BR0107434A - Método e aparelho para isolamento ativo em detectores de circuito completo indutivo - Google Patents

Método e aparelho para isolamento ativo em detectores de circuito completo indutivo

Info

Publication number
BR0107434A
BR0107434A BR0107434-2A BR0107434A BR0107434A BR 0107434 A BR0107434 A BR 0107434A BR 0107434 A BR0107434 A BR 0107434A BR 0107434 A BR0107434 A BR 0107434A
Authority
BR
Brazil
Prior art keywords
circuit
inductive
complete
active isolation
full circuit
Prior art date
Application number
BR0107434-2A
Other languages
English (en)
Inventor
Steven Hilliard
Geoffrey W Hilliard
Original Assignee
Inductive Signature Tech 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 Inductive Signature Tech Inc filed Critical Inductive Signature Tech Inc
Publication of BR0107434A publication Critical patent/BR0107434A/pt

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING 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
    • G01D5/00—Mechanical 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
    • G01D5/12—Mechanical 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
    • G01D5/14—Mechanical 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
    • G01D5/20—Mechanical 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 inductance, e.g. by a movable armature
    • G01D5/2006—Mechanical 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 inductance, e.g. by a movable armature by influencing the self-induction of one or more coils
    • G01D5/2013—Mechanical 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 inductance, e.g. by a movable armature by influencing the self-induction of one or more coils by a movable ferromagnetic element, e.g. a core
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2611—Measuring inductance

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Near-Field Transmission Systems (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)

Abstract

"MéTODO E APARELHO PARA ISOLAMENTO ATIVO EM DETECTORES DE CIRCUITO COMPLETO INDUTIVO". Trata-se de um circuito oscilador (10) para uso com um sensor indutivo de circuito completo com fios (100) e método de uso. O circuito oscilador (10) altamente atenua o ruído de modo comum detectado pelo circuito completo com fios (100) e o ruído diferencial tanto do ambiente como das fontes de linha cruzada são filtrados pelo isolamento ativo.
BR0107434-2A 2000-01-05 2001-01-05 Método e aparelho para isolamento ativo em detectores de circuito completo indutivo BR0107434A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17462700P 2000-01-05 2000-01-05
PCT/US2001/000331 WO2001050436A1 (en) 2000-01-05 2001-01-05 Method and apparatus for active isolation in inductive loop detectors

Publications (1)

Publication Number Publication Date
BR0107434A true BR0107434A (pt) 2002-10-08

Family

ID=22636873

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0107434-2A BR0107434A (pt) 2000-01-05 2001-01-05 Método e aparelho para isolamento ativo em detectores de circuito completo indutivo

Country Status (12)

