DE68912183T2 - Längenmessgeber. - Google Patents

Längenmessgeber.

Info

Publication number
DE68912183T2
DE68912183T2 DE89301169T DE68912183T DE68912183T2 DE 68912183 T2 DE68912183 T2 DE 68912183T2 DE 89301169 T DE89301169 T DE 89301169T DE 68912183 T DE68912183 T DE 68912183T DE 68912183 T2 DE68912183 T2 DE 68912183T2
Authority
DE
Germany
Prior art keywords
linear encoder
encoder
linear
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 - Lifetime
Application number
DE89301169T
Other languages
English (en)
Other versions
DE68912183D1 (de
Inventor
Stephen Husher
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.)
PENNY & GILES INTERNATIONAL PLC, CRAWLEY, WEST SUS
Original Assignee
Penny and Giles Controls Ltd
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 Penny and Giles Controls Ltd filed Critical Penny and Giles Controls Ltd
Publication of DE68912183D1 publication Critical patent/DE68912183D1/de
Application granted granted Critical
Publication of DE68912183T2 publication Critical patent/DE68912183T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/028—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure
    • G01D3/036—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure on measuring arrangements themselves
    • G01D3/0365—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure on measuring arrangements themselves the undesired influence being measured using a separate sensor, which produces an influence related signal

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
DE89301169T 1988-04-22 1989-02-07 Längenmessgeber. Expired - Lifetime DE68912183T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888809575A GB8809575D0 (en) 1988-04-22 1988-04-22 Linear displacement transducers

Publications (2)

Publication Number Publication Date
DE68912183D1 DE68912183D1 (de) 1994-02-24
DE68912183T2 true DE68912183T2 (de) 1994-04-28

Family

ID=10635677

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89301169T Expired - Lifetime DE68912183T2 (de) 1988-04-22 1989-02-07 Längenmessgeber.

Country Status (4)

Country Link
US (1) US4954776A (de)
EP (1) EP0339759B1 (de)
DE (1) DE68912183T2 (de)
GB (1) GB8809575D0 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7831352B2 (en) * 2007-03-16 2010-11-09 The Hartfiel Company Hydraulic actuator control system
US8191363B2 (en) 2007-07-27 2012-06-05 Hartfiel Automation, Inc. Hydraulic actuator control system for refuse collection vehicle

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2647982B1 (fr) * 1989-06-02 1991-09-20 Sgs Thomson Microelectronics Procede et dispositif de detection compense en temperature de l'oscillation d'un circuit resonant
US5172298A (en) * 1990-01-09 1992-12-15 Honda Giken Kogyo Kabushiki Kaisha Electromagnetic actuator
FR2664538A1 (fr) * 1990-07-13 1992-01-17 Sagem Dispositif de determination de la position relative de deux pieces montees mobiles l'une par rapport a l'autre, et reliees par au moins un amortisseur telescopique.
US5247253A (en) * 1990-11-09 1993-09-21 Curtis Instruments, Inc. Eddy current proximity sensing means and method useful for determining throttle position
US5115193A (en) * 1990-12-05 1992-05-19 Data Instruments, Inc. Inductive linear displacement transducer and temperature-compensating signal processor
US5180978A (en) * 1991-12-02 1993-01-19 Honeywell Inc. Proximity sensor with reduced temperature sensitivity using A.C. and D.C. energy
US5244002A (en) * 1991-12-18 1993-09-14 Moog Controls, Inc. Spool position indicator
JP2983434B2 (ja) * 1994-06-13 1999-11-29 本田技研工業株式会社 センサの温度特性補償構造
EP0916075B1 (de) * 1996-07-30 2003-09-17 Micro-Epsilon Messtechnik GmbH & Co. KG Berührungslos arbeitender wegmessensor
RU2127865C1 (ru) 1997-07-24 1999-03-20 Медников Феликс Матвеевич Устройство для измерения линейных перемещений (варианты)
DE19814042C1 (de) * 1998-03-30 1999-07-15 Sew Eurodrive Gmbh & Co Verfahren zum Überwachen des Verschleißes von Bremsbelägen bei Elektromotoren mit Bremse
US6020569A (en) * 1998-04-17 2000-02-01 Dimitrios G. Cecil Welding system with a real-time weld quality detection sensor
WO2001013070A1 (en) * 1998-05-19 2001-02-22 Ld-Design Electronics Ab Method and device for driving and temperature compensating an inductive position sensor
JP2000337808A (ja) * 1999-05-26 2000-12-08 Matsushita Electric Works Ltd センサ
US6656135B2 (en) * 2000-05-01 2003-12-02 Southwest Research Institute Passive and wireless displacement measuring device
US6828779B2 (en) * 2000-07-24 2004-12-07 Microstrain, Inc. Circuit for compensating for time variation of temperature in an inductive sensor
US7375515B2 (en) * 2004-12-27 2008-05-20 Ricoh Company, Ltd. Magnetic sensor circuit and semiconductor device capable of temperature compensation
EP2304859A2 (de) * 2008-06-05 2011-04-06 QUALCOMM Incorporated Ferritantennen für drahtlosen stromtransfer
US8478560B2 (en) 2011-01-19 2013-07-02 Honeywell International Inc. Three wire transformer position sensor, signal processing circuitry, and temperature compensation circuitry therefor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1173828A (en) * 1967-10-19 1969-12-10 Laszlo Urmenyi Method of and Device for Measuring the Thickness of Electrically Conductive Sheet Material
AT312319B (de) * 1967-12-30 1973-12-27 Joseph Anton Bachmann Vorrichtung zur Stellwegmessung bei einer Kolben-Zylinder-Einheit von Werkzeugmaschinen od.dgl.
US3891918A (en) * 1971-03-23 1975-06-24 James F Ellis Linear displacement transducer utilizing an oscillator whose average period varies as a linear function of the displacement
US4038756A (en) * 1975-08-21 1977-08-02 The Valeron Corporation Electronic column gage
US4042876A (en) * 1976-04-29 1977-08-16 The United States Of America As Represented By The United States Energy Research And Development Administration Eddy current gauge for monitoring displacement using printed circuit coil
US4284961A (en) * 1979-09-19 1981-08-18 The United States Of America As Represented By The Secretary Of The Air Force Digital position transducer including variable tuning element oscillator
DE3534460A1 (de) * 1985-05-24 1986-11-27 Robert Bosch Gmbh, 7000 Stuttgart Sensoranordnung
DE3603950A1 (de) * 1986-02-06 1987-08-13 Siemens Ag Induktiver temperaturkompensierter stellungsmelder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7831352B2 (en) * 2007-03-16 2010-11-09 The Hartfiel Company Hydraulic actuator control system
US8191363B2 (en) 2007-07-27 2012-06-05 Hartfiel Automation, Inc. Hydraulic actuator control system for refuse collection vehicle

Also Published As

Publication number Publication date
DE68912183D1 (de) 1994-02-24
EP0339759A3 (de) 1991-08-14
EP0339759B1 (de) 1994-01-12
EP0339759A2 (de) 1989-11-02
US4954776A (en) 1990-09-04
GB8809575D0 (en) 1988-05-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PENNY & GILES INTERNATIONAL PLC, CRAWLEY, WEST SUS

8339 Ceased/non-payment of the annual fee
8370 Indication of lapse of patent is to be deleted