KR20010086529A - Device for blocking the electromagnetic wave and grounding a LCD of mobile phone - Google Patents

Device for blocking the electromagnetic wave and grounding a LCD of mobile phone Download PDF

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Publication number
KR20010086529A
KR20010086529A KR1020000010455A KR20000010455A KR20010086529A KR 20010086529 A KR20010086529 A KR 20010086529A KR 1020000010455 A KR1020000010455 A KR 1020000010455A KR 20000010455 A KR20000010455 A KR 20000010455A KR 20010086529 A KR20010086529 A KR 20010086529A
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South Korea
Prior art keywords
lcd
board
electromagnetic wave
reinforcing member
mobile phone
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KR1020000010455A
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Korean (ko)
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이병곤
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송문섭
주식회사 현대큐리텔
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Priority to KR1020000010455A priority Critical patent/KR20010086529A/en
Publication of KR20010086529A publication Critical patent/KR20010086529A/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073—Shielding materials
    • H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

PURPOSE: An LCD reinforcing and electromagnetic wave blocking apparatus for a folder-type cellular phone is provided to protect a user and various circuit components mounted in a front case by mounting a reinforcing member in the front case and blocking an electromagnetic wave. CONSTITUTION: An LCD window(110) is penetrated in a bottom of a lower body, and an accepting portion(10) is concavely formed at a side of the LCD window(110). An illuminant board(120) and an LCD board(130) are accumulated in a flange portion of the LCD window(110). An LCD substrate(160) contacted with the LCD board(130) for absorbing an electromagnetic wave is installed in the flange portion of the accepting portion(10). A reinforcing member(120) is combined with a rear surface portion of the illuminant board(120) and the LCD substrate(160) by a bolt(B2). The reinforcing member(20) covers the illuminant board(120), the LCD board(130), and the LCD substrate(160) to protect the illuminant board(120), the LCD board(130), and the LCD substrate(160) and blocks that the electromagnetic wave is generated by the illuminant board(120), the LCD board(130), and the LCD substrate(160) is transmitted to a caller. The reinforcing member(20) is formed as a metal material, and a plurality of coupling holes are penetrated in a housing of the reinforcing member(20).

Description

폴더형휴대폰의 엘시디 보강 및 전자파 차단 장치 {Device for blocking the electromagnetic wave and grounding a LCD of mobile phone}Device reinforcement and electromagnetic wave blocking device of clamshell mobile phone {Device for blocking the electromagnetic wave and grounding a LCD of mobile phone}

본 발명은 폴더형휴대폰의 커버를 이루어 상하방향으로 개폐되는 프론트케이스에 관한 것으로, 특히 프론트케이스에 실장되는 회로부품의 강도를 보강하게 될 뿐만 아니라 전자파를 차단시킬 수 있도록 된 폴더형휴대폰의 엘시디 보강 및 전자파 차단 장치에 관한 것이다.The present invention relates to a front case that opens and closes in a vertical direction by forming a cover of a clamshell mobile phone, and in particular, not only reinforces the strength of circuit components mounted on the front case, but also reinforces an LCD of a clamshell mobile phone that can block electromagnetic waves. And an electromagnetic wave shielding device.

일반적으로, 폴더형휴대폰은 메인회로기판과 배터리 및 키버튼 등의 부품들이 실장되는 리어케이스에, 엘시디창 등의 부품들이 실장되는 프론트케이스가 회동가능하게 결합되는데, 이 프론트케이스의 회동작용은 휴대폰자체의 부피를 최소화시키게 됨은 물론 온/오프작용을 수행하게 된다.In general, a clamshell mobile phone is coupled to a rear case in which components such as a main circuit board and a battery and a key button are mounted, and a front case in which components such as an LCD window are mounted in a rotatable manner. Minimizing its own volume as well as on / off action.

그리고, 폴더형휴대폰의 프론트케이스는 상부몸체와 하부몸체가 상호 결합되어 한 몸체를 이루되, 상/하부몸체의 사이공간에 보호커버를 통해 판형상의 엘시디가 장착됨과 더불어 플라스틱 재질의 보강부재를 통해 엘시디의 회로기판이 보호되는 구조로 되어 있다.In addition, the front case of the clamshell mobile phone is combined with the upper body and the lower body to form a body, the plate-shaped LCD is mounted in the space between the upper / lower body through a protective cover and through a plastic reinforcement member The circuit board of LCD is protected.

