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Rod axial position detector including plural scales wherein nonmagnetized portions have differing spacing and differing 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01P-003/52
출원번호 US-0168728 (1993-12-16)
우선권정보 JP-0344901 (1992-12-24); JP-0000831 (1993-01-06); JP-0113144 (1993-05-14); JP-0116151 (1993-05-18)
발명자 / 주소
  • Nakazato Masakazu (Kanagawa JPX) Shimoura Youichi (Kanagawa JPX) Sugihara Masamichi (Kanagawa JPX)
출원인 / 주소
  • Kayaba Kogyo Kabushiki Kaisha (Tokyo JPX 03)
인용정보 피인용 횟수 : 30  인용 특허 : 0

초록

A magnetic scale is formed by a plurality of non-magnetic parts arranged at equidistant intervals in all axial direction on a magnetic rod which displaces in the axial direction. The non-magnetic parts consist of first non-magnetic parts having a constant depth, and second non-magnetic parts having

대표청구항

A rod axial position detector for a rod made of magnetic material, comprising: a magnetic scale comprising a plurality of non-magnetic parts arranged axially on the rod at an equal pitch interval, said non-magnetic parts comprise first non-magnetic parts having a constant depth and second non-magnet

이 특허를 인용한 특허 (30)

  1. Yang Soon Yong,KRX ; Lee Man Hyung,KRX ; Lee Min Cheol,KRX, Absolute position detection method for stroke sensing cylinder.
  2. Sugiyama, Yasushi; Nikamoto, Hiroyuki; Ota, Takashi; Wakabayashi, Junichi, Annular magnetic encoder having pole arrangement that specifies rotational angle.
  3. Ishimoto Shigeru,JPX ; Matsuda Toyohiko,JPX, Apparatus and method for measuring displacement.
  4. Acker, Heinrich, Device for measuring angle and angular velocity or distance and speed.
  5. Siraky, Josef, Device for measuring the axial position of a piston rod relative to a cylinder housing.
  6. Fulkerson, Kurt D.; Arns, Jr., Donald C.; Sechi, Paolo G., Displacement measurement system and method using magnetic encodings.
  7. Cottrell, Michael Edward; Innes, Kenneth John; Kong, James Po-Cheung; Lickteig, Charles Anthony; Parchewsky, Robert Frank; Schultheis, Steven Michael; Ying, Daniel Dazhang, Framework and method for monitoring equipment.
  8. Matsumura Shizuo,JPX, Leakage measuring device.
  9. Dolsak, Gregor, Magnetic encoder apparatus.
  10. Hara, Takafumi; Tomizumi, Fusako, Magnetic position detection device and magnetic position detection method.
  11. Kawase Masahiro,JPX ; Tazaki Shinichi,JPX ; Kaneko Hitoshi,JPX ; Sato Hiroshi,JPX ; Urayama Norihisa,JPX, Method and apparatus for detecting tire revolution using magnetic field.
  12. Kawase Masahiro,JPX ; Tazaki Shinichi,JPX ; Kaneko Hitoshi,JPX ; Sato Hiroshi,JPX ; Urayama Norihisa,JPX, Method and apparatus for detecting wheel revolution using magnetic field.
  13. Kong, James Po, Method and system for state encoding.
  14. Kong, James Po, Method and system for state encoding.
  15. Rainer Hagl DE, Method for operating a position measuring system and position measuring system for the purpose.
  16. Mawhinney, Joel, Motor bus voltage commutation method.
  17. Beausoleil, Peter Andrew; Parchewsky, Robert Frank, Reciprocating compressor simulator and a computer system using the same.
  18. Cottrell, Michael Edward; Dang, Chester Bing; Gul, Rong Pieter; Hardeveld, Wilhelmus Antonius; Harnish, Brett Richard Alexander; Innes, Kenneth John; Kong, James Po; Van Latum, Mark Theodoor; Lee, Kwi-Cheng; Lickteig, Charles Anthony; Parchewsky, Robert Frank; Polley, Matthew Charles; Ravesloot, Wilhelmus; Schultheis, Steven Michael; Ying, Daniel Dazhang; Zolkiewski, George Mark, Remote monitoring systems and methods.
  19. Kong, James Po; Lickteig, Charles Anthony; Parchewsky, Robert Frank, Remote monitoring systems and methods.
  20. Ueda, Takeshi; Komatsu, Hayato; Sentoku, Minoru, Rotation angle detection device.
  21. Ueda, Takeshi; Komatsu, Hayato; Kariatsumari, Yuji, Rotation angle detection device compromising.
  22. Sas,Geert; Maes,Mario; Lauwerys,Xavier; Mermans,Pol; Chiaradia,David, Shock absorber with integrated displacement sensor.
  23. Lamar Floyd Ricks, Single geartooth sensor yielding multiple output pulse trains.
  24. Philipp Werner,DEX ; Schemm Eberhard,DEX ; Schnurr Bernd,DEX, Synchronous linear electric motor and method for determining the commutation offset of a linear drive with such a synchronous linear electric motor.
  25. Arns, Jr.,Donald C.; Garcia,Pablo, System and method of magnetically sensing position of a moving component.
  26. Arns, Jr.,Donald C.; Garcia,Pablo, System and method of magnetically sensing position of a moving component.
  27. Low,Thomas P.; Clark,C. Bruce; Pelrine,Ronald E.; Eckerle,Joseph S.; Smith,Chris, Systems and methods of recording piston rod position information in a magnetic layer on a piston rod.
  28. Low,Thomas P.; Clark,C. Bruce; Pelrine,Ronald E.; Eckerle,Joseph S.; Smith,Chris, Systems for recording position information in a magnetic layer on a piston rod.
  29. Low,Thomas P.; Clark,C. Bruce; Pelrine,Ronald E.; Eckerle,Joseph S.; Smith,Chris, Systems of recording piston rod position information in a magnetic layer on a piston rod.
  30. Takayuki Imanaka JP; Satoshi Murakami JP; Yuji Arinaga JP; Koji Suzuki JP, Two-dimensional absolute position sensor.
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