JP3056938B2 - Waterproof microphone - Google Patents
Waterproof microphoneInfo
- Publication number
- JP3056938B2 JP3056938B2 JP6035536A JP3553694A JP3056938B2 JP 3056938 B2 JP3056938 B2 JP 3056938B2 JP 6035536 A JP6035536 A JP 6035536A JP 3553694 A JP3553694 A JP 3553694A JP 3056938 B2 JP3056938 B2 JP 3056938B2
- Authority
- JP
- Japan
- Prior art keywords
- holder
- seal
- microphone
- microphone element
- adhesive tape
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、防水マイクに関し、よ
り詳細には、ビデオカメラ等の電子機器を室外で使用す
る場合に、防水機能を有し、ハウジングにおいて音声系
ノイズの発生を防止するようにした防水マイクに関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof microphone, and more particularly, to a waterproof function when an electronic device such as a video camera is used outdoors and has a housing to prevent generation of audio noise in a housing. Related to the waterproof microphone.
【０００２】[0002]
【従来の技術】図３（ａ),（ｂ）は、従来の防水マイク
の構成図で、図（ａ）は横断面拡大図、図（ｂ）は縦断
面図である。図中、２１は第１のホルダ、２１ａはスト
ッパー部、２２は押え板、２３は粘着テープ、２４はシ
ール、２５は第２のホルダ、２６はキャップ、２６ａは
開口部、２７はボックス、２８はＯリング、２９は空気
層、３０はマイク素子、３０ａは収音面、３１は出力端
子である。2. Description of the Related Art FIGS. 3A and 3B are diagrams showing the construction of a conventional waterproof microphone. FIG. 3A is an enlarged cross-sectional view and FIG. 3B is a longitudinal sectional view. In the figure, 21 is a first holder, 21a is a stopper portion, 22 is a pressing plate, 23 is an adhesive tape, 24 is a seal, 25 is a second holder, 26 is a cap, 26a is an opening, 27 is a box, 28 Is an O-ring, 29 is an air layer, 30 is a microphone element, 30a is a sound collecting surface, and 31 is an output terminal.
【０００３】マイク素子３０は、第１のホルダ２１内に
収められ、ボックス２７内に入っている。第１のホルダ
２１には粘着テープ２３を貼り付けた押え板２２とシー
ル２４が載せられる。更に、第２のホルダ２５を被せら
れ、これにキャップ２６を被せることで防水機能を確保
している。しかし、構造上どうしても空気層２９が発生
し、更にキャップ２６により粘着テープ２３が押しつぶ
され、粘着テープ２３内の空気が外に出るため、押え板
２２とシール２４との間が離れる方向にある。[0003] The microphone element 30 is housed in a first holder 21 and is housed in a box 27. On the first holder 21, a holding plate 22 on which an adhesive tape 23 is stuck and a seal 24 are placed. Furthermore, the second holder 25 is covered, and a cap 26 is placed on the second holder 25 to ensure a waterproof function. However, due to the structure, an air layer 29 is inevitably generated, and further, the adhesive tape 23 is crushed by the cap 26 and the air in the adhesive tape 23 goes out.
【０００４】[0004]
【発明が解決しようとする課題】前述のように、従来の
防水マイクにおいては、第１のホルダ２１のストッパー
部２１ａが、マイク素子３０の収音面３０ａ側に出てい
るため、押え板２２との間に空気層２９が発生する。更
に粘着テープ２３により、シール２４との間にも空気層
２９が発生する。該空気層２９が生じることにより、マ
イク素子３０の収音面３０ａ、押え板２２のシール２４
で収音時、各々で位相差が生じ、音声帯域ノイズの発生
の原因となる。As described above, in the conventional waterproof microphone, since the stopper portion 21a of the first holder 21 protrudes toward the sound collecting surface 30a of the microphone element 30, the pressing plate 22 is provided. An air layer 29 is generated between the two. Further, an air layer 29 is generated between the adhesive tape 23 and the seal 24. Due to the formation of the air layer 29, the sound collecting surface 30 a of the microphone element 30 and the seal 24 of the holding plate 22 are formed.
When sound is picked up, a phase difference occurs between the respective sound sources, which causes voice band noise.
