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Method of measuring the distance of a target and apparatus for its performance

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01C-003/08
출원번호 US-0885335 (1986-07-11)
우선권정보 DE-3122806 (1981-06-09); DE-3219423 (1982-05-24)
발명자 / 주소
  • Blkow Ludwig (Grnwald DEX) Mehnert Walter (Ottobrunn DEX) Chaborski Hoiko (Munich DEX)
출원인 / 주소
  • MTC Messtechnik und Optelektronik AG (Neuchatel CHX 03)
인용정보 피인용 횟수 : 71  인용 특허 : 2

초록

The distance of a target object is determined from the time of travel of a measuring light pulse which is emitted by a transmitter toward the target object, reflected thereby and received by a receiver. In timed relation with the instant of generation of the measuring light pulse, a start signal for

대표청구항

A method of measuring the distance of a target from a measuring appartus by determining the time of travel of individual unmodulated measuring light pulses of short duration to said target and therefrom, by reflection, back to the measuring apparatus, comprising the steps of: (a) providing an electr

이 특허에 인용된 특허 (2)

  1. Courrier Gilbert (Juvisy sur Orge FRX) Duchet Michel (Briis sous Forges FRX) Leblanc Michele (Orsay FRX) Moirez Jacques (Paris FRX), Device for measuring a component of wind speed.
  2. Holscher Hobbe D. (Randburg ZAX), Distance measuring device and method.

이 특허를 인용한 특허 (71)

