IT1165395B - Trasduttore magnetoresistivo identificatore di posizione - Google Patents
Trasduttore magnetoresistivo identificatore di posizioneInfo
- Publication number
- IT1165395B IT1165395B IT27894/79A IT2789479A IT1165395B IT 1165395 B IT1165395 B IT 1165395B IT 27894/79 A IT27894/79 A IT 27894/79A IT 2789479 A IT2789479 A IT 2789479A IT 1165395 B IT1165395 B IT 1165395B
- Authority
- IT
- Italy
- Prior art keywords
- position identifier
- magnetoresistive transducer
- magnetoresistive
- transducer
- identifier
- Prior art date
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
- G01D5/142—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 using Hall-effect devices
- G01D5/145—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 using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields
-
- 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
- G01P15/105—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 magnetically sensitive devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Measuring Magnetic Variables (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/970,070 US4255708A (en) | 1978-12-15 | 1978-12-15 | Magnetoresistive position transducer with invariable peak signal |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7927894A0 IT7927894A0 (it) | 1979-12-07 |
IT1165395B true IT1165395B (it) | 1987-04-22 |
Family
ID=25516401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT27894/79A IT1165395B (it) | 1978-12-15 | 1979-12-07 | Trasduttore magnetoresistivo identificatore di posizione |
Country Status (6)
Country | Link |
---|---|
US (1) | US4255708A (it) |
EP (1) | EP0012325B1 (it) |
JP (1) | JPS6022283B2 (it) |
CA (1) | CA1138957A (it) |
DE (1) | DE2966120D1 (it) |
IT (1) | IT1165395B (it) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4418372A (en) * | 1979-08-02 | 1983-11-29 | Hitachi, Ltd. | Magnetic rotary encoder |
JPS6047988B2 (ja) * | 1979-12-19 | 1985-10-24 | 株式会社日立製作所 | 磁気ヘツド |
US4518919A (en) * | 1981-01-16 | 1985-05-21 | Tokyo Shibaura Denki Kabushiki Kaisha | Detecting device for detecting a magnetic strip embedded in a sheet |
CA1209260A (en) * | 1982-10-29 | 1986-08-05 | Tetsuo Sekiya | Magnetic transducer head using magnetroresistance effect |
EP0115391A3 (en) * | 1983-01-27 | 1987-06-10 | Optron, Inc. | Hall-effect position sensor apparatus |
JPS601514A (ja) * | 1983-06-17 | 1985-01-07 | Copal Co Ltd | 変位量検出器 |
JPS6145922A (ja) * | 1984-08-10 | 1986-03-06 | Hitachi Ltd | 位置検出センサ |
US4841246A (en) * | 1987-12-29 | 1989-06-20 | Eaton Corporation | Multiturn shaft position sensor having magnet movable with nonrotating linear moving nut |
JP2796391B2 (ja) * | 1990-01-08 | 1998-09-10 | 株式会社日立製作所 | 物理量検出方法および物理量検出装置あるいはこれらの方法あるいは装置を利用したサーボモータおよびこのサーボモータを使用したパワーステアリング装置 |
US5065094A (en) * | 1990-08-07 | 1991-11-12 | Seagate Technology, Inc. | Two terminal magnetoresistive sensor having DC blocking capacitor |
DE4036224A1 (de) * | 1990-11-14 | 1992-05-21 | Bosch Gmbh Robert | Sensor |
JP2581421Y2 (ja) * | 1991-06-17 | 1998-09-21 | 株式会社村田製作所 | 磁気センサ |
US6432193B1 (en) * | 1999-12-15 | 2002-08-13 | Bayer Corporation | Process for the continuous drowning of perylene melt |
US9411024B2 (en) * | 2012-04-20 | 2016-08-09 | Infineon Technologies Ag | Magnetic field sensor having XMR elements in a full bridge circuit having diagonal elements sharing a same shape anisotropy |
AT519637A1 (de) | 2017-01-27 | 2018-08-15 | Hirtenberger Eng Surfaces Gmbh | Magnetischer kraftsensor |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1009979A (en) * | 1960-10-21 | 1965-11-17 | Bristol Siddeley Engines Ltd | Means for measuring the superimposed oscillation of part of a rotating member |
US3852661A (en) * | 1971-01-27 | 1974-12-03 | Westinghouse Electric Corp | A position indicator employing magnetic circuits to monitor the position of a magnetically permeable member movable along an axis having one degree of freedom |
DE2238525A1 (de) * | 1972-08-04 | 1974-02-14 | Siemens Ag | Anordnung zur erzeugung von elektrischen signalen mittels magnetfeldabhaengigen halbleiterbauelementen |
DE2418917C2 (de) * | 1972-08-04 | 1983-12-29 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Meßumformer |
US3846697A (en) * | 1972-11-14 | 1974-11-05 | Airpax Electronics | Digital pickup |
JPS5725766B2 (it) * | 1973-12-12 | 1982-06-01 | ||
JPS576962Y2 (it) * | 1974-07-26 | 1982-02-09 | ||
JPS5927115B2 (ja) * | 1974-12-29 | 1984-07-03 | ソニー株式会社 | 情報検出装置 |
DE2705439A1 (de) * | 1976-02-10 | 1977-08-11 | Denki Onkyo Co Ltd | Magnetfuehler |
US4039936A (en) * | 1976-04-05 | 1977-08-02 | International Business Machines Corporation | Interleaved magnetoresistive displacement transducers |
US4119911A (en) * | 1977-04-22 | 1978-10-10 | Johnson Clark E Jun | Magnetoresistor displacement sensor using a magnetoresistor positioned between relatively moving magnetized toothed members |
US4124814A (en) * | 1977-10-03 | 1978-11-07 | Rockwell International Corporation | Magnetic displacement transducer wherein two relatively movable gratings vary the magnetic field coupled to a Hall plate proportional to the displacement |
-
1978
- 1978-12-15 US US05/970,070 patent/US4255708A/en not_active Expired - Lifetime
-
1979
- 1979-10-03 JP JP54126935A patent/JPS6022283B2/ja not_active Expired
- 1979-10-15 CA CA000337623A patent/CA1138957A/en not_active Expired
- 1979-12-04 DE DE7979104881T patent/DE2966120D1/de not_active Expired
- 1979-12-04 EP EP79104881A patent/EP0012325B1/de not_active Expired
- 1979-12-07 IT IT27894/79A patent/IT1165395B/it active
Also Published As
Publication number | Publication date |
---|---|
IT7927894A0 (it) | 1979-12-07 |
EP0012325A3 (en) | 1980-10-15 |
DE2966120D1 (en) | 1983-10-06 |
US4255708A (en) | 1981-03-10 |
EP0012325B1 (de) | 1983-08-31 |
JPS5582913A (en) | 1980-06-23 |
EP0012325A2 (de) | 1980-06-25 |
JPS6022283B2 (ja) | 1985-06-01 |
CA1138957A (en) | 1983-01-04 |
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