JPS61112988A - 通過型磁気センサ - Google Patents

通過型磁気センサ

Info

Publication number
JPS61112988A
JPS61112988A JP59234678A JP23467884A JPS61112988A JP S61112988 A JPS61112988 A JP S61112988A JP 59234678 A JP59234678 A JP 59234678A JP 23467884 A JP23467884 A JP 23467884A JP S61112988 A JPS61112988 A JP S61112988A
Authority
JP
Japan
Prior art keywords
detection
detected
reference signal
circuit
signal
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
JP59234678A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0148998B2 (enExample
Inventor
Takakazu Miyahara
隆和 宮原
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.)
SANKUSU KK
Elm Co Ltd
Panasonic Industrial Devices SUNX Co Ltd
Original Assignee
SANKUSU KK
Elm Co Ltd
Sunx 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 SANKUSU KK, Elm Co Ltd, Sunx Ltd filed Critical SANKUSU KK
Priority to JP59234678A priority Critical patent/JPS61112988A/ja
Publication of JPS61112988A publication Critical patent/JPS61112988A/ja
Publication of JPH0148998B2 publication Critical patent/JPH0148998B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/101—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil
    • G01V3/102—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil by measuring amplitude

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
JP59234678A 1984-11-07 1984-11-07 通過型磁気センサ Granted JPS61112988A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59234678A JPS61112988A (ja) 1984-11-07 1984-11-07 通過型磁気センサ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59234678A JPS61112988A (ja) 1984-11-07 1984-11-07 通過型磁気センサ

Publications (2)

Publication Number Publication Date
JPS61112988A true JPS61112988A (ja) 1986-05-30
JPH0148998B2 JPH0148998B2 (enExample) 1989-10-23

Family

ID=16974743

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59234678A Granted JPS61112988A (ja) 1984-11-07 1984-11-07 通過型磁気センサ

Country Status (1)

Country Link
JP (1) JPS61112988A (enExample)

Also Published As

Publication number Publication date
JPH0148998B2 (enExample) 1989-10-23

Similar Documents

Publication Publication Date Title
US4757824A (en) Method and apparatus for monitoring respiration
CA2071484A1 (en) Biosensing instrument and method
JPS61112988A (ja) 通過型磁気センサ
EP0058050A1 (en) Measuring method
CA2196950A1 (en) Method and Apparatus for Detection and Acquisition of Automotive Fuel Injector Voltage Signal Pulse Width
JPH03159634A (ja) 脈拍計における脈拍値演算処理方法及び装置
JPS6410108A (en) Constitution of semiconductor image position detecting element and image position detecting method
JPS6483119A (en) Apparatus for detecting abnormal vibration of engine
JPS6466569A (en) Method for measuring partial discharge
SU987425A2 (ru) Датчик давлени
JPS6469960A (en) Detecting system of zero cross point of waveform having sawtooth distortion
JPS60158354A (ja) 空間フイルタ応用速度センサ
JPS55150798A (en) Method for detecting irregular operation of electric pulse motor
SU789814A1 (ru) Устройство дл цифрового измерени амплитуды переменного напр жени
SU1573416A1 (ru) Матричный тактильный преобразователь
SU1620963A1 (ru) Способ измерени длительности импульса
SU1501108A1 (ru) Устройство дл определени угла разворота изображени объекта
JPS6484125A (en) Temperature indicator
JPH0545956Y2 (enExample)
JPS6466566A (en) Phase difference measurement
JP2698214B2 (ja) アナログ入力コントローラ
SU544996A1 (ru) Измеритель индукции переменного магнитного пол
JPS63259474A (ja) 位相検出装置
JPS5654154A (en) Test method for digital signal generator
JPS55131718A (en) Measuring device