KR880701369A - 은폐물을 탐지하는 용량성 센서 및 금속 탐지기 - Google Patents

은폐물을 탐지하는 용량성 센서 및 금속 탐지기

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Publication number
KR880701369A
KR880701369A KR1019870701111A KR870701111A KR880701369A KR 880701369 A KR880701369 A KR 880701369A KR 1019870701111 A KR1019870701111 A KR 1019870701111A KR 870701111 A KR870701111 A KR 870701111A KR 880701369 A KR880701369 A KR 880701369A
Authority
KR
South Korea
Prior art keywords
plate means
receiver
transmitter
plate
capacitor
Prior art date
Application number
KR1019870701111A
Other languages
English (en)
Inventor
더글러스 키이스
퀸톤 매이어 마아크
Original Assignee
로널드 에스 코어넬
듀라셀 인터내쇼날 인코포레이팃드
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 로널드 에스 코어넬, 듀라셀 인터내쇼날 인코포레이팃드 filed Critical 로널드 에스 코어넬
Publication of KR880701369A publication Critical patent/KR880701369A/ko

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/24Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
    • G01D5/2405Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by varying dielectric
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/088Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices operating with electric fields
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/15Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geophysics (AREA)
  • Electromagnetism (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Valve Device For Special Equipments (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

내용 없음.

Description

은폐물을 탐지하는 용량성 센서 및 금속 탐지기
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1도는 본 발명에 따른 물체 탐지기의 개략적 전개도,
제 2도는 제 1도의 탐지기의 일부를 구성하는 용량성 센서보오드의 영량성 센서 판 지역과, 탐지기의 일부를 구성하는 액정 디스플레이와의 관계를 보여주는 도면.

Claims (10)

