JPS5881556U - keyboard practice device - Google Patents

keyboard practice device

Info

Publication number
JPS5881556U
JPS5881556U JP17741981U JP17741981U JPS5881556U JP S5881556 U JPS5881556 U JP S5881556U JP 17741981 U JP17741981 U JP 17741981U JP 17741981 U JP17741981 U JP 17741981U JP S5881556 U JPS5881556 U JP S5881556U
Authority
JP
Japan
Prior art keywords
practice device
keyboard practice
keyboard
song
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
JP17741981U
Other languages
Japanese (ja)
Inventor
博 久保
Original Assignee
シャープ株式会社
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 シャープ株式会社 filed Critical シャープ株式会社
Priority to JP17741981U priority Critical patent/JPS5881556U/en
Publication of JPS5881556U publication Critical patent/JPS5881556U/en
Pending legal-status Critical Current

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Landscapes

  • Electrophonic Musical Instruments (AREA)
  • Electrically Operated Instructional 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要部平面図、第２図は
回路ブロック図である。 １・・・鍵、２・・・表示体、１２・・・ＲＯＭ、１３
・・・テンポ・音符長回路、１４・・・加減算回路、１
５・・・オクターブセレクタ、１６・・・分周比記憶回
路、１７・・・分周回路、１８・・・一致回路、１９・
・・アドレスカウンター、２０・・・アンプ、２１・・
・スピーカー、２２・・・表示位置決定回路。FIG. 1 is a plan view of essential parts showing an embodiment of the present invention, and FIG. 2 is a circuit block diagram. 1...Key, 2...Display body, 12...ROM, 13
... Tempo/note length circuit, 14... Addition/subtraction circuit, 1
5... Octave selector, 16... Frequency division ratio storage circuit, 17... Frequency division circuit, 18... Matching circuit, 19.
...Address counter, 20...Amplifier, 21...
-Speaker, 22...Display position determining circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 記憶された曲情報を順次読み出し曲を音で再生する装−
と、前記曲情報の読出しに応じ、各鍵に楽符どおりの音
階、音符長で点灯して表示する表示体を設けた鍵盤とを
備えてなる鍵盤練習装置。A device that sequentially reads stored song information and plays the song with sound.
and a keyboard provided with a display that lights up and displays the scale and note length of each key according to the reading of the music information.
JP17741981U 1981-11-28 1981-11-28 keyboard practice device Pending JPS5881556U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17741981U JPS5881556U (en) 1981-11-28 1981-11-28 keyboard practice device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17741981U JPS5881556U (en) 1981-11-28 1981-11-28 keyboard practice device

Publications (1)

Publication Number Publication Date
JPS5881556U true JPS5881556U (en) 1983-06-02

Family

ID=29971283

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17741981U Pending JPS5881556U (en) 1981-11-28 1981-11-28 keyboard practice device

Country Status (1)

Country Link
JP (1) JPS5881556U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0517672U (en) * 1991-08-09 1993-03-05 株式会社バンダイ Electronic musical instrument

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0517672U (en) * 1991-08-09 1993-03-05 株式会社バンダイ Electronic musical instrument

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