  1. Mertz, Jacob J.; Bridges, Robert E., Absolute distance meter based on an undersampling method.
  2. Mertz, Jacob J.; Bridges, Robert E., Absolute distance meter that uses a fiber-optic switch to reduce drift.
  3. Bridges, Robert E., Absolute distance meter with optical switch.
  4. Olson, Robert A.; Gustavson, Robert L.; Wangler, Richard J.; McConnell, II, Robert E., Active near-field object sensor and method employing object classification techniques.
  5. Munro,James F., Apparatus for high accuracy distance and velocity measurement and methods thereof.
  6. Steffey, Kenneth; Steffensen, Nils P.; Bridges, Robert E., Automatic measurement of dimensional data with a laser tracker.
  7. Steffey, Kenneth; Steffensen, Nils P.; Bridges, Robert E., Automatic measurement of dimensional data with a laser tracker.
  8. Steffey, Kenneth, Automatic measurement of dimensional data within an acceptance region by a laser tracker.
  9. Dunne Jeremy G. (Littleton CO), Automatic noise threshold determining circuit and method for a laser range finder.
  10. Bridges, Robert E., Determining retroreflector orientation by optimizing spatial fit.
  11. Bridges, Robert E., Diagnosing multipath interference and eliminating multipath interference in 3D scanners by directed probing.
  12. Tohme, Yazid; Bridges, Robert E., Diagnosing multipath interference and eliminating multipath interference in 3D scanners using automated repositioning.
  13. Bridges, Robert E., Diagnosing multipath interference and eliminating multipath interference in 3D scanners using projection patterns.
  14. Kang, Byong-min; Lee, Kee-chang, Distance measurement method, medium, and apparatus for measuring distance between the distance measurement apparatus and target object.
  15. Kumagai, Kaoru; Yoshino, Ken ichiro, Distance measuring device.
  16. Goering, Hermann, Distance-measuring system.
  17. Goering, Hermann, Distance-measuring system.
  18. Yoshida Hisashi,JPX, Electro-optic distance measuring apparatus.
  19. Langland,Kenneth A., Emitter-detector assembly for a reflex photoelectric object detection system.
  20. Brown, Lawrence B.; Day, Jonathan Robert, Enhanced position detector in laser tracker.
  21. Benz Jurgen,DEX ; Philipps Werner,DEX ; Grabmaier Anton,DEX, Evaluation concept for distance measuring processes.
  22. Day, Jonathan Robert; Brown, Lawrence B.; West, James K., Gimbal instrument having a prealigned and replaceable optics bench.
  23. Hines Robin H. ; Murphy Patrick J. ; Glasscock Michael R. ; Goodman William L. ; Korba Anthony R. ; Harris Steven E., Hand-held distance-measurement apparatus and system.
  24. Harris Steven E., Hand-held distance-measurement device with an enhanced viewfinder.
  25. Gogolla, Torsten; Winter, Andreas; Seifert, Helmut, Hand-held pulse laser distance measuring device.
  26. Hocknell, Alan; Cackett, Matthew T.; Stevens, Daniel M.; Vincent, Brandon T., Laser range finder for use on a golf course.
  27. Hocknell, Alan; Cackett, Matthew T.; Stevens, Daniel M.; Vincent, Brandon T., Laser range finder for use on a golf course.
  28. Dunne Jeremy G. (Littleton CO), Laser range finder having selectable target acquisition characteristics and range measuring precision.
  29. Wetteborn Hainer,DEX, Laser range finding apparatus.
  30. Lai, Chih-Chen, Laser rangefinder.
  31. Steffey, Kenneth; Garey, Jeremy Markee; Day, Jonathan Robert; McDermott, Ian C.; White, Ian Vance; Jackson, Jr., Joseph W.; Messinger, Mathew Joseph, Laser tracker.
  32. Steffey, Kenneth; Garey, Jeremy Markee; Day, Jonathan Robert; McDermott, Ian C.; White, Ian Vance; Jackson, Jr., Joseph W.; Messinger, Matthew Joseph, Laser tracker.
  33. Bridges, Robert E.; Mertz, Jacob J., Laser tracker that combines two different wavelengths with a fiber-optic coupler.
  34. Bridges, Robert E.; Mertz, Jacob J., Laser tracker that uses a fiber-optic coupler and an achromatic launch to align and collimate two wavelengths of light.
  35. Bridges, Robert E., Laser tracker used with six degree-of-freedom probe having separable spherical retroreflector.
  36. Garey, Jeremy M.; Day, Jonathan Robert; Steffey, Kenneth; West, James K., Laser tracker with enhanced handling features.
  37. Steffey, Kenneth, Laser tracker with enhanced illumination indicators.
  38. Yokokura Takashi (Tokyo JPX) Hori Nobuo (Tokyo JPX) Shimozono Hiroaki (Tokyo JPX) Niimura Satoru (Tokyo JPX), Light wave range finder.
  39. Tanaka Tomohiro,JPX, Lightwave distance measuring apparatus and method.
  40. Grau, Markus; Parker, David H., Measurement machine utilizing a barcode to identify an inspection plan for an object.
  41. Cramer, Peter G.; Bridges, Robert E.; Steffensen, Nils P.; Mehler, Robert C.; Steffey, Kenneth; Hoffer, John M.; Lasley, Daniel G., Measurement system having air temperature compensation between a target and a laser tracker.
  42. Blohbaum Frank,DEX, Method and apparatus for determining the light transit time over a measurement path arranged between a measuring appara.
  43. Nagalla, Kalyan; Mehler, Robert C.; Bridges, Robert E., Method and apparatus for following an operator and locking onto a retroreflector with a laser tracker.
  44. Nagalla, Kalyan; Mehler, Robert C.; Bridges, Robert E., Method and apparatus for following an operator and locking onto a retroreflector with a laser tracker.
  45. Bridges, Robert E.; Park, Jennifer K., Method and apparatus for locking onto a retroreflector with a laser tracker.
  46. Reiche Martin,DEX, Method and electronic circuit for the processing of an analog signal.
  47. Schellmann, Michael, Method for distance measurement for vehicles by measuring transit time of laser pulses.
  48. Perger, Andreas, Method for optically measuring distance.
  49. Mira Silvio (Wermatswil CHX) Schwarte Rudolf (Netphen-Dreistietenbach DEX), Optoelectric distance measuring apparatus with delay and zero cross detector.
  50. Worner, Jorg, Optoelectronic apparatus.
  51. Braune, Ingolf; Wuestefeld, Martin, Optoelectronic monitor including dynamic testing unit.
  52. Zuk David M. (Ann Arbor MI), Range dispersion sensor.
  53. Nankivil Donald B. (Santa Ana CA), Range measurement for active optical recognition devices.
  54. Dunne Jeremy G., Self-calibrating precision timing circuit and method for a laser range finder.
  55. Dunne Jeremy G., Self-calibrating precision timing circuit and method for a laser range finder.
  56. Dunne Jeremy G., Self-calibrating precision timing circuit and method for a laser range finder.
  57. Dunne Jeremy G. (Littleton CO), Self-calibrating precision timing circuit and method for a laser range finder.
  58. Jeremy G. Dunne, Self-calibrating precision timing circuit and method for a laser range finder.
  59. Bridges, Robert E., Six degree-of-freedom laser tracker that cooperates with a remote line scanner.
  60. Bridges, Robert E.; Parker, David H., Six degree-of-freedom laser tracker that cooperates with a remote projector to convey information.
  61. Bridges, Robert E., Six degree-of-freedom laser tracker that cooperates with a remote sensor.
  62. Bridges, Robert E., Six degree-of-freedom laser tracker that cooperates with a remote structured-light scanner.
  63. Alalusi, Sayf, System and method for sensing distance and/or movement.
  64. Tohme, Yazid, System and method of acquiring three-dimensional coordinates using multiple coordinate measurement devices.
  65. Tohme, Yazid, System and method of acquiring three-dimensional coordinates using multiple coordinate measurment devices.
  66. Cramer, Peter G.; Bridges, Robert E.; Steffensen, Nils P.; Mehler, Robert C.; Steffey, Kenneth; Hoffer, Jr., John M.; Lasley, Daniel G., Target apparatus for three-dimensional measurement system.
  67. Becker, Bernd-Dietmar; Bridges, Robert E., Three-dimensional coordinate scanner and method of operation.
  68. Becker, Bernd-Dietmar; Bridges, Robert E., Three-dimensional coordinate scanner and method of operation.
  69. Tohme, Yazid; Pfeffer, Charles; Bridges, Robert E., Three-dimensional coordinate scanner and method of operation.
  70. Bridges, Robert E.; Tohme, Yazid; Becker, Bernd-Dietmar; Pfeffer, Charles, Three-dimensional scanner with external tactical probe and illuminated guidance.
  71. Mizushima Yoshihiko (Shizuoka JPX) Tsuchiya Yutaka (Shizuoka JPX) Koishi Musubu (Shizuoka JPX) Takeshima Akira (Shizuoka JPX), Time interval measuring device.
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