  1. 사용시 표면 가까이에 고정되고 그 표면에 걸쳐 가로지르도록 의도된 지지체 ; 송신기 판 수단과 수신기 판 수단들을 포함하고, 은폐물의 존재로 인한 상기 표면 유전율의 변화에 반응하는 표유전계 캐패시터 수단 ; 및 상기 표유 전계 캐패시터 수단 판들 뒤에 위치한 송신기 및 수신기 코일들로 구성되는 금속 탐지 수단으로서, 상기 송신기 및 수신기 판 수단이 전기 저항체로 이루어진 상기 금속 탐지 수단 ; 으로 구성되어 상기 표면뒤에 있는 물체들을 탐지하는 장치.
  2. 제 1항에 있어서, 정전 스크린 수단이 상기 표유 전계 캐패시터 수단 판들과 상기 금속 탐지기 수단 코일들 사이에 위치하고 정상기준 전위에 접속되며, 상기 정전 스크린 수단의 각 판은 전기 저항체로 이루어지며, 상기 표유 전계 캐피시터 수단은 상기 지지체의 일면에 띄엄띄엄 있는 다수의 캐패시터 수신기 판 수단을 포함하고, 그리고 상기 정전 스크린 수단은 상기 지지체의 나머지 면에 있는 장치.
  3. 제 2항에 있어서, 상기 표유 전계 캐패시터 수단 판들 및 상기 정전 스크린 수단 판들은 저항성 잉크로 형성되고, 순환 전류가 크게 유도됨으로써 정전 하전 및 방전을 허용하는 반면에 상기 금속 탐지기로 부터의 자기장에는 반응하지 않는 표면 저항을 갖는 장치.
  4. 제 3항에 있어서, 은폐물의 존재로 인하여 각각의 수신기 판 수단에 인접한 표면 지역의 유전율 변화를 감지하는 회로와, 디스플레이 수단을 따라 띄엄띄엄 배열된 다수의 디스플레이 소자들을 더 포함하고, 그리고 각 소자가 관련 판 수단의 국부지역의 유전율에 따라 그 모양이 변하도록 판 수단과 관련되어 있고, 상기 지지체가 물체를 지남에 따라 상기 디스플레이 소자들이 상기 물체에 대한 관련 판 수단의 위치에 따라 그 모양을 변하고, 상기 물체의 윤곽이 상기 소자들에 투상되는 장치.
  5. 제 1항에 있어서, 다수의 수신기 판 수단들을 둘러싸고 상기 수신기 판 수단들에서 상기 송신기 판 수단을 부분적으로 시일드하는 역활을 하면서 정상 기준 전위에 접속된 보호판 수단을 더 포함하는 장치.
  6. 제 3항에 있어서, 상기 송신기 판 수단이 신호 발생 수단에 접속되고 상기 수신기 판 수단의 판들은 국부적인 유전율 변화의 결과로서 상기 송신기 판 수단으로 부터의 변화된 신호 수단을 탐지하도록 배열된 신호 수신 수단에 멀티플렉서 수단에 의하여 차례로 접속된 장치.
  7. 제 3항에 있어서, 상기 수신기 판 수단은 다수의 저항 스트립들이 회로판 상에 나란히 인접해 있는 형태로 형성되고, 상기 송신기 판 수단은 적어도 일단부에서 상기 저항 스트립들에 수직으로 뻗어 있으며, 각 수신기 판의 크기는 약 7.5㎜ × 50㎜ 이고, 상기 송신 판과 수신기 판들 사이의 간격은 7.5㎜ × 30㎜ 이며, 상기 정전 스크린 수단은 상기 송신기 및 수신기 판 수단이 놓여 있는 평면뒤로 약 2㎜ 떨어진 평면에 놓여있고, 상기 저항성 잉크는 수지 또는 접착제내에 흑연 입자들을 함유하고 상기 판 수단의 저항과 상기 스크린 수단의 저항이 스퀘어(square)당 약 200-2000Ω인 장치.
  8. 제 1항에 있어서, 상기 탐지기 수단은 전류가 흐르고 있는 케이블의 존재를 표시하기 위해 라인 간선에 의하여 상기 수신기 판 수단에 유도된 50-60㎐ 전류에 반응하고, 상기 캐패시터 수신기 판 수단에 의하여 수신된 신호의 크기가 디스플레이 수단에 표시되는 제 1모드와 상기 금속 탐지기 수단에서 나오는 신호들의 크 디스플레이 수단에 표시되는 제 2모드 사이에서 전환 가능한 제어 수단을 더 포함하는 장치.
  9. 사용시 표면 가까이에 고정되고 그 표면에 걸쳐 가로지르도록 의도된 지지체 ; 상기 지지체를 따라 띄엄띄엄 있는 다수의 캐패시터 판 수단 ; 은폐물의 존재로 인해 각 판 수단에 인접한 표면 지역에 생긴 유전율 변화를 감지하는 회로 ; 및 디스플레이 수단을 따라 띄엄띄엄 배치된 다수의 디스플레이 소자들 ; 로 구성되어 상기 표면뒤의 물체들을 탐지하는 장치로서 ; 각각의 디스플레이 소자는 판 수단과 관련되어 상기 관련 판 수단의 국부 지역 유전율에 따라 그 모양이 변화되고, 상기 지지체가 물체를 가로지르면서 상기 물체 대해 관련 판 수단의 위치에 따라 상기 디스플레이 소자 모양이 변화되며 상기 물체의 윤곽이 상기 소자들에 투상되는 상기 탐지 장치.
  10. 제 9항에 있어서, 상기 회로가 신호 발생 수단에 접속된 상기 지지체 상의 송신기 판 수단과, 국부적인 유전율의 변화의 결과로서 상기 송신기 판 수단에서 나오는 변화된 신호 수신을 탐지하도록 배열된 신호 수신 수단에 멀티플렉서 수단에 의하여 차례로 접속된 수신기 판 수단을 포함하는 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870701111A 1986-03-27 1987-03-24 은폐물을 탐지하는 용량성 센서 및 금속 탐지기 KR880701369A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB868607747A GB8607747D0 (en) 1986-03-27 1986-03-27 Device
GB8607747 1986-03-27
PCT/US1987/000666 WO1987006010A1 (en) 1986-03-27 1987-03-24 Capacitive sensor and metal detector for detecting concealed objects

