KR920003003B1 - Key board device of electronic musical instrument - Google Patents

Key board device of electronic musical instrument Download PDF

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Publication number
KR920003003B1
KR920003003B1 KR1019890015671A KR890015671A KR920003003B1 KR 920003003 B1 KR920003003 B1 KR 920003003B1 KR 1019890015671 A KR1019890015671 A KR 1019890015671A KR 890015671 A KR890015671 A KR 890015671A KR 920003003 B1 KR920003003 B1 KR 920003003B1
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KR
South Korea
Prior art keywords
keyboard
hammer
musical instrument
electronic musical
chassis
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KR1019890015671A
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Korean (ko)
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KR910008636A (en
Inventor
오재호
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주식회사 금성사
이헌조
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Priority to KR1019890015671A priority Critical patent/KR920003003B1/en
Publication of KR910008636A publication Critical patent/KR910008636A/en
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Publication of KR920003003B1 publication Critical patent/KR920003003B1/en

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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC 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
    • G10H1/00Details of electrophonic musical instruments
    • G10H1/32Constructional details
    • G10H1/34Switch arrangements, e.g. keyboards or mechanical switches specially adapted for electrophonic musical instruments

Abstract

Supporting frames (2) are installed upon a keyboard chassis (1), and an acurate portion (3') of an actuation piece (3) is placed into a arcuate recess (2') of each of the supporting frames (2). One end of the actuation piece (3) is coupled with a keyboard (5) on which a plurality of pressing rods (4) are installed. The other end of the actuation piece (3) is secured to a cap (6) which is pushed down by a hammer (8), the hammer (8) being supported by a hinge pin (7) of the chassis (1). An elastic piece (9) is installed on one side of the chassis (1). The keyboard unit improves the acoustic effect of the musical instrument.

Description

전자악기의 건반장치Keyboard device of electronic musical instrument

제1도는 본 발명 장치의 부분 절개 사시도.1 is a partial cutaway perspective view of the device of the present invention.

제2a, 2b도는 본 발명 장치의 동작상태를 나타낸 단면도.2A and 2B are sectional views showing the operating state of the apparatus of the present invention.

제3도는 종래의 전자 악기에 있어서의 건반 장치를 나타낸 도면.3 is a diagram showing a keyboard device in a conventional electronic musical instrument.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 건반 샤시 2 : 균형 받침대1: keyboard chassis 2: balance bracket

2' : 반원형 홈 3 : 가동체2 ': semicircular groove 3: movable body

4 : 스위치 압압봉 5 : 건반4: switch push bar 5: keyboard

6 : 캠 8 : 해머6: cam 8: hammer

9 : 탄성체9: elastomer

본 발명은 전자 악기의 건반 장치에 관한 것으로 특히, 전자 건반악기에 실제의 어쿠스틱 피아노(Acoustic piano)의 다아나믹(Dynamic)키 터치 방식을 부과시켜 사용자가 키를 눌렀을 때 실제의 어쿠스틱 피아노의 실감을 느낄 수 있도록 한 전자 악기의 건반 장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a keyboard device of an electronic musical instrument. In particular, the electronic keyboard musical instrument imposes a dynamic key touch method of an actual acoustic piano, and the user feels the actual acoustic piano when the user presses a key. It is about the keyboard device of an electronic musical instrument.

종래의 전자 악기에 있어서의 건반 장치는 제3도에 나타낸 바와 같이 건반 샤시(31)의 안내 구명(32,33)에는 각각 건반(34)의 걸림 고리(35,36)가 끼워지고, 건반 샤시(31)와 건반(34)의 돌기(37,38)에는 탄발스프링(39)이 탄지되며, 기판(40)에 고정된 스위치(41)의 레버(41')에는 이와 대향되게 건반(34) 밑면에 돌출된 압압봉(42)이 맞닿아서 된 것으로 그의 동작관계는 다음과 같다.In the keyboard apparatus of the conventional electronic musical instrument, as shown in FIG. 3, the hook rings 35 and 36 of the keyboard 34 are fitted into the guide holes 32 and 33 of the keyboard chassis 31, respectively. The tandem springs 39 are supported by the projections 37 and 38 of the key 31 and the key 34, and the keys 34 are opposed to the lever 41 ′ of the switch 41 fixed to the substrate 40. The pressure bar 42 protruding from the bottom surface is in contact with the operation relationship is as follows.

먼저, 연주자가 건반(34)의 선단을 누르게 되면 걸림고리(35)를 중심으로 하여 탄발스프링(39)의 탄발력을 받으면, 건반(34)의 일측이 내려가게 됨으로 건반(34)의 압압봉(42)이 스위치(41)의 레버(41')를 작동시키게 된다. 또한 눌렀던 건반(34)을 놓게 되면 탄발스프링(39)의 복원력에 의해 건반은 원상태로 돌아오게되나 실제의 어쿠스틱 피아노에서 건반의 터치 감각을 느낄 수 없었다.First, when the player presses the tip of the keyboard 34 and receives the repulsion force of the ball spring 39 around the hook ring 35, one side of the keyboard 34 is pushed down, so that the pressing rod of the keyboard 34 is lowered. 42 causes the lever 41 'of the switch 41 to actuate. In addition, when the key 34 is released, the key is returned to its original state by the restoring force of the bullet spring 39, but the touch sense of the keyboard cannot be felt in the actual acoustic piano.

