JP2007194708A - Camera and electronic equipment - Google Patents

Camera and electronic equipment Download PDF

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JP2007194708A
JP2007194708A JP2006008605A JP2006008605A JP2007194708A JP 2007194708 A JP2007194708 A JP 2007194708A JP 2006008605 A JP2006008605 A JP 2006008605A JP 2006008605 A JP2006008605 A JP 2006008605A JP 2007194708 A JP2007194708 A JP 2007194708A
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microphone
opening
holding
camera
contact
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JP2006008605A
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JP4735277B2 (en
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Tomotaka Nishimura
知貴 西村
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Nikon Corp
株式会社ニコン
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a camera that can prevent sounds produced inside a body from being delivered to a microphone, and to provide electronic equipment. <P>SOLUTION: An opening 122 of a microphone rubber 120 is provided with a tapered face 124, whereby the inner diameter of the opening 122 is greater toward a front cover 200. A bottomed cylindrical microphone rubber press contact part 210 projected backwardly is provided to an inner face of a front cover 200. When the front cover 200 is fitted to a body 100, a bottom 212 of the microphone rubber press contact part 210 enters inside of the opening 122 of the microphone rubber 120, and a curved part 214 is pressed into contact with the tapered face 124 to press the tapered face 124. The microphone rubber press contact part 210 is abutted against the entire circumference of the inner circumferential face of the opening 122. Since the sounds, produced inside a camera 1 such as operation sound of a lens drive mechanism 102, are shut off by the microphone rubber 120 and the microphone rubber press contact part 210, the sound will not reach a sound collecting face 111 of a microphone 110. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、マイクを備えたカメラおよび電子機器に関する。   The present invention relates to a camera and an electronic device provided with a microphone.
マイクを保持したマイクホルダを電子機器の筐体に当接させて取り付けている電子機器が知られている(特許文献1参照)。   There is known an electronic device in which a microphone holder that holds a microphone is attached in contact with a housing of the electronic device (see Patent Document 1).
特開平10−285259号公報Japanese Patent Laid-Open No. 10-285259
しかし、従来の電子機器では、筐体の曲面部分にマイクおよびマイクホルダが配設されると、マイクホルダと筐体との当接部分に隙間ができることがある。そのため、筐体の内部で発生した音がこの隙間からマイクに伝わって集音されてしまう。   However, in a conventional electronic device, if a microphone and a microphone holder are disposed on the curved surface portion of the housing, a gap may be formed at a contact portion between the microphone holder and the housing. Therefore, the sound generated inside the casing is transmitted to the microphone through this gap and collected.
(1) 請求項1の発明によるカメラは、撮像光学系と、撮像光学系の駆動機構と、マイクと、弾性素材から成り、マイクの集音面前面に開口部を有し、マイクを保持するマイク保持部材と、ボディの内面に設けられて、開口部の内周面側に当接する成形部とを備えることを特徴とする。
(2) 請求項2の発明は、請求項1に記載のカメラにおいて、成形部は、開口部の内周面側の全周にわたって当接することを特徴とする。
(3) 請求項3の発明は、請求項1に記載のカメラにおいて、マイクを保持したマイク保持部材を成形部に向かって押圧する押圧手段をさらに備えることを特徴とする。
(4) 請求項4の発明は、請求項1に記載のカメラにおいて、マイク保持部材は、ボディ側に向かって開口部の径が大きくなるように形成された保持部材側当接部を有し、保持部材側当接部で成形部と当接することを特徴とする。
(5) 請求項5の発明は、請求項1に記載のカメラにおいて、成形部は、マイク保持部材側に向かって外径が小さくなるように形成されたボディ側当接部を有し、ボディ側当接部でマイク保持部材と当接することを特徴とする。
(6) 請求項6の発明は、請求項1に記載のカメラにおいて、マイク保持部材は、成形部と当接した際に開口部近傍の変形が促進されるように形成された変形促進部を有することを特徴とする。
(7) 請求項7の発明による電子機器は、マイクと、弾性素材から成り、マイクの集音面前面に開口部を有し、マイクを保持するマイク保持部材と、ボディの内面に設けられて、開口部の内周面側に当接する成形部とを備えることを特徴とする。
(8) 請求項8の発明は、請求項7に記載の電子機器において、成形部は、開口部の内周面側の全周にわたって当接することを特徴とする。
(9) 請求項9の発明は、請求項7に記載の電子機器において、マイクを保持したマイク保持部材を成形部に向かって押圧する押圧手段をさらに備えることを特徴とする。
(10) 請求項10の発明は、請求項7に記載の電子機器において、マイク保持部材は、ボディ側に向かって開口部の径が大きくなるように形成された保持部材側当接部を有し、保持部材側当接部で成形部と当接することを特徴とする。
(11) 請求項11の発明は、請求項7に記載の電子機器において、成形部は、マイク保持部材側に向かって外径が小さくなるように形成されたボディ側当接部を有し、ボディ側当接部でマイク保持部材と当接することを特徴とする。
(12) 請求項12の発明は、請求項7に記載の電子機器において、マイク保持部材は、成形部と当接した際に開口部近傍の変形が促進されるように形成された変形促進部を有することを特徴とする。
(1) A camera according to a first aspect of the present invention includes an imaging optical system, a driving mechanism for the imaging optical system, a microphone, and an elastic material. The camera has an opening in front of the sound collection surface of the microphone and holds the microphone. A microphone holding member and a molded portion that is provided on the inner surface of the body and contacts the inner peripheral surface of the opening.
