JPS60187962U - calculator - Google Patents

calculator

Info

Publication number
JPS60187962U
JPS60187962U JP7609784U JP7609784U JPS60187962U JP S60187962 U JPS60187962 U JP S60187962U JP 7609784 U JP7609784 U JP 7609784U JP 7609784 U JP7609784 U JP 7609784U JP S60187962 U JPS60187962 U JP S60187962U
Authority
JP
Japan
Prior art keywords
computer
control circuit
power
central processing
processing unit
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
JP7609784U
Other languages
Japanese (ja)
Inventor
博 堀越
石倉 政美
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP7609784U priority Critical patent/JPS60187962U/en
Publication of JPS60187962U publication Critical patent/JPS60187962U/en
Pending legal-status Critical Current

Links

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 drawings]

第1図は従来の計算機のシステム構成図、第2図はこの
考案の計算機の一実施例を示すシステム構成図である。 図中、1は計算機、2はメモリー、3は中央演算処理装
置、4は入・出力制御部、5はR/Fモジュレータ、6
はディスプレイ装置、7はスピーカ、8は制御回路、9
は電源オフ検出部、10はリレー接点である。なお図中
1.同一符号は同−又は相当部分を示す。
FIG. 1 is a system configuration diagram of a conventional computer, and FIG. 2 is a system configuration diagram showing an embodiment of the computer of this invention. In the figure, 1 is a computer, 2 is a memory, 3 is a central processing unit, 4 is an input/output control unit, 5 is an R/F modulator, 6
is a display device, 7 is a speaker, 8 is a control circuit, 9
1 is a power off detection unit, and 10 is a relay contact. Note that 1. The same reference numerals indicate the same or equivalent parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 中央演算処理装置、メモリー、外部機器インターフェイ
スを具備した計算機において、音声信号゛□ を処理す
る部分に電源と連動した制御回路を設け、該制御回路に
より電源がオフ状態になった場合、計算機からの音声出
力信号を低インピーダンス、無信号状態に設定し、外部
スピーカから出る雑音を無くするようにしたことを特徴
とする計算機。
In a computer equipped with a central processing unit, memory, and external device interface, a control circuit linked to the power supply is installed in the part that processes audio signals, and when the power is turned off by the control circuit, the computer A computer characterized in that an audio output signal is set to a low impedance, no-signal state to eliminate noise emitted from an external speaker.
JP7609784U 1984-05-24 1984-05-24 calculator Pending JPS60187962U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7609784U JPS60187962U (en) 1984-05-24 1984-05-24 calculator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7609784U JPS60187962U (en) 1984-05-24 1984-05-24 calculator

Publications (1)

Publication Number Publication Date
JPS60187962U true JPS60187962U (en) 1985-12-12

Family

ID=30617924

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7609784U Pending JPS60187962U (en) 1984-05-24 1984-05-24 calculator

Country Status (1)

Country Link
JP (1) JPS60187962U (en)

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