KR910018966A - Keyboard device of electronic piano - Google Patents

Keyboard device of electronic piano Download PDF

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Publication number
KR910018966A
KR910018966A KR1019900006287A KR900006287A KR910018966A KR 910018966 A KR910018966 A KR 910018966A KR 1019900006287 A KR1019900006287 A KR 1019900006287A KR 900006287 A KR900006287 A KR 900006287A KR 910018966 A KR910018966 A KR 910018966A
Authority
KR
South Korea
Prior art keywords
keyboard
electronic piano
keyboard device
key
guide member
Prior art date
Application number
KR1019900006287A
Other languages
Korean (ko)
Inventor
김명환
Original Assignee
이헌조
주식회사 금성사
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 이헌조, 주식회사 금성사 filed Critical 이헌조
Priority to KR1019900006287A priority Critical patent/KR910018966A/en
Priority to US07/689,972 priority patent/US5204486A/en
Priority to EP91303662A priority patent/EP0455404A1/en
Priority to JP3124574A priority patent/JPH04226496A/en
Publication of KR910018966A publication Critical patent/KR910018966A/en

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Abstract

내용 없음No content

Description

전자피아노의 건반장치Keyboard device of electronic piano

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제3도는 본 발명의 측단면도, 제4도는 본 발명의 힘대건변위 안내부재, 제5도는 본 발명의 힘대건변위 특성곡선도.Figure 3 is a side cross-sectional view of the present invention, Figure 4 is a force key displacement guide member of the present invention, Figure 5 is a force key displacement characteristic curve of the present invention.

Claims (5)

건반(2)과 샤시(3) 사이에 스위치작동자(6), 고무스위치(12)와 인쇄기판(13)을 각각 설치하여 건반스프링(16)의 탄력과 누름에 의해 연주하는 전자피아노의 건반장치에 있어서, 상기 건반(2)과, 샤시(3)에 안내팁(18)과 안내부재(17)를 각각 고정설치하여 타건시 안내팁(18)이 안내부재(17)의 건변위구간(a, b, c, d, e, f)을 따라 안내되어 누르는 힘을 변하도록 하는 것을 특징으로 하는 전자피아노의 건반장치.An electronic piano keyboard which is played by the elasticity and depressing of the key spring 16 by installing a switch operator 6, a rubber switch 12, and a printed board 13 between the keyboard 2 and the chassis 3, respectively. In the device, the guide tip 18 and the guide member 17 are fixedly installed on the keyboard 2 and the chassis 3, respectively, so that the guide tip 18 at the time of keying is the key displacement section of the guide member 17. Key keyboard of the electronic piano, characterized in that it is guided along a, b, c, d, e, f to change the pressing force. 제1항에 있어서, 상기 안내팁(18)은 판스프링(20)에 고정시킨후 그 판스프링(20)을 건반(2)에 고정설치한 것을 특징으로 하는 전자피아노의 건반장치.The keyboard device of an electronic piano according to claim 1, wherein the guide tip (18) is fixed to the leaf spring (20) and the leaf spring (20) is fixed to the keyboard (2). 제1항에 있어서, 상기 안내팁(18)은 측단면상 원형으로 형성하여 선접촉하여 한 것을 특징으로 하는 전자피아노의 건반장치.The keyboard device of an electronic piano according to claim 1, wherein the guide tip (18) is formed in a circular shape on a side cross section and is in line contact. 제1항에 있어서, 상기 안내부재(17)의 건변위구간(a, b, c, d, e, f)을 계단식으로 형성한 것을 특징으로 하는 전자피아노의 건반장치.The keyboard device of an electronic piano according to claim 1, wherein a key displacement section (a, b, c, d, e, f) of said guide member (17) is formed stepwise. 제1항 또는 제2항에 있어서, 상기 안내부재(17)의 건변위구간(a, b, c, d, e, f)중 a-b, c-d, e-f구간은 수직으로 형성되어 마찰력을 작게 하는 것을 특징으로 하는 전자피아노의 건반장치.The method according to claim 1 or 2, wherein the sections ab, cd, and ef of the key displacement sections a, b, c, d, e, and f of the guide member 17 are vertically formed to reduce the frictional force. Keyboard device of electronic piano characterized in that. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900006287A 1990-04-30 1990-04-30 Keyboard device of electronic piano KR910018966A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1019900006287A KR910018966A (en) 1990-04-30 1990-04-30 Keyboard device of electronic piano
US07/689,972 US5204486A (en) 1990-04-30 1991-04-23 Keyboard device of an electronic keyboard instrument
EP91303662A EP0455404A1 (en) 1990-04-30 1991-04-24 Keyboard device of electronic keyboard instrument
JP3124574A JPH04226496A (en) 1990-04-30 1991-04-30 Keyboard apparatus for electronic-keyboard musical instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900006287A KR910018966A (en) 1990-04-30 1990-04-30 Keyboard device of electronic piano

Publications (1)

Publication Number Publication Date
KR910018966A true KR910018966A (en) 1991-11-30

Family

ID=67482439

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900006287A KR910018966A (en) 1990-04-30 1990-04-30 Keyboard device of electronic piano

Country Status (1)

Country Link
KR (1) KR910018966A (en)

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