(2) According to a second aspect of the present invention, in the camera according to the first aspect, the molded portion abuts over the entire circumference on the inner peripheral surface side of the opening.
(3) The invention according to claim 3 is the camera according to claim 1, further comprising pressing means for pressing the microphone holding member holding the microphone toward the molding portion.
(4) According to a fourth aspect of the present invention, in the camera according to the first aspect, the microphone holding member has a holding member side abutting portion formed such that the diameter of the opening portion increases toward the body side. The holding member side contact portion is in contact with the molded portion.
(5) According to a fifth aspect of the present invention, in the camera according to the first aspect, the molded part has a body side abutting part formed so that the outer diameter decreases toward the microphone holding member side, The side abutting portion abuts on the microphone holding member.
(6) According to a sixth aspect of the present invention, in the camera according to the first aspect, the microphone holding member includes a deformation promoting portion formed so as to promote deformation near the opening when the microphone holding member comes into contact with the molded portion. It is characterized by having.
(7) An electronic device according to a seventh aspect of the present invention includes a microphone and an elastic material, and has an opening on the front surface of the sound collection surface of the microphone, and is provided on a microphone holding member that holds the microphone and an inner surface of the body. And a molding part that abuts on the inner peripheral surface side of the opening.
(8) According to an eighth aspect of the present invention, in the electronic device according to the seventh aspect, the molded portion abuts over the entire circumference on the inner peripheral surface side of the opening.
(9) The electronic device according to claim 7, further comprising pressing means for pressing the microphone holding member holding the microphone toward the molded portion.
(10) In the electronic device according to claim 7, the microphone holding member has a holding member side abutting portion formed so that the diameter of the opening increases toward the body side. The holding member side contact portion is in contact with the molding portion.
(11) According to an eleventh aspect of the present invention, in the electronic device according to the seventh aspect, the molded part has a body side abutting part formed so that the outer diameter decreases toward the microphone holding member side, The body-side contact portion is in contact with the microphone holding member.
(12) According to a twelfth aspect of the present invention, in the electronic device according to the seventh aspect of the present invention, the microphone holding member is formed so that the deformation in the vicinity of the opening is promoted when coming into contact with the molded portion. It is characterized by having.
本発明によれば、ボディの内部で発生した音がマイクに伝わって集音されてしまうことを防止できる。   According to the present invention, it is possible to prevent sound generated inside the body from being transmitted to the microphone and collected.
図1〜4を参照して、本発明によるカメラおよび電子機器の一実施の形態を説明する。なお、本実施の形態では、前後左右および上下方向を各図に記載したように規定する。図1は、電子機器の一例としてのカメラの前部カバーおよび内部構造を示す図である。カメラ1は、本体部100と、本体部100に取り付けられる前部カバー200とを備えている。なお、カメラ1は、本体部100の後部に取り付けられる後部カバーも備えているが、図1ではその記載を省略している。   With reference to FIGS. 1-4, one Embodiment of the camera and electronic device by this invention is described. In the present embodiment, the front, rear, left, right, and up and down directions are defined as described in each drawing. FIG. 1 is a diagram illustrating a front cover and an internal structure of a camera as an example of an electronic apparatus. The camera 1 includes a main body unit 100 and a front cover 200 attached to the main body unit 100. The camera 1 also includes a rear cover attached to the rear portion of the main body 100, but the description thereof is omitted in FIG.
本体部100には、被写体像を撮像するためのレンズを保持するレンズ鏡筒101と、合焦および焦点距離変更のためにレンズ鏡筒101で保持されたレンズを駆動するレンズ駆動機構102と、カメラ1の各部を制御するための制御基板103とが設けられている。また、本体部100には、被写体像の撮像とともに音を録音するためのマイク110と、マイク110を保持するマイクゴム120とが設けられている。   The main body 100 includes a lens barrel 101 that holds a lens for capturing a subject image, a lens driving mechanism 102 that drives a lens held by the lens barrel 101 for focusing and focal length change, A control board 103 for controlling each part of the camera 1 is provided. In addition, the main body 100 is provided with a microphone 110 for recording a sound together with a subject image and a microphone rubber 120 for holding the microphone 110.
