JPH02129871U - - Google Patents

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Publication number
JPH02129871U
JPH02129871U JP3803489U JP3803489U JPH02129871U JP H02129871 U JPH02129871 U JP H02129871U JP 3803489 U JP3803489 U JP 3803489U JP 3803489 U JP3803489 U JP 3803489U JP H02129871 U JPH02129871 U JP H02129871U
Authority
JP
Japan
Prior art keywords
pulse
counter
clock signal
generating means
generating
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
JP3803489U
Other languages
English (en)
Other versions
JP2543577Y2 (ja
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 JP1989038034U priority Critical patent/JP2543577Y2/ja
Publication of JPH02129871U publication Critical patent/JPH02129871U/ja
Application granted granted Critical
Publication of JP2543577Y2 publication Critical patent/JP2543577Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】
第１図は本考案の一実施例の電気的構成を示す
ブロツク図、第２図は第１カウンタ３および第２
カウンタ４のカウント動作を説明するための波形
図、第３図および第４図は動作を説明するための
フローチヤート、第５図は従来技術のカウント動
作を説明するための波形図である。 １……クランク角検出器、３……第１カウンタ
、４……第２カウンタ、６……クロツク信号発生
回路、８……燃料噴射制御装置、９……燃料カツ
ト制御部、１１……燃料噴射量制御部、１２……
スイツチ、１３……アクチユエータ。

Claims (1)

  1. 【実用新案登録請求の範囲】 内燃機関の一定クランク角毎にパルスを発生す
    るパルス発生手段と、 前記パルスの発生周期よりも充分短い一定周期
    のクロツク信号を発生するクロツク信号発生手段
    と、 前記パルス発生手段からの各パルス間のクロツ
    ク信号のパルス数を計測する第１カウンタと、 パルス発生手段からの予め定める複数パルス間
    のクロツク信号のパルス数を計測する第２カウン
    タとを含み、 前記第１カウンタの計測値は計測応答速度が高
    いことが必要な用途に用い、第２カウンタの計測
    値は計測精度が高いことが必要な用途に用いるこ
    とを特徴とする内燃機関の回転速度計測装置。
JP1989038034U 1989-03-31 1989-03-31 内燃機関の回転速度計測装置 Expired - Lifetime JP2543577Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989038034U JP2543577Y2 (ja) 1989-03-31 1989-03-31 内燃機関の回転速度計測装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989038034U JP2543577Y2 (ja) 1989-03-31 1989-03-31 内燃機関の回転速度計測装置

Publications (2)

Publication Number Publication Date
JPH02129871U true JPH02129871U (ja) 1990-10-25
JP2543577Y2 JP2543577Y2 (ja) 1997-08-06

Family

ID=31545677

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989038034U Expired - Lifetime JP2543577Y2 (ja) 1989-03-31 1989-03-31 内燃機関の回転速度計測装置

Country Status (1)

Country Link
JP (1) JP2543577Y2 (ja)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53143378A (en) * 1977-05-20 1978-12-13 Hitachi Ltd Speed counting system
JPS60143777A (ja) * 1983-12-29 1985-07-30 Mitsubishi Electric Corp 回転数計測装置
JPS61189461A (ja) * 1985-02-19 1986-08-23 Tokico Ltd 車速算出方法
JPS6212873U (ja) * 1985-07-09 1987-01-26
JPS6413464A (en) * 1987-07-08 1989-01-18 Jidosha Kiki Co Vehicle speed measuring method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53143378A (en) * 1977-05-20 1978-12-13 Hitachi Ltd Speed counting system
JPS60143777A (ja) * 1983-12-29 1985-07-30 Mitsubishi Electric Corp 回転数計測装置
JPS61189461A (ja) * 1985-02-19 1986-08-23 Tokico Ltd 車速算出方法
JPS6212873U (ja) * 1985-07-09 1987-01-26
JPS6413464A (en) * 1987-07-08 1989-01-18 Jidosha Kiki Co Vehicle speed measuring method

Also Published As

Publication number Publication date
JP2543577Y2 (ja) 1997-08-06

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Legal Events

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