CN1739031A - Position detector - Google Patents
Position detector Download PDFInfo
- Publication number
- CN1739031A CN1739031A CN200380108696.XA CN200380108696A CN1739031A CN 1739031 A CN1739031 A CN 1739031A CN 200380108696 A CN200380108696 A CN 200380108696A CN 1739031 A CN1739031 A CN 1739031A
- Authority
- CN
- China
- Prior art keywords
- position detector
- exciting magnet
- ferromagnetic element
- polarity
- coil
- 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
Links
- 230000005291 magnetic effect Effects 0.000 claims abstract description 37
- 230000015654 memory Effects 0.000 claims abstract description 6
- 230000005294 ferromagnetic effect Effects 0.000 claims description 58
- 230000001939 inductive effect Effects 0.000 claims description 24
- 230000005417 remagnetization Effects 0.000 claims description 20
- 230000004907 flux Effects 0.000 claims description 16
- 238000011156 evaluation Methods 0.000 claims description 13
- 230000001960 triggered effect Effects 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000013519 translation Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 208000023414 familial retinal arterial macroaneurysm Diseases 0.000 abstract 1
- 230000006698 induction Effects 0.000 abstract 1
- 238000004804 winding Methods 0.000 description 9
- 230000005381 magnetic domain Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000003302 ferromagnetic material Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/02—Indicating direction only, e.g. by weather vane
- G01P13/04—Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement
-
- 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
- G01D5/14—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
- G01D5/2033—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 controlling the saturation of a magnetic circuit by means of a movable element, e.g. a magnet
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/4815—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals using a pulse wire sensor, e.g. Wiegand wire
Abstract
Description
Claims (13)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10254231.7 | 2002-11-20 | ||
DE10254231 | 2002-11-20 | ||
DE10259223.3 | 2002-12-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1739031A true CN1739031A (en) | 2006-02-22 |
CN100468059C CN100468059C (en) | 2009-03-11 |
Family
ID=30128886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB200380108696XA Expired - Lifetime CN100468059C (en) | 2002-11-20 | 2003-11-19 | Position detector |
Country Status (6)
Country | Link |
---|---|
JP (2) | JP4712390B2 (en) |
CN (1) | CN100468059C (en) |
AT (1) | ATE466287T1 (en) |
DE (2) | DE10259223B3 (en) |
ES (1) | ES2341539T3 (en) |
IL (1) | IL168712A (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101832789A (en) * | 2009-02-24 | 2010-09-15 | W·梅纳特 | The absolute type magnetic positioner |
CN101435709B (en) * | 2007-11-14 | 2011-07-13 | 杰克陈 | Device and method for positioning reciprocating type rectilinear movement object |
CN102306329A (en) * | 2011-05-27 | 2012-01-04 | 南京艾驰电子科技有限公司 | Passive sensor and sensing method thereof |
CN102519494A (en) * | 2011-12-19 | 2012-06-27 | 西安宝德自动化股份有限公司 | Position sensor |
CN102749022A (en) * | 2011-04-19 | 2012-10-24 | W·梅纳特 | Method and arrangement for synchronizing a segment counter with a fine position sensor |
CN101821591B (en) * | 2007-08-17 | 2013-05-22 | W·梅纳特 | Absolute high resolution segment or revolution counter |
CN104487808A (en) * | 2012-06-28 | 2015-04-01 | 索尤若驱动有限及两合公司 | Arrangement for determining a number of rotations of a rotatably mounted shaft, and method for determining a number of rotations of a rotatably mounted shaft |
CN105074474A (en) * | 2013-02-22 | 2015-11-18 | 三菱电机株式会社 | Rotation speed detector |
CN105190253A (en) * | 2013-02-26 | 2015-12-23 | 亨斯特勒有限公司 | Battery-less signal transmitter with wiegand sensor for gas or water meters |
