JPS6220553B2 - - Google Patents

Info

Publication number
JPS6220553B2
JPS6220553B2 JP54018398A JP1839879A JPS6220553B2 JP S6220553 B2 JPS6220553 B2 JP S6220553B2 JP 54018398 A JP54018398 A JP 54018398A JP 1839879 A JP1839879 A JP 1839879A JP S6220553 B2 JPS6220553 B2 JP S6220553B2
Authority
JP
Japan
Prior art keywords
light
key
group
key press
press detection
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.)
Expired
Application number
JP54018398A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55111991A (en
Inventor
Yoshinari Terada
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.)
Nippon Gakki Co Ltd
Original Assignee
Nippon Gakki Co Ltd
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 Nippon Gakki Co Ltd filed Critical Nippon Gakki Co Ltd
Priority to JP1839879A priority Critical patent/JPS55111991A/ja
Publication of JPS55111991A publication Critical patent/JPS55111991A/ja
Publication of JPS6220553B2 publication Critical patent/JPS6220553B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Electrophonic Musical Instruments (AREA)
JP1839879A 1979-02-21 1979-02-21 Detector for key in electronic musical instrument Granted JPS55111991A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1839879A JPS55111991A (en) 1979-02-21 1979-02-21 Detector for key in electronic musical instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1839879A JPS55111991A (en) 1979-02-21 1979-02-21 Detector for key in electronic musical instrument

Publications (2)

Publication Number Publication Date
JPS55111991A JPS55111991A (en) 1980-08-29
JPS6220553B2 true JPS6220553B2 (enrdf_load_stackoverflow) 1987-05-07

Family

ID=11970576

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1839879A Granted JPS55111991A (en) 1979-02-21 1979-02-21 Detector for key in electronic musical instrument

Country Status (1)

Country Link
JP (1) JPS55111991A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57118295A (en) * 1981-01-14 1982-07-23 Okura Indasutorii Kk Performance method of and apparatus for electronic musical instrument
JPS592092A (ja) * 1982-06-29 1984-01-07 カシオ計算機株式会社 電子楽器の接続装置
JPS59194796U (ja) * 1983-06-13 1984-12-25 ロ−ランド株式会社 キ−アサイナの押鍵検出装置
JPH0640269B2 (ja) * 1984-10-25 1994-05-25 ヤマハ株式会社 自動演奏ピアノ用光ファイバセンサユニット

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5115972B2 (enrdf_load_stackoverflow) * 1972-02-22 1976-05-20
JPS5334725B2 (enrdf_load_stackoverflow) * 1972-06-07 1978-09-22
JPS5150477A (enrdf_load_stackoverflow) * 1974-10-30 1976-05-04 Oki Electric Ind Co Ltd

Also Published As

Publication number Publication date
JPS55111991A (en) 1980-08-29

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