JPS57122326A - Contactless inspection system of object - Google Patents

Contactless inspection system of object

Info

Publication number
JPS57122326A
JPS57122326A JP813581A JP813581A JPS57122326A JP S57122326 A JPS57122326 A JP S57122326A JP 813581 A JP813581 A JP 813581A JP 813581 A JP813581 A JP 813581A JP S57122326 A JPS57122326 A JP S57122326A
Authority
JP
Japan
Prior art keywords
band
magnetic
magnetic flux
temperature
yoke
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
Application number
JP813581A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6229005B2 (enrdf_load_stackoverflow
Inventor
Michio Nemoto
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.)
Tokin Corp
Original Assignee
Tohoku Metal Industries Ltd
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 Tohoku Metal Industries Ltd filed Critical Tohoku Metal Industries Ltd
Priority to JP813581A priority Critical patent/JPS57122326A/ja
Publication of JPS57122326A publication Critical patent/JPS57122326A/ja
Publication of JPS6229005B2 publication Critical patent/JPS6229005B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42Devices characterised by the use of electric or magnetic means
    • G01P3/44Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/487Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by rotating magnets
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/36Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using magnetic elements, e.g. magnets, coils
    • G01K7/38Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using magnetic elements, e.g. magnets, coils the variations of temperature influencing the magnetic permeability

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
JP813581A 1981-01-23 1981-01-23 Contactless inspection system of object Granted JPS57122326A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP813581A JPS57122326A (en) 1981-01-23 1981-01-23 Contactless inspection system of object

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP813581A JPS57122326A (en) 1981-01-23 1981-01-23 Contactless inspection system of object

Publications (2)

Publication Number Publication Date
JPS57122326A true JPS57122326A (en) 1982-07-30
JPS6229005B2 JPS6229005B2 (enrdf_load_stackoverflow) 1987-06-24

Family

ID=11684841

Family Applications (1)

Application Number Title Priority Date Filing Date
JP813581A Granted JPS57122326A (en) 1981-01-23 1981-01-23 Contactless inspection system of object

Country Status (1)

Country Link
JP (1) JPS57122326A (enrdf_load_stackoverflow)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0283412A (ja) * 1988-09-21 1990-03-23 Nissan Motor Co Ltd 磁気式回転センサ
JPH02503116A (ja) * 1988-02-06 1990-09-27 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング 組み合わされた回転数/温度測定値検出装置
JP2006083825A (ja) * 2004-09-17 2006-03-30 Shimadzu Corp 真空ポンプ
JP2006194094A (ja) * 2005-01-11 2006-07-27 Shimadzu Corp 真空ポンプ
US7965054B2 (en) 2007-07-26 2011-06-21 Shimadzu Corporation Vacuum pump
GB2532473A (en) * 2014-11-20 2016-05-25 Cummins Ltd Temperature sensing apparatus
US10001130B2 (en) 2004-09-17 2018-06-19 Shimadzu Corporation Vacuum pump
JP2021085818A (ja) * 2019-11-29 2021-06-03 Nok株式会社 ロータリーエンコーダー用円板、密封装置および速度測定装置

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02503116A (ja) * 1988-02-06 1990-09-27 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング 組み合わされた回転数/温度測定値検出装置
JPH0283412A (ja) * 1988-09-21 1990-03-23 Nissan Motor Co Ltd 磁気式回転センサ
JP2006083825A (ja) * 2004-09-17 2006-03-30 Shimadzu Corp 真空ポンプ
US10001130B2 (en) 2004-09-17 2018-06-19 Shimadzu Corporation Vacuum pump
JP2006194094A (ja) * 2005-01-11 2006-07-27 Shimadzu Corp 真空ポンプ
US7965054B2 (en) 2007-07-26 2011-06-21 Shimadzu Corporation Vacuum pump
GB2532473A (en) * 2014-11-20 2016-05-25 Cummins Ltd Temperature sensing apparatus
US10551253B2 (en) 2014-11-20 2020-02-04 Cummins Ltd. Temperature and angular speed sensing apparatus
JP2021085818A (ja) * 2019-11-29 2021-06-03 Nok株式会社 ロータリーエンコーダー用円板、密封装置および速度測定装置

Also Published As

Publication number Publication date
JPS6229005B2 (enrdf_load_stackoverflow) 1987-06-24

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