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특허 상세정보

Probe mapping diagnostic methods

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G01N-023/24    G01F-023/28   
미국특허분류(USC) 324/642; 324/637; 073/290.R; 073/304.R
출원번호 US-0229778 (1999-01-12)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Bose McKinney & Evans LLP
인용정보 피인용 횟수 : 26  인용 특허 : 48
초록

A method and apparatus for processing a time domain reflectometry (TDR) signal having a plurality of reflection pulses to generate a valid output result corresponding to a process variable for a material in a vessel. The method includes the steps of determining a reference signal along a probe in the vessel, establishing a first fiducial reference point, a reference end of probe location, a measuring length and a maximum probe length. The method also includes the steps of periodically detecting a TDR signal along the probe, establishing a second fiducial...

대표
청구항

A method and apparatus for processing a time domain reflectometry (TDR) signal having a plurality of reflection pulses to generate a valid output result corresponding to a process variable for a material in a vessel. The method includes the steps of determining a reference signal along a probe in the vessel, establishing a first fiducial reference point, a reference end of probe location, a measuring length and a maximum probe length. The method also includes the steps of periodically detecting a TDR signal along the probe, establishing a second fiducial...

이 특허에 인용된 특허 (48)

  1. Ross Gerald F. (Lexington MA). Apparatus and method for sensing a liquid with a single wire transmission line. USP1976113995212.
  2. Nelson Steven D. (Bradenton FL) Champion James R. (Sarasota FL) Leonard James S. (Parrish FL). Apparatus and method for sensing fluid level. USP1997085656774.
  3. Reddy ; III William J. (Scottsdale AZ). Capacitance measuring circuit and method for liquid leak detection by measuring charging time. USP1992105159276.
  4. Nikitas Nick C. (Danvers MA). Coaxial connectors. USP1983104408822.
  5. Vosper George W. (149 Earl St. Kingston ; Ontario CAX K7L 2H3). Construction of low water level sensing device for hot water boiler. USP1984084465088.
  6. Otto Johanngeorg (Hausen DEX) Burger Stefan (Freiburg DEX) Gerst Peter (Weil DEX). Device for measuring a level of material using microwaves. USP1997115689265.
  7. Lang Hugo (Pfeffingen CHX) Alznauer Miroslaw (Wies DEX). Device for the electrically insulated attachment of a metallic probe electrode in the opening of a housing. USP1995025391839.
  8. McEwan Thomas E. (Livermore CA). Electronic multi-purpose material level sensor. USP1997035609059.
  9. Oxenreider Terry Russel (Wernersville PA). Epoxy sealed lead battery probe and method for inserting same. USP1977034010537.
  10. McEwan Thomas E. (Livermore CA). High accuracy electronic material level sensor. USP1997035610611.
  11. Goellner Allan R. (Parma Heights OH). High pressure electrical conductivity probe. USP1985034507521.
  12. Smith ; III Robert E. (Missouri City TX). Hydraulic coupling with hollow metal o-ring seal. USP1994085339861.
  13. Krake Guss L. (6939 Harriet Ave. S. Minneapolis MN 55423). Level measuring system. USP1979014135397.
  14. McEwan Thomas E.. Light beam range finder. USP1998065767953.
  15. Elle Andr (Rmmingen DEX) Schmidt Hartmut (Steinen DEX). Method and an arrangement for distance measurement using the pulse transit time principle. USP1994065323361.
  16. Oswald Gordon K. A. (Colne GBX) Uisi Per A. V. (Ely GBX) Orme Elizabeth A. (Barrington GBX) Lawrence Thomas W. J. (Cambridge GBX). Method and apparatus for determining a fluid level in the vicinity of a transmission line. USP1995105457990.
  17. Dalrymple Thomas H. (Crown Point IN) Jean Buford R. (Round Rock TX) Erb Tom L. (Austin TX) Whitehead Frederick L. (Austin TX). Method and apparatus for monitoring a flowable material in a transportable vessel. USP1994045305237.
  18. Sartorius Wilfried (Steinen DEX). Method and arrangement for pulse spacing measurement. USP1982034322832.
