DE3687609D1 - Absoluter lagedetektor. - Google Patents
Absoluter lagedetektor.Info
- Publication number
- DE3687609D1 DE3687609D1 DE8686111258T DE3687609T DE3687609D1 DE 3687609 D1 DE3687609 D1 DE 3687609D1 DE 8686111258 T DE8686111258 T DE 8686111258T DE 3687609 T DE3687609 T DE 3687609T DE 3687609 D1 DE3687609 D1 DE 3687609D1
- Authority
- DE
- Germany
- Prior art keywords
- position detector
- absolute position
- absolute
- detector
- 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
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
- 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
- G01D5/244—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 characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/249—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 characteristics of pulses or pulse trains; generating pulses or pulse trains using pulse code
- G01D5/2497—Absolute encoders
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/20—Increasing resolution using an n bit system to obtain n + m bits
- H03M1/202—Increasing resolution using an n bit system to obtain n + m bits by interpolation
- H03M1/203—Increasing resolution using an n bit system to obtain n + m bits by interpolation using an analogue interpolation circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/14—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit
- H03M1/143—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit in pattern-reading type converters, e.g. having both absolute and incremental tracks on one disc or strip
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/22—Analogue/digital converters pattern-reading type
- H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
- H03M1/26—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with weighted coding, i.e. the weight given to a digit depends on the position of the digit within the block or code word, e.g. there is a given radix and the weights are powers of this radix
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/22—Analogue/digital converters pattern-reading type
- H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
- H03M1/28—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
- H03M1/285—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding of the unit Hamming distance type, e.g. Gray code
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60177642A JPH0660824B2 (ja) | 1985-08-14 | 1985-08-14 | 絶対位置検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3687609D1 true DE3687609D1 (de) | 1993-03-11 |
DE3687609T2 DE3687609T2 (de) | 1993-08-12 |
Family
ID=16034559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686111258T Expired - Lifetime DE3687609T2 (de) | 1985-08-14 | 1986-08-14 | Absoluter lagedetektor. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4766376A (de) |
EP (1) | EP0212578B1 (de) |
JP (1) | JPH0660824B2 (de) |
CA (1) | CA1255371A (de) |
DE (1) | DE3687609T2 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4851752A (en) * | 1987-03-26 | 1989-07-25 | Yamaha Corporation | Magnetic encoder and a method for producing the same |
US5047716A (en) * | 1988-02-19 | 1991-09-10 | K.K. Sankyo Seiki Seisakusho | Movement detector employing constant current drive |
DE3900866C2 (de) * | 1989-01-13 | 2001-11-22 | Heimeier Gmbh Metall Theodor | Anordnung zur Steuerung eines Heiz- oder Kühlmediums |
DE3903359A1 (de) * | 1989-02-05 | 1990-08-09 | Bayerische Motoren Werke Ag | Einrichtung zur bestimmung des lenkraddrehwinkels eines kraftfahrzeuges |
JPH02271216A (ja) * | 1989-04-13 | 1990-11-06 | Hitachi Metals Ltd | 磁気式エンコーダ |
DE3932800A1 (de) * | 1989-09-30 | 1991-04-11 | Hengstler Gmbh | Signalumwandlung fuer inkrementalgeber |
