NZ596475A - Magnetic field detector for indicating tampering in a utility meter - Google Patents

Magnetic field detector for indicating tampering in a utility meter

Info

Publication number
NZ596475A
NZ596475A NZ596475A NZ59647511A NZ596475A NZ 596475 A NZ596475 A NZ 596475A NZ 596475 A NZ596475 A NZ 596475A NZ 59647511 A NZ59647511 A NZ 59647511A NZ 596475 A NZ596475 A NZ 596475A
Authority
NZ
New Zealand
Prior art keywords
voltage signal
magnetic field
digital voltage
meter
average value
Prior art date
Application number
NZ596475A
Other languages
English (en)
Inventor
Bruce Michael Pride
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of NZ596475A publication Critical patent/NZ596475A/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
    • G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
    • G01R22/061—Details of electronic electricity meters
    • G01R22/066—Arrangements for avoiding or indicating fraudulent use

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Emergency Alarm Devices (AREA)
  • Measuring Magnetic Variables (AREA)
NZ596475A 2010-11-18 2011-11-16 Magnetic field detector for indicating tampering in a utility meter NZ596475A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/948,986 US8688407B2 (en) 2010-11-18 2010-11-18 Method, device and computer program product for magnetic tamper detection in a meter

Publications (1)

Publication Number Publication Date
NZ596475A true NZ596475A (en) 2013-05-31

Family

ID=45217215

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ596475A NZ596475A (en) 2010-11-18 2011-11-16 Magnetic field detector for indicating tampering in a utility meter

Country Status (8)

Country Link
US (1) US8688407B2 (enExample)
EP (1) EP2455767B1 (enExample)
JP (1) JP6231255B2 (enExample)
AU (1) AU2011250808B2 (enExample)
BR (1) BRPI1104831B1 (enExample)
CA (1) CA2757886C (enExample)
ES (1) ES2706392T3 (enExample)
NZ (1) NZ596475A (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITNA20120068A1 (it) * 2012-11-21 2014-05-22 Silvio Chioni Schermatura magnetica per strumenti di misura.
US8614745B1 (en) 2013-02-04 2013-12-24 Wasmeyyah M. A. S. Al Azemi Fire hydrant monitoring system
US9658254B2 (en) * 2013-06-28 2017-05-23 Landis+Gyr, Inc. Magnetic tampering detection in a utility meter
US9435665B2 (en) 2014-02-07 2016-09-06 Aclara Meters Llc System and method for tamper detection in a utility meter
US9506950B2 (en) 2014-03-17 2016-11-29 Landis+Gyr, Inc. Tampering detection for an electric meter
WO2016111278A1 (ja) * 2015-01-08 2016-07-14 株式会社村田製作所 電流センサ
WO2016143043A1 (ja) * 2015-03-09 2016-09-15 オムロン株式会社 検出装置、電力量計
WO2016143042A1 (ja) * 2015-03-09 2016-09-15 オムロン株式会社 電力量計
US11067604B2 (en) * 2017-08-30 2021-07-20 Analog Devices International Unlimited Company Managing the determination of a transfer function of a measurement sensor
CN108717137B (zh) * 2018-03-30 2023-08-01 广东电网有限责任公司 一种基于声音信号的高频高压干扰窃电检测装置
US11674987B1 (en) * 2018-12-10 2023-06-13 Renesas Electronics America Inc. Switch-mode power supply control circuit and method for tampering detection in a power meter
US11092470B2 (en) 2019-09-13 2021-08-17 Micro Motion Inc. Magnetic flowmeter with noise adaptive dead time
US11156486B2 (en) * 2019-09-13 2021-10-26 Micro Motion, Inc. Magnetic flowmeter with improved processing
US11474132B2 (en) * 2020-11-03 2022-10-18 Honeywell International Inc. Method and apparatus for detecting and reporting tampering of an energy meter
CN113124916A (zh) * 2021-04-10 2021-07-16 珠海市岭南大数据研究院 一种工业传统指针式仪表转化器
US11650234B2 (en) * 2021-07-28 2023-05-16 Honeywell International Inc. Classification of magnet tampering conditions on a metering device
CN115951293A (zh) * 2022-12-27 2023-04-11 国网河北省电力有限公司营销服务中心 电流互感器的误差监测方法、电子设备、系统及存储介质
US12474384B2 (en) 2023-11-03 2025-11-18 Spindrift Innovations, LLC Differential dual sensor contactless magnetic-mode electrical current sensors with tamper detection
WO2025144663A1 (en) * 2023-12-28 2025-07-03 Landis+Gyr Technology, Inc. Electricity meter and method of controlling an electricity meter using an applied magnetic field

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06274778A (ja) * 1993-03-24 1994-09-30 Asahi Chem Ind Co Ltd プラント監視診断装置およびその異常徴候検出方法
JPH06281544A (ja) * 1993-03-29 1994-10-07 Asahi Chem Ind Co Ltd プラント監視診断装置およびその異常徴候判定方法
JP2000258109A (ja) * 1999-03-11 2000-09-22 Hitachi Ltd 変位量測定装置
US6885302B2 (en) 2002-07-31 2005-04-26 Itron Electricity Metering, Inc. Magnetic field sensing for tamper identification
GB2391948B (en) 2002-08-15 2006-11-15 Pri Ltd Apparatus for detecting tampering with a utility meter
EP2335651A1 (en) * 2003-07-11 2011-06-22 DePuy Products, Inc. In vivo joint space measurement device
JP2005301692A (ja) * 2004-04-12 2005-10-27 Toshiba Corp マスフローコントローラ及びマスフローコントローラの監視装置
HU228288B1 (en) * 2005-10-05 2013-02-28 Antal Gasparics Electricity meter with measuring device and with apparatus inspecting for proper operation of the measuring device
JP2007248363A (ja) * 2006-03-17 2007-09-27 Toshiba Corp 電子式水道メータ
US7667600B2 (en) 2006-12-16 2010-02-23 Roc2Loc, Inc. Methods and apparatus for security device removal detection
JP4797003B2 (ja) 2007-08-27 2011-10-19 株式会社オリンピア 遊技機
JP2009205317A (ja) * 2008-02-27 2009-09-10 Star Micronics Co Ltd 不正移設検出装置、工作機械及び動作制限方法
US8344881B1 (en) * 2009-11-25 2013-01-01 Exelis, Inc. System and method for cascaded tamper detection

Also Published As

Publication number Publication date
BRPI1104831B1 (pt) 2021-05-25
BRPI1104831A2 (pt) 2014-05-27
EP2455767B1 (en) 2018-10-17
US8688407B2 (en) 2014-04-01
AU2011250808A1 (en) 2012-06-07
JP2012108128A (ja) 2012-06-07
JP6231255B2 (ja) 2017-11-15
CA2757886A1 (en) 2012-05-18
AU2011250808B2 (en) 2015-11-12
EP2455767A1 (en) 2012-05-23
CA2757886C (en) 2016-01-05
BRPI1104831A8 (pt) 2017-12-05
US20120130681A1 (en) 2012-05-24
ES2706392T3 (es) 2019-03-28

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