즉, 폴더형휴대폰은, 도 1에서와 같이, 프론트케이스(100)의 전방측에 엘시디창(110)이 형성되되, 엘시디창(110)의 둘레면에 발광판(120)과 엘시디판(130)가 수용된 보호커버(140)가 장착되며, 보호커버(140)의 후방측에 플라스틱재질의 보강부재(150)를 통해 엘시디기판(160)이 장착되어 있다.That is, the clamshell mobile phone, as shown in Figure 1, the LCD window 110 is formed on the front side of the front case 100, the light emitting plate 120 and the LCD plate 130 on the peripheral surface of the LCD window 110 The protective cover 140 is accommodated is accommodated, the LCD substrate 160 is mounted on the rear side of the protective cover 140 through the plastic member 150 of the plastic material.

그런데, 폴더형휴대폰의 프론트케이스(100)가 박형화됨에 따라 휴대폰에서 발생되는 전자파가 통화자에게 직접 전달되어 해를 끼치게 될 뿐만 아니라 프론트케이(100)를 개방하였을 때 안테나의 감도가 떨어져 통화음을 제대로 전달받지 못하는 불편함이 있었다.However, as the front case 100 of the clamshell cell phone is thinned, electromagnetic waves generated from the cell phone are directly transmitted to the caller, which causes harm, and when the front case 100 is opened, the sensitivity of the antenna is reduced so that the sound of the call is properly made. There was a discomfort that was not received.

그리고, 폴더형휴대폰의 발광판(120)과 엘시디판(130)을 수용하는 보호커버(140)는 플라스틱재질로 얇게 성형된 함체이므로, 휴대폰을 사용하는 과정에서 얼굴에 밀착되는 경우 또는 외부에서 압력이 가해지는 경우에 손쉽게 파손될 우려가 있는 문제점이 있었다.In addition, since the protective cover 140 for accommodating the light emitting plate 120 and the LCD panel 130 of the clamshell mobile phone is a thin molded enclosure made of plastic material, when the cell phone is pressed against the face or pressure from the outside There was a problem that there is a risk of being easily broken when it is applied.

이에, 본 발명은 상기한 바와 같은 문제점을 해결하기 위하여 안출된 것으로서, 프론트케이스에 실장되는 각종 전장기구를 보강하게 될 뿐만 아니라 전자파를 차단시킬 수 있도록 된 폴더형휴대폰의 엘시디 보강 및 전자파 차단 장치를 제공하는 데에 그 목적이 있다.Accordingly, the present invention has been made in order to solve the above problems, it is not only to reinforce the various electric appliances mounted on the front case, but also to the electromagnetic reinforcement and electromagnetic wave blocking device of the clamshell mobile phone that can block the electromagnetic waves The purpose is to provide.

도 1은 종래 기술에 따른 폴더형휴대폰의 프론트커버를 도시한 분해사시도,1 is an exploded perspective view showing a front cover of a folding cell phone according to the prior art,

도 2는 본 발명에 따른 폴더형휴대폰의 프론트커버를 도시한 분해사시도,2 is an exploded perspective view showing a front cover of a clamshell phone according to the present invention;

도 3(a),(b)는 본 발명에 따른 폴더형휴대폰의 보강부재와 엘시디회로기판을 도시한 확대도이다.Figure 3 (a), (b) is an enlarged view showing the reinforcing member and the LCD circuit board of the clamshell mobile phone according to the present invention.

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

110 : 엘시디창 130 : 엘시디판110: LCD window 130: LCD panel

160 : 엘시디기판 10 : 수용부160: LCD substrate 10: receiving unit

20 : 보강부재20: reinforcing member

이하, 본 발명에 따른 일실시예를 첨부된 예시도면을 참고로하여 상세하게 설명하면 다음과 같다.Hereinafter, an embodiment according to the present invention will be described in detail with reference to the accompanying drawings.

