KR20080078315A - Camera module for selecting filters - Google Patents

Camera module for selecting filters Download PDF

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Publication number
KR20080078315A
KR20080078315A KR1020070018254A KR20070018254A KR20080078315A KR 20080078315 A KR20080078315 A KR 20080078315A KR 1020070018254 A KR1020070018254 A KR 1020070018254A KR 20070018254 A KR20070018254 A KR 20070018254A KR 20080078315 A KR20080078315 A KR 20080078315A
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KR
South Korea
Prior art keywords
filter
camera module
module
handle
light
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KR1020070018254A
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Korean (ko)
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이강욱
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(주)케이나인
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Priority to KR1020070018254A priority Critical patent/KR20080078315A/en
Publication of KR20080078315A publication Critical patent/KR20080078315A/en

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/208—Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
    • G03B17/14—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Optics & Photonics (AREA)
  • Studio Devices (AREA)
  • Blocking Light For Cameras (AREA)

Abstract

A camera module for selecting a filter is provided to slide a filter module to a left or right side by pushing a handle of the filter module for exposing one of two infrared transmitting and blocking filters to a light transmitting hole selectively. A filter module(20) has an upper cover(10) and a lower holder(30). The upper cover has a light transmitting hole(12) formed with a rectangular plate shape, and a long groove(10a) for exposing a handle part(26a). The lower holder includes a light transmitting hole(32) for transmitting light to a camera module body(40), a square box shaped case(34) for mounting the camera module body, and a long groove(30a) for exposing the handle part. The filter module has infrared transmitting and blocking filters(24,22) respectively. The infrared blocking filter is mounted in a left mounted space of a filter frame(26). The infrared transmitting filter is mounted in a right mounted space of the filter frame. A camera module body(50) has a lens holder, a body tube, and a PCB substrate with an image sensor.

Description

필터를 선택할 수 있도록 된 카메라 모듈 { CAMERA MODULE FOR SELECTING FILTERS }Camera module allows filter selection {CAMERA MODULE FOR SELECTING FILTERS}

도 1은 본 발명에 따라 사용자가 필터를 선택할 수 있도록 된 카메라 모듈을 도시한 분리 사시도,1 is an exploded perspective view illustrating a camera module that allows a user to select a filter according to the present invention;

도 2는 도 1에 도시된 조립이 완료된 카메라 모듈을 저면에서 본 사시도,FIG. 2 is a perspective view of the assembled camera module shown in FIG. 1 viewed from the bottom; FIG.

도 3은 도 1에 도시된 조립이 완료된 카메라 모듈을 상면에서 본 사시도,3 is a perspective view of the assembled camera module shown in FIG.

도 4는 본 발명에 따른 카메라 모듈의 필터 선택 개념도.4 is a conceptual diagram of filter selection of a camera module according to the present invention;

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

10: 상측 커버 12,32: 투광홀10: upper cover 12, 32: floodlight hole

20: 필터모듈 22: IR 투과필터20: filter module 22: IR transmission filter

24: IR 차단필터 26: 필터 프레임24: IR cutoff filter 26: Filter frame

26a: 손잡이 30: 하측 홀더26a: handle 30: lower holder

40: 렌즈부 50: 카메라 모듈 본체40: lens unit 50: camera module body

52: 이미지 센서 52: image sensor

본 발명은 카메라 모듈에 관한 것으로, 더욱 상세하게는 사용자가 필요에 따라 적외선 차단필터나 적외선 투과필터를 선택할 수 있도록 된 카메라 모듈에 관한 것이다.The present invention relates to a camera module, and more particularly, to a camera module that allows a user to select an infrared cut filter or an infrared transmission filter as needed.

최근들어, 셀룰러폰이나 PDA, PMP 등과 같이 휴대용 전자제품들이 널리 보급되고 그 서비스 내용도 점차 멀티미디어화되면서 이미지를 간편하게 촬상할 수 있는 카메라 모듈의 수요가 급격히 증가하고 있다.In recent years, as portable electronic products such as cellular phones, PDAs, and PMPs are widely used and their contents are increasingly multimedia, the demand for camera modules that can easily capture images is rapidly increasing.

