WO2010067922A1 - Yoke for improving magnetic force, and speaker using same - Google Patents

Yoke for improving magnetic force, and speaker using same Download PDF

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Publication number
WO2010067922A1
WO2010067922A1 PCT/KR2009/001069 KR2009001069W WO2010067922A1 WO 2010067922 A1 WO2010067922 A1 WO 2010067922A1 KR 2009001069 W KR2009001069 W KR 2009001069W WO 2010067922 A1 WO2010067922 A1 WO 2010067922A1
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WO
WIPO (PCT)
Prior art keywords
yoke
plate
speaker
side wall
magnetic circuit
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PCT/KR2009/001069
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French (fr)
Korean (ko)
Inventor
이상호
김창원
도성환
권철영
Original Assignee
주식회사 비에스이
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Publication of WO2010067922A1 publication Critical patent/WO2010067922A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
    • B06B1/045—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism using vibrating magnet, armature or coil system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Definitions

  • the present invention relates to a speaker, and more particularly, to a yoke and a speaker using the same to obtain a high density uniform magnetic force.
  • a speaker places a voice coil attached to a diaphragm in a gap between a plate and a yoke in a magnetic circuit composed of a plate, a magnet, and a yoke, and when an electric signal flows through the voice coil, the magnetic circuit is changed into kinetic energy and thus the diaphragm
  • It is an acoustic device that generates sound waves by generating small waves in the air.
  • the conventional micro speaker 10 used in portable electronic products such as a mobile phone is attached to the diaphragm 11 and the diaphragm 11 that generate sound by vibration, and when the current flows, the diaphragm ( It is attached to the center of the voice coil 12 for vibrating 11, the frame 13 for supporting the diaphragm 11, the U-shaped yoke 14 seated inside the frame 13, the U-shaped yoke 14
  • the diaphragm 11 is composed of a magnet 15, a plate 16, and a cover 17, and an electric signal flows through the voice coil 12 located in the gap Gap between the yoke 14 and the plate 16. It generates sound waves by generating small waves in the air.
  • the conventional U-shaped yoke 14 used in the micro speaker has a problem in that the characteristics of the magnetic circuit are inferior since the sidewall end of the yoke may be manufactured only in a straight structure as shown in FIG. 1.
  • an object of the present invention is to form a protrusion integrally in the side wall end of the yoke or to combine a metal ring in the straight yoke to obtain a high-density uniform magnetic field in the gap
  • An object of the present invention is to provide a yoke for a speaker.
  • Another object of the present invention is to provide a speaker having improved characteristics by adopting the yoke of the improved structure.
  • the yoke of the present invention comprises a U-shaped yoke body formed by protruding side walls at the edge of the plate, and a metal ring coupled inside the side wall end of the yoke body, between the plate and the yoke. It is characterized in that it is possible to form a high-density uniform magnetic force in the magnetic circuit to be formed.
  • the speaker of the present invention includes a vibration plate for generating sound by vibration, a voice coil attached to the vibration plate and positioned on a magnetic circuit to vibrate the vibration plate when current flows, and the vibration plate
  • a vibration plate for generating sound by vibration
  • a voice coil attached to the vibration plate and positioned on a magnetic circuit to vibrate the vibration plate when current flows
  • the vibration plate A frame having a mounting space formed therein, a yoke seated in an inner mounting space of the frame, and having a metal ring coupled to an inner side of an end of the sidewall, a magnet attached to a center of the yoke, and attached to the magnet; It characterized in that it comprises a plate for forming a magnetic circuit through the yoke and the gap.
  • the speaker according to the present invention is formed integrally with the projection on the side wall end of the yoke or by forming a locking jaw on the inside of the yoke so that the metal ring is seated on the locking jaw or the metal ring inside the straight side wall end of the yoke It is possible to obtain a high-density uniform magnetic force in the gap (Gap) consisting of a plate and a yoke by combining the by a method such as interference fit or bonding.
  • 1 is a schematic diagram showing a conventional speaker
  • FIG. 2 is a perspective view of the yoke-adopted speaker according to the present invention.
  • FIG. 3 is a view for explaining the operation of the yoke according to the present invention.
  • Figure 2 is a perspective view of the yoke according to the invention employing the speaker
  • Figure 3 is a view for explaining the operation of the yoke according to the present invention.
  • the yoke 140 As shown in FIGS. 2 and 3, the yoke 140 according to the present invention has a locking jaw 140a formed inside the U-shaped side wall end portion, and the metal ring 142 has a locking jaw 140a. It is settled on or coupled to an interference fit method or bonding to obtain a high density and uniform magnetic force.
  • the speaker using the yoke 140 of the present invention as shown in Figure 2, the diaphragm 110 for generating sound by vibration, and is attached to the diaphragm 110 and located on a magnetic circuit current is The voice coil 120 which vibrates the diaphragm 110 when it flows, the frame 130 supporting the diaphragm 110, and the metal ring (140) of the side wall end are seated in the inner mounting space of the frame 13.
  • the cover 170 is coupled to the yoke 140 in which the 142 is seated or bonded by bonding, the magnet 150 attached to the center of the yoke 140, the plate 160, and the frame 130 to protect internal components thereof. It is composed of Here, the metal ring 142 is inserted to protrude than the yoke 140 and may be formed of an annular ring or a rectangular ring that is wider than the plate 160.
  • an edge surface of the diaphragm 110 is supported on the frame 130, and a voice coil 120 is attached to the bottom of the diaphragm 110.
  • a U-shaped yoke 140 is seated in the inner space of the frame 130, and a magnet 150 and a plate 160 are seated in the center of the yoke to form a magnetic circuit between the plate 160 and the yoke 140.
  • the locking jaw 140a is formed inside the side wall end of the U-shaped yoke so that the metal ring 142 is seated or fastened by interference fit or bonding to form a magnetic circuit composed of the yoke 140 and the plate 160. High density uniform magnetic force can be obtained.
  • the metal ring 142 may protrude from the yoke 140 to have a width greater than that of the plate 160.
  • the speaker according to the present invention has a magnetic circuit formed of the yoke 140 in the plate 160 through a gap between the plate 140 and the yoke 160.
  • the voice coil 120 attached to the diaphragm 110 is located in the gap.
  • an electric field is formed by the current flowing through the voice coil 120 between the magnetic circuits to vibrate the diaphragm 110 to generate sound.
  • the metal ring 142 is seated on the engaging jaw (140a) of the inner end of the yoke 140, or coupled in an interference fit method or bonding, such as the plate 160 and the yoke ( A high density uniform magnetic force can be obtained in the gap Gap formed of 140).
  • the yoke 140 according to the present invention may integrally form the protrusion 142 ′ inwardly at the side wall end of the yoke 140 without using a separate metal ring as shown in FIG. 4.

