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NO942643D0 - Demodulator og fremgangsmåte derved - Google Patents

Demodulator og fremgangsmåte derved

Info

Publication number
NO942643D0
NO942643D0 NO942643A NO942643A NO942643D0 NO 942643 D0 NO942643 D0 NO 942643D0 NO 942643 A NO942643 A NO 942643A NO 942643 A NO942643 A NO 942643A NO 942643 D0 NO942643 D0 NO 942643D0
Authority
NO
Norway
Prior art keywords
demodulator
Prior art date
Application number
NO942643A
Other languages
English (en)
Other versions
NO942643L (no
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 NO942643D0 publication Critical patent/NO942643D0/no
Publication of NO942643L publication Critical patent/NO942643L/no

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/24Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/04Measuring peak values or amplitude or envelope of ac or of pulses
    • 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
    • G01D1/00Measuring arrangements giving results other than momentary value of variable, of general application
    • G01D1/12Measuring arrangements giving results other than momentary value of variable, of general application giving a maximum or minimum of a value
    • 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
    • G01D5/20Mechanical 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
    • G01D5/22Mechanical 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
    • G01D5/2291Linear or rotary variable differential transformers (LVDTs/RVDTs) having a single primary coil and two secondary coils
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041Functional aspects of demodulators
    • H03D2200/006Signal 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)
  • Dc Digital Transmission (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
NO942643A 1993-08-23 1994-07-14 Demodulator og fremgangsmåte derved NO942643L (no)

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 (2)

Publication Number Publication Date
NO942643D0 true NO942643D0 (no) 1994-07-14
NO942643L NO942643L (no) 1995-02-14

Family

ID=22330823

Family Applications (1)

Application Number Title Priority Date Filing Date
NO942643A NO942643L (no) 1993-08-23 1994-07-14 Demodulator og fremgangsmåte derved

Country Status (11)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997005455A1 (de) * 1995-07-31 1997-02-13 Siemens Aktiengesellschaft 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
DE69413164T2 (de) 1999-04-22
BR9403318A (pt) 1995-05-09
EP0640811B1 (en) 1998-09-09
EP0640811A1 (en) 1995-03-01
NO942643L (no) 1995-02-14
CN1118507A (zh) 1996-03-13
AU674591B2 (en) 1997-01-02
CA2126843A1 (en) 1995-02-24
JPH0786837A (ja) 1995-03-31
US5399964A (en) 1995-03-21
DE69413164D1 (de) 1998-10-15
CA2126843C (en) 1998-08-04
AU7038394A (en) 1995-03-23
ES2122173T3 (es) 1998-12-16
KR950007267A (ko) 1995-03-21

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