JPS58178198U - 押鍵指示装置 - Google Patents

押鍵指示装置

Info

Publication number
JPS58178198U
JPS58178198U JP7477282U JP7477282U JPS58178198U JP S58178198 U JPS58178198 U JP S58178198U JP 7477282 U JP7477282 U JP 7477282U JP 7477282 U JP7477282 U JP 7477282U JP S58178198 U JPS58178198 U JP S58178198U
Authority
JP
Japan
Prior art keywords
key
black
white
emitting elements
light
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
JP7477282U
Other languages
English (en)
Japanese (ja)
Other versions
JPS631331Y2 (enrdf_load_stackoverflow
Inventor
公太郎 水野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yamaha Corp
Original Assignee
Yamaha Corp
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 Yamaha Corp filed Critical Yamaha Corp
Priority to JP7477282U priority Critical patent/JPS58178198U/ja
Publication of JPS58178198U publication Critical patent/JPS58178198U/ja
Application granted granted Critical
Publication of JPS631331Y2 publication Critical patent/JPS631331Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Audible And Visible Signals (AREA)
JP7477282U 1982-05-21 1982-05-21 押鍵指示装置 Granted JPS58178198U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7477282U JPS58178198U (ja) 1982-05-21 1982-05-21 押鍵指示装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7477282U JPS58178198U (ja) 1982-05-21 1982-05-21 押鍵指示装置

Publications (2)

Publication Number Publication Date
JPS58178198U true JPS58178198U (ja) 1983-11-29
JPS631331Y2 JPS631331Y2 (enrdf_load_stackoverflow) 1988-01-13

Family

ID=30084176

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7477282U Granted JPS58178198U (ja) 1982-05-21 1982-05-21 押鍵指示装置

Country Status (1)

Country Link
JP (1) JPS58178198U (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS631331Y2 (enrdf_load_stackoverflow) 1988-01-13

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