Abstract

The present invention relates to a yoke for improving magnetic force, and to a speaker using same. The yoke of the present invention comprises: a U-shaped yoke body having a side wall with a protrusion, and which is formed at the edge of a flat plate; and a metal ring coupled to the inside of the end of the side wall of the yoke body. The magnetic circuit formed between the plate and the yoke has a high-density uniform magnetic force. The speaker of the present invention comprises: a vibration plate which generates sound through vibrations; a voice coil attached to the vibration plate and positioned on the magnetic circuit to vibrate the vibration plate when a current is applied thereto; a frame which supports the vibration plate, and has an inside with a space; the yoke which is arranged in the space of the frame, and which has a metal ring coupled to the inside of the end of the side wall of the yoke; a magnet attached to the center of the yoke; and the plate, which is attached onto the magnet to form the magnetic circuit over the gap formed between the yoke and the plate.

Description

자기력 개선을 위한 요크와 이를 이용한 스피커Yoke for improving magnetic force and speaker using same
본 발명은 스피커에 관한 것으로, 더욱 상세하게는 고밀도의 균일한 자기력을 얻기 위한 요크와 이를 이용한 스피커에 관한 것이다.The present invention relates to a speaker, and more particularly, to a yoke and a speaker using the same to obtain a high density uniform magnetic force.
일반적으로, 스피커는 플레이트와 자석 및 요크로 이루어진 자기회로에서 플레이트와 요크 사이의 갭(Gap)에 진동판에 부착된 보이스 코일을 위치시켜 전기신호가 보이스 코일에 흐르게 되면 자기회로에서 운동에너지로 바뀌어 진동판이 공기 중에 소밀파를 발생시켜 음파를 발생시키는 음향기기이다.In general, a speaker places a voice coil attached to a diaphragm in a gap between a plate and a yoke in a magnetic circuit composed of a plate, a magnet, and a yoke, and when an electric signal flows through the voice coil, the magnetic circuit is changed into kinetic energy and thus the diaphragm It is an acoustic device that generates sound waves by generating small waves in the air.
휴대폰과 같은 휴대용 전자제품들에 사용되는 종래의 마이크로 스피커(10)는 도 1에 도시된 바와 같이, 진동에 의해 음향을 발생하는 진동판(11)과 진동판(11)에 부착되어 전류가 흐르면 진동판(11)을 진동시키는 보이스 코일(12), 진동판(11)을 지지하는 프레임(13), 프레임(13)의 내측에 안착되는 U자형 요크(14), U자형 요크(14)의 중앙에 부착되는 자석(15)과 플레이트(16), 커버(17)로 구성되어 요크(14)와 플레이트(16) 사이의 갭(Gap)에 위치한 보이스 코일(12)에 전기신호가 흐르게 되면 진동판(11)이 공기 중에 소밀파를 발생시켜 음파를 발생한다.As shown in FIG. 1, the conventional micro speaker 10 used in portable electronic products such as a mobile phone is attached to the diaphragm 11 and the diaphragm 11 that generate sound by vibration, and when the current flows, the diaphragm ( It is attached to the center of the voice coil 12 for vibrating 11, the frame 13 for supporting the diaphragm 11, the U-shaped yoke 14 seated inside the frame 13, the U-shaped yoke 14 The diaphragm 11 is composed of a magnet 15, a plate 16, and a cover 17, and an electric signal flows through the voice coil 12 located in the gap Gap between the yoke 14 and the plate 16. It generates sound waves by generating small waves in the air.
