GB1109434A - Improvements in or relating to electrical measuring apparatus - Google Patents
Improvements in or relating to electrical measuring apparatusInfo
- 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
Links
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000001360 synchronised effect Effects 0.000 abstract 1
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)
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 (fr) |
DE (1) | DE1302206C2 (fr) |
ES (1) | ES311762A1 (fr) |
FR (1) | FR1431478A (fr) |
GB (1) | GB1109434A (fr) |
NL (1) | NL6504699A (fr) |
Cited By (4)
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)
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 |
DE3668495D1 (de) * | 1986-08-28 | 1990-03-01 | Vickers Systems Gmbh | Verfahren zur induktiven wegmessung und wegsensor. |
-
1964
- 1964-04-17 CH CH503564A patent/CH408454A/de unknown
-
1965
- 1965-04-03 DE DE19651302206D patent/DE1302206C2/de not_active Expired
- 1965-04-13 NL NL6504699A patent/NL6504699A/xx unknown
- 1965-04-13 ES ES0311762A patent/ES311762A1/es not_active Expired
- 1965-04-14 FR FR13250A patent/FR1431478A/fr not_active Expired
- 1965-04-14 GB GB1590965A patent/GB1109434A/en not_active Expired
Cited By (8)
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 |
---|---|
NL6504699A (fr) | 1965-10-18 |
FR1431478A (fr) | 1966-03-11 |
DE1302206B (fr) | 1972-07-13 |
CH408454A (de) | 1966-02-28 |
DE1302206C2 (de) | 1973-02-08 |
ES311762A1 (es) | 1965-12-01 |
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