JPS59101293U - piano - Google Patents

piano

Info

Publication number
JPS59101293U
JPS59101293U JP19188082U JP19188082U JPS59101293U JP S59101293 U JPS59101293 U JP S59101293U JP 19188082 U JP19188082 U JP 19188082U JP 19188082 U JP19188082 U JP 19188082U JP S59101293 U JPS59101293 U JP S59101293U
Authority
JP
Japan
Prior art keywords
converter
power supply
key switch
battery
power
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.)
Granted
Application number
JP19188082U
Other languages
Japanese (ja)
Other versions
JPS6246218Y2 (en
Inventor
堀口　憲介
Original Assignee
ブラザー工業株式会社
アトラスピアノ製造株式会社
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 ブラザー工業株式会社, アトラスピアノ製造株式会社 filed Critical ブラザー工業株式会社
Priority to JP19188082U priority Critical patent/JPS59101293U/en
Publication of JPS59101293U publication Critical patent/JPS59101293U/en
Application granted granted Critical
Publication of JPS6246218Y2 publication Critical patent/JPS6246218Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Power Sources (AREA)
  • Stringed Musical Instruments (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 drawings]

図は本考案の一実施例の回路図である。 １・・・バッテリ、２・・・スイッチ、４・・・コンバ
ー・夕、９・・・表示素子。 −／　第７図The figure is a circuit diagram of an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Battery, 2... Switch, 4... Converter, 9... Display element. -/ Figure 7

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] バッテリより直接及びキースイッチを介する場合の双方
より給電されるＤＣ−ＤＣコンバータ前記ＤＣ−ＤＣコ
ンバータを介する場合と介さない場合の２系統の給電回
路を有するレギュレータ１、制御用マイクロコンピュー
タ、駆動回路、表示素子及び、前記バッテリ及びキース
イッチを介する給電回路に発生する双方のサージを吸収
するツェナーダイオードを備え、キースイッチオン時の
み前記ＤＣ−ＤＣコンバータを動作させることを特徴と
す　−る電子表示装置の電源。A DC-DC converter that is supplied with power both directly from a battery and via a key switch; a regulator 1 having two power supply circuits, one with and without the DC-DC converter; a control microcomputer; a drive circuit; An electronic display device comprising a display element and a Zener diode that absorbs surges generated in the power supply circuit via the battery and the key switch, and operating the DC-DC converter only when the key switch is turned on. power supply.
JP19188082U 1982-12-17 1982-12-17 piano Granted JPS59101293U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19188082U JPS59101293U (en) 1982-12-17 1982-12-17 piano

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19188082U JPS59101293U (en) 1982-12-17 1982-12-17 piano

Publications (2)

Publication Number Publication Date
JPS59101293U true JPS59101293U (en) 1984-07-07
JPS6246218Y2 JPS6246218Y2 (en) 1987-12-11

Family

ID=30413090

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19188082U Granted JPS59101293U (en) 1982-12-17 1982-12-17 piano

Country Status (1)

Country Link
JP (1) JPS59101293U (en)

Also Published As

Publication number Publication date
JPS6246218Y2 (en) 1987-12-11

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