TW200718921A - Magnetic encoder - Google Patents

Magnetic encoder

Info

Publication number
TW200718921A
TW200718921A TW095108091A TW95108091A TW200718921A TW 200718921 A TW200718921 A TW 200718921A TW 095108091 A TW095108091 A TW 095108091A TW 95108091 A TW95108091 A TW 95108091A TW 200718921 A TW200718921 A TW 200718921A
Authority
TW
Taiwan
Prior art keywords
magnet
chip
shaft
basis
hall element
Prior art date
Application number
TW095108091A
Other languages
Chinese (zh)
Other versions
TWI298098B (en
Inventor
Katsuhiro Hashimoto
Satoshi Yanagawa
Yuzo Urasaki
Original Assignee
Koyo Electronics Ind Co
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 Koyo Electronics Ind Co filed Critical Koyo Electronics Ind Co
Publication of TW200718921A publication Critical patent/TW200718921A/en
Application granted granted Critical
Publication of TWI298098B publication Critical patent/TWI298098B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

To provide a magnetic encoder, which is small with high resolution (e.g. 10 bits) space, comprising a magnet 12 fixed onto the tip of shaft 11, an IC chip 14 having Hall element 13 for detecting the variation of magnetic field with the rotation of magnet 12, the rotation angle of shaft 11 is calculated on the basis of the detection of Hall element 13 and plural signals are generated on the basis of the information of the rotation angle, and a plurality of circuits for outputting the plural signals generated at IC chip 14 to the exterior respectively, wherein the magnet 12 with shaft 11 and the IP chip 14 are provided as an encoder body 10 to which a lead cable 20 is connected, and the lead cables 20, 21 are provided with a relay section 30 having plural circuit section 32-34 and a power circuit section 31 for supplying power to the encoder body 10.
TW095108091A 2005-11-11 2006-03-10 Magnetic encoder TWI298098B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005327876A JP2007132862A (en) 2005-11-11 2005-11-11 Magnetic encoder

Publications (2)

Publication Number Publication Date
TW200718921A true TW200718921A (en) 2007-05-16
TWI298098B TWI298098B (en) 2008-06-21

Family

ID=38082538

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095108091A TWI298098B (en) 2005-11-11 2006-03-10 Magnetic encoder

Country Status (4)

Country Link
JP (1) JP2007132862A (en)
KR (1) KR100804361B1 (en)
CN (1) CN100485319C (en)
TW (1) TWI298098B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009288125A (en) * 2008-05-30 2009-12-10 Koyo Electronics Ind Co Ltd Absolute encoder
FR2951265B1 (en) * 2009-10-14 2013-02-08 Electricfil Automotive MAGNETIC SENSOR FOR DETERMINING THE POSITION AND ORIENTATION OF A TARGET
CN101846531B (en) * 2010-05-28 2011-08-24 江苏斯沃特电气有限公司 Multipole combined-type magnetic encoder
CN201795805U (en) * 2010-09-07 2011-04-13 王建国 Magnetic encoder adopting giant-Hall-effect magnetic sensing element
CN102486384A (en) * 2010-12-06 2012-06-06 沈阳理工大学 A solar wireless multi-turn value encoder
CN102538838A (en) * 2012-02-17 2012-07-04 三一重工股份有限公司 Multiturn rotary encoder
CN104567945A (en) * 2015-01-07 2015-04-29 北京龙邱智能科技有限公司 Magnetic encoder
CN104807482B (en) * 2015-04-29 2016-07-06 亿嘉和科技股份有限公司 Steering angle measuring encoder of inspection robot and steering angle error correction method
CN111721329B (en) * 2020-07-07 2021-11-23 哈尔滨理工大学 three-Hall magnetoelectric encoder and arc-tangent-free calculation angle calculation method

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0299823A (en) 1988-10-07 1990-04-11 Tdk Corp Magnetic rotation sensor
JPH06131586A (en) 1992-10-16 1994-05-13 Matsushita Electric Ind Co Ltd Encoder
JP3550591B2 (en) * 1994-12-27 2004-08-04 株式会社ニコン Absolute encoder
JPH095116A (en) * 1995-06-15 1997-01-10 Nikon Corp Absolute encoder
DE69827818T2 (en) * 1997-09-08 2005-04-21 Yaskawa Denki Kitakyushu Kk MAGNETIC CODING DEVICE
DE10047924B4 (en) * 2000-09-27 2004-08-05 Siemens Ag Drive control and method for networking a control unit with one or more encoder systems
JP2003279379A (en) * 2002-03-26 2003-10-02 Citizen Watch Co Ltd Optical displacement measuring instrument
JP2004178081A (en) * 2002-11-25 2004-06-24 Yaskawa Electric Corp Encoder system
JP4167092B2 (en) * 2003-02-28 2008-10-15 アイチ・マイクロ・インテリジェント株式会社 Steering angle detection device for automobile steering system
DE10312045B4 (en) 2003-03-18 2014-07-31 Anton Rodi Measuring system for absolute value recording of angles and paths

Also Published As

Publication number Publication date
KR20070050748A (en) 2007-05-16
CN1963397A (en) 2007-05-16
KR100804361B1 (en) 2008-02-15
JP2007132862A (en) 2007-05-31
TWI298098B (en) 2008-06-21
CN100485319C (en) 2009-05-06

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees