JPS6449898U - - Google Patents

Info

Publication number
JPS6449898U
JPS6449898U JP1987143570U JP14357087U JPS6449898U JP S6449898 U JPS6449898 U JP S6449898U JP 1987143570 U JP1987143570 U JP 1987143570U JP 14357087 U JP14357087 U JP 14357087U JP S6449898 U JPS6449898 U JP S6449898U
Authority
JP
Japan
Prior art keywords
action
spring
attached
action spring
weight
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
JP1987143570U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0425757Y2 (US06252093-20010626-C00008.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 JP1987143570U priority Critical patent/JPH0425757Y2/ja
Priority to US07/242,575 priority patent/US4856407A/en
Publication of JPS6449898U publication Critical patent/JPS6449898U/ja
Application granted granted Critical
Publication of JPH0425757Y2 publication Critical patent/JPH0425757Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C3/00—Details or accessories
    • G10C3/16—Actions
    • G10C3/20—Actions involving the use of hydraulic, pneumatic or electromagnetic means
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C3/00—Details or accessories
    • G10C3/12—Keyboards; Keys
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/32—Constructional details
    • G10H1/34—Switch arrangements, e.g. keyboards or mechanical switches specially adapted for electrophonic musical instruments
    • G10H1/344—Structural association with individual keys
    • G10H1/346—Keys with an arrangement for simulating the feeling of a piano key, e.g. using counterweights, springs, cams

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • Electrophonic Musical Instruments (AREA)
JP1987143570U 1987-09-18 1987-09-18 Expired JPH0425757Y2 (US06252093-20010626-C00008.png)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1987143570U JPH0425757Y2 (US06252093-20010626-C00008.png) 1987-09-18 1987-09-18
US07/242,575 US4856407A (en) 1987-09-18 1988-09-12 Action mechanism for a keyboard of an electronic piano

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987143570U JPH0425757Y2 (US06252093-20010626-C00008.png) 1987-09-18 1987-09-18

Publications (2)

Publication Number Publication Date
JPS6449898U true JPS6449898U (US06252093-20010626-C00008.png) 1989-03-28
JPH0425757Y2 JPH0425757Y2 (US06252093-20010626-C00008.png) 1992-06-19

Family

ID=15341823

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987143570U Expired JPH0425757Y2 (US06252093-20010626-C00008.png) 1987-09-18 1987-09-18

Country Status (2)

Country Link
US (1) US4856407A (US06252093-20010626-C00008.png)
JP (1) JPH0425757Y2 (US06252093-20010626-C00008.png)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02149994U (US06252093-20010626-C00008.png) * 1989-05-24 1990-12-21
JP2005338612A (ja) * 2004-05-28 2005-12-08 Kawai Musical Instr Mfg Co Ltd ピアノの打弦装置
JP2006126815A (ja) * 2004-09-28 2006-05-18 Yamaha Corp 鍵盤装置
JP2008241885A (ja) * 2007-03-26 2008-10-09 Yamaha Corp 電子楽器用鍵盤装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5763799A (en) * 1996-10-24 1998-06-09 Baldwin Piano & Organ Co., Inc. Simulated escapement apparatus for electronic keyboard
JP5552260B2 (ja) * 2009-05-07 2014-07-16 株式会社河合楽器製作所 電子鍵盤楽器の鍵盤装置
JP2012145728A (ja) * 2011-01-12 2012-08-02 Roland Corp 鍵盤装置
US10937405B1 (en) 2020-05-11 2021-03-02 Lindley Frahm Foldable piano keyboard

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5419729A (en) * 1977-07-14 1979-02-14 Matsushita Electric Ind Co Ltd Key board device
US4375179A (en) * 1980-10-27 1983-03-01 The Wurlitzer Company Action for electronic piano

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02149994U (US06252093-20010626-C00008.png) * 1989-05-24 1990-12-21
JP2005338612A (ja) * 2004-05-28 2005-12-08 Kawai Musical Instr Mfg Co Ltd ピアノの打弦装置
JP2006126815A (ja) * 2004-09-28 2006-05-18 Yamaha Corp 鍵盤装置
JP2008241885A (ja) * 2007-03-26 2008-10-09 Yamaha Corp 電子楽器用鍵盤装置

Also Published As

Publication number Publication date
JPH0425757Y2 (US06252093-20010626-C00008.png) 1992-06-19
US4856407A (en) 1989-08-15

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