JP2007001334A - On-vehicle camera - Google Patents

On-vehicle camera Download PDF

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Publication number
JP2007001334A
JP2007001334A JP2005180526A JP2005180526A JP2007001334A JP 2007001334 A JP2007001334 A JP 2007001334A JP 2005180526 A JP2005180526 A JP 2005180526A JP 2005180526 A JP2005180526 A JP 2005180526A JP 2007001334 A JP2007001334 A JP 2007001334A
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Prior art keywords
connector
camera
vehicle
case
connector housing
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JP2005180526A
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Japanese (ja)
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JP4245170B2 (en
Inventor
Jiro Fukui
二郎 福井
Masatoshi Koike
正敏 小池
Yusuke Inoue
裕介 井上
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Sumitomo Wiring Systems Ltd
SMK Corp
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
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Sumitomo Wiring Systems Ltd
SMK Corp
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
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Priority to JP2005180526A priority Critical patent/JP4245170B2/en
Publication of JP2007001334A publication Critical patent/JP2007001334A/en
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Publication of JP4245170B2 publication Critical patent/JP4245170B2/en
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  • Connector Housings Or Holding Contact Members (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide an on-vehicle camera capable of attempting reduction of cost. <P>SOLUTION: This on-vehicle camera 1 is furnished with a circuit substrate 3, camera cases 7, 9 to store and arrange the circuit substrate 3 and a connector part 11 provided on outer surfaces of the camera cases 7, 9 (hereby, the rear side case 9), and the connector part 11 is furnished with a connector housing 11a integrally formed on the outer surface of the camera case and a connector terminal provided through in an outer wall of the camera cases 7, 9 by devising it to be stored in the connector housing 11a and electrically connected to the circuit substrate 3 (drawing omitted). <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、車両に搭載される車載カメラに関する。   The present invention relates to an in-vehicle camera mounted on a vehicle.

従来の車載カメラでは、以下の様にして車両側からのハーネス（車両側ハーネス）と配線接続している。即ち、車載カメラのカメラケースに貫通穴を設け、その貫通穴を通してカメラケースの内部から外部にハーネスを引き出し、その引き出したハーネス（カメラ側ハーネス）の端部と車両側ハーネスの端部とをコネクタを介して接続することで、車両側ハーネスと配線接続している。尚、カメラケースの貫通穴とカメラ側ハーネスとの間には、防水対策として防水用Ｏリングが設けられている。   In a conventional vehicle-mounted camera, wiring connection is made with a harness from the vehicle side (vehicle-side harness) as follows. That is, a through hole is provided in a camera case of an in-vehicle camera, a harness is pulled out from the inside of the camera case through the through hole, and the end of the pulled out harness (camera side harness) and the end of the vehicle side harness are connected to each other. By connecting through the vehicle, the vehicle side harness is wired. A waterproof O-ring is provided between the through hole of the camera case and the camera side harness as a waterproof measure.

一般に、カメラ側ハーネスの車内固定位置や車両側ハーネスの長さは車種に応じて異なるので、従来の車載カメラでは、カメラ側ハーネスの長さを車種に応じて変える必要があった。そのため、車載カメラを、車種に応じてカメラ側ハーネスの長さを変えて製造する必要があり、これが車載カメラの種類の増加を招きコスト高の原因となっていた。   In general, the in-vehicle fixing position of the camera-side harness and the length of the vehicle-side harness vary depending on the vehicle type. Therefore, in the conventional in-vehicle camera, it is necessary to change the length of the camera-side harness according to the vehicle type. Therefore, it is necessary to manufacture the vehicle-mounted camera by changing the length of the camera-side harness according to the vehicle type, which causes an increase in the types of vehicle-mounted cameras and causes a high cost.

また、従来の車載カメラでは、カメラケースの貫通穴とカメラ側ハーネスとの間に防水対策として防水用Ｏリングを設ける必要があるので、その分コスト高となっていた。   Moreover, in the conventional vehicle-mounted camera, it is necessary to provide a waterproof O-ring as a waterproof measure between the through hole of the camera case and the camera-side harness, which increases the cost accordingly.

そこで、この発明の課題は、コストの低減を図れる車載カメラを提供することにある。   Therefore, an object of the present invention is to provide an in-vehicle camera that can reduce the cost.