그런데 마이크로 스피커에 사용되는 종래의 U자형 요크(14)는 도 1에 도시된 바와 같이 요크의 측벽 단부가 일자형 구조로 밖에 제작할 수 없어 자기회로의 특성이 떨어지는 문제점이 있다.However, the conventional U-shaped yoke 14 used in the micro speaker has a problem in that the characteristics of the magnetic circuit are inferior since the sidewall end of the yoke may be manufactured only in a straight structure as shown in FIG. 1.
본 발명은 상기와 같은 문제점을 해소하기 위해 제안된 것으로, 본 발명의 목적은 요크의 측벽 단부에 내측으로 돌기를 일체로 형성하거나 일자형 요크에 금속링을 결합하여 갭에서 고밀도의 균일한 자계를 얻을 수 있도록 하는 스피커용 요크를 제공하는 것을 목적으로 한다. The present invention has been proposed to solve the above problems, an object of the present invention is to form a protrusion integrally in the side wall end of the yoke or to combine a metal ring in the straight yoke to obtain a high-density uniform magnetic field in the gap An object of the present invention is to provide a yoke for a speaker.
본 발명의 다른 목적은 개선된 구조의 요크를 채택하여 특성이 향상된 스피커를 제공하는 것이다.Another object of the present invention is to provide a speaker having improved characteristics by adopting the yoke of the improved structure.
상기와 같은 목적을 달성하기 위하여 본 발명의 요크는, 평판의 가장자리에 측벽이 일자로 돌기되어 형성된 U자형 요크 몸체와, 상기 요크 몸체의 측벽 단부 내측에 결합된 금속링으로 이루어져 플레이트와 요크 사이에 형성되는 자기회로에 고밀도의 균일한 자기력을 형성할 수 있도록 된 것을 특징으로 한다.In order to achieve the above object, the yoke of the present invention comprises a U-shaped yoke body formed by protruding side walls at the edge of the plate, and a metal ring coupled inside the side wall end of the yoke body, between the plate and the yoke. It is characterized in that it is possible to form a high-density uniform magnetic force in the magnetic circuit to be formed.
그리고 상기와 같은 목적을 달성하기 위하여 본 발명의 스피커는, 진동에 의해 음향을 발생하는 진동판과, 상기 진동판에 부착되고 자기회로상에 위치하여 전류가 흐르면 상기 진동판을 진동시키는 보이스 코일과, 상기 진동판을 지지하고 내측에 실장공간이 형성된 프레임과, 상기 프레임의 내측 실장공간에 안착되고 측벽 단부의 내측에 금속링이 결합된 요크와, 상기 요크의 중앙에 부착되는 자석과, 상기 자석 위에 부착되어 상기 요크와 갭을 거쳐 자기회로를 형성하는 플레이트를 포함하는 것을 특징으로 한다. In order to achieve the above object, the speaker of the present invention includes a vibration plate for generating sound by vibration, a voice coil attached to the vibration plate and positioned on a magnetic circuit to vibrate the vibration plate when current flows, and the vibration plate A frame having a mounting space formed therein, a yoke seated in an inner mounting space of the frame, and having a metal ring coupled to an inner side of an end of the sidewall, a magnet attached to a center of the yoke, and attached to the magnet; It characterized in that it comprises a plate for forming a magnetic circuit through the yoke and the gap.
본 발명에 따른 스피커는 요크의 측벽 단부에 내측으로 돌기를 일체로 형성하거나 요크의 내측에 걸림턱을 형성하여 금속링이 걸림턱에 안착되도록 하거나 요크의 일자형 측벽 단(端)부 내측에 금속링을 억지끼움 방식이나 본딩 등의 방식으로 결합하여 플레이트와 요크로 이루어진 갭(Gap)에서 고밀도의 균일한 자기력을 얻을 수 있다.The speaker according to the present invention is formed integrally with the projection on the side wall end of the yoke or by forming a locking jaw on the inside of the yoke so that the metal ring is seated on the locking jaw or the metal ring inside the straight side wall end of the yoke It is possible to obtain a high-density uniform magnetic force in the gap (Gap) consisting of a plate and a yoke by combining the by a method such as interference fit or bonding.
도 1은 종래의 스피커를 도시한 개략도,1 is a schematic diagram showing a conventional speaker,