도 2는 본 발명에 따른 폴더형휴대폰의 프론트커버를 도시한 분해사시도이며, 도 3(a),(b)는 본 발명에 따른 폴더형휴대폰의 보강부재와 엘시디회로기판을 도시한 확대도로서, 프론트케이스(100)를 이루는 하부몸체의 바닥면에 엘시디창(110)이 관통됨과 더불어 엘시디창(110)의 측부에 수용부(10)가 오목하게 형성되되, 엘시디창(110)의 플랜지부에 발광판(120)과 엘시디판(130)이 적층되며, 수용부(10)의 플랜지부에 엘시디판(130)과 접촉되어 전자파를 흡수하여주는 엘시디기판(160)이 장착되고, 발광판(120)과 엘시디기판(160)의 후면부에 금속재질의 보강부재(20)가 보울트(B2)결합되어 있다.Figure 2 is an exploded perspective view showing a front cover of the clamshell phone according to the present invention, Figure 3 (a), (b) is an enlarged view showing the reinforcing member and the LCD circuit board of the clamshell phone according to the present invention. In addition, the LCD window 110 is penetrated to the bottom surface of the lower body constituting the front case 100 and the receiving portion 10 is formed to be concave on the side of the LCD window 110, the flange portion of the LCD window 110 The light emitting plate 120 and the LCD plate 130 are stacked on the LCD plate, and the LCD substrate 160 for absorbing electromagnetic waves by contacting the LCD plate 130 with the flange portion of the receiving portion 10 is mounted. The reinforcing member 20 made of metal is coupled to the rear surface of the 120 and the LCD substrate 160 with the bolt B2.

먼저, 본 발명에 따른 폴더형휴대폰의 구성요소 중 하부몸체내에 장착되는 발광판(120)과 엘시디판(130)과 엘시디기판(160)은, 종래기술의 구성요소와 기능상 상호 동일하면서 약간의 형상이 변경된 것에만 그 차이점이 있으므로, 여기서는 자세한 설명을 생략하기로 한다.First, among the components of the clamshell mobile phone according to the present invention, the light emitting plate 120, the LCD plate 130, and the LCD substrate 160, which are mounted in the lower body, are the same as the components of the prior art and have a slight shape. The only difference between these changes is that detailed descriptions will be omitted here.

여기서, 프론트케이스(100)는, 발광판(120)과 엘시디판(130)과 엘시디기판(160)이 실장되는 것으로서 종래 기술과 기능상 상호 동일하지만, 그 바닥면 즉, 엘시디창(110)의 상부측에 소정크기의 수용부(10)가 오목하게 형성된 것에만 그 차이점이 있음을 첨언한다.Here, the front case 100, the light emitting plate 120, the LCD panel 130 and the LCD substrate 160 is mounted on the same as the prior art and functional, but the bottom surface, that is, the upper portion of the LCD window 110 It is noted that there is a difference only in that the receiving portion 10 having a predetermined size is formed in a concave side.

또한, 폴더형휴대폰의 프론트케이스(100)에는, 엘시디창(110)의 일측플랜지부에 제1체결공(도시되지 않음)이 형성되고, 수용부(10)의 바닥면에 제2체결공(11)이 형성되며, 제2체결공(11)과 엘시디창(110)의 경계를 이루는 플랜지부에 제3체결공(30)이 형성되어 있다.In addition, a first fastening hole (not shown) is formed in one side flange portion of the LCD window 110 in the front case 100 of the clamshell mobile phone, and a second fastening hole ( 11) is formed, and the third fastening hole 30 is formed in the flange forming the boundary between the second fastening hole 11 and the LCD window 110.

그리고, 엘시디판(130)은, 엘시디창(110)으로 끼워져 사용자의 시각에 인지되는 액정판으로서, 일측부에 이후에 설명하게 되는 엘시디기판(160)과 면접촉되는 결합부(40)가 돌출되게 형성됨은 물론 결합부(40)에 한 개이상의 체결공(50)이 관통형성되어 있다.In addition, the LCD panel 130 is a liquid crystal plate inserted into the LCD window 110 and perceived by the user's vision, and the coupling portion 40 which is in surface contact with the LCD substrate 160, which will be described later, is protruded on one side thereof. Of course, one or more fastening holes 50 are formed through the coupling part 40.