図2は、マイク110およびマイクゴム120の断面図である。マイク110は、略円柱形状のコンデンサマイクである。マイク110は、一方の端面に集音面111が設けられ、他方の端面に音声信号を出力する端子112が設けられている。端子112にはコード113の一端が接続されている。コード113の他端は、制御基板103に接続される。   FIG. 2 is a cross-sectional view of the microphone 110 and the microphone rubber 120. The microphone 110 is a substantially cylindrical capacitor microphone. The microphone 110 is provided with a sound collecting surface 111 on one end face and a terminal 112 for outputting an audio signal on the other end face. One end of a cord 113 is connected to the terminal 112. The other end of the cord 113 is connected to the control board 103.
マイクゴム120は、一端が開口し、他端が閉じられた、略有底円筒形状の部材であり、軸AX1に関して略軸対称である。マイクゴム120はゴム製である。マイクゴム120は、マイク110を保持するマイク保持部121と、マイク保持部121の前方の開口部122と、他端側に設けられたコード引き出し部128とを有する。   The microphone rubber 120 is a substantially bottomed cylindrical member having one end opened and the other end closed, and is substantially axisymmetric with respect to the axis AX1. The microphone rubber 120 is made of rubber. The microphone rubber 120 includes a microphone holding part 121 that holds the microphone 110, an opening 122 in front of the microphone holding part 121, and a cord lead part 128 provided on the other end side.
マイク保持部121は、マイクゴム120の内周面に設けられた溝状の部位であり、略円柱形状のマイク110の外周を保持する。開口部122は、マイク保持部121の前方端面からマイクゴム120の開口端面までの空間である。開口部122は、前後方向に沿って一定の内径を有する円筒内面部123と、円筒内面部123の前方端から前方に向かって内径が増加して円錐形状を呈するテーパ面124とを有する。   The microphone holding portion 121 is a groove-like portion provided on the inner peripheral surface of the microphone rubber 120 and holds the outer periphery of the substantially columnar microphone 110. The opening 122 is a space from the front end face of the microphone holding part 121 to the opening end face of the microphone rubber 120. The opening 122 has a cylindrical inner surface portion 123 having a constant inner diameter along the front-rear direction, and a tapered surface 124 that has a conical shape with an inner diameter increasing from the front end of the cylindrical inner surface portion 123 toward the front.
マイク110は、マイクゴム120の開口部122の方へ集音面111を向けてマイク保持部121で保持される。コード113は、コード引き出し部128からマイクゴム120の外部に引き出されている。   The microphone 110 is held by the microphone holding unit 121 with the sound collection surface 111 facing the opening 122 of the microphone rubber 120. The cord 113 is drawn out of the microphone rubber 120 from the cord drawing portion 128.
マイクゴム120は、本体部100のマイクゴム取り付け部130に取り付けられる。マイクゴム取り付け部130は、本体部100の下部前面で、レンズ鏡筒101の右下近傍に設けられている。マイクゴム120がマイクゴム取り付け部130に取り付けられると、マイク110の集音面111は本体部100の前方に向き、マイクゴム120の軸AX1は本体部100の前後方向と平行となる。   The microphone rubber 120 is attached to the microphone rubber attachment part 130 of the main body part 100. The microphone rubber attaching part 130 is provided in the lower front of the main body part 100 and in the vicinity of the lower right of the lens barrel 101. When the microphone rubber 120 is attached to the microphone rubber attachment portion 130, the sound collection surface 111 of the microphone 110 faces the front of the main body 100, and the axis AX1 of the microphone rubber 120 is parallel to the front-rear direction of the main body 100.
前部カバー200は、絞り加工などによって金属板を加工した部材であり、本体部100の前部に取り付けられてカメラ1のボディ(外装)の一部を構成する。前部カバー200には、レンズ鏡筒用開口201と、マイクゴム当接部210とが設けられている。前部カバー200の外観は、前面下部202の近傍が下方に向かうにしたがって後方に向かって傾斜する曲線形状を呈する。前部カバー200の内面は、外観形状にならい、前面下部202の近傍が下方に向かうにしたがって後方に向かって傾斜する曲線形状を呈する。   The front cover 200 is a member obtained by processing a metal plate by drawing or the like, and is attached to the front portion of the main body 100 to constitute a part of the body (exterior) of the camera 1. The front cover 200 is provided with a lens barrel opening 201 and a microphone rubber contact portion 210. The appearance of the front cover 200 has a curved shape that inclines backward as the vicinity of the front lower portion 202 goes downward. The inner surface of the front cover 200 has a curved shape that inclines toward the rear as the vicinity of the front lower portion 202 moves downward, following the appearance.