US9631948B2 (en) | 2012-04-15 | 2017-04-25 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Method and arrangement for synchronizing a segment counter with a fine position sensor |
CN107923732A (en) * | 2016-01-20 | 2018-04-17 | 欧姆龙株式会社 | Proximity sensor |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10259223B3 (en) * | 2002-11-20 | 2004-02-12 | Mehnert, Walter, Dr. | Position detector registering rotary- or linear motion, includes excitation magnet, ferromagnetic component, coil and sensor |
DE102004013022B3 (en) * | 2004-03-16 | 2005-10-13 | Sew-Eurodrive Gmbh & Co. Kg | Electric motor has section counter, which features a stationary and a moving part for a stable drive |
DE102004062448A1 (en) * | 2004-06-18 | 2006-01-19 | Valeo Schalter Und Sensoren Gmbh | Steering angle sensor |
DE102005035571A1 (en) * | 2005-07-29 | 2007-02-01 | Leopold Kostal Gmbh & Co. Kg | Steering angle measuring arrangement for motor vehicle, has set of permanent magnets that are movable relative to sensor consisting of induction coil, where coil is supplied with testing current and test signals are induced in another coil |
JP2007107971A (en) * | 2005-10-12 | 2007-04-26 | Takamisawa Cybernetics Co Ltd | Magnetic sensor device |
DE102006017865B4 (en) * | 2006-04-13 | 2012-04-12 | Sick Stegmann Gmbh | Device for measuring the absolute position of a test object |
DE102006038268A1 (en) * | 2006-08-09 | 2008-02-14 | Takata-Petri Ag | Device for contactless detection of rotation angle changes, multiple revolutions, especially for steering angle sensors, has two coils spatially offset on stator for definite separation and evaluation of antenna signals for rapid rotation |
DE102007039050B8 (en) | 2007-08-17 | 2024-02-15 | Avago Technologies International Sales Pte. Limited | Linear segment or revolution counter with a ferromagnetic element |
EP2159547A3 (en) | 2008-08-30 | 2014-06-11 | Walter Mehnert | Sensor component for a rotary encoder and rotary encoder equipped with such a sensor component |
DE102008051479A1 (en) | 2008-08-30 | 2010-03-04 | Mehnert, Walter, Dr. | Sensor component for use in rotary encoder, has electronic circuit storing count value, and drive shaft whose instantaneous angular position is calculated with respect to gear transmission ratio of gear |
DE102010022154B4 (en) | 2010-03-30 | 2017-08-03 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Magnetic shaft encoder |
DE102011079633A1 (en) * | 2011-07-22 | 2013-01-24 | Robert Bosch Gmbh | Magnetic sensor for measuring a magnetic field of a magnetic multipole and associated device for determining motion parameters |
DE102012017071A1 (en) | 2012-04-30 | 2013-10-31 | Fritz Kübler GmbH Zähl- und Sensortechnik | Energy self-sufficient multiturn-rotary encoder for determining number of complete three hundred sixty degree rotations of encoder shaft, has excitation magnet and optical code disk to determine absolute rotary angle |
DE102012008888A1 (en) | 2012-04-30 | 2013-10-31 | Fritz Kübler GmbH Zähl- und Sensortechnik | Energy-self-sufficient multi turn rotation transducer for acquisition of number of complete 360 degree rotations of encoder shaft, has evaluation unit providing quadrant value to history buffer when resetting pulse is carried-out |
WO2013164361A1 (en) | 2012-04-30 | 2013-11-07 | Fritz Kuebler Gmbh Zaehl- Und Sensortechnik | Energy-self-sufficient multiturn rotary encoder and method for determining a unique position of an encoder shaft by means of the multiturn rotary encoder |
DE102013211290A1 (en) * | 2013-06-17 | 2014-12-18 | Siemens Aktiengesellschaft | Device and method for detecting a change in position |
CN105556251A (en) * | 2013-07-14 | 2016-05-04 | 莱蒂恩思公司 | Motion sensor |
DE102015000299A1 (en) | 2015-01-12 | 2016-07-14 | Walter Mehnert | Holding and guiding element for pulse or Wieganddrähte |