한편, 일반 카메라의 경우 사진을 찍을 때 일반적으로 볼 수 있는 사진이 아닌, 빛이 갈라지는 듯 한 특수한 효과나 독특한 색감, 또는 왜곡된 이미지 등과 같이 다양한 효과를 지닌 사진은 대부분은 렌즈 앞 부분에 필터라는 악세서리를 부착하여 촬영한다. 이러한 일반 카메라용 필터는 반지와 흡사한 동그란 원형의 링 안에 효과를 나타내주는 렌즈가 장착된 것으로, 렌즈 앞 부분에 달린 나사산에 끼워 넣어 다양한 효과를 얻을 수 있다.On the other hand, in the case of a general camera, most of the pictures having various effects such as a special effect such as light splitting, a unique color, or a distorted image are not generally seen when taking a picture. Shoot with the accessory attached. Such a camera filter is equipped with a lens that shows the effect in a circular ring similar to a ring, and can be inserted into a thread attached to the front of the lens to obtain various effects.

따라서 카메라 모듈에서도 사용자가 필요에 따라 필터를 바꿔 끼울 수 있으면 좋은데, 통상 카메라 모듈은 작고 핸드폰 등과 같은 다른 전자제품에 고정 실장되기 때문에 일반 카메라와 같이 필터를 교체하기 어려운 문제점이 있다.Therefore, the camera module is good if the user can replace the filter as needed, since the camera module is usually small and fixed to other electronic products such as mobile phones, there is a problem that it is difficult to replace the filter like a normal camera.

본 발명은 상기와 같은 문제점을 해결하기 위해 제안된 것으로, 본 발명의 목적은 복수의 필터 중에서 사용자가 필요에 따라 원하는 필터를 쉽게 선택할 수 있도록 된 카메라 모듈을 제공하는 것이다.The present invention has been proposed to solve the above problems, and an object of the present invention is to provide a camera module that allows a user to easily select a desired filter from a plurality of filters.

상기와 같은 목적을 달성하기 위하여 본 발명은, 제1 필터와 제2 필터가 프레임의 동일 평면상에 실장되어 있고 상기 프레임을 좌우로 이동하기 위한 손잡이가 형성된 필터모듈; 투광홀이 형성된 상측 커버와 투광홀이 형성된 하측 홀더 사이 내부에 상기 필터모듈를 수용하되 상기 필터모듈의 손잡이가 노출되어 상기 손잡이를 밀고 당기면 상기 필터모듈가 내부에서 슬라이딩될 수 있도록 된 필터 하우징; 및 상기 필터 하우징의 하측 홀더에 부착된 카메라 모듈 본체를 포함하여 구성되어 상기 손잡이를 좌우로 밀어 상기 제1 필터나 제2 필터 중 어느 하나를 통과한 빛이 상기 카메라 모듈 본체로 수광되도록 된 것을 특징으로 한다.In order to achieve the above object, the present invention, the first filter and the second filter is mounted on the same plane of the frame and the filter module having a handle for moving the frame from side to side; A filter housing accommodating the filter module between an upper cover formed with a light emitting hole and a lower holder formed with a light emitting hole, the handle of the filter module being exposed to push and pull the handle so that the filter module can slide inside; And a camera module main body attached to a lower holder of the filter housing so that the light passing through any one of the first filter and the second filter is received by the camera module main body by pushing the handle left and right. It is done.