上記課題を解決する為に、請求項１に記載の発明は、回路基板と、前記回路基板を収容配設するカメラケースと、前記カメラケースの外表面に設けられた外部接続用のコネクタ部とを備え、前記コネクタ部は、前記カメラケースの外表面に一体形成されたコネクタハウジングと、前記コネクタハウジング内に収容される様にして前記カメラケースの外壁に貫設され、前記回路基板と電気接続されたコネクタ端子と、前記コネクタ端子と前記コネクタハウジングとの間に充填された封止剤と、を備えるものである。   In order to solve the above-mentioned problems, the invention described in claim 1 is directed to a circuit board, a camera case that houses and arranges the circuit board, and a connector portion for external connection provided on an outer surface of the camera case. The connector part is integrally formed on the outer surface of the camera case; and is inserted into the outer wall of the camera case so as to be accommodated in the connector housing, and is electrically connected to the circuit board. And a sealing agent filled between the connector terminal and the connector housing.

請求項２に記載の発明は、前記封止剤は、前記コネクタ端子が前記コネクタハウジングに貫設された後に充填されるものである。   According to a second aspect of the present invention, the sealing agent is filled after the connector terminal is penetrated through the connector housing.

請求項３に記載の発明は、前記封止剤としてアクリル変成シリコーン樹脂を用いるものである。   The invention according to claim 3 uses an acrylic modified silicone resin as the sealant.

請求項４に記載の発明は、前記アクリル変成シリコーン樹脂として、低分子シロキサンの含有量が３００ｐｐｍ以下のアクリル変成シリコーン樹脂を用いるものである。   The invention according to claim 4 uses an acrylic modified silicone resin having a low molecular siloxane content of 300 ppm or less as the acrylic modified silicone resin.

請求項１に記載の発明によれば、カメラケースの外表面に、カメラケース内の回路基板と電気接続された外部接続用のコネクタ部を設けることにより、カメラ側ハーネスを省略しているので、車載カメラを、車種に応じてカメラ側ハーネスの長さを変えて製造する必要が無くなりコストの低減を図れる。   According to the first aspect of the present invention, the camera-side harness is omitted by providing an external connection connector portion electrically connected to the circuit board in the camera case on the outer surface of the camera case. It is not necessary to manufacture the in-vehicle camera by changing the length of the camera-side harness according to the vehicle type, and the cost can be reduced.

また、コネクタハウジングに貫通穴を設けないので、その貫通穴に配設すべき防水用Ｏリングを不要にでき、これによってもコストを低減できる。   Further, since no through hole is provided in the connector housing, a waterproof O-ring to be disposed in the through hole can be dispensed with, thereby reducing the cost.

また、コネクタ端子とコネクタハウジングとの間に封止剤が充填されるので、その封止剤によりコネクタ端子とコネクタハウジングとの間の防水対策を図れる。   Moreover, since the sealing agent is filled between the connector terminal and the connector housing, a waterproof measure between the connector terminal and the connector housing can be achieved by the sealing agent.

請求項２に記載の発明によれば、封止剤は、コネクタ端子がコネクタハウジングに貫設された後に充填されるので、コネクタ端子が多極になってもコストを抑える事ができる。   According to the second aspect of the present invention, since the sealing agent is filled after the connector terminal is penetrated through the connector housing, the cost can be suppressed even if the connector terminal is multipolar.

請求項３に記載の発明によれば、コネクタ端子とコネクタハウジングとの間に充填される封止剤としてアクリル変成シリコーン樹脂を充填するので、コネクタ端子の表面の変質等接触抵抗の増大を招くこと無く、ポッティング材とコネクタ端子およびコネクタハウジングとの密着性および耐衝撃性を向上できる。   According to the third aspect of the present invention, since the acrylic modified silicone resin is filled as the sealant filled between the connector terminal and the connector housing, contact resistance such as alteration of the surface of the connector terminal is increased. In addition, the adhesion between the potting material, the connector terminal and the connector housing and the impact resistance can be improved.