レンズ鏡筒用開口201は、レンズ鏡筒101がカメラ1の前方へ伸張可能とするための開口である。前部カバー200が本体部100に取り付けられると前部カバー200の前後方向および上下左右方向は、本体部100の前後方向および上下左右方向と一致する。   The lens barrel opening 201 is an opening that allows the lens barrel 101 to extend forward of the camera 1. When the front cover 200 is attached to the main body portion 100, the front-rear direction and the vertical and horizontal directions of the front cover 200 coincide with the front-rear direction and the vertical and horizontal directions of the main body portion 100.
図3は、マイクゴム当接部210を含む前面下部202の近傍を左側から見たときの断面図である。マイクゴム当接部210は、後方に突出するように前面下部202の内側に設けられた成形部であり、軸AX2を中心軸とする略有底円筒形状を呈する。マイクゴム当接部210は、軸AX2を中心軸とする有底円筒の円筒部分に相当する円筒部211と、円筒部211の後方端に設けられて有底円筒の底部分に相当する底部212とを有する。底部212には底部212を前後方向に貫通する穴213が設けられている。   FIG. 3 is a cross-sectional view of the vicinity of the front lower portion 202 including the microphone rubber contact portion 210 when viewed from the left side. The microphone rubber contact portion 210 is a molding portion provided inside the front lower portion 202 so as to protrude rearward, and has a substantially bottomed cylindrical shape with the axis AX2 as the central axis. The microphone rubber contact portion 210 includes a cylindrical portion 211 corresponding to a cylindrical portion of a bottomed cylinder having an axis AX2 as a central axis, and a bottom portion 212 provided at the rear end of the cylindrical portion 211 and corresponding to the bottom portion of the bottomed cylinder. Have The bottom portion 212 is provided with a hole 213 that penetrates the bottom portion 212 in the front-rear direction.
軸AX2は前部カバー200の前後方向に平行である。したがって、円筒部211は前部カバー200の前後方向に平行に延在する。底部212は、前部カバー200の前後方向と垂直となる。また、前部カバー200を本体部100に取り付けると、軸AX2は軸AX1と一致する。   The axis AX2 is parallel to the front-rear direction of the front cover 200. Therefore, the cylindrical portion 211 extends parallel to the front-rear direction of the front cover 200. The bottom 212 is perpendicular to the front-rear direction of the front cover 200. When the front cover 200 is attached to the main body 100, the axis AX2 coincides with the axis AX1.
図4は、前部カバー200を本体部100に取り付けたときの、マイクゴム当接部210を含む前面下部202の近傍を左側から見たときの断面図である。前部カバー200を本体部100に取り付けると、マイクゴム当接部210の底部212がマイクゴム120の開口部122の内側に入り込み、円筒部211から底部212にかけて湾曲した部分(湾曲部)214がテーパ面124に当接して押圧する。   FIG. 4 is a cross-sectional view of the vicinity of the front lower portion 202 including the microphone rubber contact portion 210 when viewed from the left side when the front cover 200 is attached to the main body portion 100. When the front cover 200 is attached to the main body 100, the bottom 212 of the microphone rubber contact portion 210 enters the inside of the opening 122 of the microphone rubber 120, and a curved portion (curved portion) 214 from the cylindrical portion 211 to the bottom 212 is a tapered surface. Abut against 124 and press.
その結果、テーパ面124は、弾性的に変形して、テーパ面124の円周方向の全周にわたって湾曲部214と密着する。すなわち、マイクゴム当接部210が開口部122の内周面の全周にわたって当接する。集音面111が面した空間は、穴213を介して前部カバー200の外部の空間と連通しているが、前部カバー200の内側であり、かつ、マイクゴム120の外部の空間とは、空間的に絶縁された状態となる。   As a result, the tapered surface 124 is elastically deformed and is in close contact with the curved portion 214 over the entire circumference of the tapered surface 124 in the circumferential direction. That is, the microphone rubber contact portion 210 contacts over the entire circumference of the inner peripheral surface of the opening 122. The space that the sound collection surface 111 faces communicates with the space outside the front cover 200 through the hole 213, but the space inside the front cover 200 and outside the microphone rubber 120 is Spatially insulated.