상기 필터 하우징의 상측 커버는 직사각형 판 모양으로 중앙부분에 외부로부터 광을 받아들이기 위한 투광홀이 형성되어 있고, 일측면에는 상기 필터모듈의 손잡이가 노출되도록 긴 홈이 형성된 것이고, 상기 필터 하우징의 하측 홀더는 직사각형 판의 중앙부분에 상기 카메라 모듈로 빛을 보내기 위한 투광홀이 형성되어 있고, 일측면에는 상기 필터모듈의 손잡이가 노출되도록 긴 홈이 형성되어 있으며, 상기 투광홀의 바깥쪽으로는 상기 카메라 모듈 본체를 실장하기 위한 사각통 모양 의 케이스가 형성되어 있는 것이다.The upper cover of the filter housing has a rectangular plate shape and has a light-transmitting hole formed in the center to receive light from the outside. A long groove is formed at one side thereof to expose the handle of the filter module, and the lower side of the filter housing. The holder is formed with a light transmitting hole for transmitting light to the camera module in the center portion of the rectangular plate, one side is formed with a long groove so that the handle of the filter module is exposed, the outside of the light emitting hole to the camera module The case has a rectangular cylindrical shape for mounting the main body.

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 자세히 설명하기로 한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

먼저, 본 발명은 다양한 종류의 필터에 적용될 수 있으나 본 발명의 실시예에서는 가장 널리 사용되는 적외선(IR) 투과필터와 적외선(IR) 차단필터를 예로 들어 설명하기로 한다.First, the present invention can be applied to various types of filters, but the embodiments of the present invention will be described with reference to the most widely used infrared (IR) transmission filter and infrared (IR) blocking filter.

도 1은 본 발명에 따라 사용자가 필터를 선택할 수 있도록 된 카메라 모듈을 도시한 분리 사시도이고, 도 2는 도 1에 도시된 조립이 완료된 카메라 모듈을 저면에서 본 사시도이며, 도 3은 도 1에 도시된 조립이 완료된 카메라 모듈을 상면에서 본 사시도이다.1 is an exploded perspective view illustrating a camera module that allows a user to select a filter according to the present invention, FIG. 2 is a perspective view of the assembled camera module shown in FIG. 1 from the bottom, and FIG. It is a perspective view from the top of the assembled camera module shown.

본 발명에 따른 카메라 모듈은 도 1 내지 도 3에 도시된 바와 같이, 프레Camera module according to the invention is shown in Figures 1 to 3,

임(26)에 적외선 투과필터(24)와 적외선 차단필터(22)가 동일 평면에 실장되고 프레임(26)에 손잡이(26a)가 돌출 형성된 필터모듈(20)과, 필터모듈(20)을 내부에 수용하고 손잡이(26a)를 밀고 당기면 필터모듈(20)이 내부에서 슬라이딩될 수 있도록 되어 있으며, 일측에 카메라 모듈 본체(40&50)를 수용할 수 있도록 된 필터 하우징(10&30), 렌즈(40), 렌즈(40)를 수용하기 위한 경통과 이미지센서로 이루어져 상기 렌즈를 수용함과 아울러 상기 필터 하우징의 케이스(34)에 수용되는 카메라 모듈 본체(50)로 구성된다.The filter module 20 and the filter module 20 in which the infrared ray transmitting filter 24 and the infrared ray blocking filter 22 are mounted on the same plane and the handle 26a protrudes from the frame 26 are formed inside the frame 26. When accommodated in and push the handle (26a) and pull the filter module 20 is to be able to slide in the inside, the filter housing (10 & 30), the lens 40, which can accommodate the camera module body (40 & 50) on one side It is composed of a camera module main body 50 which is composed of a barrel and an image sensor for accommodating the lens 40 and accommodating the lens and accommodated in the case 34 of the filter housing.

