BE853942A - Detecteur de fuites aux frequences radioelectriques - Google Patents

Detecteur de fuites aux frequences radioelectriques

Info

Publication number
BE853942A
BE853942A BE177003A BE177003A BE853942A BE 853942 A BE853942 A BE 853942A BE 177003 A BE177003 A BE 177003A BE 177003 A BE177003 A BE 177003A BE 853942 A BE853942 A BE 853942A
Authority
BE
Belgium
Prior art keywords
radio
leak detector
frequency leak
frequency
detector
Prior art date
Application number
BE177003A
Other languages
English (en)
Original Assignee
Comsonics Inc
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 Comsonics Inc filed Critical Comsonics Inc
Publication of BE853942A publication Critical patent/BE853942A/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • H04N7/102—Circuits therefor, e.g. noise reducers, equalisers, amplifiers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
    • G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
    • G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
BE177003A 1976-04-26 1977-04-26 Detecteur de fuites aux frequences radioelectriques BE853942A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/680,412 US4072899A (en) 1976-04-26 1976-04-26 RF leak detector

Publications (1)

Publication Number Publication Date
BE853942A true BE853942A (fr) 1977-08-16

Family

ID=24731003

Family Applications (1)

Application Number Title Priority Date Filing Date
BE177003A BE853942A (fr) 1976-04-26 1977-04-26 Detecteur de fuites aux frequences radioelectriques

Country Status (3)

Country Link
US (1) US4072899A (fr)
BE (1) BE853942A (fr)
CA (1) CA1069978A (fr)

Families Citing this family (53)

