JPS6114376U - engine tachometer - Google Patents

engine tachometer

Info

Publication number
JPS6114376U
JPS6114376U JP9797484U JP9797484U JPS6114376U JP S6114376 U JPS6114376 U JP S6114376U JP 9797484 U JP9797484 U JP 9797484U JP 9797484 U JP9797484 U JP 9797484U JP S6114376 U JPS6114376 U JP S6114376U
Authority
JP
Japan
Prior art keywords
engine
square wave
calculation
function
clock
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
JP9797484U
Other languages
Japanese (ja)
Inventor
重夫 竹
Original Assignee
追浜工業株式会社
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 追浜工業株式会社 filed Critical 追浜工業株式会社
Priority to JP9797484U priority Critical patent/JPS6114376U/en
Publication of JPS6114376U publication Critical patent/JPS6114376U/en
Pending legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は本考案にかかるエンジン回転計の回路図を示す
。 １・・・アンテナ、４，５・・・検波器用ダイオード、
１０．１１・・・方形波形成回路用ナンドゲート、１８
・・・演算装置、１９・・・表示装置。FIG. 1 shows a circuit diagram of an engine revolution meter according to the present invention. 1... Antenna, 4, 5... Detector diode,
10.11... NAND gate for square wave forming circuit, 18
...Arithmetic device, 19...Display device.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）エンジンのイグニッションパルスを電磁誘導する
アンテナと、該アンテナに電磁誘導したパルス電流を検
波する検波器と、該検波器の検波出力に基づいた方形波
パルスを形成する方形波形成回路と、該方形波パルスを
計数してエンジン回転数を演算する演算装置と、その演
算の結果を表示する表示装置と、気筒数に応じたエイジ
ン回転数の測定を可能とする気筒選択部とを備えたこと
を特徴とするエンジン回転計。(1) An antenna that electromagnetically induces an engine ignition pulse, a detector that detects the pulse current electromagnetically induced in the antenna, and a square wave forming circuit that forms a square wave pulse based on the detected output of the detector; It is equipped with a calculation device that counts the square wave pulses and calculates the engine speed, a display device that displays the result of the calculation, and a cylinder selection section that makes it possible to measure the aging speed according to the number of cylinders. An engine revolution meter characterized by: （２）演算装置が時計機能、時計の時間合せ機能、スト
ップウオッチ機能および時計とエンジン回転数演算との
切換機能を有してなる実用新案登録請求の範囲第１項に
記載のエンジン回転計。(2) The engine revolution meter according to claim 1, wherein the calculation device has a clock function, a clock time setting function, a stopwatch function, and a switching function between the clock and engine rotation speed calculation.
JP9797484U 1984-06-29 1984-06-29 engine tachometer Pending JPS6114376U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9797484U JPS6114376U (en) 1984-06-29 1984-06-29 engine tachometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9797484U JPS6114376U (en) 1984-06-29 1984-06-29 engine tachometer

Publications (1)

Publication Number Publication Date
JPS6114376U true JPS6114376U (en) 1986-01-28

Family

ID=30657528

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9797484U Pending JPS6114376U (en) 1984-06-29 1984-06-29 engine tachometer

Country Status (1)

Country Link
JP (1) JPS6114376U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56155858A (en) * 1980-05-07 1981-12-02 Mitsubishi Electric Corp Detector for number of revolutions of internal combustion engine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56155858A (en) * 1980-05-07 1981-12-02 Mitsubishi Electric Corp Detector for number of revolutions of internal combustion engine

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