  19. Kellmann Reinhard (Kiel DEX) Selke Manfred (Neumuenster DEX) Hauschultz Lars I. (Juebek DEX). Method and circuitry for determining the beginning of echo pulses. USP1995075436580.
  20. Richardson Alan Trevor,GBX ; Oswald Gordon Kenneth Andrew,GBX. Method of an apparatus for detecting the displacement of a target. USP1998035734346.
  21. Maltby Frederick L. (Jenkintown PA) Loewenstern Kenneth M. (Warminster PA) Benning ; Jr. Jack G. (Lansdale PA). Method of using capacitor probe with a semiconductive electrode. USP1981114301681.
  22. Theocharous Evangelos (London GB2). Optical fiber apparatus and method for remotely measuring an external parameter from a monitoring position. USP1987124713538.
  23. Reber Eric J. (Rockford IL). Oxygen sensing probe having improved sensor tip and tip-supporting tube. USP1990074944861.
  24. Skaling Whitney (Buellton CA) Skaling Percy E. (Santa Barbara CA). Probe for measuring moisture in soil and other mediums. USP1995055420517.
  25. Fller Werner (Stuhr DEX) Willenbrock Helmut (Achim DEX) Behnken Wolfgang (Delmenhorst DEX). Probe for monitoring liquid. USP1993125272921.
  26. Borchers Kerstin (Bremen DEX) Politt Joachim-Christian (Bremen DEX) Schroter Holger (Achim DEX). Probe for monitoring liquid with protection against leakage. USP1997095669263.
  27. Perdue Kenneth L. ; Wartmann Gerd ; Cummings Donald D.. Processor apparatus and method for a process measurement signal. USP1998115841666.
  28. Perdue Kenneth Lee ; Swager Richard B.. Processor apparatus and method for a process measurement signal. USP1999035884231.
  29. Otto Johanngeorg (Aalen-Hofherrnweiler DEX) Burger Stefan (Freiburg DEX) Gerst Peter (Karlsruhe DEX). Radar-based method of level measurement. USP1997035614911.
  30. Franz Han-Jrgen (Schopfheim DEX) Dreyer Volker (Lrrah-Haagen DEX). Rod-like probe for the capacitive measurement of the level in a container. USP1984054449405.
  31. Cottam Michael J. (Lancaster GB2) Morris Philip A. (Manchester GB2). Rotational speed probe subassembly with shroud arranged for mounting probe transducer to a support housing. USP1992065122740.
  32. Friese Karl-Hermann,DEX ; Weyl Helmut,DEX ; Fries Romuald,DEX. Seal seat for an electrochemical sensor element. USP1998045739441.
  33. Cummings Donald D. (Greenwood IN) Wartmann Gerd (Greenwood IN) Perdue Kenneth L. (Franklin IN). Sensor apparatus for process measurement. USP1997085661251.
  34. Grieger Bernd D. ; Cummings Donald D.. Sensor apparatus for process measurement. USP1998105827985.
  35. Alongi Anthony V. (6865 Walmore Rd. Niagara Falls NY 14304) Alongi Anthony J. (4214 Washington St. Niagara Falls NY 14305). Subsurface inspection radar. USP1987104698634.
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  38. Fullerton Larry W. (Huntsville AL). Time domain radio transmission system. USP1994115363108.
  39. Fullerton Larry W. (Huntsville AL). Time domain radio transmission system. USP1988054743906.
  40. Hook William R. (Box 10 Shawnigan Lake ; British Columbia CAX V0R 2W0). Timing markers in time domain reflectometry systems. USP1994125376888.
  41. McEwan Thomas E. (Livermore CA). Ultra-wideband directional sampler. USP1996055517198.
  42. McEwan Thomas E. (Livermore CA). Ultra-wideband radar motion sensor. USP1994115361070.
  43. McEwan Thomas E. (Livermore CA). Ultra-wideband receiver. USP1994095345471.
  44. Fullerton Larry W. (Huntsville AL) Cowie Ivan A. (Madison AL). Ultrawide-band communication system and method. USP1997105677927.
  45. Philipp Harald (4250 W. Lake Sammamish Pkwy. NE. ; #3052 Redmond WA 98052). Variable successive approximation converter. USP1992065122800.
  46. Petroff Alan M. (Huntsville AL) Fullerton Larry M. (Huntsville AL). Velocity measurement system. USP1993075226328.
  47. Petroff Alan M. (Huntsville AL) Fullerton Larry W. (Huntsville AL). Velocity measurement system. USP1991065020374.
  48. Petroff Alan M. (Huntsville AL) Fullerton Larry W. (Huntsville AL). Velocity measurement system. USP1994085333508.