도 2는 본 발명에 따른 요크가 채택된 스피커의 결합 사시도, 2 is a perspective view of the yoke-adopted speaker according to the present invention,
도 3은 본 발명에 따른 요크의 동작을 설명하기 위한 도면,3 is a view for explaining the operation of the yoke according to the present invention;
도 4는 본 발명에 따른 요크의 다른 예이다.4 is another example of a yoke according to the present invention.
*도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
110: 진동판 120: 보이스코일110: diaphragm 120: voice coil
130: 프레임 140: 요크130: frame 140: York
140a: 걸림턱140a: jaw
142: 금속링 150: 자석142: metal ring 150: magnet
160: 플레이트 170: 커버160: plate 170: cover
본 발명과 본 발명의 실시에 의해 달성되는 기술적 과제는 다음에서 설명하는 본 발명의 바람직한 실시예들에 의하여 보다 명확해질 것이다. 다음의 실시예들은 단지 본 발명을 설명하기 위하여 예시된 것에 불과하며, 본 발명의 범위를 제한하기 위한 것은 아니다. The technical problems achieved by the present invention and the practice of the present invention will be more clearly understood by the preferred embodiments of the present invention described below. The following examples are merely illustrated to illustrate the present invention and are not intended to limit the scope of the present invention.
도 2는 본 발명에 따른 요크가 채택된 스피커의 결합 사시도이고, 도 3은 본 발명에 따른 요크의 동작을 설명하기 위한 도면이다.Figure 2 is a perspective view of the yoke according to the invention employing the speaker, Figure 3 is a view for explaining the operation of the yoke according to the present invention.
본 발명에 따른 요크(140)는 도 2 및 3에 도시된 바와 같이, U자형 측벽 단(端)부의 내측에 걸림턱(140a)이 형성되어 있고, 금속링(142)이 걸림턱(140a)에 안착되거나 억지끼움 방식이나 본딩 등으로 결합되어 고밀도의 균일한 자기력을 얻을 수 있도록 된 것이다. 그리고 이러한 본 발명의 요크(140)가 사용된 스피커는 도 2에 도시된 바와 같이, 진동에 의해 음향을 발생하는 진동판(110)과, 진동판(110)에 부착되고 자기회로상에 위치하여 전류가 흐르면 진동판(110)을 진동시키는 보이스 코일(120), 진동판(110)을 지지하는 프레임(130)과, 프레임(13)의 내측 실장공간에 안착되고 측벽 단부의 걸림턱(140a)에 금속링(142)이 안착되거나 본딩 등으로 결합된 요크(140), 요크(140)의 중앙에 부착되는 자석(150)과 플레이트(160), 프레임(130)과 결합되어 내부의 부품들을 보호하는 커버(170)로 구성된다. 여기서, 금속링(142)은 요크(140)보다 돌출되게 삽입되고 플레이트(160)보다 폭이 넓은 환형 링이나 장방형 링으로 이루어질 수 있다.As shown in FIGS. 2 and 3, the yoke 140 according to the present invention has a locking jaw 140a formed inside the U-shaped side wall end portion, and the metal ring 142 has a locking jaw 140a. It is settled on or coupled to an interference fit method or bonding to obtain a high density and uniform magnetic force. And the speaker using the yoke 140 of the present invention, as shown in Figure 2, the diaphragm 110 for generating sound by vibration, and is attached to the diaphragm 110 and located on a magnetic circuit current is The voice coil 120 which vibrates the diaphragm 110 when it flows, the frame 130 supporting the diaphragm 110, and the metal ring (140) of the side wall end are seated in the inner mounting space of the frame 13. The cover 170 is coupled to the yoke 140 in which the 142 is seated or bonded by bonding, the magnet 150 attached to the center of the yoke 140, the plate 160, and the frame 130 to protect internal components thereof. It is composed of Here, the metal ring 142 is inserted to protrude than the yoke 140 and may be formed of an annular ring or a rectangular ring that is wider than the plate 160.