US5293125A (en) * | 1992-01-17 | 1994-03-08 | Lake Shore Cryotronics, Inc. | Self-aligning tachometer with interchangeable elements for different resolution outputs |
EP0555961B1 (de) * | 1992-02-13 | 1997-07-16 | Japan Servo Co. Ltd. | Absolutkodierer |
US5336994A (en) * | 1992-11-20 | 1994-08-09 | Lake Shore Cryotronics, Inc. | Magneto-resistive tachometer assembly with reversible cover and related method |
DE4319322C2 (de) * | 1993-06-11 | 1998-04-23 | Heidenhain Gmbh Dr Johannes | Positionsmeßeinrichtung |
US5495758A (en) * | 1993-06-17 | 1996-03-05 | Lake Shore Cryotronics, Inc. | Tachometer assembly with integral internal wrench |
US5514955A (en) * | 1994-03-11 | 1996-05-07 | Lake Shore Cryotronics, Inc. | Slim profile digital tachometer including planar block and rotor having spokes and clamp |
US5574445A (en) * | 1994-12-08 | 1996-11-12 | Bose Corporation | Digital absolute position encoders |
US6246233B1 (en) | 1994-12-30 | 2001-06-12 | Northstar Technologies Inc. | Magnetoresistive sensor with reduced output signal jitter and temperature compensation |
US5929631A (en) * | 1997-07-02 | 1999-07-27 | Ford Global Technologies, Inc. | Method of position sensing utilizing giant magneto resistance elements and solid state switch array |
JP2004257850A (ja) * | 2003-02-26 | 2004-09-16 | Fanuc Ltd | ロータリエンコーダ |
KR100919068B1 (ko) * | 2004-07-12 | 2009-09-28 | 엔오케이 가부시키가이샤 | 자기 엔코더 |
DE102005041324A1 (de) * | 2005-08-31 | 2007-03-15 | Siemens Ag | Positionssensor und Verfahren zum Betreiben eines Positionssensors |
JP4288676B2 (ja) * | 2005-09-30 | 2009-07-01 | 日立金属株式会社 | 磁気エンコーダー |
DE102007023385A1 (de) * | 2007-05-18 | 2008-11-20 | Robert Bosch Gmbh | Vorrichtung zur berührungslosen Erfassung von Linear- oder Rotationsbewegungen |
EP2003462B1 (de) * | 2007-06-13 | 2010-03-17 | Ricoh Company, Ltd. | Magnetsensor und Herstellungsverfahren dafür |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2171462A5 (de) * | 1972-01-21 | 1973-09-21 | Schlumberger Compteurs | |
US3772675A (en) * | 1972-05-15 | 1973-11-13 | Singer Co | Magnetic analog-to-digital encoder |
JPS5725766B2 (de) * | 1973-12-12 | 1982-06-01 | ||
JPS6045804B2 (ja) * | 1978-02-28 | 1985-10-12 | 日本電気株式会社 | 角度検出器 |
JPS54118259A (en) * | 1978-03-06 | 1979-09-13 | Nec Corp | Angle detector |
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 |
EP0048983B2 (de) * | 1980-09-29 | 1991-09-18 | Hitachi, Ltd. | Rotationsdetektorvorrichtung für einen rotierenden Körper |
JPS5860215A (ja) * | 1981-10-06 | 1983-04-09 | Hitachi Ltd | 位置検出付エンコ−ダ |
JPS5979806A (ja) * | 1982-10-29 | 1984-05-09 | Hitachi Ltd | 多相磁気回転センサおよび多相−2相出力変換方法 |
JPS59108193A (ja) * | 1982-12-13 | 1984-06-22 | 株式会社日立製作所 | 磁気的に位置を検出する装置 |
JPS59187714U (ja) * | 1983-05-31 | 1984-12-13 | 東北金属工業株式会社 | 磁気ロ−タリエンコ−ダ |
JPS59221616A (ja) * | 1983-05-31 | 1984-12-13 | Tohoku Metal Ind Ltd | 磁気ロ−タリエンコ−ダ |
JPS6145922A (ja) * | 1984-08-10 | 1986-03-06 | Hitachi Ltd | 位置検出センサ |
-
1985
- 1985-08-14 JP JP60177642A patent/JPH0660824B2/ja not_active Expired - Lifetime
-
1986
- 1986-08-13 CA CA000515870A patent/CA1255371A/en not_active Expired
- 1986-08-14 DE DE8686111258T patent/DE3687609T2/de not_active Expired - Lifetime
- 1986-08-14 US US06/896,255 patent/US4766376A/en not_active Expired - Lifetime
- 1986-08-14 EP EP86111258A patent/EP0212578B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0212578A3 (en) | 1990-04-25 |
JPH0660824B2 (ja) | 1994-08-10 |
US4766376A (en) | 1988-08-23 |
DE3687609T2 (de) | 1993-08-12 |
CA1255371A (en) | 1989-06-06 |
EP0212578A2 (de) | 1987-03-04 |
EP0212578B1 (de) | 1993-01-27 |
JPS6238316A (ja) | 1987-02-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |