JPS6438696U - - Google Patents

Info

Publication number
JPS6438696U
JPS6438696U JP13473487U JP13473487U JPS6438696U JP S6438696 U JPS6438696 U JP S6438696U JP 13473487 U JP13473487 U JP 13473487U JP 13473487 U JP13473487 U JP 13473487U JP S6438696 U JPS6438696 U JP S6438696U
Authority
JP
Japan
Prior art keywords
keys
swing fulcrum
fulcrum position
keyboard device
black
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
JP13473487U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0548236Y2 (US20020095090A1-20020718-M00002.png
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 filed Critical
Priority to JP1987134734U priority Critical patent/JPH0548236Y2/ja
Publication of JPS6438696U publication Critical patent/JPS6438696U/ja
Application granted granted Critical
Publication of JPH0548236Y2 publication Critical patent/JPH0548236Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP1987134734U 1987-09-02 1987-09-02 Expired - Lifetime JPH0548236Y2 (US20020095090A1-20020718-M00002.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987134734U JPH0548236Y2 (US20020095090A1-20020718-M00002.png) 1987-09-02 1987-09-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987134734U JPH0548236Y2 (US20020095090A1-20020718-M00002.png) 1987-09-02 1987-09-02

Publications (2)

Publication Number Publication Date
JPS6438696U true JPS6438696U (US20020095090A1-20020718-M00002.png) 1989-03-08
JPH0548236Y2 JPH0548236Y2 (US20020095090A1-20020718-M00002.png) 1993-12-21

Family

ID=31393750

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987134734U Expired - Lifetime JPH0548236Y2 (US20020095090A1-20020718-M00002.png) 1987-09-02 1987-09-02

Country Status (1)

Country Link
JP (1) JPH0548236Y2 (US20020095090A1-20020718-M00002.png)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3915050A (en) * 1974-03-21 1975-10-28 Wajiha Abdel Hak Keyboard instrument
JPS59133591A (ja) * 1983-01-20 1984-07-31 ヤマハ株式会社 電子楽器の鍵盤装置
JPS61198996U (US20020095090A1-20020718-M00002.png) * 1985-05-30 1986-12-12

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3915050A (en) * 1974-03-21 1975-10-28 Wajiha Abdel Hak Keyboard instrument
JPS59133591A (ja) * 1983-01-20 1984-07-31 ヤマハ株式会社 電子楽器の鍵盤装置
JPS61198996U (US20020095090A1-20020718-M00002.png) * 1985-05-30 1986-12-12

Also Published As

Publication number Publication date
JPH0548236Y2 (US20020095090A1-20020718-M00002.png) 1993-12-21

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