JPS5892681U - 論理回路チエツカ− - Google Patents

論理回路チエツカ−

Info

Publication number
JPS5892681U
JPS5892681U JP18827681U JP18827681U JPS5892681U JP S5892681 U JPS5892681 U JP S5892681U JP 18827681 U JP18827681 U JP 18827681U JP 18827681 U JP18827681 U JP 18827681U JP S5892681 U JPS5892681 U JP S5892681U
Authority
JP
Japan
Prior art keywords
logic circuit
writing instrument
circuit checker
checker
checking
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
JP18827681U
Other languages
English (en)
Inventor
野口　恒平
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 JP18827681U priority Critical patent/JPS5892681U/ja
Publication of JPS5892681U publication Critical patent/JPS5892681U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Current Or Voltage (AREA)
  • Tests Of Electronic Circuits (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。

Description

【図面の簡単な説明】
第１図は本考案による論理回路チェッカーの構造を示す
図、第２図は本考案に用いる測定回路の回路図である。 図面において、１はボールペン本体、２は外筒、４はプ
ローグとして働（先端部、７は調整環、８は発光ダイオ
ード、Ｒは抵抗をそれぞれ示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. 筆記器具の機能を具備し所要時に論理回路のチェック機
    能を有する論理回路チェッカーであって前記筆記器具の
    外筒内に測定回路と入力調整用抵抗とを内蔵せしめると
    ともに、前記外筒の外周部に前記抵抗を調整する部材と
    電圧表示素子とを設け、前記論理回路のチェックに当り
    前記筆記器具の先端部をプローブとして被測定部に当接
    できるようにしたことを特徴とする論理回路チェッカー
    。
JP18827681U 1981-12-16 1981-12-16 論理回路チエツカ− Pending JPS5892681U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18827681U JPS5892681U (ja) 1981-12-16 1981-12-16 論理回路チエツカ−

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18827681U JPS5892681U (ja) 1981-12-16 1981-12-16 論理回路チエツカ−

Publications (1)

Publication Number Publication Date
JPS5892681U true JPS5892681U (ja) 1983-06-23

Family

ID=29991710

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18827681U Pending JPS5892681U (ja) 1981-12-16 1981-12-16 論理回路チエツカ−

Country Status (1)

Country Link
JP (1) JPS5892681U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01214779A (ja) * 1988-02-23 1989-08-29 Nec Corp 入力電圧検出回路

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5126030U (ja) * 1974-08-19 1976-02-26

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5126030U (ja) * 1974-08-19 1976-02-26

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01214779A (ja) * 1988-02-23 1989-08-29 Nec Corp 入力電圧検出回路

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