이 특허를 인용한 특허 피인용횟수: 26

  1. Wajcer,Daniel; Sommer,Naftali; Semel,Nohik. Apparatus for and method of cable diagnostics utilizing time domain reflectometry. USP2007077245129.
  2. Teich,Stanley; Frank,Marguerite A.. Automatic wire dielectric analyzer. USP2006047031856.
  3. Willis, III, Thomas M.; Vannucci, Giovanni; Henry, Paul Shala. Guided wave communication system with interference cancellation and methods for use therewith. USP20180610003364.
  4. Edvardsson, Olov; Eriksson, Mikael; Larsson, Michael. Guided wave radar level gauge system for interface measurement. USP20190110184820.
  5. Haynes, Kevin M.. Guided wave radar level transmitter. USP2005046879282.
  6. Berry, James M.; Gard, Alan M.. Guided wave radar level transmitter with automatic velocity compensation. USP2005036867729.
  7. Klees, Dan; Vermeulen, Rob. Level measurement arrangement. USP2009097592946.
  8. Lin, I-Chu; Chang, Liang-Chi; Chen, Wei-Yu; Huang, Chun-Han; Hou, Yi-Liang. Material level indicator. USP2017079702750.
  9. Miskell, Thomas; Ki, George. Measuring of fluid in a vessel with two coaxial cable sections and a coupling therebetween using time domain reflectometry. USP2013038393208.
  10. Brillhart, David Clark; Dawson, Christopher James; Kendzierski, Michael David. Method and system for monitoring and instantly identifying faults in data communication cables. USP2010027660893.
  11. Chen,Hai Wen; Olson,Teresa L.. Method and system for multi-sensor data fusion. USP2006067065465.
  12. Cramer,Stefan; Hertel,Markus; Krieger,Bernd. Method for increasing the interference resistance of a time frame reflectometer and a circuit device of implementing said method. USP2006127145349.
  13. Chang, Liang-Chi; Huang, Chun-Han; Lin, I-Chu. Method for measuring level of material level measuring apparatus. USP2018059958309.
  14. Landry,Benjamine Joel; Kelly,James Francis. Methods of attribute collection for mapping. USP2009027493086.
  15. Michalski, Bernhard; Buser, Dominik; Scherr, Stefan. Propagation time measuring method for determining a distance. USP2013108552744.
  16. Delin, Håkan; Karlsson, Per. Radar level gauge system and method providing a signal indicative of process reliability. USP2009067551122.
  17. Miskell, Thomas J.; Rizzo, Vincent J.. Scan lock and track fluid characterization and level sensor apparatus and method. USP2011098020438.
  18. Delin, Håkan; Edvardsson, Olov. System and method for filling level determination. USP2009047525476.
  19. Edvardsson, Olov. System and method for filling level determination. USP2011098018373.
  20. Carvalho, Carlos E.; Sinnamon, John L.; Miskell, Thomas; Rizzo, Vincent J.. System and method for identifying fluids and monitoring fluid quality in a vessel. USP2014068746045.
  21. Miskell, Thomas J.; Tan, Zhenyu; Petriel, Kevin J.; Carvalho, Carlos E.; Lavon, Ronie. System and method for optimizing sweep delay and aliasing for time domain reflectometric measurement of liquid height within a tank. USP2014088794063.
  22. Kelly, Jr.,Thomas M.; Aeder,R. Gregory; Woodington,Walter Gordon. System and method for reducing a radar interference signal. USP2008077403153.
  23. Kelly, Jr., Thomas M.; Aeder, R. Gregory; Woodington, Walter Gordon. System and method for reducing the effect of a radar interference signal. USP2010037683827.
  24. Lavon, Ronie; Carvalho, Carlos Eduardo; Miskell, Thomas; Rizzo, Vincent; Petriel, Kevin John. TDR fluid level sensor. USP2016099453755.
  25. Ambrosio, Joseph Mario. Unitized energy storage system enclosure. USP2017129843078.
  26. Carvalho, Carlos E.; Ki, George. Vessel probe connector with solid dielectric therein. USP2013108549909.