Publications (1)

Publication Number Publication Date
KR880701369A true KR880701369A (ko) 1988-07-26

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ID=10595391

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KR1019870701111A KR880701369A (ko) 1986-03-27 1987-03-24 은폐물을 탐지하는 용량성 센서 및 금속 탐지기

Country Status (10)

Country Link
US (2) US4853617A (ko)
EP (2) EP0428502B1 (ko)
JP (1) JPH0750167B2 (ko)
KR (1) KR880701369A (ko)
CN (1) CN87104495A (ko)
AT (2) ATE93063T1 (ko)
CA (2) CA1274598A (ko)
DE (2) DE3786970T2 (ko)
GB (2) GB8607747D0 (ko)
WO (1) WO1987006010A1 (ko)

Families Citing this family (101)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1200312B (it) * 1986-11-06 1989-01-12 Ansaldo Spa Dispositivo per la localizzazione di tondini annegati in cementi armati con alte densita di armatura
US4998058A (en) * 1989-03-24 1991-03-05 Micro-Trak Systems, Inc. Apparatus including transmitter, receiver and display housings for locating corresponding points on opposite sides of a structure
US5223796A (en) * 1991-05-28 1993-06-29 Axiomatics Corporation Apparatus and methods for measuring the dielectric and geometric properties of materials
US5485092A (en) * 1991-08-01 1996-01-16 Fortin; Gabriel Method and device for electrostatically investigating surface and sub-surface structures
US5523690A (en) * 1992-07-24 1996-06-04 White's Electronics, Inc. Metal detector with bivariate display
US5352974A (en) * 1992-08-14 1994-10-04 Zircon Corporation Stud sensor with digital averager and dual sensitivity
US5757320A (en) * 1993-04-12 1998-05-26 The Regents Of The University Of California Short range, ultra-wideband radar with high resolution swept range gate
US5373245A (en) * 1993-07-12 1994-12-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Capaciflector camera
US5386196A (en) * 1993-08-23 1995-01-31 Denmar, Inc. System and method for accurate contactless measurement of the resistivity of a test material
US5543799A (en) * 1994-09-02 1996-08-06 Zircon Corporation Swept range gate radar system for detection of nearby objects
US5592092A (en) * 1994-10-28 1997-01-07 Gas Research Institute Pipe proximity warning device for accidental damage prevention mounted on the bucket of a backhoe
GB9422911D0 (en) * 1994-11-14 1995-01-04 Moonstone Technology Ltd Capacitive touch detectors
EP0751403A1 (en) * 1995-06-30 1997-01-02 Carlo Gavazzi AG Combined sensor
US5682788A (en) * 1995-07-12 1997-11-04 Netzer; Yishay Differential windshield capacitive moisture sensor
US5905455A (en) * 1995-08-11 1999-05-18 Zircon Corporation Dual transmitter visual display system
US5793206A (en) 1995-08-25 1998-08-11 Jentek Sensors, Inc. Meandering winding test circuit
US5917314A (en) 1996-08-08 1999-06-29 Zircon Corporation Electronic wall-stud sensor with three capacitive elements
US6781387B2 (en) 1997-01-06 2004-08-24 Jentek Sensors, Inc. Inspection method using penetrant and dielectrometer
CA2275550C (en) * 1997-01-06 2006-05-09 Jentek Sensors, Inc. Magnetometer and dielectrometer detection of subsurface objects
US6486673B1 (en) 1997-01-06 2002-11-26 Jentek Sensors, Inc. Segmented field dielectrometer