그리고, 보강부재(20)는, 발광판(120)과 엘시디판(130)과 엘시디기판(160)을 외부에서 감싸 보호함은 물론 이들에서 발생되어지는 전자파가 통화자에게 전달되는 것을 차단하여주는 차단부재로서, 금속재질로 성형됨은 물론 그 하우징에 다수개의 체결공이 나란하게 관통되어 있다.The reinforcing member 20 wraps and protects the light emitting plate 120, the LCD plate 130, and the LCD substrate 160 from the outside, and blocks electromagnetic waves generated from them from being transmitted to the caller. As the blocking member, a plurality of fastening holes penetrate side by side in the housing as well as molded in a metal material.

또한, 보강부재(20)의 전방측에 엘시디창(110)의 제1체결공과 대응하는 위치에 전방체결공(21)이 형성되며, 후방측에 제2체결공(11)과 제3체결공(30)으로 대응하는 위치에 후방체결공(22,23)이 형성되고, 양측부에 엘시디창(110)의 플랜지부로 끼워지는 격벽(24)이 일체로 형성되어 있다.In addition, the front fastening hole 21 is formed in a position corresponding to the first fastening hole of the LCD window 110 on the front side of the reinforcing member 20, the second fastening hole 11 and the third fastening hole on the rear side Back fastening holes 22 and 23 are formed in the position corresponding to 30, and the partition 24 which fits into the flange part of the LCD window 110 is integrally formed in the both sides.

그리고, 엘시디기판(160)은, 엘시디판(130)으로 전기적신호를 공급하여주는 통상적인 회로기판으로서, 일측부에 후방체결공(23)과 대응하는 위치에 접지돌기(70)가 형성됨과 더불어 타측에 수용부(10)로 보울트(B1)체결되는 보울트공(75)이 형성되어 있다.In addition, the LCD substrate 160 is a conventional circuit board for supplying an electrical signal to the LCD substrate 130. The ground protrusion 70 is formed at a position corresponding to the rear fastening hole 23 at one side thereof. The bolt hole 75 is fastened to the bolt B1 by the receiving portion 10 on the other side.

물론, 엘시디기판(160)의 몸체에 엘시디판(130)의 체결공(50)과 대응하는 위치에 또다른 체결공(60)이 형성되어 있다.Of course, another fastening hole 60 is formed at a position corresponding to the fastening hole 50 of the LCD board 130 in the body of the LCD substrate 160.

이하, 본 발명에 따른 작용을 첨부된 예시도면을 참고로하여 상세하게 설명하면 다음과 같다.Hereinafter, described in detail with reference to the accompanying drawings illustrating the operation according to the present invention.

먼저, 프론트케이스(100)의 바닥을 이루는 수용부(10)에 엘시디기판(160)을 보울트(B1)로 체결하여 고정시킨 다음, 엘시디창(110)의 플랜지부에 엘시디판(120)과 발광판(120)을 연속적으로 삽입한다.First, the LCD substrate 160 is fastened to the receiving portion 10 forming the bottom of the front case 100 with the bolt B1, and then fixed to the flange portion of the LCD window 110. The plate 120 is inserted continuously.

이어서, 엘시디판(130)의 체결공(50)과 엘시디기판(160)의 체결공(60)을 상호 일치되게하여 유동을 제한시키게 되면, 엘시디판(130)과 엘시디기판(160)의 연결작업이 완료된다.Subsequently, when the fastening holes 50 of the LCD board 130 and the fastening holes 60 of the LCD board 160 are matched with each other to limit the flow, the connection work of the LCD board 130 and the LCD board 160 is performed. Is complete.

그런 다음, 발광판(120)과 엘시디기판(160)의 후방측에 보강부재(20)를 맞대고 보강부재(20)의 후방체결공(23)에 접지단자(B2)를 끼워 접지돌기(70)를 경유하여 제3체결공(30)으로 체결하면, 접지작업이 완료된다.Then, the reinforcing member 20 abuts on the rear side of the light emitting plate 120 and the LCD substrate 160 and the ground protrusion 70 is inserted into the rear fastening hole 23 of the reinforcing member 20. When fastened to the third fastening hole 30 via, the grounding is completed.

이렇게 하면, 보강부재(20)가 접지돌기(70)이 엘시디기판(160)으로 접지되므로써, 폴더형휴대폰에 실장된 전자부품의 전자파가 외부로 발산되지 않고 엘시디기판(160)에서 흡수되는 것이다.In this case, the reinforcing member 20 is grounded to the LCD substrate 160 by the ground protrusion 70, so that electromagnetic waves of the electronic components mounted on the clamshell mobile phone are absorbed by the LCD substrate 160 without being emitted to the outside.

