JPS5885834U - Pulse input counting circuit - Google Patents

Pulse input counting circuit

Info

Publication number
JPS5885834U
JPS5885834U JP1981179996U JP17999681U JPS5885834U JP S5885834 U JPS5885834 U JP S5885834U JP 1981179996 U JP1981179996 U JP 1981179996U JP 17999681 U JP17999681 U JP 17999681U JP S5885834 U JPS5885834 U JP S5885834U
Authority
JP
Japan
Prior art keywords
counting circuit
pulse input
circuit
input counting
external contact
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
JP1981179996U
Other languages
Japanese (ja)
Inventor
和美 上田
秋本　修一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP1981179996U priority Critical patent/JPS5885834U/en
Publication of JPS5885834U publication Critical patent/JPS5885834U/en
Pending legal-status Critical Current

Links

Landscapes

  • Measuring Volume Flow (AREA)
  • Manipulation Of Pulses (AREA)

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) [Abstract] 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、従来形のパルス入力計数回路を示す回路図、
第２図は、本考案の一実施例としてのパルス入力計数回
路を示す回路図である。 （符号の説明）、１１．２１・・・外部接点、１２゜２
２・・・入力フィルタ一部、１３．２３・・・入力バッ
ファ、１４．２４・・・計数カウンタ、１５．２５・・
・バッテリー、２６・・・電流供給制御部、１２１゜１
２２．２２１，２２２，２２３，２６２・・・抵抗、１
２３．２２４．２６３・・・コンデンサ、２６１・・・
トランジスタ。FIG. 1 is a circuit diagram showing a conventional pulse input counting circuit;
FIG. 2 is a circuit diagram showing a pulse input counting circuit as an embodiment of the present invention. (Explanation of symbols), 11.21...External contact, 12゜2
2...Part of input filter, 13.23...Input buffer, 14.24...Counter, 15.25...
・Battery, 26...Current supply control unit, 121゜1
22.221,222,223,262...Resistance, 1
23.224.263... Capacitor, 261...
transistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 外部接点の開閉によるパルス入力を計数する回路であっ
て、該回路は、該外部接点の俗人後の所定間のみ該外部
接点に完全導通状態を作るための電流を供給する手段を
有することを特徴とする、入力パルス計数回路。A circuit for counting pulse inputs due to opening and closing of an external contact, characterized in that the circuit has means for supplying a current to the external contact to make it fully conductive only for a predetermined period after the external contact is closed. Input pulse counting circuit.
JP1981179996U 1981-12-04 1981-12-04 Pulse input counting circuit Pending JPS5885834U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981179996U JPS5885834U (en) 1981-12-04 1981-12-04 Pulse input counting circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981179996U JPS5885834U (en) 1981-12-04 1981-12-04 Pulse input counting circuit

Publications (1)

Publication Number Publication Date
JPS5885834U true JPS5885834U (en) 1983-06-10

Family

ID=29976194

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981179996U Pending JPS5885834U (en) 1981-12-04 1981-12-04 Pulse input counting circuit

Country Status (1)

Country Link
JP (1) JPS5885834U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6239776A (en) * 1985-08-16 1987-02-20 Nippon Denso Co Ltd Apparatus for detecting disconnection of sensor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6239776A (en) * 1985-08-16 1987-02-20 Nippon Denso Co Ltd Apparatus for detecting disconnection of sensor

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