도 1 내지 도 3을 참조하면, 필터모듈(20)은 상측 커버(10)와 하측 홀더(30) 로 이루어지는데, 상측 커버(10)는 직사각형 판 모양으로 중앙부분에 외부로부터 광을 받아들이기 위한 투광홀(12)이 형성되어 있고, 일측면에 필터모듈의 손잡이부(26a)가 노출되도록 긴 홈(10a)이 형성되어 있다. 하측 홀더(30)는 직사각형 판의 중앙부분에 카메라 모듈 본체(40)로 빛을 보내기 위한 투광홀(32)이 형성되어 있고, 투광홀(32)의 바깥쪽으로는 카메라 모듈 본체(40)를 실장하기 위한 사각통 모양의 케이스(34)가 형성되어 있으며 일측면에 필터모듈(20)의 손잡이부(26a)가 노출되도록 긴 홈(30a)이 형성되어 있다.1 to 3, the filter module 20 includes an upper cover 10 and a lower holder 30. The upper cover 10 has a rectangular plate shape for receiving light from the outside in the center. The light-transmitting hole 12 is formed, and the long groove 10a is formed in one side so that the handle part 26a of the filter module may be exposed. The lower holder 30 has a light transmitting hole 32 for transmitting light to the camera module main body 40 at the center of the rectangular plate, and the camera module main body 40 is mounted to the outside of the light transmitting hole 32. A case 34 having a rectangular cylindrical shape is formed thereon, and a long groove 30a is formed at one side thereof so that the handle part 26a of the filter module 20 is exposed.

필터모듈(20)은 2개의 실장 홀을 갖는 직사각형의 프레임에 적외선 투과필터(24)와 적외선 차단필터(22)가 각각 장착되어 있고, 필터 하우징의 상측 커버의 홈(10a)과 하측 홀더의 홈(30a)에 의해 형성된 슬릿 공간에 프레임의 중앙 측면에 돌출된 손잡이(26a)가 돌출되도록 필터 하우징의 내부에 결합된다. 따라서 필터 하우징에 실장된 필터모듈(20)은 손잡이(26a)를 좌우측으로 이동하면 이에 따라 좌우측으로 슬라이딩되어 2개의 필터 중 어느 한 필터만이 필터 하우징에 형성된 투광홀을 통해 노출되도록 되어 있다. 예컨대, 필터 프레임(26)의 좌측 실장 공간에 적외선 차단필터(22)를 실장하고, 우측 실장 공간에 적외선 통과필터(24)를 실장한 경우, 손잡이(26a)를 좌측으로 밀면 좌측의 적외선 차단필터(22)가 가려지고 우측의 적외선 통과필터(24)가 투광홀(32)에 노출된다. 반대로 손잡이(26a)를 우측으로 밀면 우측의 적외선 통과필터(24)가 가려지고 좌측의 적외선 차단필터(22)가 투광홀(32)에 노출된다. The filter module 20 is equipped with an infrared transmission filter 24 and an infrared cut-off filter 22 in a rectangular frame having two mounting holes, respectively, and the groove 10a of the upper cover of the filter housing and the groove of the lower holder. It is coupled to the inside of the filter housing such that the handle 26a protruding on the central side of the frame protrudes into the slit space formed by 30a. Therefore, the filter module 20 mounted in the filter housing is slid left and right accordingly when the handle 26a is moved left and right so that only one of the two filters is exposed through the light transmitting hole formed in the filter housing. For example, when the infrared cut filter 22 is mounted in the left mounting space of the filter frame 26 and the infrared passing filter 24 is mounted in the right mounting space, the infrared cut filter on the left side is pushed to the left by pushing the knob 26a to the left. (22) is covered and the infrared filter 24 on the right side is exposed to the light transmitting hole (32). On the contrary, when the handle 26a is pushed to the right side, the infrared ray passing filter 24 on the right side is covered and the infrared ray blocking filter 22 on the left side is exposed to the light transmitting hole 32.

렌즈(40)는 통상의 카메라 모듈에 사용되는 렌즈이고, 카메라 모듈 본체(40) 의 렌즈 홀더에 실장된다. 카메라 모듈 본체(50)는 렌즈홀더와 경통, 이미지센서가 실장된 PCB기판 등으로 이루어지며, 필터 하우징의 하측 홀더 중앙에 돌출 형성된 케이스(34)에 실장된다.The lens 40 is a lens used for a normal camera module, and is mounted on the lens holder of the camera module main body 40. The camera module main body 50 is formed of a lens holder, a barrel, a PCB board on which an image sensor is mounted, and the like, and is mounted on a case 34 protruding from the center of the lower holder of the filter housing.