Country Link
US (2) US6337602B2 (pt)
EP (1) EP1247269A4 (pt)
JP (1) JP2003519849A (pt)
KR (1) KR20020065631A (pt)
AU (1) AU769037B2 (pt)
BR (1) BR0107434A (pt)
CA (1) CA2396418A1 (pt)
IL (1) IL150491A0 (pt)
MX (1) MXPA02006622A (pt)
NZ (1) NZ520134A (pt)
WO (1) WO2001050436A1 (pt)
ZA (1) ZA200205346B (pt)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR0009183A (pt) * 1999-03-22 2003-03-05 Inductive Signature Tech Inc Referência de portador modulado por permeabilidade
US6459739B1 (en) * 1999-12-30 2002-10-01 Tioga Technologies Inc. Method and apparatus for RF common-mode noise rejection in a DSL receiver
WO2001050436A1 (en) * 2000-01-05 2001-07-12 Inductive Signature Technologies, Inc. Method and apparatus for active isolation in inductive loop detectors
US6711215B1 (en) * 2000-05-22 2004-03-23 Netmor Ltd Electrical circuit for crosstalk reduction
AUPR182400A0 (en) * 2000-11-30 2001-01-04 Silverbrook Research Pty. Ltd. An apparatus (ap27)
AU2002346003A1 (en) * 2001-06-29 2003-03-03 Inductive Signature Technologies, Inc. Inductive signature measurement circuit
DE10305788A1 (de) * 2003-02-06 2004-09-02 E.G.O. Elektro-Gerätebau GmbH Schaltungsanordnung für induktiv arbeitende Sensoren und Verfahren zum Betrieb derselben
US7132959B2 (en) * 2003-03-05 2006-11-07 Diablo Controls, Inc. Non-interfering vehicle detection
US20060152213A1 (en) * 2003-03-11 2006-07-13 Thompson Michael F Apparatus for detecting the presence of electrically-conductive debris
US20050200489A1 (en) * 2004-02-24 2005-09-15 Sloop David J. Cushion immersion sensor
EP1875156A2 (en) * 2005-04-27 2008-01-09 Roho, Inc. Proximity sensor
US20100147832A1 (en) * 2008-12-16 2010-06-17 Barker Iii Charles R Induction cookware identifying
DE102009009061A1 (de) * 2009-01-21 2010-07-29 Gerd Reime Verfahren zum induktiven Erzeugen eines elektrischen Messsignals sowie zugehörige Sensorvorrichtung
JP5460199B2 (ja) * 2009-09-15 2014-04-02 株式会社未来技研 ループコイル式金属物体検知装置
DE102010029228A1 (de) * 2010-01-14 2011-07-21 Robert Bosch GmbH, 70469 Verfahren und Steuereinheit zum Steuern eines elektrischen Bauelementes
JP5803987B2 (ja) * 2013-06-20 2015-11-04 株式会社デンソー 負荷駆動制御装置
US9901499B2 (en) 2014-01-29 2018-02-27 Roho, Inc. Cushion immersion sensor
FR3029370A1 (fr) * 2014-12-02 2016-06-03 Orange Procede et dispositif d'annulation de bruit pour les systemes de transmission bifilaires
SG11202107304VA (en) * 2019-01-07 2021-08-30 Smartkable Llc An apparatus and method for monitoring a circuit under load using a circuit breaker
US12149206B2 (en) * 2022-06-22 2024-11-19 Infineon Technologies Ag Low current oscillator structure with common mode transient noise cancelation

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1992214A (en) 1928-11-12 1935-02-26 Katz David Traffic detector
US3587040A (en) * 1968-08-12 1971-06-22 Qonaar Corp Vehicle detector
US3641569A (en) 1970-10-01 1972-02-08 Raytheon Co Highway vehicle sensor system
US3775742A (en) * 1972-09-18 1973-11-27 Canoga Controls Corp Vehicle detection system
FR2254078B1 (pt) 1973-12-07 1976-10-08 Automatisme Cie Gle
US3873964A (en) 1974-02-19 1975-03-25 Indicator Controls Corp Vehicle detection
US3984764A (en) 1975-03-03 1976-10-05 Canoga Controls Corporation Inductive loop structure for detecting the presence of vehicles over a roadway
GB1588531A (en) 1977-01-11 1981-04-23 Redland Automation Ltd Vehicle detection
US4276539A (en) 1978-06-22 1981-06-30 U.S. Philips Corporation Vehicle detection systems
GB2065946B (en) * 1979-11-21 1983-08-24 Redland Automation Ltd Vehicle detiction installation
US4873494A (en) 1983-03-16 1989-10-10 Sarasota Automation Limited Inductive loop presence detector with cross talk filter
CH672383A5 (pt) * 1986-10-29 1989-11-15 Baumer Electric Ag
US5198811A (en) 1987-05-08 1993-03-30 Detector Systems, Inc. Vehicle communication system using existing roadway loops wherein the physical integrity of the loop is kept intact
DE69006235T2 (de) 1989-03-10 1994-05-05 Franz Josef Gebert Kabeleinbau zur Überwachung des Strassenverkehrs.
US5153525A (en) 1991-06-17 1992-10-06 Minnesota Mining And Manufacturing Company Vehicle detector with series resonant oscillator drive
US5361064A (en) 1991-06-17 1994-11-01 Minnesota Mining And Manufacturing Company Vehicle detector with power main noise compensation
US5323151A (en) * 1991-10-17 1994-06-21 Dial Code, Inc. Quick close circuit for electric gate
FR2693301B1 (fr) 1992-07-06 1994-08-05 Est Centre Tech Equip Dispositif pour detecter une ou plusieurs roues d'un engin mobile roulant.
US5491475A (en) 1993-03-19 1996-02-13 Honeywell Inc. Magnetometer vehicle detector
US5512891A (en) * 1994-05-04 1996-04-30 H. M. Electronics, Inc. Drive-up station vehicle detection system and method of using same
US5523753A (en) 1994-09-12 1996-06-04 Minnesota Mining And Manufacturing Company Vehicle detector system with periodic source filtering
DE19647127C2 (de) 1996-11-14 2000-04-20 Daimler Chrysler Ag Verfahren zur automatischen Verkehrsüberwachung mit Staudynamikanalyse
US6417784B1 (en) * 1996-12-03 2002-07-09 Inductive Signature Automotive vehicle classification and identification by inductive signature
DE69834456T2 (de) * 1997-07-25 2006-09-21 Matsushita Electric Industrial Co., Ltd., Kadoma Hochfrequenz-Oszillatorschaltung
WO2001050436A1 (en) * 2000-01-05 2001-07-12 Inductive Signature Technologies, Inc. Method and apparatus for active isolation in inductive loop detectors