US5863445A (en) * 1997-03-27 1999-01-26 Control Screening L.L.C. Etched coil unibody digital detector
US5907280A (en) * 1997-04-28 1999-05-25 Dkl International, Inc. Static electrification assisted dielectrokinesis detection of plastics and other materials
US5959451A (en) * 1997-08-18 1999-09-28 Torfino Enterprises, Inc. Metal detector with vibrating tactile indicator mounted within a compact housing
CA2308166C (en) 1997-10-29 2007-09-04 Jentek Sensors, Inc. Absolute property measurement with air calibration
US6377039B1 (en) 1997-11-14 2002-04-23 Jentek Sensors, Incorporated Method for characterizing coating and substrates
GB9724542D0 (en) 1997-11-21 1998-01-21 Philipp Harald Electronic Smart Hammer
WO1999057557A1 (en) * 1998-05-04 1999-11-11 Dkl International, Inc. Inanimate entity location method by using dielectrophoresis
CA2331644A1 (en) 1998-05-12 1999-11-18 Neil J. Goldfine Methods for utilizing dielectrometry signals using estimation grids
US6211662B1 (en) 1998-08-07 2001-04-03 The Stanley Works Hand-held hidden object sensor for sensing a location of objects hidden behind a surface of an architectural structure
JP2002538469A (ja) 1999-03-05 2002-11-12 オートモーティブ システムズ ラボラトリー インコーポレーテッド 近接センサ
US6593754B1 (en) * 1999-04-01 2003-07-15 Actuant Corporation Compact subsurface object locator
US6259241B1 (en) 1999-06-22 2001-07-10 Zircon Corporation Projected display for portable sensor indicating the location of a detected hidden object behind a surface
US6445294B1 (en) 1999-07-15 2002-09-03 Automotive Systems Laboratory, Inc. Proximity sensor
JP2003506688A (ja) * 1999-08-02 2003-02-18 ジルコン コーポレーション 単一センサ式隠れ導体位置検出装置
US6441599B1 (en) 2000-01-28 2002-08-27 Donald S. Kropidlowski Reference point locator for residential and commercial construction
WO2001092900A1 (en) * 2000-05-26 2001-12-06 Automotive Systems Laboratory, Inc. Occupant sensor
US6636043B1 (en) * 2000-09-07 2003-10-21 Geometrics Group, Inc. Variable resolution vector positional display for use with an underground object locating system
DE10050193A1 (de) * 2000-10-09 2002-04-18 Micro Epsilon Messtechnik Sensoranordnung
WO2002063343A1 (de) * 2001-02-03 2002-08-15 Robert Bosch Gmbh Ortungsgerät
AUPR323001A0 (en) * 2001-02-21 2001-03-15 Macquarie Research Limited An apparatus and method for detecting an object in a medium
US7278218B2 (en) 2003-06-18 2007-10-09 Irwin Industrial Tool Company Laser line generating device with swivel base
US6735879B2 (en) 2001-05-15 2004-05-18 Irwin Industrial Tool Company Laser line generating device
WO2002095775A1 (en) * 2001-05-21 2002-11-28 Milli Sensor Systems & Actuators, Inc. Planar miniature inductors and transformers and miniature transformers for millimachined instruments
JP2003121554A (ja) * 2001-10-09 2003-04-23 Yunirekku:Kk 地中埋設物探知装置
DE10205002A1 (de) * 2002-02-07 2003-08-28 Bosch Gmbh Robert Ortungsgerät und zugehöriges Verfahren
US6911823B2 (en) 2002-02-11 2005-06-28 White's Electronics, Inc. Metal detector employing static discrimination
