JPH0416373U - - Google Patents

Info

Publication number
JPH0416373U
JPH0416373U JP5765490U JP5765490U JPH0416373U JP H0416373 U JPH0416373 U JP H0416373U JP 5765490 U JP5765490 U JP 5765490U JP 5765490 U JP5765490 U JP 5765490U JP H0416373 U JPH0416373 U JP H0416373U
Authority
JP
Japan
Prior art keywords
bridge circuit
test coils
resistors
connection points
test
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
JP5765490U
Other languages
Japanese (ja)
Other versions
JP2548816Y2 (en
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 filed Critical
Priority to JP1990057654U priority Critical patent/JP2548816Y2/en
Publication of JPH0416373U publication Critical patent/JPH0416373U/ja
Application granted granted Critical
Publication of JP2548816Y2 publication Critical patent/JP2548816Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案測定用ブリツジ回路の一実施例
の回路図、第２図は同上の感度調整器の構成を示
す系統図である。第３図、第４図、第５図はそれ
ぞれ従来のブリツジ回路の回路図、第６図は第５
図における抵抗器の抵抗値と試験コイルのインピ
ーダンスの比に対する検出感度の関係を示す線図
である。 １……Ｎｏ．１試験コイル、２……Ｎｏ．２試
験コイル、３……Ｎｏ．１感度調整器、４……Ｎ
ｏ．２感度調整器、５……発振器、６……比較器
、７……調整器、８……可変抵抗器、９……設定
器、１０……Ｎｏ．１抵抗器、１１……Ｎｏ．２
抵抗器、１２……可変抵抗器。 FIG. 1 is a circuit diagram of an embodiment of the measurement bridge circuit of the present invention, and FIG. 2 is a system diagram showing the configuration of the same sensitivity adjuster. Figures 3, 4, and 5 are circuit diagrams of conventional bridge circuits, respectively, and Figure 6 is a circuit diagram of a conventional bridge circuit.
FIG. 3 is a diagram showing the relationship between detection sensitivity and the ratio between the resistance value of the resistor and the impedance of the test coil in the figure. 1...No. 1 test coil, 2...No. 2 test coils, 3...No. 1 Sensitivity adjuster, 4...N
o. 2 Sensitivity adjuster, 5... Oscillator, 6... Comparator, 7... Adjuster, 8... Variable resistor, 9... Setting device, 10... No. 1 resistor, 11...No. 2
Resistor, 12...variable resistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ２個の抵抗器と２個の試験コイルで抵抗器同士
の接続点及び試験コイル同士の接続点を入力端子
とするブリツジ回路を構成し、上記試験コイルの
インピーダンス変化を検出する測定用ブリツジ回
路において、上記抵抗器に感度調整機能を持たせ
たことを特徴とする測定用ブリツジ回路。 In a bridge circuit for measuring, in which two resistors and two test coils constitute a bridge circuit whose input terminals are the connection points between the resistors and the connection points between the test coils, and detect impedance changes of the test coils. , a measurement bridge circuit characterized in that the resistor described above has a sensitivity adjustment function.
JP1990057654U 1990-05-31 1990-05-31 Bridge circuit for measurement Expired - Lifetime JP2548816Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990057654U JP2548816Y2 (en) 1990-05-31 1990-05-31 Bridge circuit for measurement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990057654U JP2548816Y2 (en) 1990-05-31 1990-05-31 Bridge circuit for measurement

Publications (2)

Publication Number Publication Date
JPH0416373U true JPH0416373U (en) 1992-02-10
JP2548816Y2 JP2548816Y2 (en) 1997-09-24

Family

ID=31582561

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990057654U Expired - Lifetime JP2548816Y2 (en) 1990-05-31 1990-05-31 Bridge circuit for measurement

Country Status (1)

Country Link
JP (1) JP2548816Y2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5056990A (en) * 1973-09-14 1975-05-19

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5056990A (en) * 1973-09-14 1975-05-19

Also Published As

Publication number Publication date
JP2548816Y2 (en) 1997-09-24

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