たとえば、カメラ1で音声とともに動画を撮影する場合、被写体の動きに応じて合焦動作が行われるため、レンズ駆動機構102が作動して作動音が発生する。また、動画の撮影中に撮影者によって焦点距離の変更を指示された場合にも、レンズ駆動機構102が作動して作動音が発生する。レンズ駆動機構102の作動音などのように、カメラ1の内部で発生する音は、マイクゴム120およびマイクゴム当接部210で遮断されるので、マイク110の集音面111に到達しない。なお、カメラ1の外部の音は、穴213を介してマイク110の集音面111に到達し、マイク110によって集音される。これにより、カメラ1の内部で発生する音が録音されるのを防止できるので、録音音声を高音質化できる。   For example, when a moving image is taken together with sound by the camera 1, a focusing operation is performed according to the movement of the subject, so that the lens driving mechanism 102 operates to generate an operating sound. In addition, even when the photographer is instructed to change the focal length while shooting a moving image, the lens driving mechanism 102 operates to generate an operating sound. Sound generated inside the camera 1, such as the operating sound of the lens driving mechanism 102, is blocked by the microphone rubber 120 and the microphone rubber contact portion 210, and thus does not reach the sound collection surface 111 of the microphone 110. Note that the sound outside the camera 1 reaches the sound collection surface 111 of the microphone 110 through the hole 213 and is collected by the microphone 110. Thereby, since the sound generated inside the camera 1 can be prevented from being recorded, the recorded sound can be improved in sound quality.
なお、マイクゴム120は、軸AX1を中心軸とする略有底円筒形状を呈しており、マイクゴム当接部210は、軸AX2を中心軸とする略有底円筒形状を呈している。そのため、マイクゴム120をマイクゴム取り付け部130に対して、軸AX1を中心とする任意の位相で取り付けても、マイクゴム当接部210が開口部122の内周面の全周にわたって当接し、その当接状態が変化することはない。これにより、マイクゴム120をマイクゴム取り付け部130に取り付ける際に、マイクゴム120の軸AX1を中心とする位相を考慮する必要がなくなり、マイクゴム120をマイクゴム取り付け部130に容易に取り付けることができるので、カメラ1の組み立てコストを抑制できる。   Note that the microphone rubber 120 has a substantially bottomed cylindrical shape with the axis AX1 as the central axis, and the microphone rubber contact portion 210 has a substantially bottomed cylindrical shape with the axis AX2 as the central axis. Therefore, even if the microphone rubber 120 is attached to the microphone rubber attachment portion 130 at an arbitrary phase centered on the axis AX1, the microphone rubber contact portion 210 contacts the entire circumference of the inner peripheral surface of the opening 122, and the contact The state never changes. Accordingly, when attaching the microphone rubber 120 to the microphone rubber attachment portion 130, it is not necessary to consider the phase around the axis AX1 of the microphone rubber 120, and the microphone rubber 120 can be easily attached to the microphone rubber attachment portion 130. Assembling costs can be reduced.
上述したカメラ1では、次の作用効果を奏する。
(1) マイクゴム当接部210が開口部122の内周面に当接するように構成した。したがって、前面下部202の近傍の曲面形状の影響を受けることなく、マイクゴム当接部210とマイクゴム120とを当接できるので、レンズ駆動機構102の作動音などのように、カメラ1の内部で発生する音を、マイクゴム120およびマイクゴム当接部210で遮断できる。これにより、カメラ1の内部で発生する音が録音されるのを防止できるので、録音音声を高音質化できる。
The camera 1 described above has the following operational effects.
(1) The microphone rubber contact portion 210 is configured to contact the inner peripheral surface of the opening 122. Therefore, the microphone rubber contact portion 210 and the microphone rubber 120 can be contacted without being affected by the curved surface shape in the vicinity of the front lower portion 202, and thus generated inside the camera 1 such as an operating sound of the lens driving mechanism 102. Can be blocked by the microphone rubber 120 and the microphone rubber contact portion 210. Thereby, since the sound generated inside the camera 1 can be prevented from being recorded, the recorded sound can be improved in sound quality.
(2) マイクゴム当接部210と開口部122の内周面とは、開口部122の内周面の全周にわたって当接するように構成した。これにより、マイクゴム120とマイクゴム当接部210との間に隙間ができないので、確実に録音音声を高音質化できる。 (2) The microphone rubber contact portion 210 and the inner peripheral surface of the opening portion 122 are configured to contact over the entire circumference of the inner peripheral surface of the opening portion 122. Thereby, since there is no gap between the microphone rubber 120 and the microphone rubber contact portion 210, the recorded sound can be reliably improved in sound quality.
(3) 前部カバー200を本体部100に取り付けると、マイクゴム当接部210の湾曲部214がテーパ面124に当接して押圧するように構成した。これにより、前部カバー200を本体部100に取り付けるだけでマイクゴム120とマイクゴム当接部210と当接できるので、カメラ1の組み立てを容易化できる。 (3) When the front cover 200 is attached to the main body portion 100, the curved portion 214 of the microphone rubber contact portion 210 is configured to contact and press against the tapered surface 124. Thereby, since the microphone rubber 120 and the microphone rubber contact portion 210 can be contacted only by attaching the front cover 200 to the main body portion 100, the assembly of the camera 1 can be facilitated.