US6879161B2 (en) * 2002-02-11 2005-04-12 White's Electronics, Inc. Method and apparatus for distinguishing metal objects employing multiple frequency interrogation
US6914930B2 (en) 2002-05-31 2005-07-05 Black & Decker Inc. Laser level
DE10239431A1 (de) * 2002-08-28 2004-03-04 Robert Bosch Gmbh Ortungsgerät sowie Verfahren zur Herstellung eines Ortungsgerätes
US7013570B2 (en) 2003-06-18 2006-03-21 Irwin-Industrial Tool Company Stud finder
US7269907B2 (en) 2003-07-01 2007-09-18 Irwin Industrial Tool Company Laser line generating device with swivel base
DE102004007314A1 (de) * 2004-02-14 2005-08-25 Robert Bosch Gmbh Verfahren und Messgerät zur Ortung von in einem Medium eingeschlossenen Objekten
US7116091B2 (en) * 2004-03-04 2006-10-03 Zircon Corporation Ratiometric stud sensing
EP1723444A2 (en) * 2004-03-09 2006-11-22 Zircon Corporation Stud sensor with floating head
US7148703B2 (en) * 2004-05-14 2006-12-12 Zircon Corporation Auto-deep scan for capacitive sensing
US7193405B2 (en) * 2004-06-07 2007-03-20 The Stanley Works Electronic multi-depth object locator with self-illuminating optical element warning and detection
US7487596B2 (en) 2004-06-25 2009-02-10 Irwin Industrial Tool Company Laser line projected on an edge of a surface
US7178250B2 (en) 2004-07-21 2007-02-20 Irwin Industrial Tool Company Intersecting laser line generating device
US7191532B2 (en) * 2004-08-17 2007-03-20 Eastway Fair Company Limited Modular tool assembly having a vacuum mounting arrangement
US7181854B2 (en) 2004-08-17 2007-02-27 Eastway Fair Company Limited Laser leveling device having a suction mounting arrangement
WO2006036752A2 (en) * 2004-09-22 2006-04-06 Quasar Federal Systems, Inc. Passive magnetic detection system for security screening
DE102005005736A1 (de) * 2005-02-07 2006-09-28 Claas Selbstfahrende Erntemaschinen Gmbh Metalldetektionseinrichtung
US8253619B2 (en) * 2005-02-15 2012-08-28 Techtronic Power Tools Technology Limited Electromagnetic scanning imager
US7679546B2 (en) * 2006-09-20 2010-03-16 Techtronic Power Tools Technology Limited Apparatus and method of determining location of an object
DE102005015325A1 (de) * 2005-04-01 2006-10-05 Robert Bosch Gmbh Verfahren zur Lokalisierung von in einem Medium eingeschlossenen Objekten, sowie Messgerät zur Durchführung des Verfahrens
DE202005011783U1 (de) * 2005-07-27 2005-10-27 Robert Bosch Gmbh Ortungsgerät
CN2872361Y (zh) * 2006-02-28 2007-02-21 南京德朔实业有限公司 物体探测器
US7449892B2 (en) * 2006-06-02 2008-11-11 Cal-Tek 2000, Inc. Stray voltage detecting
US20080052927A1 (en) * 2006-09-05 2008-03-06 Eastway Fair Company Limited Self-leveling line generator
US20080062669A1 (en) * 2006-09-07 2008-03-13 Parel Thomas M Gravity dial level indicator for line generator
US7591075B2 (en) 2006-09-28 2009-09-22 Techtronic Power Tools Technology Limited Self-leveling mechanism
US20080110038A1 (en) * 2006-11-14 2008-05-15 Black & Decker Inc. System and method for hidden object detector with level
EP2030895A1 (de) * 2007-08-31 2009-03-04 Uhlmann VisioTec GmbH Vorrichtung zur überwachten Tablettenabfüllung
DE102007058088A1 (de) * 2007-12-03 2009-06-04 Robert Bosch Gmbh Sensor zur tiefenselektiven Ortung dielektrischer Werkstoffe und Verfahren zum Betrieb eines derartigen Sensor
