IL53732A - Linear variable phase transformer - Google Patents

Linear variable phase transformer

Info

Publication number
IL53732A
IL53732A IL53732A IL5373278A IL53732A IL 53732 A IL53732 A IL 53732A IL 53732 A IL53732 A IL 53732A IL 5373278 A IL5373278 A IL 5373278A IL 53732 A IL53732 A IL 53732A
Authority
IL
Israel
Prior art keywords
variable phase
phase transformer
linear variable
linear
transformer
Prior art date
Application number
IL53732A
Other languages
English (en)
Other versions
IL53732A0 (en
Original Assignee
Pneumo Corp
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 Pneumo Corp filed Critical Pneumo Corp
Publication of IL53732A0 publication Critical patent/IL53732A0/xx
Publication of IL53732A publication Critical patent/IL53732A/xx

Links

Classifications

    • 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
    • G01D5/225—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 by influencing the mutual induction between the two coils
    • G01D5/2258—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 by influencing the mutual induction between the two coils by a movable ferromagnetic element, e.g. core

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
IL53732A 1977-01-12 1978-01-02 Linear variable phase transformer IL53732A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/758,654 US4134065A (en) 1977-01-12 1977-01-12 Transducer for directly converting mechanical displacement to phase information

Publications (2)

Publication Number Publication Date
IL53732A0 IL53732A0 (en) 1978-04-30
IL53732A true IL53732A (en) 1980-03-31

Family

ID=25052566

Family Applications (1)

Application Number Title Priority Date Filing Date
IL53732A IL53732A (en) 1977-01-12 1978-01-02 Linear variable phase transformer

Country Status (7)