この車載カメラ１は、図１の様に、撮像素子３ａを搭載した回路基板３と、撮像素子３ａの前側に配置される撮像レンズ５と、撮像レンズ５を保持しつつ回路基板３を収容配設する前側ケース７および後側ケース９と、例えば後側ケース９の外表面に設けられた外部接続用のコネクタ部１１とを備える。   As shown in FIG. 1, the in-vehicle camera 1 accommodates and distributes the circuit board 3 on which the image pickup device 3 a is mounted, the image pickup lens 5 disposed on the front side of the image pickup device 3 a, and the image pickup lens 5. A front case 7 and a rear case 9 to be provided, and a connector portion 11 for external connection provided on the outer surface of the rear case 9 are provided.

ここでは、前側ケース７および後側ケース９によりカメラケースが構成されている。またここでは、コネクタ部１１は、後側ケース９に設けられているが、カメラケース（７，９）の外表面であればどこに設けられてもよい。   Here, the front case 7 and the rear case 9 constitute a camera case. Here, the connector portion 11 is provided on the rear case 9, but may be provided anywhere as long as it is the outer surface of the camera case (7, 9).

前側ケース７は、後面開放の箱状に形成され、その前面には円筒状のホルダ部７ａが前側ケース７の内部に連通する様に設けられている。前側ケース７の内部に回路基板３が例えばネジ１３で収容固定され、ホルダ部７ａに撮像レンズ５が保持される。   The front case 7 is formed in a box shape with an open rear surface, and a cylindrical holder portion 7 a is provided on the front surface thereof so as to communicate with the inside of the front case 7. The circuit board 3 is accommodated and fixed in the front case 7 with, for example, screws 13, and the imaging lens 5 is held by the holder portion 7 a.

後側ケース９は、図１〜図７の様に、前面開放の箱状に形成され、その前面周縁には鍔部９ａが設けられると共に、その外周側面には車両への固定のための固定部９ｂが設けられる。また、後側ケース９内の奥面には凹部９ｃが形成されており、後述の様にその凹部９ｃの底部にコネクタ部１１のコネクタ端子１１ｂが貫設される。この後側ケース９は、図１の様に、その開放前面がシール材１４を介して前側ケース７の開放後面に突き合わされ、その状態で、その鍔部９ａに設けられた孔９ｄにネジ１５が通されそのネジ１５により前側ケース７に固定される。   1 to 7, the rear case 9 is formed in a box shape with an open front, and a flange portion 9 a is provided on the front periphery of the front case 9, and the outer peripheral side surface is fixed for fixing to the vehicle. A portion 9b is provided. Further, a recess 9c is formed in the inner surface of the rear case 9, and a connector terminal 11b of the connector portion 11 is provided through the bottom of the recess 9c as will be described later. As shown in FIG. 1, the open front surface of the rear case 9 is abutted against the open rear surface of the front case 7 through a seal member 14, and in this state, a screw 15 is inserted into a hole 9d provided in the flange portion 9a. And is fixed to the front case 7 by the screw 15.

コネクタ部１１は、図１〜図７の様に、例えば雌型コネクタとして構成されており、後側ケース９の後面において後方に突出する様に後側ケース９と一体形成された筒状のコネクタハウジング１１ａと、コネクタハウジング１１ａ内に収容される様にして後側ケース９の後壁（コネクタハウジング１１ａの筒底）Ｂに例えばインサート形成または圧入により貫設されたコネクタ端子１１ｂとを備える。   The connector portion 11 is configured as a female connector, for example, as shown in FIGS. 1 to 7, and is a cylindrical connector integrally formed with the rear case 9 so as to protrude rearward on the rear surface of the rear case 9. A housing 11a and a connector terminal 11b penetrating through the rear wall (cylinder bottom of the connector housing 11a) B of the rear case 9 by, for example, insert formation or press fitting so as to be accommodated in the connector housing 11a.

コネクタハウジング１１ａの筒底（後側ケース９の後壁）Ｂには凹部１１ｃが形成されており、後述の様にその凹部１１ｃの底部にコネクタ端子１１ｂが貫設される。このコネクタハウジング１１ａの外周側面には、相手側コネクタ１００（図１）側の係止部（図示省略）と係合する突起部１１ｄが突形成されると共に、コネクタハウジング１１ａの筒軸方向に沿って相手側コネクタ１００の嵌合案内用のリブ部１１ｅが突条形成されている。   A concave portion 11c is formed in the tube bottom (rear wall of the rear case 9) B of the connector housing 11a, and a connector terminal 11b is provided through the bottom of the concave portion 11c as will be described later. On the outer peripheral side surface of the connector housing 11a, a protruding portion 11d that engages with a locking portion (not shown) on the mating connector 100 (FIG. 1) is projected and formed along the cylinder axis direction of the connector housing 11a. The rib portion 11e for fitting guidance of the mating connector 100 is formed with a protrusion.

