FR2353830A1 - ELECTRO-MECHANICAL DEVICE FOR MEASURING SMALL MOVEMENTS - Google Patents

ELECTRO-MECHANICAL DEVICE FOR MEASURING SMALL MOVEMENTS

Info

Publication number
FR2353830A1
FR2353830A1 FR7716499A FR7716499A FR2353830A1 FR 2353830 A1 FR2353830 A1 FR 2353830A1 FR 7716499 A FR7716499 A FR 7716499A FR 7716499 A FR7716499 A FR 7716499A FR 2353830 A1 FR2353830 A1 FR 2353830A1
Authority
FR
France
Prior art keywords
electro
mechanical device
small movements
measuring small
measuring
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.)
Granted
Application number
FR7716499A
Other languages
French (fr)
Other versions
FR2353830B1 (en
Inventor
Svend Erik Fauerskov
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.)
Hottinger Bruel and Kjaer AS
Original Assignee
Bruel and Kjaer AS
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 Bruel and Kjaer AS filed Critical Bruel and Kjaer AS
Publication of FR2353830A1 publication Critical patent/FR2353830A1/en
Application granted granted Critical
Publication of FR2353830B1 publication Critical patent/FR2353830B1/fr
Granted legal-status Critical Current

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
    • G01D5/2006—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 by influencing the self-induction of one or more coils
    • G01D5/2013—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 by influencing the self-induction of one or more coils by a movable ferromagnetic element, e.g. a core
    • 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
    • G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
FR7716499A 1976-05-31 1977-05-31 ELECTRO-MECHANICAL DEVICE FOR MEASURING SMALL MOVEMENTS Granted FR2353830A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK238476A DK138287B (en) 1976-05-31 1976-05-31 Electromechanical measuring system for measuring mechanical displacement.

Publications (2)

Publication Number Publication Date
FR2353830A1 true FR2353830A1 (en) 1977-12-30
FR2353830B1 FR2353830B1 (en) 1982-02-26

Family

ID=8112011

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7716499A Granted FR2353830A1 (en) 1976-05-31 1977-05-31 ELECTRO-MECHANICAL DEVICE FOR MEASURING SMALL MOVEMENTS

Country Status (5)

Country Link
JP (1) JPS52147453A (en)
DE (1) DE2723564A1 (en)
DK (1) DK138287B (en)
FR (1) FR2353830A1 (en)
GB (1) GB1538415A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0232243A1 (en) * 1986-01-22 1987-08-12 Kamyr Ab Method and apparatus for distance measurement between two opposing surfaces which are moving relative to each other
FR2753873A1 (en) * 1996-09-24 1998-03-27 Thomson Marconi Sonar Sas PROCESS FOR SERVICING A VARIABLE RELUCTANCE TRANSDUCER, AND LINEAR MOTOR FOR THE IMPLEMENTATION OF SUCH A PROCESS

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5242524A (en) * 1990-05-16 1993-09-07 International Business Machines Corporation Device for detecting an end point in polishing operations
US5132617A (en) * 1990-05-16 1992-07-21 International Business Machines Corp. Method of measuring changes in impedance of a variable impedance load by disposing an impedance connected coil within the air gap of a magnetic core

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB641351A (en) * 1946-11-15 1950-08-09 Standard Telephones Cables Ltd Improvements in or relating to alternating current impedance bridges
US2569105A (en) * 1948-02-26 1951-09-25 William J James Magnetic position responsive device
GB877572A (en) * 1958-08-18 1961-09-13 Kurt Siegfried Lion Electric system for converting a change in a substantially linear impedance to a corresponding voltage
FR2321110A1 (en) * 1975-08-13 1977-03-11 Energiebedrijven Scheldeland INSTALLATION FOR MEASURING A ESSENTIALLY LINEAR DISPLACEMENT

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB641351A (en) * 1946-11-15 1950-08-09 Standard Telephones Cables Ltd Improvements in or relating to alternating current impedance bridges
US2569105A (en) * 1948-02-26 1951-09-25 William J James Magnetic position responsive device
GB877572A (en) * 1958-08-18 1961-09-13 Kurt Siegfried Lion Electric system for converting a change in a substantially linear impedance to a corresponding voltage
FR2321110A1 (en) * 1975-08-13 1977-03-11 Energiebedrijven Scheldeland INSTALLATION FOR MEASURING A ESSENTIALLY LINEAR DISPLACEMENT

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0232243A1 (en) * 1986-01-22 1987-08-12 Kamyr Ab Method and apparatus for distance measurement between two opposing surfaces which are moving relative to each other
FR2753873A1 (en) * 1996-09-24 1998-03-27 Thomson Marconi Sonar Sas PROCESS FOR SERVICING A VARIABLE RELUCTANCE TRANSDUCER, AND LINEAR MOTOR FOR THE IMPLEMENTATION OF SUCH A PROCESS
WO1998014033A1 (en) * 1996-09-24 1998-04-02 Thomson Marconi Sonar S.A.S. Method for automatic control of a transducer with variable reluctance, and linear motor for implementing same

Also Published As

Publication number Publication date
JPS52147453A (en) 1977-12-07
DE2723564C2 (en) 1987-04-30
FR2353830B1 (en) 1982-02-26
DK238476A (en) 1977-12-01
GB1538415A (en) 1979-01-17
DK138287B (en) 1978-08-07
DK138287C (en) 1979-01-15
DE2723564A1 (en) 1977-12-15

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Legal Events

Date Code Title Description
TP Transmission of property
CA Change of address