BR9403318A - Demodulador para um sinal senoidal, e método para demodular um sinal senoidal. - Google Patents

Demodulador para um sinal senoidal, e método para demodular um sinal senoidal.

Info

Publication number
BR9403318A
BR9403318A BR9403318A BR9403318A BR9403318A BR 9403318 A BR9403318 A BR 9403318A BR 9403318 A BR9403318 A BR 9403318A BR 9403318 A BR9403318 A BR 9403318A BR 9403318 A BR9403318 A BR 9403318A
Authority
BR
Brazil
Prior art keywords
sinusoidal signal
demodulating
demodulator
sinusoidal
signal
Prior art date
Application number
BR9403318A
Other languages
English (en)
Inventor
Allan C Zoller
Original Assignee
Int Control Automation Finance
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 Int Control Automation Finance filed Critical Int Control Automation Finance
Publication of BR9403318A publication Critical patent/BR9403318A/pt

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/04—Measuring peak values or amplitude or envelope of AC or of pulses
    • 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
    • G01D1/00—Measuring arrangements giving results other than momentary value of variable, of general application
    • G01D1/12—Measuring arrangements giving results other than momentary value of variable, of general application giving a maximum or minimum of a value
    • 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
    • G01D5/22—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 differentially influencing two coils
    • G01D5/2291—Linear or rotary variable differential transformers (LVDTs/RVDTs) having a single primary coil and two secondary coils
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/006—Signal sampling

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Dc Digital Transmission (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
BR9403318A 1993-08-23 1994-08-23 Demodulador para um sinal senoidal, e método para demodular um sinal senoidal. BR9403318A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/110,020 US5399964A (en) 1993-08-23 1993-08-23 Peak amplitude detector for use in a synchronized position demodulator

Publications (1)

Publication Number Publication Date
BR9403318A true BR9403318A (pt) 1995-05-09

Family

ID=22330823

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9403318A BR9403318A (pt) 1993-08-23 1994-08-23 Demodulador para um sinal senoidal, e método para demodular um sinal senoidal.

Country Status (11)

Country Link
US (1) US5399964A (pt)
EP (1) EP0640811B1 (pt)
JP (1) JPH0786837A (pt)
KR (1) KR950007267A (pt)
CN (1) CN1118507A (pt)
AU (1) AU674591B2 (pt)
BR (1) BR9403318A (pt)
CA (1) CA2126843C (pt)
DE (1) DE69413164T2 (pt)
ES (1) ES2122173T3 (pt)
NO (1) NO942643L (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59609372D1 (de) * 1995-07-31 2002-07-25 Siemens Ag Schaltverfahren zum erzeugen eines schaltsignals bei erreichen einer schaltbedingung und zugehörige schaltung
US5805001A (en) * 1996-06-13 1998-09-08 Texas Instruments Instruments Incorporated Zero phase circuit for sampled data phase locked loop
US6051998A (en) * 1998-04-22 2000-04-18 Mitsubishi Semiconductor America, Inc. Offset-compensated peak detector with output buffering
TW461920B (en) * 1998-09-25 2001-11-01 Mitsubishi Heavy Ind Ltd Method of producing reduced iron and production facilities therefor
US7006897B2 (en) * 2001-07-26 2006-02-28 Thales North America, Inc. Apparatus, method and computer program product for monitoring AC line current through the step start resistors of a high voltage power supply
FR2854476B1 (fr) * 2003-04-30 2005-07-01 Datacard Inc Dispositif de comptage de produits empiles
KR100600796B1 (ko) * 2005-07-14 2006-07-19 삼성전자주식회사 디지털 제어방식의 고전압 발생장치 및 고전압 발생방법
US7936166B2 (en) * 2009-04-24 2011-05-03 Honeywell International Inc. Quarter cycle waveform detector
US8712710B2 (en) 2011-05-13 2014-04-29 Honeywell International Inc. Method and apparatus for detection of LVDT core fallout condition

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5542066A (en) * 1978-09-19 1980-03-25 Mitsubishi Electric Corp Peak value detector for sinusoidal ac wave
US4599560A (en) * 1983-04-11 1986-07-08 The Warner & Swasey Company AC excited transducer having stabilized phase sensitive demodulator circuit
US4627080A (en) * 1984-11-23 1986-12-02 At&T Bell Laboratories Adaptive timing circuit
US4777629A (en) * 1987-04-10 1988-10-11 Amoco Corporation Method and apparatus for detecting the peak of an analog signal
US4857919A (en) * 1987-09-14 1989-08-15 Conoco Inc. Method and apparatus for indicating the position of a core member of a variable differential transformer
US4847548A (en) * 1988-01-28 1989-07-11 General Signal Corporation Signal conditioner for a linear variable differential transformer

Also Published As

Publication number Publication date
US5399964A (en) 1995-03-21
NO942643D0 (no) 1994-07-14
JPH0786837A (ja) 1995-03-31
EP0640811B1 (en) 1998-09-09
NO942643L (no) 1995-02-14
DE69413164D1 (de) 1998-10-15
CA2126843A1 (en) 1995-02-24
CA2126843C (en) 1998-08-04
AU7038394A (en) 1995-03-23
EP0640811A1 (en) 1995-03-01
AU674591B2 (en) 1997-01-02
ES2122173T3 (es) 1998-12-16
DE69413164T2 (de) 1999-04-22
KR950007267A (ko) 1995-03-21
CN1118507A (zh) 1996-03-13

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Legal Events

Date Code Title Description
EE Request for examination
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FA8 Dismissal: dismissal - article 36, par. 1 of industrial property law