US7982450B2 (en) * 2008-02-13 2011-07-19 Lanny S Smoot Device and method allowing the detection and display of objects located behind an obscuring surface
WO2009111743A1 (en) 2008-03-07 2009-09-11 Milwaukee Electric Tool Corporation Battery pack for use with a power tool and a non-motorized sensing tool
US8193802B2 (en) * 2008-04-09 2012-06-05 Milwaukee Electric Tool Corporation Slidably attachable non-contact voltage detector
DE102008054460A1 (de) * 2008-12-10 2010-06-17 Robert Bosch Gmbh Ortungsvorrichtung
US9664808B2 (en) 2009-03-06 2017-05-30 Milwaukee Electric Tool Corporation Wall scanner
US8669772B2 (en) 2010-03-04 2014-03-11 Franklin Sensors, Inc. Obscured feature detector housing
US8476912B2 (en) * 2010-03-04 2013-07-02 Franklin Sensors, Inc. Obscured feature detector and method
US8593163B2 (en) * 2010-03-04 2013-11-26 Franklin Sensors, Inc. Surface-conforming obscured feature detector
US8731333B2 (en) 2010-04-06 2014-05-20 Jeffrey M. Sieracki Inspection of hidden structure
DE102010028719A1 (de) * 2010-05-07 2011-11-10 Robert Bosch Gmbh Suchgerät
DE102010039953A1 (de) * 2010-08-30 2012-03-01 Robert Bosch Gmbh Verfahren zur Lokalisierung von in einem Medium eingeschlossenen Objekten, sowie Messgerät zur Durchführung des Verfahrens
US10442065B2 (en) 2011-05-23 2019-10-15 Illinois Tool Works Inc. Stud miss indicator for fastener driving tool
DE102011079258A1 (de) * 2011-07-15 2013-01-17 Hilti Aktiengesellschaft Verfahren und Vorrichtung zum Detektieren eines Objektes in einem Untergrund
DE102011079704A1 (de) * 2011-07-25 2013-01-31 Robert Bosch Gmbh Suchgerät
US9381635B2 (en) 2012-06-05 2016-07-05 Illinois Tool Works Inc. Fastener-driving tool including a fastening result detector
EP3374600B1 (en) * 2015-11-13 2023-07-12 Baker Hughes Holdings LLC Resistivity imaging using combination capacitive and inductive sensors
US10524592B2 (en) 2015-12-01 2020-01-07 Black & Decker Inc. Picture hanging device
USD792791S1 (en) 2015-12-01 2017-07-25 Black & Decker Inc. Stud sensor
EP3475737A1 (en) 2016-06-24 2019-05-01 Stanley Black & Decker, Inc. Systems and methods for locating a stud
US10908312B2 (en) 2016-06-24 2021-02-02 Stanley Black & Decker Inc. Systems and methods for locating a metal object
US9903975B1 (en) 2016-11-16 2018-02-27 Lanny Starkes Smoot Device and method to detect and display objects behind an obscuring surface
CN107065015B (zh) * 2017-01-23 2019-04-16 金华马卡科技有限公司 对隐蔽特征进行定位的方法和定位装置
EP3385758A1 (de) * 2017-04-05 2018-10-10 HILTI Aktiengesellschaft Vorrichtung und verfahren zum detektieren von elektrisch leitenden messobjekten in einem untergrund
US11693143B2 (en) 2019-09-30 2023-07-04 Zircon Corporation Scanner for detecting objects behind an opaque surface
US11131786B2 (en) 2019-09-30 2021-09-28 Zircon Corporation Scanner for detecting objects behind an opaque surface
CN113945983B (zh) * 2021-10-21 2023-08-22 西南石油大学 基于电容层析成像的埋地管道检测装置及识别方法
US12117319B2 (en) 2022-03-10 2024-10-15 Franklin Sensors Inc. Display methods, techniques, and apparatus for obscured feature detectors