(4) マイクゴム120の開口部122に、前部カバー200に向かって内径が大きくなるテーパ面124を設けるように構成した。したがって、前部カバー200を本体部100に向かって前方から取り付けるだけで、マイクゴム当接部210が開口部122の内周面の全周にわたって当接する。これにより、マイクゴム120およびマイクゴム当接部210の構造を簡素化できるので、カメラ1の製造コストを低減できる。 (4) The opening 122 of the microphone rubber 120 is configured to be provided with a tapered surface 124 whose inner diameter increases toward the front cover 200. Therefore, only by attaching the front cover 200 toward the main body 100 from the front, the microphone rubber contact portion 210 contacts the entire circumference of the inner peripheral surface of the opening 122. Thereby, since the structure of the microphone rubber 120 and the microphone rubber contact part 210 can be simplified, the manufacturing cost of the camera 1 can be reduced.
−−−変形例−−−
(1) 上述の説明では、マイクゴム120の開口側の一端にテーパ面124を設けている。すなわち、外形が一定である円筒の端面近傍の内面がテーパ状に成形されているが、本発明はこれに限定されない。たとえば、図5に示すように、マイクゴム120の開口側端部に外経の小さい円筒部分(小径円筒部)125を延設し、この小径円筒部125の開口側端面近傍にテーパ面124を設けてもよい。このように、テーパ面124近傍のマイクゴム120の径方向厚さを薄くすることで、マイクゴム当接部210が当接した際に、テーパ面124近傍の弾性変形を促進できる。これにより、マイクゴム120とマイクゴム当接部210との当接部分がより密着するので、カメラ1の内部で発生する音を、当該当接部分で確実に遮断できる。
---- Modified example ---
(1) In the above description, the tapered surface 124 is provided at one end of the microphone rubber 120 on the opening side. That is, the inner surface in the vicinity of the end face of the cylinder having a constant outer shape is formed in a tapered shape, but the present invention is not limited to this. For example, as shown in FIG. 5, a cylindrical portion (small-diameter cylindrical portion) 125 having a small outer diameter extends from the opening-side end portion of the microphone rubber 120, and a tapered surface 124 is provided in the vicinity of the opening-side end surface of the small-diameter cylindrical portion 125. May be. Thus, by reducing the thickness in the radial direction of the microphone rubber 120 in the vicinity of the taper surface 124, elastic deformation in the vicinity of the taper surface 124 can be promoted when the microphone rubber contact portion 210 is in contact. Thereby, since the contact part of the microphone rubber 120 and the microphone rubber contact part 210 comes into close contact, the sound generated inside the camera 1 can be surely blocked by the contact part.
(2) 上述の説明では、前部カバー200側に向かって開口部の径が大きくなるように、マイクゴム120にテーパ面124を設けているが、本発明はこれに限定されない。たとえば、図6に示すように、マイクゴム120側に向かって外径が小さくなるようにマイクゴム当接部210を成形してもよい。すなわち、軸AX2を中心軸として、後方に向かって外径が小さくなる円錐状のテーパ円筒部215と、テーパ円筒部215の後方端に設けられた底部212とを有するようにマイクゴム当接部210を成形してもよい。これにより、テーパ円筒部215の外周面が開口部122の内周面の全周にわたって当接するので、上述の場合と同様の作用効果を奏する。なお、テーパ円筒部215を設けた場合、図6に示すように、上述したテーパ面124をマイクゴム120の開口部122に設けなくてもよい。 (2) In the above description, the tapered surface 124 is provided on the microphone rubber 120 so that the diameter of the opening increases toward the front cover 200 side, but the present invention is not limited to this. For example, as shown in FIG. 6, the microphone rubber contact portion 210 may be formed so that the outer diameter decreases toward the microphone rubber 120 side. That is, with the axis AX2 as the central axis, the microphone rubber contact portion 210 has a conical tapered cylindrical portion 215 whose outer diameter decreases toward the rear, and a bottom portion 212 provided at the rear end of the tapered cylindrical portion 215. May be formed. Thereby, since the outer peripheral surface of the taper cylindrical part 215 is contact | abutted over the perimeter of the inner peripheral surface of the opening part 122, there exists an effect similar to the above-mentioned case. In the case where the tapered cylindrical portion 215 is provided, the tapered surface 124 described above may not be provided in the opening 122 of the microphone rubber 120 as shown in FIG.
(3) 上述の説明では、マイク110はコンデンサマイクであるが、本発明はこれに限らず、ダイナミックマイクなど、他の種類のマイクであってもよい。 (3) In the above description, the microphone 110 is a condenser microphone, but the present invention is not limited to this, and may be another type of microphone such as a dynamic microphone.