이어서, 이와 같이 구성된 본 발명에 따른 카메라 모듈의 사용절차를 설명하면 다음과 같다.Next, the procedure of using the camera module according to the present invention configured as described above is as follows.

도 4는 본 발명에 따른 카메라 모듈의 필터 선택 개념도이다. 본 발명에 따른 카메라 모듈은 조립이 완성되면 도 2 및 도 3에 도시된 바와 같이, 필터 하우징(10&30)의 내부에 필터모듈(20)이 실장되어 필터 하우징의 슬릿 홈 사이로 손잡이(26a)가 돌출되어 있다. 그리고 필터 하우징의 케이스(34) 안에는 렌즈를 포함한 카메라 모듈 본체(40&50)가 실장되어 있다.4 is a conceptual diagram illustrating filter selection of a camera module according to the present invention. When the assembly of the camera module according to the present invention is completed, as shown in FIGS. 2 and 3, the filter module 20 is mounted inside the filter housings 10 & 30 so that the handle 26a protrudes between the slit grooves of the filter housing. It is. In the case 34 of the filter housing, a camera module body 40 & 50 including a lens is mounted.

이와 같이 조립 완성된 카메라 모듈을 제품에 실장하여 사용할 경우에 사용자는 도 4에 도시된 바와 같이, 필요에 따라 적외선 차단필터(22)나 적외선 투과필터(24) 중 어느 하나를 선택하여 사용할 수 있다. When the assembled camera module is mounted and used in a product as described above, a user may select and use either the infrared cut filter 22 or the infrared transmissive filter 24 as necessary, as shown in FIG. 4. .

도 4를 참조하면, 필터모듈의 손잡이(26a)를 우측으로 밀면 필터모듈의 적외선 차단 필터(22)가 양 투광홀(12,32) 사이에 위치하여 카메라 모듈 본체(40&50)로 가는 적외선을 차단한다. 반대로 필터모듈의 손잡이(26a)를 좌측으로 밀면 필터모듈의 적외선 차단 필터(22)는 가려지고 적외선 투과필터(24)가 양 투광홀(12,32) 사이에 위치하여 카메라 모듈 본체(40&50)로 가는 적외선을 통과시킨다.Referring to FIG. 4, when the knob 26a of the filter module is pushed to the right, the infrared cut filter 22 of the filter module is positioned between both floodlight holes 12 and 32 to block infrared rays toward the camera module body 40 & 50. do. On the contrary, when the knob 26a of the filter module is pushed to the left side, the infrared cut filter 22 of the filter module is covered and the infrared transmission filter 24 is positioned between both the light transmitting holes 12 and 32 to the camera module body 40 & 50. Pass the thin infrared rays.

이와 같이 본 발명의 바람직한 실시예에 따르면 2개의 필터를 필터모듈에 실 장한 후 손잡이를 밀어 슬라이딩방식으로 어느 한 필터를 선택할 수 있다.As described above, according to the preferred embodiment of the present invention, two filters may be mounted on the filter module, and then one filter may be selected by sliding the handle.

이상에서 본 발명을 구체적인 실시예를 통하여 상세히 설명하였으나, 본 발명은 상술한 실시예에 한정되지 않고 기술적 사상이 허용되는 범위 내에서 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에 의하여 다양하게 변경되어 실시될 수 있다.Although the present invention has been described in detail through specific embodiments, the present invention is not limited to the above-described embodiments, and various changes may be made by those skilled in the art to which the present invention pertains without departing from the spirit and scope of the present invention. It may be changed and implemented.