도 2 및 도 3을 참조하면, 본 발명에 따른 스피커(100)는 프레임(130)에 진동판(110)의 에지면이 지지되어 있고, 진동판(110)의 저면에는 보이스 코일(120)이 부착되어 있다. 프레임(130)의 내측 공간에는 U자형의 요크(140)가 안착되어 있고, 요크의 중앙부에는 자석(150)과 플레이트(160)가 안착되어 플레이트(160)와 요크 (140) 사이에 자기회로를 형성하고 있다. 이때 본 발명에 따라 U자형 요크의 측벽 단부 내측에는 걸림턱(140a)이 형성되어 금속링(142)이 안착되거나 억지끼움 혹은 본딩 등으로 체결되어 요크(140)와 플레이트(160)로 이루어진 자기회로에 고밀도의 균일한 자기력을 얻을 수 있다. 그리고 금속링(142)은 도 3에 도시된 바와 같이, 요크(140)보다 돌출되어 폭이 플레이트(160)보다 크게 될 수도 있다.2 and 3, in the speaker 100 according to the present invention, an edge surface of the diaphragm 110 is supported on the frame 130, and a voice coil 120 is attached to the bottom of the diaphragm 110. have. A U-shaped yoke 140 is seated in the inner space of the frame 130, and a magnet 150 and a plate 160 are seated in the center of the yoke to form a magnetic circuit between the plate 160 and the yoke 140. Forming. At this time, according to the present invention, the locking jaw 140a is formed inside the side wall end of the U-shaped yoke so that the metal ring 142 is seated or fastened by interference fit or bonding to form a magnetic circuit composed of the yoke 140 and the plate 160. High density uniform magnetic force can be obtained. As shown in FIG. 3, the metal ring 142 may protrude from the yoke 140 to have a width greater than that of the plate 160.
이어서, 이와 같이 구성되는 본 발명에 따른 스피커의 동작을 살펴 보면, 다음과 같다.Next, the operation of the speaker according to the present invention configured as described above will be described.
먼저, 본 발명에 따른 스피커는 도 2에 도시된 바와 같이, 플레이트(140)와 요크(160) 사이의 갭(Gap)을 통해 플레이트(160)에서 요크(140)로 이루어지는 자기회로가 형성되어 있고, 갭에는 진동판(110)에 부착된 보이스 코일(120)이 위치하고 있다. 이와 같은 상태에서 보이스 코일(120)에 전기적인 신호를 인가하면, 자기회로 사이에 있는 보이스 코일(120)에 흐르는 전류에 의해 전기장이 형성되어 진동판(110)을 진동시켜 음향을 발생시키게 된다.First, as shown in FIG. 2, the speaker according to the present invention has a magnetic circuit formed of the yoke 140 in the plate 160 through a gap between the plate 140 and the yoke 160. , The voice coil 120 attached to the diaphragm 110 is located in the gap. When an electrical signal is applied to the voice coil 120 in this state, an electric field is formed by the current flowing through the voice coil 120 between the magnetic circuits to vibrate the diaphragm 110 to generate sound.
그리고 본 발명에 따른 스피커는 요크(140)의 일자형 단(端)부 내측의 걸림턱(140a)에 금속링(142)이 안착되거나 억지끼움 방식 혹은 본딩 등으로 결합되어 플레이트(160)와 요크(140)로 이루어진 갭(Gap)에서 고밀도의 균일한 자기력을 얻을 수 있다.In addition, the speaker according to the present invention, the metal ring 142 is seated on the engaging jaw (140a) of the inner end of the yoke 140, or coupled in an interference fit method or bonding, such as the plate 160 and the yoke ( A high density uniform magnetic force can be obtained in the gap Gap formed of 140).
한편, 본 발명에 따른 요크(140)는 도 4에 도시된 바와 같이 별도의 금속링을 사용하지 않고, 요크(140)의 측벽 단부에 내측으로 돌기(142')를 일체로 형성할 수도 있다.Meanwhile, the yoke 140 according to the present invention may integrally form the protrusion 142 ′ inwardly at the side wall end of the yoke 140 without using a separate metal ring as shown in FIG. 4.
이상에서 본 발명은 도면에 도시된 일 실시예를 참고로 설명되었으나, 본 기술분야의 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 타 실시예가 가능하다는 점을 이해할 것이다.The present invention has been described above with reference to one embodiment shown in the drawings, but those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom.