コネクタ端子１１ｂは、図２の様に、棒状に形成され、その一端１１ｆ側がコネクタハウジング１１ａ内の凹部１１ｃの底部から突出すると共にその他端１１ｇ側が後側ケース９内の凹部９ｃの底部から突出する様に、後側ケース９の後壁に貫設される。そして、この貫設状態で（即ちコネクタ端子１１ｂがコネクタハウジング１１ａに貫設された後に）、コネクタハウジング１１ａ内の凹部１１ｃおよび後側ケース９内の凹部９ｃ内にポッティング材（例えばアクリル変成シリコーン樹脂（より詳細には例えば低分子シロキサンの含有量が３００ｐｐｍ以下のアクリル変成シリコーン樹脂））（封止剤）が充填される。尚、このコネクタ端子１１ｂの他端１１ｇは、回路基板３に電気接続される。尚、ポッティング材はコネクタハウジング１１ａ内の凹部１１ｃおよび後側ケース９内の凹部９ｃの両方に充填してもよく、または後側ケース内の凹部９ｃだけに充填してもよい。   The connector terminal 11b is formed in a rod shape as shown in FIG. 2, and one end 11f side thereof protrudes from the bottom of the recess 11c in the connector housing 11a, and the other end 11g side protrudes from the bottom of the recess 9c in the rear case 9. Similarly, the rear case 9 is provided through the rear wall. Then, in this penetrating state (that is, after the connector terminal 11b is penetrating into the connector housing 11a), a potting material (for example, acrylic modified silicone resin) is inserted into the concave portion 11c in the connector housing 11a and the concave portion 9c in the rear case 9. (More specifically, for example, an acrylic modified silicone resin having a low molecular siloxane content of 300 ppm or less)) (sealing agent) is filled. The other end 11g of the connector terminal 11b is electrically connected to the circuit board 3. The potting material may be filled in both the recess 11c in the connector housing 11a and the recess 9c in the rear case 9, or only the recess 9c in the rear case.

この様に構成された車載カメラ１では、図１を参照して、そのコネクタ部１１（ここでは雌型コネクタ）を車両側ハーネス１０１の設けられた相手側コネクタ（ここでは雄型コネクタ）１００内に挿入すると、コネクタ部１１のリブ部１１ｅが相手側コネクタ１００の凹条部１００ａに沿って嵌合案内され、奥まで嵌合案内された状態で、コネクタ部１１のコネクタ端子１１ｂと相手側コネクタ１００のコネクタ端子（図示省略）とが互いに接触して電気接続すると共にコネクタ部１１の突起部１１ｄと相手側コネクタ１００の係止部（図示省略）とが係合して両コネクタ１１，１００間の抜け防止が図られる。この様にして車載カメラ１のコネクタ部１１と相手側コネクタ１００とが嵌合接続される。そして、このコネクタ接続により車両側と車載カメラ１との間の電源供給および各種信号通信が行われる。   In the vehicle-mounted camera 1 configured as described above, referring to FIG. 1, the connector portion 11 (here, a female connector) is placed in a mating connector (here, a male connector) 100 provided with a vehicle-side harness 101. When the connector 11 is inserted into the connector portion 11, the rib portion 11 e of the connector portion 11 is fitted and guided along the recessed portion 100 a of the mating connector 100, and is fitted and guided to the back. 100 connector terminals (not shown) are in contact with each other and are electrically connected, and the protrusion 11d of the connector 11 and the engaging portion (not shown) of the mating connector 100 are engaged to connect the connectors 11 and 100 to each other. Is prevented from coming off. In this way, the connector part 11 of the in-vehicle camera 1 and the mating connector 100 are fitted and connected. And by this connector connection, the power supply and various signal communication between the vehicle side and the vehicle-mounted camera 1 are performed.

