JPS53133472A - Impedance change detecting circuit - Google Patents

Impedance change detecting circuit

Info

Publication number
JPS53133472A
JPS53133472A JP4864377A JP4864377A JPS53133472A JP S53133472 A JPS53133472 A JP S53133472A JP 4864377 A JP4864377 A JP 4864377A JP 4864377 A JP4864377 A JP 4864377A JP S53133472 A JPS53133472 A JP S53133472A
Authority
JP
Japan
Prior art keywords
detecting circuit
impedance change
change detecting
power source
vicinity
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
JP4864377A
Other languages
Japanese (ja)
Other versions
JPS5920983B2 (en
Inventor
Toshitsugu Ueda
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.)
Yokogawa Electric Corp
Original Assignee
Yokogawa Hokushin Electric Corp
Yokogawa 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 Yokogawa Hokushin Electric Corp, Yokogawa Electric Works Ltd filed Critical Yokogawa Hokushin Electric Corp
Priority to JP4864377A priority Critical patent/JPS5920983B2/en
Publication of JPS53133472A publication Critical patent/JPS53133472A/en
Publication of JPS5920983B2 publication Critical patent/JPS5920983B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)

Abstract

PURPOSE: To maintain the maximum characteristics against changes in external conditions such as temperatures and operating conditions by controlling the oscillation frequency of a power source through an AFC circuit and setting the phase of connecting point at the bridge compensation side in the vicinity of +30° with respect to the power source voltage.
COPYRIGHT: (C)1978,JPO&Japio
JP4864377A 1977-04-27 1977-04-27 Impedance change detection circuit Expired JPS5920983B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4864377A JPS5920983B2 (en) 1977-04-27 1977-04-27 Impedance change detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4864377A JPS5920983B2 (en) 1977-04-27 1977-04-27 Impedance change detection circuit

Publications (2)

Publication Number Publication Date
JPS53133472A true JPS53133472A (en) 1978-11-21
JPS5920983B2 JPS5920983B2 (en) 1984-05-16

Family

ID=12809037

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4864377A Expired JPS5920983B2 (en) 1977-04-27 1977-04-27 Impedance change detection circuit

Country Status (1)

Country Link
JP (1) JPS5920983B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61138477U (en) * 1985-02-18 1986-08-28

Also Published As

Publication number Publication date
JPS5920983B2 (en) 1984-05-16

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