JPS6114375U - engine tachometer - Google Patents

engine tachometer

Info

Publication number
JPS6114375U
JPS6114375U JP9797384U JP9797384U JPS6114375U JP S6114375 U JPS6114375 U JP S6114375U JP 9797384 U JP9797384 U JP 9797384U JP 9797384 U JP9797384 U JP 9797384U JP S6114375 U JPS6114375 U JP S6114375U
Authority
JP
Japan
Prior art keywords
ignition
output
square wave
engine
switching circuit
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
JP9797384U
Other languages
Japanese (ja)
Inventor
重夫 竹
政幸 西出
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 JP9797384U priority Critical patent/JPS6114375U/en
Publication of JPS6114375U publication Critical patent/JPS6114375U/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図は本考案のエンジン回転計を示す具体回路図、第
２図は回路各部の信号波形図である。 １・・・アンテナ、２・・・電源、１１・・・方形波形
成回路用フリツプフロツプ、１６・・・ダウンカウンタ
、１７，１８，２８，２９，３０・・・ナンドゲート、
２１．２２・・・点火数切換回路のスイッチ、Ａ・・・
演算装置、Ｂ・・・表示装置。FIG. 1 is a specific circuit diagram showing the engine revolution meter of the present invention, and FIG. 2 is a signal waveform diagram of each part of the circuit. DESCRIPTION OF SYMBOLS 1... Antenna, 2... Power supply, 11... Flip-flop for square wave forming circuit, 16... Down counter, 17, 18, 28, 29, 30... NAND gate,
21.22... Switch of ignition number switching circuit, A...
Arithmetic device, B...Display device.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] エンジンの点火パルスを電磁誘導するアンテナと、電磁
誘導したパルス電圧を方形波に波形整形する方形波形成
回路と、エンジンの１回転に於ける点火数が異る場合で
も、正規のエンジン回転数に応じた数のパルスを選択的
に出力できる点火数切換回蕗と、該点火数切換回路によ
り出力させた上記パルスを計数、演算する演算装置と、
該演算装置の演算出力に基づいてエンジン回転数を表示
する表示装置とを備えてなるエンジン回転計。An antenna that electromagnetically induces the engine's ignition pulse, and a square wave forming circuit that shapes the electromagnetically induced pulse voltage into a square wave. an ignition number switching circuit that can selectively output a corresponding number of pulses; a calculation device that counts and calculates the pulses output by the ignition number switching circuit;
An engine revolution meter comprising: a display device that displays engine revolution speed based on the calculation output of the calculation device.
JP9797384U 1984-06-29 1984-06-29 engine tachometer Pending JPS6114375U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9797384U JPS6114375U (en) 1984-06-29 1984-06-29 engine tachometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9797384U JPS6114375U (en) 1984-06-29 1984-06-29 engine tachometer

Publications (1)

Publication Number Publication Date
JPS6114375U true JPS6114375U (en) 1986-01-28

Family

ID=30657527

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9797384U Pending JPS6114375U (en) 1984-06-29 1984-06-29 engine tachometer

Country Status (1)

Country Link
JP (1) JPS6114375U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170063752A (en) 2015-01-13 2017-06-08 가부시키가이샤히로세세이사쿠쇼 Vertical full-rotation shuttle
KR20170065627A (en) 2015-02-13 2017-06-13 가부시키가이샤히로세세이사쿠쇼 Vertical full rotation hook

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170063752A (en) 2015-01-13 2017-06-08 가부시키가이샤히로세세이사쿠쇼 Vertical full-rotation shuttle
KR20170065627A (en) 2015-02-13 2017-06-13 가부시키가이샤히로세세이사쿠쇼 Vertical full rotation hook

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