【０００５】本発明は、このような実情に鑑みてなされ
たもので、構成部品の間で発生する空気層を低減させる
ことにより、音声帯域ノイズの発生を防止するようにし
た防水マイクを提供することを目的としている。[0005] The present invention has been made in view of such circumstances, and provides a waterproof microphone in which the generation of voice band noise is prevented by reducing an air layer generated between components. It is intended to be.
【０００６】[0006]
【課題を解決するための手段】本発明は、上記目的を達
成するために、防水マイクを、マイク素子と、該マイク
素子の出力端子側にストッパー部を有し、前記マイク素
子を固定する第１のホルダと、該第１のホルダを収納す
るボックスと、前記マイク素子の収音面側に付ける粘着
テープを貼り付けた押え板と、前記粘着テープに貼り付
けるシールと、中央に穴部を有すると共に前記押え板と
前記シールに被せる第２のホルダと、前記シールを押え
るための棒状の押圧部材と、前記第２のホルダを被う形
状を有すると共に前記押圧部材が設けられたキャップと
から構成したことを特徴とするものである。SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a waterproof microphone having a microphone element, a stopper portion on the output terminal side of the microphone element, and a watertight microphone for fixing the microphone element. Storing the first holder and the first holder
Box, a pressing plate to which an adhesive tape to be attached to the sound-collecting surface side of the microphone element is attached, a seal to be attached to the adhesive tape, and a second hole which has a hole at the center and covers the holding plate and the seal. shape which covers the holder, the pressing rod-like member for pressing the front Symbol seal, the second holder
And a cap provided with the pressing member .
【０００７】[0007]
【作用】前記構成を有する本発明の防水マイクは、マイ
ク素子の収音面と前方にある押え板との間隔を詰めて、
該間隔の中に存在する空気の層を薄くし、その前方にあ
るシールと押え板を接触させ、押え板とシールとの間で
発生する収音時の振動の位相差をなくすことで、防水機
構上発生する空気層が要因となって生じる音声帯域ノイ
ズを、空気層の発生を押えることで可能にする。According to the waterproof microphone of the present invention having the above-described structure, the distance between the sound collecting surface of the microphone element and the front pressing plate is reduced.
The layer of air existing in the space is made thinner, the seal in front of the space is brought into contact with the holding plate, and the phase difference of the vibration at the time of sound collection generated between the holding plate and the seal is eliminated. An audio band noise caused by an air layer generated in the mechanism is made possible by suppressing the generation of the air layer.
【０００８】[0008]
【実施例】実施例について、図面を参照して以下に説明
する。図１（ａ),（ｂ）は本発明による防水マイクの一
実施例を説明するための構成図で、図（ａ）は横断面拡
大図、図（ｂ）は縦断面図である。図中、１は第１のホ
ルダ、１ａはストッパー部、２は押え板、３は粘着テー
プ、４はシール、５は第２のホルダ、６はキャップ、６
ａは開口部、７は棒状の押圧部材、８はボックス、９は
Ｏリング、１０は空気層、１１はマイク素子、１１ａは
収音面、１２は出力端子である。Embodiments will be described below with reference to the drawings. 1A and 1B are configuration diagrams for explaining an embodiment of a waterproof microphone according to the present invention. FIG. 1A is an enlarged cross-sectional view and FIG. 1B is a vertical cross-sectional view. In the figure, 1 is a first holder, 1a is a stopper portion, 2 is a pressing plate, 3 is an adhesive tape, 4 is a seal, 5 is a second holder, 6 is a cap, 6 is
a is an opening, 7 is a rod-shaped pressing member, 8 is a box, 9 is an O-ring, 10 is an air layer, 11 is a microphone element, 11a is a sound collecting surface, and 12 is an output terminal.
【０００９】マイク素子１１は第１のホルダ１内に収め
られ、ボックス８内に入っている。第１のホルダ１に
は、粘着テープ３を貼リ付けた押え板２と、シール４が
載せられている。第１のホルダ１のストッパー部１ａ
は、図３に示した従来例のものと比べ、マイク素子１１
の収音面１１ａ側から出力端子１２側に設けられてい
る。これにより、マイク素子１１の収音面１１ａと押え
板２の間の空気層１０の発生を押えることが可能とな
る。従って収音時に、収音面１１ａと押え板２の側で生
じていた位相差がなくなり、音声帯域ノイズの発生を防
止することができる。The microphone element 11 is housed in the first holder 1 and in the box 8. On the first holder 1, a holding plate 2 on which an adhesive tape 3 is stuck and a seal 4 are placed. Stopper part 1a of first holder 1
Is different from the conventional example shown in FIG.