以上の様に構成された車載カメラ１によれば、カメラケース（７，９：ここでは後側ケース９）の外表面に、カメラケース（７，９）内の回路基板３と電気接続された外部接続用のコネクタ部１１を設けることにより、カメラ側ハーネスを省略しているので、車載カメラ１を、車種に応じてカメラ側ハーネスの長さを変えて製造する必要が無くなりコストの低減を図れる。   According to the vehicle-mounted camera 1 configured as described above, the circuit board 3 in the camera case (7, 9) is electrically connected to the outer surface of the camera case (7, 9: here the rear case 9). Since the camera-side harness is omitted by providing the connector portion 11 for external connection, it is not necessary to manufacture the in-vehicle camera 1 by changing the length of the camera-side harness according to the vehicle type, and the cost can be reduced. .

また、コネクタハウジング１１ａに貫通穴を設けないので、その貫通穴に配設すべき防水用Ｏリングを不要にでき、これによってもコストを低減できる。   Further, since the connector housing 11a is not provided with a through hole, a waterproof O-ring to be disposed in the through hole can be dispensed with, thereby reducing the cost.

また、コネクタ端子１１ｂとコネクタハウジング１１ａとの間にポッティング材（封止剤）が充填されるので、そのポッティング材によりコネクタ端子１１ｂとコネクタハウジング１１ａとの間の防水対策を図れる。   Further, since the potting material (sealing agent) is filled between the connector terminal 11b and the connector housing 11a, the potting material can take measures against waterproofing between the connector terminal 11b and the connector housing 11a.

また、ポッティング材（封止剤）は、コネクタ端子１１ｂがコネクタハウジング１１ａに貫設された後に充填されるので、コネクタ端子１１ｂが多極になってもコストを抑える事ができる。   Further, since the potting material (sealing agent) is filled after the connector terminal 11b is penetrated through the connector housing 11a, the cost can be reduced even if the connector terminal 11b has multiple electrodes.

また、コネクタ端子１１ｂとコネクタハウジング１１ａとの間に充填されるポッティング材（封止剤）としてアクリル変成シリコーン樹脂を用いるので、コネクタ端子１１ｂの表面の変質等接触抵抗の増大を招くこと無く、ポッティング材とコネクタ端子１１ｂおよびコネクタハウジング１１ａおよび後側ケース９との密着性および耐衝撃性を向上できる。   Further, since acrylic modified silicone resin is used as a potting material (sealing agent) filled between the connector terminal 11b and the connector housing 11a, potting can be performed without causing an increase in contact resistance such as a change in the surface of the connector terminal 11b. Adhesion and impact resistance between the material and the connector terminal 11b, the connector housing 11a and the rear case 9 can be improved.

本発明の実施の形態に係る車載カメラの概略分解斜視図である。It is a general | schematic disassembled perspective view of the vehicle-mounted camera which concerns on embodiment of this invention. 図１のII-II断面図（横断面図）である。It is II-II sectional drawing (transverse sectional view) of FIG. 図１の矢示III方向（後面側）から見た詳細図である。It is the detailed view seen from the arrow III direction (rear surface side) of FIG. 図１の矢示IV方向（前面側）から見た詳細図である。It is the detailed view seen from the arrow IV direction (front side) of FIG. 図１の矢示V方向（下面側）から見た詳細図である。It is the detailed view seen from the arrow V direction (lower surface side) of FIG. 図１の矢示VI方向（側面側）から見た詳細図である。It is the detailed view seen from the arrow VI direction (side surface side) of FIG. 図１の矢示VII方向（上面側）から見た詳細図である。It is the detailed view seen from the arrow VII direction (upper surface side) of FIG.