Country Link
US (1) US4134065A (en, 2012)
JP (1) JPS53106065A (en, 2012)
BE (1) BE862846A (en, 2012)
CA (1) CA1106467A (en, 2012)
DE (1) DE2801203A1 (en, 2012)
GB (1) GB1593640A (en, 2012)
IL (1) IL53732A (en, 2012)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4297698A (en) * 1977-11-02 1981-10-27 Pneumo Corporation 360 Degree linear variable phase transformer
US4282485A (en) * 1978-05-22 1981-08-04 Pneumo Corporation Linear variable phase transformer with constant magnitude output
FR2461236B1 (fr) * 1979-07-06 1985-12-20 Pneumo Corp Transducteur a transformateur a phase variable lineaire sinus/cosinus
JPS57135917U (en, 2012) * 1981-02-20 1982-08-25
JPS58118934A (ja) * 1982-01-08 1983-07-15 Hitachi Ltd テ−プ張力検出装置
JPS58136718U (ja) * 1982-03-09 1983-09-14 株式会社エスジ− 位相シフト型直線位置検出装置
US4450443A (en) * 1982-03-18 1984-05-22 The Garrett Corporation Position transducer for digital systems
US4685678A (en) * 1982-08-13 1987-08-11 Bally Manufacturing Corporation Position transducer system for a joystick
AT375772B (de) * 1982-10-05 1984-09-10 Schmidt Armaturen Gusswerk Induktive laengen- und wegmesseinrichtung
US4514689A (en) * 1982-12-27 1985-04-30 Varian Associates, Inc. High resolution position sensing apparatus with linear variable differential transformers having phase-shifted energizing signals
US4599560A (en) * 1983-04-11 1986-07-08 The Warner & Swasey Company AC excited transducer having stabilized phase sensitive demodulator circuit
JPS6013405U (ja) 1983-07-05 1985-01-29 株式会社　東京衡機製造所 アクチユエ−タ
US4554624A (en) * 1983-10-31 1985-11-19 Harsco Corporation Railroad measuring, gauging and spiking apparatus
US4841245A (en) * 1985-02-11 1989-06-20 Sensor Technologies, Inc. Displacement sensor having multiplexed dual tank circuits
US4667158A (en) * 1985-04-01 1987-05-19 Redlich Robert W Linear position transducer and signal processor
US5061896A (en) * 1985-09-03 1991-10-29 United Technologies Corporation Variable transformer to detect linear displacement with constant output amplitude
US4893077A (en) * 1987-05-28 1990-01-09 Auchterlonie Richard C Absolute position sensor having multi-layer windings of different pitches providing respective indications of phase proportional to displacement
US4893078A (en) * 1987-05-28 1990-01-09 Auchterlonie Richard C Absolute position sensing using sets of windings of different pitches providing respective indications of phase proportional to displacement
US4841209A (en) * 1987-11-25 1989-06-20 United Technologies Corporation Actuator control system with displacement sensor fault detection
US4926123A (en) * 1988-01-22 1990-05-15 Sunpower, Inc. Precision variable pitch compensation winding for displacement transducer
EP0595367B1 (en) * 1988-01-22 1997-05-21 Data Instruments Inc. Displacement transducer with opposed coils for improved linearity and temperature compensation
US4891590A (en) * 1988-06-08 1990-01-02 Unico, Inc. Linear resolver utilizing plural nulled coil sets
DE3842367A1 (de) * 1988-12-16 1990-06-28 Meinl Roland Anordnung zur beeinflussung der klangfarbe eines elektrischen verstaerkers, insbesondere fuer gitarren
US5087866A (en) * 1991-05-22 1992-02-11 Lucas Industries Temperature compensating circuit for LVDT and control system
US5864215A (en) * 1992-03-06 1999-01-26 Hughes Aircraft Company Steering apparatus for controllably displacing a structure relative to a frame member
US5661397A (en) * 1995-09-22 1997-08-26 H. R. Textron Inc. Demodulator circuit for determining position, velocity and acceleration of displacement sensor independent of frequency or amplitude changes in sensor excitation signal
US5717331A (en) * 1995-09-22 1998-02-10 H.R. Textron, Inc. Demodulator circuit for use with a displacement sensor to provide position information
US5668480A (en) * 1996-06-20 1997-09-16 Moog Inc. Variable-phase resistive transducer, and method of operating same
US5867023A (en) * 1997-02-04 1999-02-02 Sunstrand Corporation Converter circuit for rotary transformer sensing devices
JP4810021B2 (ja) * 2001-08-31 2011-11-09 株式会社アミテック 位置検出装置
US7317371B1 (en) 2007-02-21 2008-01-08 Pearl Process Systems, Llc Linear variable differential transformer with complimentary step-winding secondary coils
GB2502001A (en) * 2011-01-07 2013-11-13 Woodward Mpc Inc Method and apparatus for a half-bridge variable differential transformer position sensing system
US20150008906A1 (en) * 2013-07-03 2015-01-08 Dennis K. Briefer Position sensing device
DE202017103847U1 (de) * 2017-06-28 2017-07-21 Airbus Operations Gmbh System zur Führung eines Roboters durch eine Passagierflugzeugkabine
US10371515B2 (en) * 2017-07-18 2019-08-06 BAE Systems Oontrols Inc. System and method for demodulating position sense signals output from position sensor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2769969A (en) * 1955-03-30 1956-11-06 Norton Co Electromagnetic micrometer
US2911632A (en) * 1955-05-03 1959-11-03 United Aircraft Corp Telemetric position transmitter
US3138772A (en) * 1959-05-28 1964-06-23 Automatic Timing And Controls Symmetrical differential transformers
US3265960A (en) * 1959-10-08 1966-08-09 Benjamin P Blasingame Capacitive resolver
GB963715A (en) * 1961-11-27 1964-07-15 Hughes Internat U K Ltd Continuous differential phase transformer
FR1481212A (fr) * 1966-04-06 1967-05-19 Sagem Perfectionnements apportés aux moyens électriques pour déterminer la position angulaire d'un arbre
GB1189981A (en) * 1966-05-19 1970-04-29 Ernest Howbrook Improvements in and relating to Displacement Measuring Devices
US3546570A (en) * 1968-04-19 1970-12-08 Giddings & Lewis Method for driving controlled currents through the stator windings of a position measuring transformer
US3671876A (en) * 1971-01-19 1972-06-20 George S Oshiro Pulse-phase comparators

Also Published As

Publication number Publication date
JPS53106065A (en) 1978-09-14
DE2801203C2 (en, 2012) 1989-02-23
US4134065A (en) 1979-01-09
IL53732A0 (en) 1978-04-30
JPS6117283B2 (en, 2012) 1986-05-07
CA1106467A (en) 1981-08-04
DE2801203A1 (de) 1978-08-10
BE862846A (fr) 1978-05-02
GB1593640A (en) 1981-07-22

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