JPH0425757Y2 - - Google Patents

Info

Publication number
JPH0425757Y2
JPH0425757Y2 JP1987143570U JP14357087U JPH0425757Y2 JP H0425757 Y2 JPH0425757 Y2 JP H0425757Y2 JP 1987143570 U JP1987143570 U JP 1987143570U JP 14357087 U JP14357087 U JP 14357087U JP H0425757 Y2 JPH0425757 Y2 JP H0425757Y2
Authority
JP
Japan
Prior art keywords
key
action
weight
spring
action spring
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
JP1987143570U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6449898U (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 JPS6449898U (US06252093-20010626-C00008.png) 1989-03-28
JPH0425757Y2 true 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)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0715023Y2 (ja) * 1989-05-24 1995-04-10 株式会社河合楽器製作所 電子楽器用鍵盤装置に於ける慣性付加体の取付装置
US5763799A (en) * 1996-10-24 1998-06-09 Baldwin Piano & Organ Co., Inc. Simulated escapement apparatus for electronic keyboard
JP2005338612A (ja) * 2004-05-28 2005-12-08 Kawai Musical Instr Mfg Co Ltd ピアノの打弦装置
JP4655849B2 (ja) * 2004-09-28 2011-03-23 ヤマハ株式会社 鍵盤装置
JP4998847B2 (ja) * 2007-03-26 2012-08-15 ヤマハ株式会社 電子楽器用鍵盤装置
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

Also Published As

Publication number Publication date
JPS6449898U (US06252093-20010626-C00008.png) 1989-03-28
US4856407A (en) 1989-08-15

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