Claims (4)

  1. 평판의 가장자리에 측벽이 형성되고, 상기 측벽의 내측에 돌기가 형성되어 A side wall is formed at the edge of the plate, and protrusions are formed inside the side wall.
    플레이트와 상기 돌기 사이에 형성되는 자기회로에 고밀도의 자기력을 형성할 수 있도록 된 스피커용 요크.A speaker yoke capable of forming a high density magnetic force in a magnetic circuit formed between the plate and the protrusion.
  2. 평판의 가장자리에 측벽이 일자로 돌기되어 측벽의 내측에 걸림턱이 형성된 U자형 요크 몸체와,A U-shaped yoke body having a sidewall protruding to the edge of the plate and having a locking jaw formed inside the sidewall,
    상기 요크 몸체의 측벽 단(端)부 내측에 형성된 걸림턱에 결합된 금속링으로 이루어져 플레이트와 요크 사이에 형성되는 자기회로에 고밀도의 자기력을 형성할 수 있도록 된 스피커용 요크.Yoke for a speaker made of a metal ring coupled to the engaging jaw formed inside the side wall end portion of the yoke body to form a high density magnetic force in the magnetic circuit formed between the plate and the yoke.
  3. 진동에 의해 음향을 발생하는 진동판과, A diaphragm that generates sound by vibration,
    상기 진동판에 부착되고 자기회로상에 위치하여 전류가 흐르면 상기 진동판을 진동시키는 보이스 코일과,A voice coil attached to the diaphragm and positioned on a magnetic circuit to vibrate the diaphragm when current flows;
    상기 진동판을 지지하고 내측에 실장공간이 형성된 프레임과, A frame supporting the diaphragm and having a mounting space formed therein;
    상기 프레임의 내측 실장공간에 안착되고 측벽 단부에 내측으로 돌기가 일체로 형성되거나 측벽 단부의 내측 걸림턱에 금속링이 결합된 요크와,A yoke seated in an inner mounting space of the frame and having a protrusion integrally formed at an end of the side wall or a metal ring coupled to an inner locking jaw of the side wall,
    상기 요크의 중앙에 부착되는 자석과,A magnet attached to the center of the yoke,
    상기 자석 위에 부착되어 상기 요크와 갭을 거쳐 자기회로를 형성하는 플레이트를 포함하는 것을 특징으로 하는 스피커.And a plate attached to the magnet to form a magnetic circuit through the yoke and the gap.
  4. 제2항 또는 제3항에 있어서, 상기 금속링은According to claim 2 or 3, wherein the metal ring
    플레이트보다 폭이 넓은 환형 링이나 장방형 링인 것을 특징으로 하는 스피커.Speaker having a wider annular ring or a rectangular ring than the plate.
PCT/KR2009/001069 2008-12-12 2009-03-04 Yoke for improving magnetic force, and speaker using same WO2010067922A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20-2008-0016522 2008-12-12
KR2020080016522U KR20100006313U (en) 2008-12-12 2008-12-12 Yoke for improving magnetic force and speaker using the same