(4) 上述の説明では、マイクゴム120の材質は、ゴムであるが、外力によって弾性的に変形する弾性素材であればよく、たとえばゲル状の材質でもよく、軟質プラスチックでもよい。また、スポンジ状の材質であってもよい。 (4) In the above description, the material of the microphone rubber 120 is rubber, but it may be an elastic material that is elastically deformed by an external force. For example, it may be a gel material or a soft plastic. Also, a sponge-like material may be used.
(5) 上述の説明では、前部カバー200は絞り加工などによって金属板を加工した部材であったが、本発明はこれに限定されない。たとえば、金属の削りだしによって前部カバー200を作製するなど、絞り加工以外の加工方法によって前部カバー200を作製してもよい。また、前部カバー200の材質も金属に限らず、樹脂などであってもよい。 (5) In the above description, the front cover 200 is a member obtained by processing a metal plate by drawing or the like, but the present invention is not limited to this. For example, the front cover 200 may be manufactured by a processing method other than drawing, such as manufacturing the front cover 200 by metal cutting. The material of the front cover 200 is not limited to metal, and may be resin or the like.
(6) 上述の説明では、集音面111が前方、すなわちレンズ鏡筒101の被写体側と同じ方向を向くようにマイク110およびマイクゴム120を配設しているが、マイク110に指向性がなければ、集音面111が上方または側方を向くようにマイク110およびマイクゴム120を配設してもよい。また、ステレオ録音ができるように、上述したマイク、マイクゴム120およびマイクゴム当接部210などを左右2箇所に設けるように構成してもよい。
(7) 上述した各実施の形態および変形例は、それぞれ組み合わせてもよい。
(6) In the above description, the microphone 110 and the microphone rubber 120 are disposed so that the sound collection surface 111 faces forward, that is, in the same direction as the subject side of the lens barrel 101. However, the microphone 110 has no directivity. For example, the microphone 110 and the microphone rubber 120 may be disposed so that the sound collection surface 111 faces upward or sideward. Further, the above-described microphone, microphone rubber 120, microphone rubber contact portion 210, and the like may be provided at two locations on the left and right sides so that stereo recording can be performed.
(7) You may combine each embodiment and modification which were mentioned above, respectively.
なお、本発明は、上述した実施の形態のものに何ら限定されず、マイクと、マイクの集音面前面に開口部を有してマイクを保持する、弾性素材から成るマイク保持部材と、ボディの内面に設けられて開口部の内周面側に当接する成形部とを備える各種構造の電子機器を含むものである。   The present invention is not limited to the embodiment described above, and a microphone, a microphone holding member made of an elastic material that has an opening on the front surface of the sound collection surface of the microphone and holds the microphone, and a body And an electronic device having various structures provided with a molded portion that is provided on the inner surface of the opening and abuts on the inner peripheral surface side of the opening.
カメラ1の前部カバーおよび内部構造を示す図である。It is a figure which shows the front part cover and internal structure of the camera. マイク110およびマイクゴム120の断面図である。It is sectional drawing of the microphone 110 and the microphone rubber | gum 120. FIG. マイクゴム当接部210を含む前面下部202の近傍を左側から見たときの断面図である。It is sectional drawing when the vicinity of the front lower part 202 containing the microphone rubber contact part 210 is seen from the left side. 前部カバー200を本体部100に取り付けたときの、マイクゴム当接部210を含む前面下部202の近傍を左側から見たときの断面図である。FIG. 6 is a cross-sectional view of the vicinity of the front lower portion 202 including the microphone rubber contact portion 210 when viewed from the left side when the front cover 200 is attached to the main body portion 100. 変形例を示す図である。It is a figure which shows a modification. 変形例を示す図である。It is a figure which shows a modification.
符号の説明Explanation of symbols
1 カメラ 100 本体部
101 レンズ鏡筒 102 レンズ駆動機構
110 マイク 111 集音面
120 マイクゴム 122 開口部
124 テーパ面 125 小径円筒部
200 前部カバー 210 マイクゴム当接部
214 湾曲部 215 テーパ円筒部
DESCRIPTION OF SYMBOLS 1 Camera 100 Main body part 101 Lens barrel 102 Lens drive mechanism 110 Microphone 111 Sound collecting surface 120 Microphone rubber 122 Opening part 124 Tapered surface 125 Small diameter cylindrical part 200 Front cover 210 Microphone rubber contact part 214 Curved part 215 Tapered cylindrical part

Claims (12)

  1. 撮像光学系と、
    前記撮像光学系の駆動機構と、
    マイクと、
    弾性素材から成り、前記マイクの集音面前面に開口部を有し、前記マイクを保持するマイク保持部材と、
    ボディの内面に設けられて、開口部の内周面側に当接する成形部とを備えることを特徴とするカメラ。
    An imaging optical system;
    A drive mechanism of the imaging optical system;
    With a microphone,
    A microphone holding member that is made of an elastic material, has an opening on the front surface of the sound collection surface of the microphone, and holds the microphone;
    A camera comprising: a molding portion provided on an inner surface of the body and abutting on an inner peripheral surface side of the opening portion.