즉, 기존의 전자 악기는 일반적인 키보드와 같은 기능만을 수행하므로 실제의 어쿠스틱 피아노에서 손끝으로 느낄 수 있는 해머의 반발력을 느낄 수가 없는 문제점이 있었다.That is, the conventional electronic musical instruments perform only the same function as a general keyboard, and thus there is a problem in that the repulsive force of the hammer that can be felt at the fingertips of the actual acoustic piano cannot be felt.

본 발명은 이와 같은 종래의 문제점을 해소시키기 위하여 건반 후단의 가동체 일측에 캠을 설치하되 이 캠에는 건반 샤시에 축지된 해머가 맞닿게 하여 건반을 누르게 되면 해머가 회전하여 탄성체에 부딪히게 하므로서 전자 악기의 연주에서도 어쿠스틱 피아노에서 느낄 수 있는 중후한 터치 감각을 느낄 수 있도록 한 전자 악기의 건반장치를 제공하는 것을 목적으로 하며, 이하 첨부된 도면을 참조하여 본 발명을 상세히 설명하면 다음과 같다.The present invention is to provide a cam on one side of the movable body of the rear end of the keyboard in order to solve such a conventional problem, the hammer is rotated to hit the elastic body when the hammer is held in contact with the keyboard is pressed on the keyboard chassis to press the key It is an object of the present invention to provide a keyboard device of an electronic musical instrument that allows a user to feel the heavy touch sense that can be felt in an acoustic piano. Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

제1도에 나타낸 바와 같이 본 발명 장치는 건반 샤시(1)에 고정된 균형 받침대(2)의 반원형 홈(2')에 가동체(3)에 돌출된 반원부(3')가 재치되고, 가동체(3)의 일측은 스위치 압압봉(4)이 형성된 건반(5)이 결합되며, 그 타측 단부에 고정된 캠(6)은 건반 샤시(1)의 판(7)에 축지된 해머(8)에 눌러지고, 건반 샤시(1)의 일측에 탄성체(9)를 설치하여서 된 것으로, 여기서 미설명 부호 10은 회로판, 11은 버튼 스위치, 12는 걸림편, 13은 상한 정지편, 14는 하한 정지편 겸용 탄성체, 15는 고정용 볼트이다.As shown in FIG. 1, in the apparatus of the present invention, the semicircular portion 3 'protruding from the movable body 3 is placed in the semicircular groove 2' of the balance support 2 fixed to the keyboard chassis 1, One side of the movable body (3) is coupled to the keyboard (5) formed with the switch push bar (4), the cam (6) fixed to the other end of the hammer (3) is held on the plate (7) of the keyboard chassis ( 8), the elastic body 9 is provided on one side of the keyboard chassis 1, where reference numeral 10 denotes a circuit board, 11 a button switch, 12 a locking piece, 13 an upper limit stop, and 14 The lower limit stopper combined elastic body and 15 are fixing bolts.

이와 같이 구성된 본 발명의 작용효과를 제2a, 2b도를 참조하여 설명하면 다음과 같다,Referring to the effects of the present invention configured as described above with reference to Figure 2a, 2b are as follows,

먼저, 연주자가 연주를 위해 건반(5)의 선단을 제2b도와 같이 누르게 되면, 가동체(3)의 반원부(3')가 균형 받침대(2)의 반원형 홈(2')내에서 시계 방향으로 회전하게 되므로 건반(5)의 압압봉(4)이 버튼스위치(11)를 온시킴과 동시에 가동체(3)의 일측에 고정된 캠(6)이 해머(8)의 외주면을 급격하게 밀게 되므로 해머(8)는 피(7)을 중심으로 반시계 방향으로 회전하게 된다.First, when the player presses the tip of the keyboard 5 for the performance as shown in FIG. 2B, the semicircular portion 3 'of the movable body 3 is clockwise in the semicircular groove 2' of the balance rest 2. Since the pressing rod 4 of the keyboard 5 turns on the button switch 11, the cam 6 fixed to one side of the movable body 3 pushes the outer peripheral surface of the hammer 8 rapidly. Therefore, the hammer 8 is rotated counterclockwise about the blood (7).

