JPH02109259U - - Google Patents

Info

Publication number
JPH02109259U
JPH02109259U JP1858289U JP1858289U JPH02109259U JP H02109259 U JPH02109259 U JP H02109259U JP 1858289 U JP1858289 U JP 1858289U JP 1858289 U JP1858289 U JP 1858289U JP H02109259 U JPH02109259 U JP H02109259U
Authority
JP
Japan
Prior art keywords
rotation speed
speed detector
bias voltage
frequency signal
disconnection detection
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
JP1858289U
Other languages
English (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 JP1858289U priority Critical patent/JPH02109259U/ja
Publication of JPH02109259U publication Critical patent/JPH02109259U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Description

【図面の簡単な説明】
第1図は本考案による回転数検出器の一実施例
を示すブロツク図、第2図は同実施例における回
転数検出器の具体的な構成例を示す図、第3図は
同実施例における作用を説明するための波形図、
第4図は従来の自励式回転数検出器の一例を示す
構成図、第5図は第4図における自励式回転数検
出器の出力状態を示す波形図である。 1……検知コイル、2……測定用ターゲツト、
3……自励式回転数検出器、3a……検知コイル
、4……直流電源、5……信号判別器、6……抵
抗。

Claims (1)

  1. 【実用新案登録請求の範囲】 回転体の回転数に比例した周波数信号を発生す
    る自励式の回転数検出器において、 前記回転数検出器本体の出力線にバイアス電圧
    を重畳させる直流電源と、前記回転数検出器本体
    から出力される周波数信号中にバイアス電圧が有
    るか否かを判別して断線検知信号を出力する信号
    判別器とからなる断線検知手段 を備えたことを特徴とする回転数検出器。
JP1858289U 1989-02-20 1989-02-20 Pending JPH02109259U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1858289U JPH02109259U (ja) 1989-02-20 1989-02-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1858289U JPH02109259U (ja) 1989-02-20 1989-02-20

Publications (1)

Publication Number Publication Date
JPH02109259U true JPH02109259U (ja) 1990-08-31

Family

ID=31233360

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1858289U Pending JPH02109259U (ja) 1989-02-20 1989-02-20

Country Status (1)

Country Link
JP (1) JPH02109259U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013205233A (ja) * 2012-03-28 2013-10-07 Mitsubishi Electric Corp 速度検知装置および列車保安装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013205233A (ja) * 2012-03-28 2013-10-07 Mitsubishi Electric Corp 速度検知装置および列車保安装置

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