JPS5974447U - calculator with printer - Google Patents

calculator with printer

Info

Publication number
JPS5974447U
JPS5974447U JP16816082U JP16816082U JPS5974447U JP S5974447 U JPS5974447 U JP S5974447U JP 16816082 U JP16816082 U JP 16816082U JP 16816082 U JP16816082 U JP 16816082U JP S5974447 U JPS5974447 U JP S5974447U
Authority
JP
Japan
Prior art keywords
printer
holding
command signal
computer
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
JP16816082U
Other languages
Japanese (ja)
Inventor
俊夫 柿澤
Original Assignee
株式会社東芝
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 株式会社東芝 filed Critical 株式会社東芝
Priority to JP16816082U priority Critical patent/JPS5974447U/en
Publication of JPS5974447U publication Critical patent/JPS5974447U/en
Pending legal-status Critical Current

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  • Accessory Devices And Overall Control Thereof (AREA)
  • Calculators And Similar Devices (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) [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図は本考案の一実施例を示す結線図、第２図は同実
施例におけるＪ−にフリップフロップの真理値を示す図
である。 図中、１はサーマルプリンタ、４は電源、８は検知回路
、１５はＪ−にフリップフロップ（保持回路）、２０は
制御回路、２６はバッファ（スリーステート素子）、２
７は停止手段である。FIG. 1 is a wiring diagram showing an embodiment of the present invention, and FIG. 2 is a diagram showing the truth value of a flip-flop at J- in the same embodiment. In the figure, 1 is a thermal printer, 4 is a power supply, 8 is a detection circuit, 15 is a flip-flop (holding circuit) for J-, 20 is a control circuit, 26 is a buffer (three-state element), 2
7 is a stopping means.

Claims (1)

【実用新案登録請求の範囲】 ■　電池を電源としたプリンタに印字命令信号を与えて
これを駆動するようにした計算機において、前記電源電
圧が所定レベル以下になったときに検知信号を出力する
検知回路と、この検知信号を保持する保持回路と、この
保持回路による保持状態に基づいて前記プリンタに対す
る印字命令信号の供給をしゃ断する停止手段とを設けた
ことを特徴とするプリンタ付計算機。 ２　停止手段は、印字命令信号の出力ラインに介在され
たスリーステート素子を含んで成ることを特徴とする実
用新案登録請求の範囲第１項に記載のプリンタ付計算機
。[Claims for Utility Model Registration] ■ In a computer configured to drive a printer using a battery as a power source by giving a print command signal to the printer, a detection device that outputs a detection signal when the power supply voltage falls below a predetermined level. A computer with a printer, comprising a circuit, a holding circuit for holding this detection signal, and a stop means for cutting off the supply of a printing command signal to the printer based on the holding state by the holding circuit. 2. The computer with a printer according to claim 1, wherein the stopping means includes a three-state element interposed in the output line of the print command signal.
JP16816082U 1982-11-05 1982-11-05 calculator with printer Pending JPS5974447U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16816082U JPS5974447U (en) 1982-11-05 1982-11-05 calculator with printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16816082U JPS5974447U (en) 1982-11-05 1982-11-05 calculator with printer

Publications (1)

Publication Number Publication Date
JPS5974447U true JPS5974447U (en) 1984-05-21

Family

ID=30367700

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16816082U Pending JPS5974447U (en) 1982-11-05 1982-11-05 calculator with printer

Country Status (1)

Country Link
JP (1) JPS5974447U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56147214A (en) * 1980-04-17 1981-11-16 Canon Inc Electronic apparatus with printer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56147214A (en) * 1980-04-17 1981-11-16 Canon Inc Electronic apparatus with printer

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