DE102015114384B3 (en) * | 2015-08-28 | 2016-11-17 | Fritz Kübler GmbH Zähl- und Sensortechnik | Energy-autonomous multi-turn rotary encoder with snap element |
DE102015117064B4 (en) | 2015-09-28 | 2023-06-07 | Avago Technologies International Sales Pte. Limited | position detector |
CN109791056A (en) * | 2016-04-08 | 2019-05-21 | 托马斯·泰尔 | Wiegand wire arrangement and its manufacturing method |
DE102017203679B4 (en) | 2016-05-03 | 2023-02-23 | Avago Technologies International Sales Pte. Limited | Counting sensor with correction function |
DE102017203683B4 (en) | 2016-05-31 | 2023-02-23 | Avago Technologies International Sales Pte. Limited | COUNTING SENSOR WITH CORRECTION FUNCTION |
US11525663B2 (en) | 2018-07-20 | 2022-12-13 | Fraba B.V. | Rotation angle measurement system |
DE102018117600A1 (en) | 2018-07-20 | 2020-01-23 | Fraba B.V. | Rotation angle measuring system |
CA3119097A1 (en) * | 2018-09-30 | 2020-04-02 | Natural Gas Solutions North America, Llc | Maintaining redundant data on a gas meter |
JP2022187943A (en) | 2021-06-08 | 2022-12-20 | オリエンタルモーター株式会社 | motion detector |
WO2022260070A1 (en) | 2021-06-08 | 2022-12-15 | オリエンタルモーター株式会社 | Motion detector |
Family Cites Families (25)
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JPS5515797B1 (en) * | 1970-11-02 | 1980-04-25 | ||
JPS6055020B2 (en) * | 1978-02-28 | 1985-12-03 | 横河電機株式会社 | automatic balancing instrument |
DE2817169C2 (en) * | 1978-04-20 | 1986-10-23 | Robert Bosch Gmbh, 7000 Stuttgart | Device for delivering impulses |
JPS54161257A (en) * | 1978-06-12 | 1979-12-20 | Akira Matsushita | Pulse signal generator |
JPS623941Y2 (en) * | 1979-01-18 | 1987-01-29 | ||
FR2456955A1 (en) * | 1979-05-16 | 1980-12-12 | Thomson Csf | MAGNETIC SENSOR AND PROXIMITY DETECTION DEVICE COMPRISING SUCH A SENSOR |
DE3118768A1 (en) * | 1980-05-13 | 1982-04-01 | Robert Bosch Gmbh, 7000 Stuttgart | Device for detecting the position or the displacement of a movable component, in particular of an internal-combustion engine |
JPS6453114A (en) * | 1987-08-24 | 1989-03-01 | Mitsubishi Electric Corp | Multiple rotation detecting device |
JPH0274817A (en) * | 1988-09-09 | 1990-03-14 | Nippon Steel Corp | Distance sensor |
NL8803124A (en) * | 1988-12-21 | 1990-07-16 | Skf Ind Trading & Dev | DEVICE FOR DETECTING THE MOVEMENT OF A PART. |
DE4018148A1 (en) * | 1990-06-06 | 1991-12-12 | Siemens Ag | MAGNETIC SENSITIVE SETUP WITH SEVERAL MAGNETIC SENSORS |
DE59109089D1 (en) * | 1990-11-09 | 1999-02-25 | Siemens Ag | Electromagnetic encoder for determining the speed and / or direction of rotation of a rotor |
DE4107847C1 (en) * | 1991-03-12 | 1992-09-24 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | Impulse sensor using Wiegand effect - has winding connected to single pole switch for short circuiting winding when physical quantity e.g. temp., pressure, acceleration etc. changes |
JP2547533Y2 (en) * | 1991-03-15 | 1997-09-10 | 株式会社トーキン | Pulse generator |
DE4413281C2 (en) * | 1994-04-16 | 1996-02-22 | Walter Dr Mehnert | Position transmitter with data evaluation circuit |
CA2137054C (en) * | 1993-12-02 | 2006-05-09 | Walter Mehnert | Position detector |
DE4407474C2 (en) * | 1994-03-07 | 2000-07-13 | Asm Automation Sensorik Messte | Angle of rotation sensor |
JPH08136558A (en) * | 1994-11-11 | 1996-05-31 | Nippon Seiko Kk | Rotational speed detector |
JP2001527641A (en) * | 1996-12-27 | 2001-12-25 | ベーイーツェー−ナイセ ゲゼルシャフト ミット ベシュレンクテル ハフツング ビジネス アンド イノヴェイション センター イン デア オイロレギオーン ナイセ | Magnetic resonance sensor |
JPH1183878A (en) * | 1997-09-04 | 1999-03-26 | Matsushita Electric Works Ltd | Rotational speed detecting device |
JP3352366B2 (en) * | 1997-09-17 | 2002-12-03 | 株式会社ヒロセチェリープレシジョン | Pulse signal generator |
JPH11223641A (en) * | 1997-11-18 | 1999-08-17 | Samutaku Kk | Speed detector |
JP2000329778A (en) * | 1999-05-17 | 2000-11-30 | Asmo Co Ltd | Rotation sensor |