Publications (1)

Publication Number Publication Date
WO2010067922A1 true WO2010067922A1 (en) 2010-06-17

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CN (1) CN201440718U (en)
TW (1) TWM384484U (en)
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160165353A1 (en) * 2014-12-07 2016-06-09 Cardas Audio Ltd. Loudspeaker using Contour Field Hard Magnet Poles and Yoke Construction

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990001656U (en) * 1997-06-20 1999-01-15 이형도 Speaker frame structure
JP2003224899A (en) * 2002-01-31 2003-08-08 Kenwood Corp Magnetic circuit for speaker
KR200432596Y1 (en) * 2006-09-27 2006-12-05 주식회사 진영음향 A speaker

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990001656U (en) * 1997-06-20 1999-01-15 이형도 Speaker frame structure
JP2003224899A (en) * 2002-01-31 2003-08-08 Kenwood Corp Magnetic circuit for speaker
KR200432596Y1 (en) * 2006-09-27 2006-12-05 주식회사 진영음향 A speaker

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160165353A1 (en) * 2014-12-07 2016-06-09 Cardas Audio Ltd. Loudspeaker using Contour Field Hard Magnet Poles and Yoke Construction
US9699565B2 (en) * 2014-12-07 2017-07-04 Cardas Audio Ltd. Loudspeaker using contour field hard magnet poles and yoke construction
US20170265006A1 (en) * 2014-12-07 2017-09-14 Cardas Audio Ltd. Loudspeaker using Contour Field Hard Magnet Poles and Yoke Construction

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TWM384484U (en) 2010-07-11
CN201440718U (en) 2010-04-21

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