JPH0317524U - - Google Patents

Info

Publication number
JPH0317524U
JPH0317524U JP7764989U JP7764989U JPH0317524U JP H0317524 U JPH0317524 U JP H0317524U JP 7764989 U JP7764989 U JP 7764989U JP 7764989 U JP7764989 U JP 7764989U JP H0317524 U JPH0317524 U JP H0317524U
Authority
JP
Japan
Prior art keywords
knock sensor
abnormality
microcomputer
detection device
predetermined time
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
JP7764989U
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 JP7764989U priority Critical patent/JPH0317524U/ja
Publication of JPH0317524U publication Critical patent/JPH0317524U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Description

【図面の簡単な説明】
第１図は本考案による一実施例の回路図、第２
図は第１図の信号波形図、第３図は本考案のフロ
ーチヤート、第４図は従来の回路図を示す。 １……ノツキング信号積分回路、２……マイコ
ン。

Claims (1)

    【実用新案登録請求の範囲】
  1. ノツクセンサの出力信号に基づいて、ノツクセ
    ンサの異常を検出するノツクセンサ異常検出装置
    において、ノツクセンサの出力信号を信号処理し
    て、所定時間毎に積分してマイクロコンピユータ
    に出力する積分回路を設け、該積分回路の積分出
    力に対して上限値、下限値を設定し、前記所定時
    間毎の積分出力が上下限値の範囲内に入らない時
    は異常であると判定する異常判定手段をマイクロ
    コンピユータに設けたことを特徴とするノツクセ
    ンサ異常検出装置。
JP7764989U 1989-07-03 1989-07-03 Pending JPH0317524U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7764989U JPH0317524U (ja) 1989-07-03 1989-07-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7764989U JPH0317524U (ja) 1989-07-03 1989-07-03

Publications (1)

Publication Number Publication Date
JPH0317524U true JPH0317524U (ja) 1991-02-21

Family

ID=31620230

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7764989U Pending JPH0317524U (ja) 1989-07-03 1989-07-03

Country Status (1)

Country Link
JP (1) JPH0317524U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60164234A (ja) * 1984-02-06 1985-08-27 Toyota Motor Corp ノツキング検出装置の異常判定方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60164234A (ja) * 1984-02-06 1985-08-27 Toyota Motor Corp ノツキング検出装置の異常判定方法

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