DE3413523A1 - Messumformer vom passiven masse-feder-typ mit elektronischer daempfung - Google Patents

Messumformer vom passiven masse-feder-typ mit elektronischer daempfung

Info

Publication number
DE3413523A1
DE3413523A1 DE19843413523 DE3413523A DE3413523A1 DE 3413523 A1 DE3413523 A1 DE 3413523A1 DE 19843413523 DE19843413523 DE 19843413523 DE 3413523 A DE3413523 A DE 3413523A DE 3413523 A1 DE3413523 A1 DE 3413523A1
Authority
DE
Germany
Prior art keywords
coil
circuit
impedance
changes
temperature
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
DE19843413523
Other languages
German (de)
English (en)
Other versions
DE3413523C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Philip D. Pleasant Hill Calif. Flanner
Harold D. Orinda Calif. Morris
Gerald R. Concord Calif. Newell
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.)
Systron Donner Corp
Original Assignee
Systron Donner 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 Systron Donner Corp filed Critical Systron Donner Corp
Publication of DE3413523A1 publication Critical patent/DE3413523A1/de
Application granted granted Critical
Publication of DE3413523C2 publication Critical patent/DE3413523C2/de
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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
DE19843413523 1983-04-11 1984-04-10 Messumformer vom passiven masse-feder-typ mit elektronischer daempfung Granted DE3413523A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/483,584 US4538203A (en) 1983-04-11 1983-04-11 Passive mass-spring type of sensing device having electronic damping

Publications (2)

Publication Number Publication Date
DE3413523A1 true DE3413523A1 (de) 1984-10-18
DE3413523C2 DE3413523C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-02-01

Family

ID=23920664

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843413523 Granted DE3413523A1 (de) 1983-04-11 1984-04-10 Messumformer vom passiven masse-feder-typ mit elektronischer daempfung

Country Status (4)

Country Link
US (1) US4538203A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3413523A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2140654B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1175999B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5016258A (en) * 1988-06-10 1991-05-14 Matsushita Electric Industrial Co., Ltd. Digital modulator and demodulator
US4851959A (en) * 1988-07-25 1989-07-25 Eastman Kodak Company Solenoid engagement sensing circuit
US5204633A (en) * 1992-02-25 1993-04-20 International Business Machines Corporation Electromagnetic contactor with closure fault indicator
DE4234852C2 (de) * 1992-10-15 1997-04-10 Schenck Ag Carl Schwingungsmeßeinrichtung
DE19701997A1 (de) * 1997-01-22 1998-02-05 Erich Lippmann Vorverstärker für elektrodynamische Schwingungsaufnehmer
US6075754A (en) * 1997-04-08 2000-06-13 Vanzandt; Thomas R. Single-coil force balance velocity geophone
WO1999049324A1 (en) * 1998-03-25 1999-09-30 Vanzandt Thomas R Method and apparatus for improving performance of a force balance accelerometer based on a single-coil velocity geophone
US6618325B1 (en) 1998-11-10 2003-09-09 Vanzandt Thomas R. Method and apparatus for controlling damping and in situ determination of frequency response for high bandwidth force-balance single-coil geophone
US20040066185A1 (en) * 2000-11-20 2004-04-08 Emile Helayel Process for determining a relative movement of two systems and a sensor therefor
US7012852B2 (en) * 2002-12-17 2006-03-14 Battelle Energy Alliance, Llc Method, apparatus and system for detecting seismic waves in a borehole
IT1394794B1 (it) * 2009-05-22 2012-07-13 Rolls Royce Plc Dispositivo, metodo e programma per computer di controllo automatico per smorzatori elettromagnetici.
US8098546B2 (en) * 2009-07-08 2012-01-17 Geospace Technologies, Lp Geophone having improved sensitivity
US8208347B2 (en) * 2009-07-08 2012-06-26 Geospace Technologies, Lp Geophone having improved damping control
US8050144B2 (en) * 2009-07-08 2011-11-01 Geospace Technologies Lp Vertical geophone having improved distortion characteristics
CN106706007A (zh) * 2017-03-14 2017-05-24 匙庆磊 一种传感器阻尼比调整装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3412374A (en) * 1967-06-26 1968-11-19 Teledyne Exploration Co Short period seismic system with long period response
DE2017905B2 (de) * 1969-04-14 1979-09-06 Sperry Rand Corp., New York, N.Y. (V.St.A.) Elektromagnetischer Geber
DE3307575C2 (de) * 1983-03-03 1984-12-20 Erich Dipl.-Geophys. 8372 Lindberg Lippmann Elektrodynamisches Seismometer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2562983A (en) * 1947-05-27 1951-08-07 Socony Vacuum Oil Co Inc Frequency-adjustable seismic wave detector
US3453573A (en) * 1966-04-29 1969-07-01 Physical Sciences Corp Temperature compensated transducer
US3633053A (en) * 1970-06-18 1972-01-04 Systron Donner Corp Vibration transducer
HU173035B (hu) * 1975-01-09 1979-02-28 Banyaszati Kutato Intezet Ustrojstvo dlja izmerenija skorosti mekhanicheskogo kolebanija nizkoj chastoty
US4144764A (en) * 1978-05-11 1979-03-20 Schaevitz Engineering Servo amplifier for an electrically damped accelerometer
NL175856C (nl) * 1979-12-21 1987-12-16 Terra Dynamics B V Omzetter voor het opnemen van mechanische trillingen en een met een dergelijke omzetter gevormde seismometer, benevens een schakeling voor het in subgroepen onderverdelen van een aantal van zulke seismometers.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3412374A (en) * 1967-06-26 1968-11-19 Teledyne Exploration Co Short period seismic system with long period response
DE2017905B2 (de) * 1969-04-14 1979-09-06 Sperry Rand Corp., New York, N.Y. (V.St.A.) Elektromagnetischer Geber
DE3307575C2 (de) * 1983-03-03 1984-12-20 Erich Dipl.-Geophys. 8372 Lindberg Lippmann Elektrodynamisches Seismometer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
US-Buch: A.James Diefenderfer: Principles of electronic Instrumentation, S. 221-230, Saunders College Publishing, Philadelphia 1973 *

Also Published As

Publication number Publication date
US4538203A (en) 1985-08-27
IT8420471A0 (it) 1984-04-10
DE3413523C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-02-01
GB2140654B (en) 1986-05-21
GB2140654A (en) 1984-11-28
IT1175999B (it) 1987-08-12

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee