GB1109434A - Improvements in or relating to electrical measuring apparatus - Google Patents

Improvements in or relating to electrical measuring apparatus

Info

Publication number
GB1109434A
GB1109434A GB1590965A GB1590965A GB1109434A GB 1109434 A GB1109434 A GB 1109434A GB 1590965 A GB1590965 A GB 1590965A GB 1590965 A GB1590965 A GB 1590965A GB 1109434 A GB1109434 A GB 1109434A
Authority
GB
United Kingdom
Prior art keywords
chopper
input
transducer
vibrator
april
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB1590965A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Messen-Jaschin GA
Original Assignee
Messen-Jaschin GA
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 Messen-Jaschin GA filed Critical Messen-Jaschin GA
Publication of GB1109434A publication Critical patent/GB1109434A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/14—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M1/00—Testing static or dynamic balance of machines or structures
    • G01M1/14—Determining imbalance
    • G01M1/16—Determining imbalance by oscillating or rotating the body to be tested
    • G01M1/22—Determining imbalance by oscillating or rotating the body to be tested and converting vibrations due to imbalance into electric variables
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P15/11—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by inductive pick-up

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Measurement Of Current Or Voltage (AREA)
GB1590965A 1964-04-17 1965-04-14 Improvements in or relating to electrical measuring apparatus Expired GB1109434A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH503564A CH408454A (de) 1964-04-17 1964-04-17 Verfahren zum elektrischen Messen der auf eine Längenänderung umgesetzten Änderung einer physikalischen Grösse

Publications (1)

Publication Number Publication Date
GB1109434A true GB1109434A (en) 1968-04-10

Family

ID=4286831

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1590965A Expired GB1109434A (en) 1964-04-17 1965-04-14 Improvements in or relating to electrical measuring apparatus

Country Status (6)

Country Link
CH (1) CH408454A (https=)
DE (1) DE1302206C2 (https=)
ES (1) ES311762A1 (https=)
FR (1) FR1431478A (https=)
GB (1) GB1109434A (https=)
NL (1) NL6504699A (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2412053A1 (fr) * 1977-12-14 1979-07-13 Onera (Off Nat Aerospatiale) Procede et appareil de mesure de deplacement
GB2257787A (en) * 1991-07-03 1993-01-20 Motorola Inc Sensor signal conditioning circuit
CN107402311A (zh) * 2017-07-11 2017-11-28 浙江零跑科技有限公司 电机软解码智能测速方法
CN107505473A (zh) * 2017-07-11 2017-12-22 浙江零跑科技有限公司 基于锁相环的电机软解码测速算法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2442431A1 (fr) * 1978-11-22 1980-06-20 Roche Jean Circuits electroniques d'alimentation d'un capteur en tension a valeur moyenne nulle et de detection du signal de sortie
EP0258468B1 (de) * 1986-08-28 1990-01-24 Vickers Systems GmbH Verfahren zur induktiven Wegmessung und Wegsensor

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2412053A1 (fr) * 1977-12-14 1979-07-13 Onera (Off Nat Aerospatiale) Procede et appareil de mesure de deplacement
GB2257787A (en) * 1991-07-03 1993-01-20 Motorola Inc Sensor signal conditioning circuit
GB2257787B (en) * 1991-07-03 1994-08-03 Motorola Inc Sensor signal conditioning circuit
US5508651A (en) * 1991-07-03 1996-04-16 Motorola, Inc. Sensor signal conditioning circuit
DE4220761C2 (de) * 1991-07-03 2002-05-16 Motorola Inc Kraftfahrzeugsensoranordnung
CN107402311A (zh) * 2017-07-11 2017-11-28 浙江零跑科技有限公司 电机软解码智能测速方法
CN107505473A (zh) * 2017-07-11 2017-12-22 浙江零跑科技有限公司 基于锁相环的电机软解码测速算法
CN107505473B (zh) * 2017-07-11 2019-07-23 浙江零跑科技有限公司 基于锁相环的电机软解码测速算法

Also Published As

Publication number Publication date
DE1302206C2 (de) 1973-02-08
CH408454A (de) 1966-02-28
DE1302206B (https=) 1972-07-13
ES311762A1 (es) 1965-12-01
NL6504699A (https=) 1965-10-18
FR1431478A (fr) 1966-03-11

Similar Documents

Publication Publication Date Title
US2297543A (en) Device for amplifying direct voltage or current
GB1528984A (en) Alternating current transformers
GB1109434A (en) Improvements in or relating to electrical measuring apparatus
GB1187333A (en) Eddy Current Testing System
US1987539A (en) Electrical system
GB1113864A (en) Method and means for measuring linear or angular displacement
GB984982A (en) An arrangement for measuring direct current, and/or for producing a signal in dependence upon the value of a direct current
US3385107A (en) Apparatus for converting the ratio of two alternating electric signals into a directcurrent
GB1070081A (en) Improvements in or relating to apparatus for the direct measurement of capacitance
GB615667A (en) Improvements in and relating to radio apparatus for the measurement of distance
US3061780A (en) Polar displayer
US2368551A (en) Direct reading phasemeter
GB598710A (en) Improvements in or relating to electric measuring apparatus
GB914998A (en) Electronic indicator system
US2989698A (en) Phase comparison circuits
GB989177A (en) Improvements in or relating to electrical measuring circuits
SU149133A1 (ru) Смесительное устройство с автокомпенсацией помех
US2874350A (en) Measuring system
GB1018681A (en) Improved apparatus for the measurement of insulation from earth of electrical networks
GB1114574A (en) Improvements in or relating to electrical measuring apparatus
GB580752A (en) Improvements in or relating to radio altimeters
GB1285346A (en) Connectionless wattmeter
GB1069807A (en) Impedance-measuring circuit arrangements
GB636214A (en) Improvements in apparatus for measuring small steady or slowly varying signals
SU100913A1 (ru) Двухполупериодный контактный вибропреобразователь посто нного напр жени в переменное