JPS549652A - Differential transformer type sensor - Google Patents

Differential transformer type sensor

Info

Publication number
JPS549652A
JPS549652A JP7464777A JP7464777A JPS549652A JP S549652 A JPS549652 A JP S549652A JP 7464777 A JP7464777 A JP 7464777A JP 7464777 A JP7464777 A JP 7464777A JP S549652 A JPS549652 A JP S549652A
Authority
JP
Japan
Prior art keywords
type sensor
differential transformer
transformer type
pickup
supplying
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.)
Pending
Application number
JP7464777A
Other languages
Japanese (ja)
Inventor
Kazuyoshi Honda
Kenichi Yoda
Kazuhiro Matsuoka
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP7464777A priority Critical patent/JPS549652A/en
Publication of JPS549652A publication Critical patent/JPS549652A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To improve S/N at the time of detecting a ferromagnetic metal through a non-magnetic metal and facilitate detection by supplying the square waves of a low frequency to the primary coil of a pickup and using the gate circuit synchronizing with the applied waveform.
COPYRIGHT: (C)1979,JPO&Japio
JP7464777A 1977-06-22 1977-06-22 Differential transformer type sensor Pending JPS549652A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7464777A JPS549652A (en) 1977-06-22 1977-06-22 Differential transformer type sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7464777A JPS549652A (en) 1977-06-22 1977-06-22 Differential transformer type sensor

Publications (1)

Publication Number Publication Date
JPS549652A true JPS549652A (en) 1979-01-24

Family

ID=13553215

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7464777A Pending JPS549652A (en) 1977-06-22 1977-06-22 Differential transformer type sensor

Country Status (1)

Country Link
JP (1) JPS549652A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4852667B1 (en) * 2011-03-04 2012-01-11 株式会社マコメ研究所 Proximity sensor
JP4852666B1 (en) * 2011-03-04 2012-01-11 株式会社マコメ研究所 Displacement sensor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4852667B1 (en) * 2011-03-04 2012-01-11 株式会社マコメ研究所 Proximity sensor
JP4852666B1 (en) * 2011-03-04 2012-01-11 株式会社マコメ研究所 Displacement sensor
JP2012185033A (en) * 2011-03-04 2012-09-27 Makome Kenkyusho:Kk Proximity sensor
JP2012185032A (en) * 2011-03-04 2012-09-27 Makome Kenkyusho:Kk Displacement sensor

Similar Documents

Publication Publication Date Title
JPS549652A (en) Differential transformer type sensor
JPS52101065A (en) Magnetic scale
JPS53142260A (en) Method and apparatus of detecting metal objects
JPS532045A (en) Coordinates read method and its device
JPS5397894A (en) High frequency circuit for nuclear magnetism resonance device
JPS5275352A (en) Buried metal pipe detector and receiver
JPS5349989A (en) Superconductive coil
JPS5217855A (en) Electromagnetic flowmeter generator
JPS5220063A (en) Location detector
JPS5246750A (en) Frequency detection circuit
JPS5345518A (en) Electromagnetic type vibration sensor
JPS5397864A (en) Tablet for coordinate reading apparatus
JPS5370415A (en) Synchronizing circuit for magnetic memory
JPS5357097A (en) Detection of magnetic foreign substance in non-magnetic metal wire
JPS5329149A (en) Metal detector
JPS53102008A (en) Demodulation circuit
JPS51141655A (en) Detecting method of magnetic metal divided from non-magnetic product
JPS5417887A (en) Eddy current type current meter
JPS5325851A (en) Energy sensing meh tod of inductive thunder
JPS5280116A (en) Magnetic card device
JPS534584A (en) Detecting system for passage of moving body through fixed point
JPS5313965A (en) Synchronism indicator
JPS5335582A (en) Peak position detecting circuit of signal wave form
JPS53126972A (en) Corona sound detector
JPS524860A (en) Pulse-watching device