  2. 請求項1に記載のカメラにおいて、
    前記成形部は、前記開口部の内周面側の全周にわたって当接することを特徴とするカメラ。
    The camera of claim 1,
    The said shaping | molding part contact | abuts over the perimeter of the inner peripheral surface side of the said opening part, The camera characterized by the above-mentioned.
  3. 請求項1に記載のカメラにおいて、
    前記マイクを保持した前記マイク保持部材を前記成形部に向かって押圧する押圧手段をさらに備えることを特徴とするカメラ。
    The camera of claim 1,
    The camera further comprising pressing means for pressing the microphone holding member holding the microphone toward the forming portion.
  4. 請求項1に記載のカメラにおいて、
    前記マイク保持部材は、前記ボディ側に向かって前記開口部の径が大きくなるように形成された保持部材側当接部を有し、前記保持部材側当接部で前記成形部と当接することを特徴とするカメラ。
    The camera of claim 1,
    The microphone holding member has a holding member side abutting portion formed so that the diameter of the opening increases toward the body side, and abuts on the molding portion at the holding member side abutting portion. Camera characterized by.
  5. 請求項1に記載のカメラにおいて、
    前記成形部は、前記マイク保持部材側に向かって外径が小さくなるように形成されたボディ側当接部を有し、前記ボディ側当接部で前記マイク保持部材と当接することを特徴とするカメラ。
    The camera of claim 1,
    The molded part has a body side contact part formed so that an outer diameter decreases toward the microphone holding member side, and contacts the microphone holding member at the body side contact part. Camera.
  6. 請求項1に記載のカメラにおいて、
    前記マイク保持部材は、前記成形部と当接した際に前記開口部近傍の変形が促進されるように形成された変形促進部を有することを特徴とするカメラ。
    The camera of claim 1,
    The camera according to claim 1, wherein the microphone holding member includes a deformation promoting portion formed so as to promote deformation near the opening when the microphone holding member comes into contact with the forming portion.
  7. マイクと、
    弾性素材から成り、前記マイクの集音面前面に開口部を有し、前記マイクを保持するマイク保持部材と、
    ボディの内面に設けられて、開口部の内周面側に当接する成形部とを備えることを特徴とする電子機器。
    With a microphone,
    A microphone holding member that is made of an elastic material, has an opening on the front surface of the sound collection surface of the microphone, and holds the microphone;
    An electronic apparatus comprising: a molding portion provided on an inner surface of the body and abutting on an inner peripheral surface side of the opening portion.
  8. 請求項7に記載の電子機器において、
    前記成形部は、前記開口部の内周面側の全周にわたって当接することを特徴とする電子機器。
    The electronic device according to claim 7,
    The electronic device according to claim 1, wherein the molded portion is in contact with the entire circumference on the inner peripheral surface side of the opening.
  9. 請求項7に記載の電子機器において、
    前記マイクを保持した前記マイク保持部材を前記成形部に向かって押圧する押圧手段をさらに備えることを特徴とする電子機器。
    The electronic device according to claim 7,
    An electronic apparatus further comprising pressing means for pressing the microphone holding member holding the microphone toward the molding portion.
  10. 請求項7に記載の電子機器において、
    前記マイク保持部材は、前記ボディ側に向かって前記開口部の径が大きくなるように形成された保持部材側当接部を有し、前記保持部材側当接部で前記成形部と当接することを特徴とする電子機器。
    The electronic device according to claim 7,
    The microphone holding member has a holding member side abutting portion formed so that the diameter of the opening increases toward the body side, and abuts on the molding portion at the holding member side abutting portion. Electronic equipment characterized by
  11. 請求項7に記載の電子機器において、
    前記成形部は、前記マイク保持部材側に向かって外径が小さくなるように形成されたボディ側当接部を有し、前記ボディ側当接部で前記マイク保持部材と当接することを特徴とする電子機器。
    The electronic device according to claim 7,
    The molded part has a body side contact part formed so that an outer diameter decreases toward the microphone holding member side, and contacts the microphone holding member at the body side contact part. Electronic equipment.
  12. 請求項7に記載の電子機器において、
    前記マイク保持部材は、前記成形部と当接した際に前記開口部近傍の変形が促進されるように形成された変形促進部を有することを特徴とする電子機器。
    The electronic device according to claim 7,
    2. The electronic apparatus according to claim 1, wherein the microphone holding member has a deformation promoting portion formed so as to promote deformation near the opening when the microphone holding member comes into contact with the forming portion.
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