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB818740A (en) * 1957-07-10 1959-08-19 Metrawatt Ag Improvements relating to electronic detecting appliances
US3609735A (en) * 1968-12-03 1971-09-28 Harris Intertype Corp Inductive-capacitive probe in machine for handling sheetlike material
CH548698A (de) * 1971-03-16 1974-04-30 Mueller Harro Schaltungsanordnung zur abgabe eines annaeherungssignals bei annaeherung eines menschlichen koerperteiles.
DE2718132A1 (de) * 1977-04-23 1978-11-02 Hermann Reiners Verfahren und vorrichtung zum auffinden von metall, insbesondere von metallischen leitungen
US4099118A (en) * 1977-07-25 1978-07-04 Franklin Robert C Electronic wall stud sensor
SE411392B (sv) * 1977-12-09 1979-12-17 Inst Mikrovagsteknik Vid Tekni Metanordning for kapacitiv bestemning av det inbordes leget hos tva relativt varandra rorliga delar
DE2919983A1 (de) * 1979-05-15 1980-11-27 Martin Prof Dr Ing Lambeck Elektromagnetisches pruefverfahren
JPS5744807A (en) * 1980-08-29 1982-03-13 Hitachi Ltd Flatness measuring apparatus
US4423377A (en) * 1980-11-12 1983-12-27 Garrett Electronics Compact metal detector of the balanced induction type
JPS5852518A (ja) * 1981-09-25 1983-03-28 Tanita Seisakusho:Kk 静電容量式変位センサ−における直線性補正装置
US4464622A (en) * 1982-03-11 1984-08-07 Franklin Robert C Electronic wall stud sensor
DE3235535A1 (de) * 1982-09-25 1984-03-29 Nolta GmbH, 3553 Cölbe Metallsuchgeraet
GB8323246D0 (en) * 1983-08-30 1983-09-28 Goring Kerr Plc Metal detection apparatus
FR2553885B1 (fr) * 1983-10-21 1986-01-31 Crouzet Badin Sa Dispositif de mesure de pression
BE899613A (fr) * 1984-05-09 1984-08-31 Sirmo S A Installations permettant la detection d'une piece metallique ainsi que de son traitement.
US4686454A (en) * 1984-08-22 1987-08-11 Pasar, Inc. Conductor tracer with improved open circuit detection, close-range discrimination and directionality
EP0231292A1 (en) * 1985-08-06 1987-08-12 Consolidated Technology Pty. Ltd. Detector device
DE3600446A1 (de) * 1986-01-09 1987-07-16 Doehler Peter Dipl Kaufm Einrichtung zur lokalisierung langgestreckter, unter einer dielektrischen schicht verlaufender leiter
US4748400A (en) * 1987-01-20 1988-05-31 Impact Systems, Inc. Method for controlling the amount of moisture associated with a web of moving material

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DE3784177D1 (de) 1993-03-25
EP0261227A1 (en) 1988-03-30
US4853617A (en) 1989-08-01
CA1287675C (en) 1991-08-13
JPH0750167B2 (ja) 1995-05-31
EP0261227A4 (en) 1990-03-21
DE3784177T2 (de) 1993-07-01
US4992741A (en) 1991-02-12
GB8607747D0 (en) 1986-04-30
ATE93063T1 (de) 1993-08-15
GB2188432A (en) 1987-09-30
JPH01500143A (ja) 1989-01-19
GB2188432B (en) 1990-08-22
ATE85710T1 (de) 1993-02-15
EP0428502B1 (en) 1993-02-10
WO1987006010A1 (en) 1987-10-08
DE3786970T2 (de) 1994-01-13
DE3786970D1 (de) 1993-09-16
EP0428502A1 (en) 1991-05-22
EP0261227B1 (en) 1993-08-11
GB8707282D0 (en) 1987-04-29
CN87104495A (zh) 1988-03-30
CA1274598A (en) 1990-09-25

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