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Linear encoder and a guide unit on which it is equipped 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01B-007/14
  • G01B-007/00
  • H02K-041/02
출원번호 US-0480942 (1995-06-07)
우선권정보 JP-0173889 (1992-06-08)
발명자 / 주소
  • Takei Seiji (Kanagawa-ken JPX)
출원인 / 주소
  • Nippon Thompson Co., Ltd. (Tokyo JPX 03)
인용정보 피인용 횟수 : 45  인용 특허 : 0

초록

The present invention relates to a linear encoder that does not require the connection cable to be pulled around and has a simple constitution, while also contributing to smooth operation of the moving side as well as reduced size of the apparatus. In addition, the present invention also relates to

대표청구항

A linear encoder that performs positional detection of relative motion of two objects, said encoder comprising: a detecting element comprising a plurality of electromagnetic conversion elements arranged in a row at equal intervals in a direction of relative motion of the two objects on a stationary

이 특허를 인용한 특허 (45)

  1. Hosek, Martin; Moura, Jairo Terra; Hofmeister, Christopher, Commutation of an electromagnetic propulsion and guidance system.
  2. Jacobs, Keith, Controlled motion system.
  3. Jacobs, Keith G., Controlled motion system.
  4. Jacobs, Keith G., Controlled motion system.
  5. Wooh Shi-Chang, Flaw detection system using acoustic doppler effect.
  6. Wooh, Shi-Chang, Flaw detection system using acoustic doppler effect.
  7. Wooh, Shi-Chang, Flaw detection system using acoustic doppler effect.
  8. Tamai,Hirofumi, Integrated wireless linear motor.
  9. Takei Seiji (Kanagawa JPX), Linear electromagnetic actuator and a drive unit on which it is equipped.
  10. Tsuruta Naohito,JPX, Linear encoding device with staggered detectors.
  11. Obara Kouji,JPX ; Hagiya Takaaki,JPX, Linear motion rolling guide unit with detection device.
  12. Yeh Chi-Wen,TWX ; Wu Ching-Shan,TWX, Linear motion rolling guide unit with detection device.
  13. Teramachi,Akihiro; Aso,Toshiyuki; Tanaka,Yoshinobu; Kaneshige,Hiroshi; Xu,Yuanjun, Linear motor actuator.
  14. Clark, Tracy M.; Webber, Todd; Bottasso, Michael; Mosher, Robert; King, Nathan, Linear motor transport for packaging and other uses.
  15. Charles Albert Spellman, Linear position sensor using magnetic fields.
  16. Jeter, Philip Lynn; Kehrer, Karoly; Gurol, Husam, Linear synchronous motor with phase control.
  17. LaCroix, Mark, Magnetic encoder for producing an index signal.
  18. Driver, John, Measuring instrument.
  19. Lankin,Robert Gordon; Robinson,Wayne Michael; MacKay,David Kyle; Fortuna,Jeffrey John; Madusuthanan,Sajeev; Lindsay,Scott Charles; Cybulski,Michael A.; Hancock,Michael J.; Holl,Robert A.; Mowat,Donal, Modular conveyor system having multiple moving elements under independent control.
  20. Peltier Kenneth,CAX ITX deceased ; Laura H. Peltier ; legal representative ; Lankin Robert Gordon,CAX ; Robinson Wayne Michael,CAX ; MacKay David Kyle,CAX ; Fortuna Jeffrey John,CAX ; Madusuthanan Sa, Modular conveyor system having multiple moving elements under independent control.
  21. Moura, Jairo; Krishnasamy, Jay; Hosek, Martin, Motor stator with lift capability and reduced cogging characteristics.
  22. Vangal-Ramamurthy, Jambunathan; Yan, Kam Fung, Moveable slider for use in a device assembly process.
  23. Hosek, Martin; Hofmeister, Christopher; Zettler, John F.; Krupyshev, Alexander; Syssoev, Sergei; Majczak, Krzystof, Multiple dimension position sensor.
  24. Hosek, Martin; Hofmeister, Christopher; Zettler, John F.; Krupyshev, Alexander; Syssoev, Sergei; Majczak, Krzystof, Multiple dimension position sensor.
  25. Sun, Xiuhong, Partial arc curvilinear direct drive servomotor.
  26. Sakurai, Satoshi; Yatsu, Nobuo; Akieda, Shinichiro; Shimizu, Nobuyoshi; Harada, Keita, Position detection device.
  27. Hanisch, Christoph, Position detection device for a linear drive.
  28. Sakurai, Satoshi; Yatsu, Nobuo; Akieda, Shinichiro; Shimizu, Nobuyoshi; Harada, Keita, Position detection device, pointing device and input device.
  29. Hopmann, Don A.; Cousin, Daniel M.; Yeriazarian, Levon H.; Franco, Juan P.; Jasser, Ahmed J.; Ranjan, Priyesh, Position sensor for a downhole completion device.
  30. Hosek, Martin; Moura, Jairo Terra; Hofmeister, Christopher, Reduced-complexity self-bearing brushless DC motor.
  31. Gilchrist, Ulysses; Hosek, Martin; Moura, Jairo Terra; Krishnasamy, Jay; Hofmeister, Christopher, Robot drive with magnetic spindle bearings.
  32. Gilchrist, Ulysses; Hosek, Martin; Moura, Jairo Terra; Krishnasamy, Jay; Hofmeister, Christopher, Robot drive with magnetic spindle bearings.
  33. Horiguchi,Masashi; Kawase,Yasushi; Akiba,Takesada; Nakagome,Yoshinobu; Kajigaya,Kazuhiko, Semiconductor integrated circuit including first and second switching transistors having operation states corresponding to operation states of first and second logic circuits.
  34. Hosek, Martin; Hofmeister, Christopher, Sensor for simultaneous position and gap measurement.
  35. King, Nathanael N.; Perreault, Brian M.; Clark, Tracy M.; Thornton, Richard D.; Young, Jason; Bottasso, Michael W.; Mendenhall, Jesse, Short block linear synchronous motors and switching mechanisms.
  36. Horibe, Hirofumi; Sakai, Tetsuya, Small slider unit.
  37. Obara Kouji,JPX, Spline bearing with detection device.
  38. Krupyshev, Alexander G.; Hofmeister, Christopher, Substrate processing apparatus with motors integral to chamber walls.
  39. Loretta F. Hanschu ; Edmond Van Elslander ; Hans Johnson ; Ronald R. Davenport ; Michael P. Dotz, Test apparatus for vehicle intrusion alarm.
  40. King, Nathanael N.; Perreault, Brian M.; Clark, Tracy M.; Thornton, Richard D.; Young, Jason; Bottasso, Michael W., Transport system powered by short block linear synchronous motors.
  41. King, Nathanael N.; Perreault, Brian M.; Clark, Tracy M.; Thornton, Richard D.; Young, Jason; Bottasso, Michael W., Transport system powered by short block linear synchronous motors.
  42. King, Nathanael N.; Perreault, Brian M.; Clark, Tracy M.; Thornton, Richard D.; Young, Jason; Bottasso, Michael W., Transport system powered by short block linear synchronous motors and switching mechanism.
  43. King, Nathanael N.; Perreault, Brian M.; Clark, Tracy M.; Thornton, Richard D.; Young, Jason; Bottasso, Michael W.; Mendenhall, Jesse, Transport system powered by short block linear synchronous motors and switching mechanism.
  44. Wooh, Shi-Chang, Tuned wave phased array.
  45. Tsukamoto, Hideki, Wire cut electric discharge machine using linear motors.
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