이렇게 회전된 해머(8)의 끝단은 건반 샤시(1)에 고정된 탄상체(9)에 맞닿게 되는데, 이때 탄성체(9)의 소정의 탄성력을 가지고 있으므로 회전하던 해머(8)는 탄성체(9)의 탄발력에 의해 시계방향으로 다시 회전하게 되므로, 캠(6)에는 탄성체(9)의 탄발력에 의해 제2b도에서 2점 쇄선으로 도시된 바와 같이 되돌아오는 해머(8)의 운동량이 전달된다.The end of the rotated hammer (8) is in contact with the bullet body (9) fixed to the keyboard chassis (1), at which time the rotating hammer (8) has a predetermined elastic force of the elastic body (9) is the elastic body (9) Rotational force in the clockwise direction due to the resilience force of), the momentum of the hammer 8 returned to the cam 6 as shown by the dashed-dotted line in FIG. 2B by the resilience force of the elastic body 9 is transmitted. do.

이때 연주자의 손끝은 건반(5)의 선단을 누르고 있는 상태에 있으므로 해머(8)가 캠(8)에 부딪혀서 발생하는 미약한 힘이 연주자의 손끝에 전달되어지므로 연주가가 일반적인 어쿠스틱 피아노에서 느끼는 중후한 감각을 그대로 느낄 수 있는 것이다. 또한, 눌렀던 건반(5)으로부터 연주자의 손이 떨어지게 되면 해머(8)의 무게 중심이 핀(7)을 중심으로 하여 만곡부의 아래 부분에 있으므로 항상 캠(6)의 상단을 누르게 되어 가동체(3)의 반원부(3')가 균형 받침대(2)의 반원형 홈(2')내에서 반시계 방향으로 회전하게 되므로 건반(5)은 제2b도와 같이 원상태로 되돌아오게 되는데, 이때 상한 정지편(13)은 건반(5)이 원상태로 돌아올 때 최대 상한 위치를 결정하게 되고, 탄성체(14)는 건반(5)을 누를 때 건반(5)의 하한선을 결정함과 동시에 충격을 흡수하게 된다.At this time, the fingertip of the player is holding the tip of the keyboard 5, so the weak force generated by the hammer 8 hitting the cam 8 is transmitted to the fingertip of the player. You can feel your senses. In addition, when the player's hand is released from the pressed key 5, the center of gravity of the hammer 8 is located at the lower portion of the curved portion centering on the pin 7 so that the upper end of the cam 6 is always pressed. Since the semicircular portion 3 'of 3) rotates counterclockwise in the semicircular groove 2' of the balance support 2, the keyboard 5 returns to its original state as shown in FIG. 13 determines the maximum upper limit position when the keyboard 5 returns to its original state, and the elastic body 14 absorbs the shock while determining the lower limit of the keyboard 5 when the keyboard 5 is pressed.

이상에서 설명한 바와 같이 본 발명 장치에 의하면 일반적인 전자 건반 악기에 해머를 부가시켜 건반을 누를 때 해머의 무게감이 건반을 통해 연주자에게 직접 전달되는 중후한 키러치 감각을 느낄 수 있을 뿐만 아니라 연주자가 힘껏 건반을 내려쳤을 때와 살짝 내려쳤을때에 연주자의 손끝에 와닿는 해머의 반발력을 달리 느낄 수 있어 실제의 어쿠스틱 피아노에서만 느낄 수 있었던 키러치 감각을 전자 건반 악기에서도 그대로 느낄 수 있는 효과를 얻을 수 있는 것이다.As described above, according to the apparatus of the present invention, when a key is pressed by adding a hammer to a general electronic keyboard musical instrument, the weight of the hammer is directly transmitted to the player through the keyboard, and the player feels the key. You can feel the repulsive force of the hammer that touches the fingertips of the player when you hit and slightly hit it, so that you can feel the keystroke sensation that was only found on an actual acoustic piano. .

Claims (1)

건반 샤시(1)에 고정된 균형 받침대(2)의 반원형(2')에 가동체(3)에 돌출된 반원부(3')가 재치되고, 가동체(3)의 일측은 스위치 압압봉(4)이 형성된 건반(5)이 결합되며, 그의 타측 단부에 고정된 캠(6)은 건반 샤시(1)의 핀(7)에 축지된 해머(8)에 눌러지고, 건반 샤시(1)의 일측에 탄성체(9)를 설치하여서 된 전자악기의 건반 장치.A semicircular portion 3 'protruding from the movable body 3 is mounted on a semicircular shape 2' of the balance pedestal 2 fixed to the keyboard chassis 1, and one side of the movable body 3 has a switch pressing rod ( The keyboard 5 on which the 4) is formed is engaged, and the cam 6 fixed to the other end thereof is pressed by the hammer 8 held by the pin 7 of the keyboard chassis 1, and the The keyboard device of the electronic musical instrument which provided the elastic body 9 in one side.
KR1019890015671A 1989-10-31 1989-10-31 Key board device of electronic musical instrument KR920003003B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890015671A KR920003003B1 (en) 1989-10-31 1989-10-31 Key board device of electronic musical instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890015671A KR920003003B1 (en) 1989-10-31 1989-10-31 Key board device of electronic musical instrument

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Publication Number Publication Date
KR910008636A KR910008636A (en) 1991-05-31
KR920003003B1 true KR920003003B1 (en) 1992-04-13

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