JPS6224317Y2 - - Google Patents

Info

Publication number
JPS6224317Y2
JPS6224317Y2 JP1980017729U JP1772980U JPS6224317Y2 JP S6224317 Y2 JPS6224317 Y2 JP S6224317Y2 JP 1980017729 U JP1980017729 U JP 1980017729U JP 1772980 U JP1772980 U JP 1772980U JP S6224317 Y2 JPS6224317 Y2 JP S6224317Y2
Authority
JP
Japan
Prior art keywords
key
scale signal
pressed
reflective surface
photo coupler
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
JP1980017729U
Other languages
English (en)
Japanese (ja)
Other versions
JPS56120595U (enrdf_load_stackoverflow
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 JP1980017729U priority Critical patent/JPS6224317Y2/ja
Publication of JPS56120595U publication Critical patent/JPS56120595U/ja
Application granted granted Critical
Publication of JPS6224317Y2 publication Critical patent/JPS6224317Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Switches Operated By Changes In Physical Conditions (AREA)
  • Electronic Switches (AREA)
JP1980017729U 1980-02-16 1980-02-16 Expired JPS6224317Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1980017729U JPS6224317Y2 (enrdf_load_stackoverflow) 1980-02-16 1980-02-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980017729U JPS6224317Y2 (enrdf_load_stackoverflow) 1980-02-16 1980-02-16

Publications (2)

Publication Number Publication Date
JPS56120595U JPS56120595U (enrdf_load_stackoverflow) 1981-09-14
JPS6224317Y2 true JPS6224317Y2 (enrdf_load_stackoverflow) 1987-06-20

Family

ID=29614069

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1980017729U Expired JPS6224317Y2 (enrdf_load_stackoverflow) 1980-02-16 1980-02-16

Country Status (1)

Country Link
JP (1) JPS6224317Y2 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6324518A (ja) * 1987-04-21 1988-02-01 マックス株式会社 電動ホッチキスにおけるスタートスイッチ
JP2832683B2 (ja) * 1994-12-01 1998-12-09 株式会社河合楽器製作所 電子楽器の鍵盤装置
JP2010197942A (ja) * 2009-02-27 2010-09-09 Korg Inc 電子楽器

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5360221A (en) * 1976-11-11 1978-05-30 Matsushita Electric Ind Co Ltd Foot keyboard device of electronic musical instrument

Also Published As

Publication number Publication date
JPS56120595U (enrdf_load_stackoverflow) 1981-09-14

Similar Documents

Publication Publication Date Title
US7256359B2 (en) Key operation detection unit of an electronic keyboard instrument
JP3000885B2 (ja) スイッチ装置
US4677600A (en) Keyboard apparatus
US4503745A (en) Musical instrument
JPS6224317Y2 (enrdf_load_stackoverflow)
US3651729A (en) Circuit for rapid note passage in electronic musical instrument
US4448103A (en) Tunable bass-tone device
JP3074797B2 (ja) 鍵盤装置
US4095502A (en) Sound control system in an electronic musical instrument
JPH0750798Y2 (ja) 電子楽器のタツチレスポンススイツチ装置
JPS584146Y2 (ja) 電子楽器のアタツク開閉装置
JP2903931B2 (ja) スイッチ回路およびスイッチ装置
US4338845A (en) System for expanding the dynamic volume range of electronic musical instruments
JPS59142600A (ja) タツチレスポンス鍵盤
JP2587744Y2 (ja) 電子楽器の鍵盤装置
US3968716A (en) Musical instrument with means for scanning keys
JPH0432719Y2 (enrdf_load_stackoverflow)
JP2570897B2 (ja) スイッチ装置
JPS58235Y2 (ja) 電子楽器用鍵盤装置
JPH08718Y2 (ja) キー装置
JPS5825439Y2 (ja) 電気ピアノの弱音回路
JPH0734470Y2 (ja) 電子管楽器のキースイッチ構造
JP3824040B2 (ja) タッチコントロール機能付き鍵盤装置
KR910001812Y1 (ko) 전자악기의 건반장치
JP2001343977A (ja) 鍵盤装置