From the sound collecting surface 11a side to the output terminal 12 side. Thereby, it is possible to suppress the generation of the air layer 10 between the sound collecting surface 11a of the microphone element 11 and the press plate 2. Therefore, at the time of sound pickup, the phase difference generated between the sound pickup surface 11a and the presser plate 2 side is eliminated, and the occurrence of voice band noise can be prevented.
【００１０】さらに、第２のホルダ５を被せられた第１
のホルダ１と押え板２と粘着テープ３とシール４とボッ
クス８には、キャップ６が被せられている。これで、防
水機能を確保しているが、押え板２とシール４との間で
発生する空気層１０を押えるために、キャップ６の開口
部６ａに棒状の押圧部材７を設けている。棒状の押圧部
材７を設けたことにより、図３に示した空気層２９は、
図１の空気層１０となり、収音時に押え板２とシール４
との間で生じていた位相差も押えられ、音声帯域ノイズ
の発生を防止することができる。Further, the first holder 5 covered with the second holder 5
The holder 6, the holding plate 2, the adhesive tape 3, the seal 4, and the box 8 are covered with a cap 6. Thus, the waterproof function is ensured, but a rod-shaped pressing member 7 is provided in the opening 6a of the cap 6 in order to press the air layer 10 generated between the holding plate 2 and the seal 4. By providing the rod-shaped pressing member 7, the air layer 29 shown in FIG.
It becomes the air layer 10 of FIG.
The phase difference that has occurred between them is also suppressed, and the occurrence of audio band noise can be prevented.
【００１１】図２は、本発明による防水マイクの展開図
である。図中の参照番号は図１と同じである。マイク素
子１１は、第１のホルダ１の中央孔に収納され、該マイ
ク素子１１の後端部には出力端子１２が設けられ、該マ
イク素子１１の後端部の周辺は、第１のホルダ１のスト
ッパー部１ａで固定される。前記マイク素子１１の前端
部は収音面１１ａとなっており、第１のホルダ１と同一
の平面を形成している。該同一平面上に円板材の押え板
２と、輪状粘着テープ３と円板状のシール４とが順次設
けられている。FIG. 2 is a development view of the waterproof microphone according to the present invention. Reference numbers in the figure are the same as those in FIG. The microphone element 11 is housed in a central hole of the first holder 1, an output terminal 12 is provided at a rear end of the microphone element 11, and the periphery of the rear end of the microphone element 11 is a first holder. It is fixed by one stopper portion 1a. The front end of the microphone element 11 is a sound collecting surface 11a, and forms the same plane as the first holder 1. A pressing plate 2 made of a disk material, a ring-shaped adhesive tape 3 and a disk-shaped seal 4 are sequentially provided on the same plane.
【００１２】したがって、前記押え板２とシール４との
間には輪状の粘着テープ３を挾んで、中央部に空気層１
０が生ずることになる。以上の構成のものが円筒状のボ
ックス８の中央部に収納される。前記第１のホルダ１の
後端部はその深さでボックス８内でストッパー部により
固定される。このように構成されたボックス８の前面に
は中央に穴部を有する第２のホルダ５が被せられ、前記
ボックス８との外径と同一径とされる。該第２のホルダ
５の前面には、前記ボックス８が全部覆われるようにキ
ャップ６が被せられる。該キャップ６の中央部には、前
記シール４を押圧する押圧部材７が棒状に設けられてい
る。該棒状の押圧部材７がシール４を押圧することによ
り、シール４と押圧板２との間に形成されている空気層
１０を低減させることができ、収音時の振動の位相差を
なくすことができる。Therefore, a ring-shaped adhesive tape 3 is interposed between the holding plate 2 and the seal 4, and an air layer 1 is provided at the center.
0 will occur. The above configuration is stored in the center of the cylindrical box 8. The rear end of the first holder 1 is fixed at its depth in the box 8 by a stopper. The second holder 5 having a hole at the center is covered on the front surface of the box 8 thus configured, and has the same diameter as the outer diameter of the box 8. A cap 6 is placed on the front surface of the second holder 5 so that the box 8 is entirely covered. At the center of the cap 6, a pressing member 7 for pressing the seal 4 is provided in a bar shape. When the stick-shaped pressing member 7 presses the seal 4, the air layer 10 formed between the seal 4 and the pressing plate 2 can be reduced, and the phase difference of vibration during sound pickup can be eliminated. Can be.