이상에서 설명한 바와 같이 본 발명에 따른 폴더형휴대폰의 엘시디 보강 및 전자파 차단 장치에 의하면, 폴더형휴대폰의 프론트케이스내에 금속재질로 성형된 보강부재가 실장되므로써, 보강부재에 의해 회로부품에서 발생된 전자파가 차단되어 사용자를 보호하게 될 뿐만 아니라 보강부재에 의해 프론트케이스내에 실장된 각종 회로부품들이 보호되어 사용과정에서 발생되는 손상이 최소화되는 효과가 있는 것이다.As described above, according to the LCD reinforcement and electromagnetic wave shielding device of the clamshell mobile phone according to the present invention, electromagnetic wave generated in a circuit component by the reinforcement member is mounted in the front case of the clamshell phone. Is not only to protect the user is blocked, but also to protect the various circuit components mounted in the front case by the reinforcing member is to minimize the damage caused in the use process.

그리고, 프론트케이스에 장착되는 보강부재의 두께가 비교적 두꺼운 플라스틱재질에서 두께가 비교적 얇은 금속재질로 변경되므로써, 프론트케이스의 강도가 증대되어 회로부품의 보호효율이 향상됨은 물론 프론트케이스가 박막화되어 휴대폰의 부피가 최소화되는 효과가 있는 것이다.In addition, since the thickness of the reinforcing member mounted on the front case is changed from a relatively thick plastic material to a relatively thin metal material, the strength of the front case is increased to improve the protection efficiency of the circuit components, and the front case is thinned, The effect is to minimize the volume.

Claims (1)

폴더형휴대폰의 커버를 이루는 프론트케이스(100)의 내부공간에 실장되는 전자부품들을 외부충격으로부터 보호함과 더불어 전자부품에서 발생되는 전자파를 차단하여주는 장치를 구성함에 있어서,In constructing a device that protects electronic components mounted in the inner space of the front case 100 forming the cover of the clamshell mobile phone from external shocks and blocks electromagnetic waves generated from the electronic components, 프론트케이스(100)를 이루는 하부몸체의 바닥면에 엘시디창(110)이 관통형성됨과 더불어 엘시디창(110)의 측부에 수용부(10)가 오목하게 형성되되, 엘시디창(110)의 플랜지부에 발광판(120)과 엘시디판(130)이 적층되며, 수용부(10)의 플랜지부에 엘시디판(130)과 접촉되어 전자파를 흡수하여주는 엘시디기판(160)이 장착되고, 발광판(120)과 엘시디기판(160)의 후면부에 금속재질의 보강부재(20)가 보울팅된 구조로 이루어진 것을 특징으로 하는 폴더형휴대폰의 엘시디 보강 및 전자파 차단 장치.The LCD window 110 penetrates the bottom surface of the lower body constituting the front case 100, and the receiving portion 10 is concave on the side of the LCD window 110, and the flange portion of the LCD window 110 is formed. The light emitting plate 120 and the LCD plate 130 are stacked on the LCD plate, and the LCD substrate 160 for absorbing electromagnetic waves by contacting the LCD plate 130 with the flange portion of the receiving portion 10 is mounted. 120) and the LCD reinforcement and electromagnetic wave shielding device of the clamshell mobile phone, characterized in that the structure of the metal reinforcing member 20 is bowled on the rear portion of the LCD substrate (160).
KR1020000010455A 2000-03-02 2000-03-02 Device for blocking the electromagnetic wave and grounding a LCD of mobile phone KR20010086529A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100394151B1 (en) * 2001-04-25 2003-08-09 주성숙 Conductive cushion for the liquid crystal displayer of movable wireless telecommunication terminal
KR100686161B1 (en) * 2005-01-22 2007-02-23 엘지전자 주식회사 Metal frame for mobile phone

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100394151B1 (en) * 2001-04-25 2003-08-09 주성숙 Conductive cushion for the liquid crystal displayer of movable wireless telecommunication terminal
KR100686161B1 (en) * 2005-01-22 2007-02-23 엘지전자 주식회사 Metal frame for mobile phone

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