이상에서 설명한 바와 같이, 본 발명에 따르면 필터 하우징에 실장된 필터모듈의 손잡이를 좌,우측으로 밀면 이에 따라 필터모듈이 좌우측으로 슬라이딩되어 2개의 필터 중 어느 한 필터만이 필터 하우징에 형성된 투광홀로 노출된다. 따라서 본 발명에 따르면 핸드폰과 같이 소형 제품에 실장되는 카메라 모듈에서도 일반 카메라에서와 같이 사용자가 원하는 필터를 선택하여 사용할 수 있다.As described above, according to the present invention, when the handle of the filter module mounted on the filter housing is pushed to the left and right, the filter module is slid left and right, so that only one of the two filters is exposed to the light emitting hole formed in the filter housing. do. Therefore, according to the present invention, even in a camera module mounted on a small product such as a mobile phone, the user can select and use a desired filter as in a general camera.

Claims (4)

제1 필터와 제2 필터가 프레임의 동일 평면상에 실장되어 있고 상기 프레임을 좌우로 이동하기 위한 손잡이가 형성된 필터모듈;A filter module in which a first filter and a second filter are mounted on the same plane of the frame and having a handle for moving the frame from side to side; 투광홀이 형성된 상측 커버와 투광홀이 형성된 하측 홀더 사이 내부에 상기 필터모듈를 수용하되 상기 필터모듈의 손잡이가 노출되어 상기 손잡이를 밀고 당기면 상기 필터모듈가 내부에서 슬라이딩될 수 있도록 된 필터 하우징; 및A filter housing accommodating the filter module between an upper cover formed with a light emitting hole and a lower holder formed with a light emitting hole, the handle of the filter module being exposed to push and pull the handle so that the filter module can slide inside; And 상기 필터 하우징의 하측 홀더에 부착된 카메라 모듈 본체를 포함하여 구성되어It is configured to include a camera module body attached to the lower holder of the filter housing 상기 손잡이를 좌우로 밀어 상기 제1 필터나 제2 필터 중 어느 하나를 통과한 빛이 상기 카메라 모듈 본체로 수광되도록 된 것을 특징으로 하는 필터를 선택할 수 있도록 된 카메라 모듈.The camera module to select a filter, characterized in that by pushing the handle to the left and right, the light passing through either the first filter or the second filter is received by the camera module body. 제1항에 있어서, 상기 필터 하우징의 상측 커버는The filter of claim 1, wherein the upper cover of the filter housing is 직사각형 판 모양으로 중앙부분에 외부로부터 광을 받아들이기 위한 투광홀이 형성되어 있고, 일측면에는 상기 필터모듈의 손잡이가 노출되도록 긴 홈이 형성된 것을 특징으로 하는 필터를 선택할 수 있도록 된 카메라 모듈.The camera module has a rectangular plate shape is formed in the center of the light-transmitting hole for receiving light from the outside, one side is formed with a long groove so that the handle of the filter module is exposed. 제1항에 있어서, 상기 필터 하우징의 하측 홀더는The method of claim 1, wherein the lower holder of the filter housing 직사각형 판의 중앙부분에 상기 카메라 모듈로 빛을 보내기 위한 투광홀이 형성되어 있고, 일측면에는 상기 필터모듈의 손잡이가 노출되도록 긴 홈이 형성되어 있으며, 상기 투광홀의 바깥쪽으로는 상기 카메라 모듈 본체를 실장하기 위한 사각통 모양의 케이스가 형성되어 있는 것을 특징으로 하는 필터를 선택할 수 있도록 된 카메라 모듈.A light transmitting hole is formed at a central portion of the rectangular plate to send light to the camera module. A long groove is formed at one side of the rectangular plate to expose the handle of the filter module. Camera module that can select the filter, characterized in that the case is formed in a rectangular cylindrical shape for mounting. 제1항에 있어서, 상기 제1 필터는 적외선 차단필터이고, 상기 제2 필터는 적외선 통과필터인 것을 특징으로 하는 필터를 선택할 수 있도록 된 카메라 모듈.The camera module of claim 1, wherein the first filter is an infrared cut filter, and the second filter is an infrared pass filter.
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