CA1031055A - Positional transducer utilizing magnetic elements having improved operating characteristics - Google Patents

Positional transducer utilizing magnetic elements having improved operating characteristics

Info

Publication number
CA1031055A
CA1031055A CA238,681A CA238681A CA1031055A CA 1031055 A CA1031055 A CA 1031055A CA 238681 A CA238681 A CA 238681A CA 1031055 A CA1031055 A CA 1031055A
Authority
CA
Canada
Prior art keywords
operating characteristics
magnetic elements
improved operating
utilizing magnetic
transducer utilizing
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
CA238,681A
Other languages
English (en)
French (fr)
Inventor
Edward F. Sidor
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.)
Illinois Tool Works Inc
Original Assignee
Illinois Tool Works Inc
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 Illinois Tool Works Inc filed Critical Illinois Tool Works Inc
Application granted granted Critical
Publication of CA1031055A publication Critical patent/CA1031055A/en
Expired 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
    • G01D5/22—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
    • 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
    • G01D5/2208—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 self-induction of the coils
    • G01D5/2241—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 self-induction of the coils by controlling the saturation of a magnetic circuit by means of a movable element, e.g. a magnet
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/97—Switches controlled by moving an element forming part of the switch using a magnetic movable element
    • H03K17/972—Switches controlled by moving an element forming part of the switch using a magnetic movable element having a plurality of control members, e.g. keyboard
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/97—Switches controlled by moving an element forming part of the switch using a magnetic movable element
    • H03K2017/9706—Inductive element

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)
  • Measuring Magnetic Variables (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
CA238,681A 1974-11-18 1975-10-30 Positional transducer utilizing magnetic elements having improved operating characteristics Expired CA1031055A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/524,608 US3958202A (en) 1974-11-18 1974-11-18 Positional transducer utilizing magnetic elements having improved operating characteristics

Publications (1)

Publication Number Publication Date
CA1031055A true CA1031055A (en) 1978-05-09

Family

ID=24089941

Family Applications (1)

Application Number Title Priority Date Filing Date
CA238,681A Expired CA1031055A (en) 1974-11-18 1975-10-30 Positional transducer utilizing magnetic elements having improved operating characteristics

Country Status (12)

Country Link
US (1) US3958202A (sv)
JP (1) JPS5721642B2 (sv)
BR (1) BR7507545A (sv)
CA (1) CA1031055A (sv)
DE (1) DE2550788C3 (sv)
ES (1) ES442772A1 (sv)
GB (1) GB1510548A (sv)
IT (1) IT1048717B (sv)
NL (1) NL7512727A (sv)
SE (1) SE411590B (sv)
SU (1) SU641889A3 (sv)
ZA (1) ZA756736B (sv)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4045787A (en) * 1976-03-18 1977-08-30 Illinois Tool Works Inc. Sensors for sensing a plurality of parameters
US4156223A (en) * 1978-04-21 1979-05-22 Illinois Tool Works Inc. Positional transducer utilizing magnetic elements
US4283714A (en) * 1979-08-08 1981-08-11 Texas Instruments Incorporated Magnetic keyboard system
US4401986A (en) * 1979-12-26 1983-08-30 Texas Instruments Incorporated Position sensor and system
JPS5923221A (ja) * 1982-07-29 1984-02-06 Denshi Jiki Kogyo Kk 非磁性鋼管におけるスケ−ル堆積量検出方法及びこれに用いる装置
US4507601A (en) * 1983-02-25 1985-03-26 Andresen Herman J Lever stroke control
US4574286A (en) * 1983-02-28 1986-03-04 Andresen Herman J Controller of magnetically saturated type having programmed output characteristic
US4733214A (en) * 1983-05-23 1988-03-22 Andresen Herman J Multi-directional controller having resiliently biased cam and cam follower for tactile feedback
US4639667A (en) * 1983-05-23 1987-01-27 Andresen Herman J Contactless controllers sensing displacement along two orthogonal directions by the overlap of a magnet and saturable cores
US4544890A (en) * 1983-11-07 1985-10-01 Magnetic Peripherals Inc. Flat coil velocity transducer
WO1989007746A1 (en) * 1988-02-11 1989-08-24 Garshelis Ivan J Magnetic position sensor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3638222A (en) * 1969-11-24 1972-01-25 Illinois Tool Works Flux gate switch
US3698531A (en) * 1970-10-26 1972-10-17 Illinois Tool Works Solid state switch

Also Published As

Publication number Publication date
AU8640375A (en) 1977-05-12
NL7512727A (nl) 1976-05-20
US3958202A (en) 1976-05-18
SU641889A3 (ru) 1979-01-05
DE2550788B2 (de) 1978-02-16
GB1510548A (en) 1978-05-10
SE7512886L (sv) 1976-05-19
JPS5173460A (sv) 1976-06-25
JPS5721642B2 (sv) 1982-05-08
SE411590B (sv) 1980-01-14
BR7507545A (pt) 1976-08-10
ES442772A1 (es) 1977-08-01
ZA756736B (en) 1977-06-29
DE2550788A1 (de) 1976-05-20
DE2550788C3 (de) 1978-10-19
IT1048717B (it) 1980-12-20

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