA), Interferometric piezoelectric change of state monitor.
  10. Dinger, Rudolf J., Method of detection of the asymmetry of piezo-electric crystal resonators in the form of tuning forks and resonators for carrying it out.
  11. Staudte Juergen H. (Anaheim CA), Microresonator packaging and tuning.
  12. Eer Nisse Errol P. (Albuquerque NM), Miniature quartz resonator force transducer.
  13. Kogure, Shigeru; Momosaki, Eishi; Inoue, Minoru, Mode coupled tuning fork type quartz crystal vibrator and method of tuning.
  14. Leclerc Pierre (Paris FRX) Huignard Jean-Pierre (Paris FRX) Papuchon Michel (Paris FRX) Puech Claude (Paris FRX), Monomodal optical fibre hydrophone operating by the elastooptical effect.
  15. Fromm Ingrid (Munich DEX), Optical device for measuring slight differences of pressure by means of a change in light intensity.
  16. Fromm Ingrid (Munich DEX), Optical device for measuring slight pressure differences by means of light intensity changes.
  17. Glenn William H. (Vernon CT) Tomlinson Richard G. (Glastonbury CT), Optical pressure sensor.
  18. Corbett James P. (923 Palermo Dr. Santa Barbara CA 93105), Oscillating crystal transducer systems with symmetrical temperature compensator.
  19. Frechette ; Michael W. ; Fasching ; James L., Piezoelectric probe for detection and measurement of gaseous pollutants.
  20. Luke Douglas V. (Farnham Common GB), Pressure-responsive apparatus.
  21. Oguchi Kikuo (Shimosuwa JA) Shimoi Akio (Suwa JA) Ogata Toshiaki (Suwa JA), Quartz crystal vibrator.
  22. EerNisse Errol P. (Sandy UT) Paros Jerome M. (Redmond WA), Resonator force transducer.
  23. Kompanek Harry W. (Santa Barbara CA), Sensor device using piezoelectric coating subjected to bending.
  24. Gagnepain Jean-Jacques (Recologne FRX) Hauden Daniel (Besancon FRX) Coquerel Roger (Recologne FRX) Pegeot Claude (Sartrouville FRX), Temperature probe using a plate of quartz.
  25. Yoda, Hiroshi, Tuning fork-shaped quartz oscillator.

이 특허를 인용한 특허 (20)

  1. Yoshihiko Suzuki JP, Apparatus and methods for measuring stress in a specimen including a thin membrane.
  2. Kishi, Masakazu; Kubota, Hajime; Itoh, Masayuki; Mesaki, Yoshinori, Crystal oscillator device and method of measuring crystal oscillator characteristic.
  3. Clay Bradford G. ; Korff John J., EMI stability indicator for tympanic thermometer.
  4. Gilby Anthony C. (Foxboro MA) Ihnat Dale E. (Woonsocket RI), Method and apparatus for sensing a measurand.
  5. Brennan Brian W. (Burlington VT), Method of actuation and flight control.
  6. Cantelobre, Michel, Microphone made from a polymer waveguide.
  7. Passian, Ali; Thundat, Thomas George; Tetard, Laurene, Mode synthesizing atomic force microscopy and mode-synthesizing sensing.
  8. Passian, Ali; Thundat, Thomas George; Tetard, Laurene, Mode-synthesizing atomic force microscopy and mode-synthesizing sensing.
  9. Maas,Steven J.; Metzbower,D. Richard, Optical accelerometer, optical inclinometer and seismic sensor system using such accelerometer and inclinometer.
  10. Hunziker, Guido; Bridger, Paul M.; Cai, Ming; Vahala, Kerry J., Optical resonator microsphere sensor with altering Q-factor.
  11. Li,Guann Pyng; Bachman,Mark; Xu,Tao; Zeng,Fan Gang; Coffey,Patrick, Optical waveguide vibration sensor for use in hearing aid.
  12. Lenz James E. (Brooklyn Park MN) Bjork Paul E. (New Brighton MN) Fujiwara Hisatoshi (Brooklyn Park MN), Optically powered remote sensors with timing discrimination.
  13. Rauscher, Jr., Robert A., Ordnance control and initiation system and related method.
  14. Thundat, Thomas G.; Van Neste, Charles W.; Brown, Gilbert M.; Senesac, Lawrence R., Photoacoustic microcantilevers.
  15. Siems, Lee E.; Knapp, Grevson; Maida, John, Seismic optical acoustic recursive sensor system.
  16. Phillips Stephen R. (Walnut Creek CA), Sensors for detecting electromagnetic parameters utilizing resonating elements.
  17. Carreiro,Louis G.; Reinhart,Lawrence J., System and apparatus for measuring displacements in electro-active materials.
  18. Carreiro,Louis G.; Reinhart,Lawrence J., System and apparatus for measuring displacements in electro-active materials.
  19. Priddle, Helen F; Abraham, Ian A, Tuning of optical fiber components.
  20. Tomoo Satoh JP, Ultrasonic detection method and apparatus and ultrasonic diagnostic apparatus.
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