Also Published As

Publication number Publication date
JP2003519849A (ja) 2003-06-24
AU769037B2 (en) 2004-01-15
US20010043124A1 (en) 2001-11-22
AU2763501A (en) 2001-07-16
US6337602B2 (en) 2002-01-08
WO2001050436A1 (en) 2001-07-12
US20030020635A1 (en) 2003-01-30
CA2396418A1 (en) 2001-07-12
US6803859B2 (en) 2004-10-12
KR20020065631A (ko) 2002-08-13
EP1247269A1 (en) 2002-10-09
NZ520134A (en) 2004-03-26
IL150491A0 (en) 2002-12-01
MXPA02006622A (es) 2002-09-30
ZA200205346B (en) 2004-03-29
EP1247269A4 (en) 2003-05-07

Similar Documents

Publication Publication Date Title
DE69017039D1 (de) Gassensor und dafür geeignete verbindungen.
ATE504077T1 (de) Flugzeit-massenspektrometer zur überwachung schneller prozesse
DE3879338D1 (de) Kapazitive messvorrichtung des gasgehaltes.
ES2077108T3 (es) Dispositivo y su utilizacion en la separacion de plasma de la sangre total.
IT8519720A0 (it) Complesso sensore per la rivelazione di gas tossici.
SE0001275D0 (sv) Öronpropp
DE69941107D1 (de) Gaskonzentrations-Messvorrichtung mit Fehlerkompensation des Ausgangssignals
DE69017376D1 (de) Ultraschallgasmessvorrichtung.
FI883305A7 (fi) Menetelmä ja laite kaasuvuodon ilmaisemiseksi.
GB2224578B (en) Calibrating the measurement of relative gas or vapour concentration.
AU2001252389A1 (en) Magnetic field sensor
NO870825L (no) Innretning for luftkjing av rfordeler for gassturbiner s kompressorer.
NO911168D0 (no) Flammedetekteringssystem i gassturbin med demper for reflekterte straaler fra flammen.
MXPA00011067A (es) Medicion de la concentracion de oxido nitrico en tejido..
IT1174284B (it) Procedimento per il trattamento di rivelatori di ossigeno in gas di scarico
ES1025758Y (es) Dispositivo de medicion para la determinacion del enturbiamiento de gases.
IT8820705A0 (it) Procedimento di calibrazione numerica di installazione di radiologia e installazione di calibrazione numerica per la messa in opera del procedimento.
GB9922601D0 (en) Device
DK0929812T3 (da) Diagnosehjælpemiddel samt fremgangsmåde til påvisning af drægtighed af drøvtyggere
ATA150689A (de) Optoelektronische messvorrichtung zur punktfoermigen erfassung von dosis, dosisleistung und dosisverteilungen
IT1321152B1 (it) Circuito e metodo per il controllo e la diagnosi di un sensore aossigeno.
UA26244C2 (uk) Струмовий каhал для вимірюваhhя потоку hейтроhів
FI922902L (fi) Detektorsystem foer gas.
ITFI930182A1 (it) Apparecchio elettronico per la rivelazione di gas infiammabili.
IT226550Z2 (it) Apparecchio perfezionato, comprendente un orologio ed un rivelatore di gas

Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE 7A. E 8A. ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 DA RPI 2012 DE 28/07/2009.