JP2002286742A (en) * | 2001-03-22 | 2002-10-03 | Hirose Electric Co Ltd | Moving direction detecting device for moving body |
DE10259223B3 (en) * | 2002-11-20 | 2004-02-12 | Mehnert, Walter, Dr. | Position detector registering rotary- or linear motion, includes excitation magnet, ferromagnetic component, coil and sensor |
-
2002
- 2002-12-17 DE DE10259223A patent/DE10259223B3/en not_active Expired - Lifetime
-
2003
- 2003-11-19 CN CNB200380108696XA patent/CN100468059C/en not_active Expired - Lifetime
- 2003-11-19 JP JP2004552653A patent/JP4712390B2/en not_active Expired - Fee Related
- 2003-11-19 DE DE50312672T patent/DE50312672D1/en not_active Expired - Lifetime
- 2003-11-19 ES ES03795827T patent/ES2341539T3/en not_active Expired - Lifetime
- 2003-11-19 AT AT03795827T patent/ATE466287T1/en active
-
2005
- 2005-05-19 IL IL168712A patent/IL168712A/en unknown
-
2010
- 2010-11-05 JP JP2010248766A patent/JP2011059130A/en active Pending
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101821591B (en) * | 2007-08-17 | 2013-05-22 | W·梅纳特 | Absolute high resolution segment or revolution counter |
CN101435709B (en) * | 2007-11-14 | 2011-07-13 | 杰克陈 | Device and method for positioning reciprocating type rectilinear movement object |
CN101832789B (en) * | 2009-02-24 | 2014-08-27 | W·梅纳特 | Absolute magnetic positioner |
CN101832789A (en) * | 2009-02-24 | 2010-09-15 | W·梅纳特 | The absolute type magnetic positioner |
CN102749022A (en) * | 2011-04-19 | 2012-10-24 | W·梅纳特 | Method and arrangement for synchronizing a segment counter with a fine position sensor |
CN102306329A (en) * | 2011-05-27 | 2012-01-04 | 南京艾驰电子科技有限公司 | Passive sensor and sensing method thereof |
CN102519494A (en) * | 2011-12-19 | 2012-06-27 | 西安宝德自动化股份有限公司 | Position sensor |
US9631948B2 (en) | 2012-04-15 | 2017-04-25 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Method and arrangement for synchronizing a segment counter with a fine position sensor |
CN104487808A (en) * | 2012-06-28 | 2015-04-01 | 索尤若驱动有限及两合公司 | Arrangement for determining a number of rotations of a rotatably mounted shaft, and method for determining a number of rotations of a rotatably mounted shaft |
CN105074474A (en) * | 2013-02-22 | 2015-11-18 | 三菱电机株式会社 | Rotation speed detector |
CN105190253A (en) * | 2013-02-26 | 2015-12-23 | 亨斯特勒有限公司 | Battery-less signal transmitter with wiegand sensor for gas or water meters |
CN105190253B (en) * | 2013-02-26 | 2018-10-09 | 亨斯特勒有限公司 | For gas meter, flow meter or water meter with Wiegand sensor without battery type signal generator |
CN107923732A (en) * | 2016-01-20 | 2018-04-17 | 欧姆龙株式会社 | Proximity sensor |
US10488226B2 (en) | 2016-01-20 | 2019-11-26 | Omron Corporation | Proximity sensor |
Also Published As
Publication number | Publication date |
---|---|
JP2006523822A (en) | 2006-10-19 |
ATE466287T1 (en) | 2010-05-15 |
DE10259223B3 (en) | 2004-02-12 |
ES2341539T3 (en) | 2010-06-22 |
JP4712390B2 (en) | 2011-06-29 |
IL168712A (en) | 2010-11-30 |
CN100468059C (en) | 2009-03-11 |
DE50312672D1 (en) | 2010-06-10 |
JP2011059130A (en) | 2011-03-24 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20161207 Address after: Singapore Singapore Patentee after: Avago Technologies General IP (Singapore) Pte. Ltd. Address before: Otto Brun, Germany Patentee before: Walter Menat Patentee before: Thomas Taylor |
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TR01 | Transfer of patent right |
Effective date of registration: 20181019 Address after: Singapore Singapore Patentee after: Avago Technologies General IP (Singapore) Pte. Ltd. Address before: Singapore Singapore Patentee before: Avago Technologies General IP (Singapore) Pte. Ltd. |
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TR01 | Transfer of patent right | ||
CX01 | Expiry of patent term |
Granted publication date: 20090311 |
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CX01 | Expiry of patent term |