符号の説明Explanation of symbols

１ 車載カメラ
３ａ 撮像素子
３ 回路基板
５ 撮像レンズ
７ 前側ケース
７ａ ホルダ部
９ 後側ケース
９ａ 鍔部
９ｂ 固定部
９ｃ 凹部
１１ コネクタ部
１１ａ コネクタハウジング
１１ｂ コネクタ端子
１１ｃ 凹部
１１ｄ 突起部
１１ｅ リブ部
１１ｆ コネクタ端子の一端
１１ｇ コネクタ端子の他端
１３ ネジ
１４ シール材
１５ ネジ DESCRIPTION OF SYMBOLS 1 Car-mounted camera 3a Image pick-up element 3 Circuit board 5 Imaging lens 7 Front side case 7a Holder part 9 Rear side case 9a Eaves part 9b Fixing part 9c Recessed part 11 Connector part 11a Connector housing 11b Connector terminal 11c Recessed part 11d Protruding part 11e Rib part 11f Connector terminal One end of 11g Connector terminal other end 13 Screw 14 Sealing material 15 Screw

Claims (4)

回路基板と、前記回路基板を収容配設するカメラケースと、前記カメラケースの外表面に設けられた外部接続用のコネクタ部とを備え、
前記コネクタ部は、
前記カメラケースの外表面に一体形成されたコネクタハウジングと、
前記コネクタハウジング内に収容される様にして前記カメラケースの外壁に貫設され、前記回路基板と電気接続されたコネクタ端子と、
前記コネクタ端子と前記コネクタハウジングとの間に充填された封止剤と、
を備えることを特徴とする車載カメラ。 A circuit board, a camera case for housing and arranging the circuit board, and a connector portion for external connection provided on an outer surface of the camera case,
The connector part is
A connector housing integrally formed on the outer surface of the camera case;
A connector terminal penetrating in the outer wall of the camera case so as to be accommodated in the connector housing, and electrically connected to the circuit board;
A sealant filled between the connector terminal and the connector housing;
A vehicle-mounted camera comprising: 前記封止剤は、前記コネクタ端子が前記コネクタハウジングに貫設された後に充填されることを特徴とする請求項１に記載の車載カメラ。   The in-vehicle camera according to claim 1, wherein the sealant is filled after the connector terminal is penetrated through the connector housing. 前記封止剤としてアクリル変成シリコーン樹脂を用いることを特徴とする請求項１または請求項２に記載の車載カメラ。   The in-vehicle camera according to claim 1, wherein an acrylic modified silicone resin is used as the sealant. 前記アクリル変成シリコーン樹脂として、低分子シロキサンの含有量が３００ｐｐｍ以下のアクリル変成シリコーン樹脂を用いることを特徴とする請求項３に記載の車載カメラ。   The in-vehicle camera according to claim 3, wherein an acrylic modified silicone resin having a low molecular siloxane content of 300 ppm or less is used as the acrylic modified silicone resin.
JP2005180526A 2005-06-21 2005-06-21 Car camera Expired - Fee Related JP4245170B2 (en)

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KR20140028766A (en) * 2012-08-30 2014-03-10 현대모비스 주식회사 Rear camera apparatus
WO2019021717A1 (en) 2017-07-28 2019-01-31 イリソ電子工業株式会社 Electronic component
WO2019230344A1 (en) * 2018-05-28 2019-12-05 イリソ電子工業株式会社 Imaging device
US11196903B2 (en) 2016-02-05 2021-12-07 Iriso Electronics Co., Ltd. Parts for imaging apparatus, and imaging apparatus

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* Cited by examiner, † Cited by third party
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KR20140028766A (en) * 2012-08-30 2014-03-10 현대모비스 주식회사 Rear camera apparatus
KR102020625B1 (en) * 2012-08-30 2019-09-10 현대모비스 주식회사 Rear camera apparatus
US11196903B2 (en) 2016-02-05 2021-12-07 Iriso Electronics Co., Ltd. Parts for imaging apparatus, and imaging apparatus
US11678038B2 (en) 2016-02-05 2023-06-13 Iriso Electronics Co., Ltd. Parts for imaging apparatus and imaging apparatus
WO2019021717A1 (en) 2017-07-28 2019-01-31 イリソ電子工業株式会社 Electronic component
US11025007B2 (en) 2017-07-28 2021-06-01 Iriso Electronics Co., Ltd. Electronic component
WO2019230344A1 (en) * 2018-05-28 2019-12-05 イリソ電子工業株式会社 Imaging device
JP2019207747A (en) * 2018-05-28 2019-12-05 イリソ電子工業株式会社 Imaging apparatus
JP7312531B2 (en) 2018-05-28 2023-07-21 イリソ電子工業株式会社 Connection structure between imaging device and movable connector and external connection case

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