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US4276509A (en) * 1979-03-08 1981-06-30 Ppg Industries, Inc. Probe for testing conductor of an antenna windshield
US4354153A (en) * 1979-11-19 1982-10-12 Litton Systems, Inc. Microwave oven leakage detector and method of using same to test door seal leakage
US4439723A (en) * 1981-05-11 1984-03-27 Loftness Marvin O Ultrasonic and VHF locator of electrical systems defects
JPS5842977A (ja) * 1981-09-07 1983-03-12 Nippon Univac Kk 高周波電磁界検出装置
US4609866A (en) * 1984-05-07 1986-09-02 Loftness Marvin O Electrical systems interference locator
US4695788A (en) * 1984-12-11 1987-09-22 Hughes Aircraft Company Open fault location system for photovoltaic module strings
US4731586A (en) * 1985-11-14 1988-03-15 Westinghouse Electric Corp. Electrical noise detector for detecting power line gap defects
JPS63129735A (ja) * 1986-11-19 1988-06-02 Shimizu Constr Co Ltd 電磁遮蔽の異常検知処理システム
JPH0744501B2 (ja) * 1986-11-19 1995-05-15 清水建設株式会社 インテリジエントビルの電波漏洩診断システム
US5106293A (en) * 1987-10-13 1992-04-21 Arnold Hawkins System for detecting the condition of ignition assemblies
US5046132A (en) * 1989-05-19 1991-09-03 C.K. Consultants, Inc. Open field test site reference antenna with integral battery powered signal generator
US5477150A (en) * 1990-10-24 1995-12-19 Hendry Mechanical Works Electric arc and radio frequency spectrum detection
JP3210330B2 (ja) * 1990-10-24 2001-09-17 ヘンドリー・メカニカル・ワークス 電気的アーク及び無線周波数のスペクトル検出
CN1040912C (zh) * 1992-04-01 1998-11-25 亨德里机械工厂 电弧及射频频谱的检测
US5294937A (en) * 1992-05-20 1994-03-15 Cable Leakage Technologies Cable leakage monitoring system
US5493210A (en) * 1993-06-10 1996-02-20 Trilithic, Inc. Combined signal level meter and leakage detector
JP3084336B2 (ja) * 1994-01-31 2000-09-04 富士通株式会社 可搬型通信装置
US5608428A (en) * 1994-06-09 1997-03-04 Trilithic, Inc. Radio frequency leakage detection system for CATV system
US6018358A (en) * 1994-06-09 2000-01-25 Trilithic, Inc. Radio frequency leakage detection system for CATV system
US5777662A (en) * 1996-08-27 1998-07-07 Comsonics, Inc. Ingress/egress management system
US5982165A (en) * 1996-11-29 1999-11-09 Wavetek Corporation RF circuit for use in a combined leakage detector and signal level monitor
US5990687A (en) * 1997-05-29 1999-11-23 Williams; Thomas H. Measuring shield breaks in coaxial cable by a sheath test current
US6215514B1 (en) 1997-06-27 2001-04-10 Trilithic, Inc. Ingress monitoring system
US6307593B1 (en) * 1997-10-03 2001-10-23 Wavetek Corporation Pulsed leakage tagging signal
US6118975A (en) * 1997-12-02 2000-09-12 Wavetek Wandel Goltermann, Inc. Method and apparatus for leakage detection using pulsed RF tagging signal
DE19824157C1 (de) * 1998-05-29 2000-03-02 Siemens Ag Verfahren zur Ermittlung der Position einer defekten Schirmung eines Koaxialkabels oder Steckverbinders in einem Koaxialkabelnetz
US6833859B1 (en) * 1999-02-01 2004-12-21 Comsonics, Inc. Method of locating radio frequency leaks in a CATV system
US6611150B1 (en) 1999-03-31 2003-08-26 Sadelco, Inc. Leakage detector for use in combination with a signal level meter
US6804826B1 (en) * 1999-07-28 2004-10-12 Trilithic, Inc. Radio frequency leakage detection system for CATV system
CA2398687C (fr) * 2000-05-16 2008-09-23 Comsonics, Inc. Dispositif et procede permettant de determiner l'emplacement de l'entree de signaux
US7395548B2 (en) * 2001-07-26 2008-07-01 Comsonics, Inc. System and method for signal validation and leakage detection
US6801162B1 (en) 2003-04-16 2004-10-05 Cable Leakage Technologies, Inc. Doppler-based automated direction finding system and method for locating cable television signal leaks
US7548201B2 (en) * 2003-04-16 2009-06-16 Cable Leakage Technologies, Inc. Method and system for automatically analyzing and modifying cable television signal leak information
US7945939B2 (en) * 2005-07-20 2011-05-17 Cable Leakage Technologies, Inc. Method and system for analyzing cable television signal leak information
US9021539B2 (en) 2006-08-07 2015-04-28 Trilithic, Inc. Leakage location methods
US20080033698A1 (en) * 2006-08-07 2008-02-07 Trilithic, Inc. Leakage location methods
US7459916B2 (en) * 2006-08-30 2008-12-02 L-3 Communications Corporation Electromagnetic shielding defect monitoring system and method for using the same
US20080133308A1 (en) * 2006-11-27 2008-06-05 Harris James E Leakage location methods
US20080167808A1 (en) * 2007-01-05 2008-07-10 Harris James E Method for Displaying Leakage Location and Leakage Magnitude
US8963689B2 (en) * 2007-07-18 2015-02-24 Jds Uniphase Corporation Cable ID using RFID devices
US20090300534A1 (en) * 2008-05-30 2009-12-03 Trilithic, Inc. Apparatus and method for displaying network status
US8456530B2 (en) 2009-08-18 2013-06-04 Arcom Digital, Llc Methods and apparatus for detecting and locating leakage of digital signals
US8650605B2 (en) 2012-04-26 2014-02-11 Arcom Digital, Llc Low-cost leakage detector for a digital HFC network
PL227094B1 (pl) 2010-04-29 2017-10-31 Kabelkom Spółka Z Ograniczoną Odpowiedzialnością Sposób znakowania sygnałów uzywanych dowykrywania ipomiaru wycieków wsieciach telewizji kablowej oraz urzadzenie dowykrywania i/lub pomiaru wycieków znakowanych tym sposobem
US9491027B2 (en) 2011-04-06 2016-11-08 Comsonics, Inc. Miniature mobile marker system and method
US8749248B2 (en) 2011-04-06 2014-06-10 ConSonics, Inc. Shielding flaw detection and measurement in quadrature amplitude modulated cable telecommunications environment
MX343282B (es) 2011-06-27 2016-10-31 Trilithic Inc Metodo para detectar fugas en sistemas digitalmente modulados.
WO2014062649A2 (fr) 2012-10-15 2014-04-24 Trilithic, Inc. Certification à domicile fondée sur des icônes, procédé de recherche de fuites à l'intérieur d'un domicile, et pad d'appariement d'antennes
US9882668B2 (en) 2014-09-18 2018-01-30 Arcom Digital, Llc Detecting leakage of OFDM signals from an HFC network
US9832089B2 (en) 2015-01-07 2017-11-28 Arcom Digital, Llc Detecting leakage of OFDM signals from an HFC network
US9882663B2 (en) 2016-03-17 2018-01-30 Arcom Digital, Llc Doppler location of signal leaks in an HFC network
US10707917B2 (en) 2017-11-08 2020-07-07 Viavi Solutions, Inc. Instrument, system, and method for locating a leakage source
US11846666B2 (en) * 2021-08-10 2023-12-19 Charter Communications Operating Llc System and method for detecting cable system signal ingress

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3453533A (en) * 1964-02-03 1969-07-01 Mc Donnell Douglas Corp Means including a test probe having a pair of inductively coupled windings for locating faults in conductors
US3469190A (en) * 1966-06-27 1969-09-23 Anaconda Electronics Co Tunable r.f. voltmeter for catv signal level indication
GB1172683A (en) * 1966-07-28 1969-12-03 Electricity Council Improvements in or relating to Apparatus for and a Method of Locating Faults in Electrical Conductors.
US3551804A (en) * 1968-10-28 1970-12-29 Vernon W Weddle Method and apparatus for sonic detection of open breaks in overhead telephone cables
US3651403A (en) * 1970-05-18 1972-03-21 Jerrold Electronics Corp Simultaneous sweep testing system for catv
US3872470A (en) * 1973-04-18 1975-03-18 Airco Inc Audible signal generating apparatus having selectively controlled audible output
US3882287A (en) * 1973-04-20 1975-05-06 Perkins Res & Mfg Co Method and apparatus for detecting faults and locating conductors in multi-conductor cables
US3908165A (en) * 1974-06-10 1975-09-23 Arvin Ind Inc Field strength meter
US3991363A (en) * 1975-08-11 1976-11-09 Bell Telephone Laboratories, Incorporated Method and apparatus for detecting faults in buried insulated conductors

Also Published As

Publication number Publication date
CA1069978A (fr) 1980-01-15
US4072899A (en) 1978-02-07

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: COMSONICS INC.

Effective date: 19950430