【００１３】[0013]
【発明の効果】以上の説明から明らかなように、ビデオ
カメラ等の電子機器に装備されているもしくは接続して
使用される防水機能を有する防水マイクにおいて、防水
機構で用いるホルダと押え板とシートと該シートを押圧
する押圧部材とで、シールと押圧板との間に形成される
空気層の発生を押え、収音時に生じる位相差を解消する
ことにより、従来、音声帯域のノイズの要因となってい
た構造上発生する空気層を押えることが可能となり、音
声帯域ノイズの発生を防止することができる。As is apparent from the above description, in a waterproof microphone having a waterproof function which is mounted on or connected to an electronic device such as a video camera, a holder, a holding plate and a sheet used in a waterproof mechanism are provided. And a pressing member that presses the sheet, suppresses the generation of an air layer formed between the seal and the pressing plate, and eliminates a phase difference generated at the time of sound collection. It is possible to suppress the air layer generated due to the structure, and to prevent generation of voice band noise.
【図１】本発明による防水マイクの一実施例を説明する
ための構成図である。FIG. 1 is a configuration diagram for explaining an embodiment of a waterproof microphone according to the present invention.
【図２】本発明による防水マイクの展開図である。FIG. 2 is a development view of a waterproof microphone according to the present invention.
【図３】従来の防水マイクの構成図である。FIG. 3 is a configuration diagram of a conventional waterproof microphone.
１…第１のホルダ、１ａ…ストッパー部、２…押え板、
３…粘着テープ、４…シール、５…第２のホルダ、６…
キャップ、６ａ…開口部、７…棒状の押圧部材、８…ボ
ックス、９…Ｏリング、１０…空気層、１１…マイク素
子、１１ａ…収音面、１２…出力端子。DESCRIPTION OF SYMBOLS 1 ... 1st holder, 1a ... Stopper part, 2 ... Holding plate,
3 ... adhesive tape, 4 ... seal, 5 ... second holder, 6 ...
Cap, 6a opening, 7 rod-shaped pressing member, 8 box, 9 O-ring, 10 air layer, 11 microphone element, 11a sound collecting surface, 12 output terminal.
Claims (1)
側にストッパー部を有し、前記マイク素子を固定する第
１のホルダと、該第１のホルダを収納するボックスと、
前記マイク素子の収音面側に付ける粘着テープを貼り付
けた押え板と、前記粘着テープに貼り付けるシールと、
中央に穴部を有すると共に前記押え板と前記シールに被
せる第２のホルダと、前記シールを押えるための棒状の
押圧部材と、前記第２のホルダを被う形状を有すると共
に前記押圧部材が設けられたキャップとから構成されて
いることを特徴とする防水マイク。1. A microphone element, a first holder having a stopper on an output terminal side of the microphone element and fixing the microphone element, and a box for accommodating the first holder,
A holding plate to which an adhesive tape to be attached to the sound pickup surface side of the microphone element is attached, and a seal to be attached to the adhesive tape,
A second holder for covering the seal and the holding plate and has a hole in the center, and the pressing rod-like member for pressing the front Symbol seal, to have a shape that covers the second holder co
And a cap provided with the pressing member .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6035536A JP3056938B2 (en) | 1994-03-07 | 1994-03-07 | Waterproof microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6035536A JP3056938B2 (en) | 1994-03-07 | 1994-03-07 | Waterproof microphone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07245794A JPH07245794A (en) | 1995-09-19 |
| JP3056938B2 true JP3056938B2 (en) | 2000-06-26 |
Family
ID=12444463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6035536A Expired - Fee Related JP3056938B2 (en) | 1994-03-07 | 1994-03-07 | Waterproof microphone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3056938B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4456656B1 (en) * | 2009-07-13 | 2010-04-28 | 成高 鈴木 | Waterproof microphone |
| DE102016116424B4 (en) | 2016-09-02 | 2026-02-05 | Sennheiser Electronic Se & Co. Kg | Microphone unit for an action camera |
-
1994
- 1994-03-07 JP JP6035536A patent/JP3056938B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07245794A (en) | 1995-09-19 |
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