JPH0514632Y2 - - Google Patents
Info
- Publication number
- JPH0514632Y2 JPH0514632Y2 JP3245284U JP3245284U JPH0514632Y2 JP H0514632 Y2 JPH0514632 Y2 JP H0514632Y2 JP 3245284 U JP3245284 U JP 3245284U JP 3245284 U JP3245284 U JP 3245284U JP H0514632 Y2 JPH0514632 Y2 JP H0514632Y2
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- cover
- housing
- support plate
- speaker
- 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 - Lifetime
Links
- 229920001971 elastomer Polymers 0.000 description 5
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
Description
【考案の詳細な説明】
〔考案の技術分野〕
本考案はスピーカを内在する筺体内にマイクロ
ホン室を画成し拡声電話機に関する。[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to a public address telephone in which a microphone chamber is defined within a housing containing a speaker.
従来、音響機器としての例えば拡声電話機では
マイクロホンを取付プレートにスタンドを介して
支承させ、このマイクロホン取付プレートを拡声
電話機の筺体底板にネジ止めして取付固定してい
た。
Conventionally, in audio equipment such as a loudspeaker telephone, a microphone has been supported on a mounting plate via a stand, and the microphone mounting plate has been fixed to the bottom plate of the casing of the loudspeaker telephone by screwing.
また拡声電話機では、筺体内に配設されたスピ
ーカとマイクロホンとの音響結合を防止するため
に、筺体内部ではマイクロホンの周囲を密閉する
ようにしている。このマイクロホンを密閉するに
は筺体底部に前記マイクロホン取付プレートを囲
繞するように凹部を形成するとともに、この凹部
内にネオプレーンスポンジ等の軟質ゴムを収容
し、さらに筺体本体に形成された壁部を前記凹部
内に嵌着させてマイクロホン室を形成しマイクロ
ホンを密閉収容するようにしていた。 In addition, in the loudspeaker telephone, the area around the microphone is sealed inside the housing to prevent acoustic coupling between the speaker and the microphone disposed inside the housing. To seal this microphone, a recess is formed at the bottom of the housing to surround the microphone mounting plate, a soft rubber such as neoprene sponge is housed in the recess, and a wall formed on the main body of the housing is inserted into the recess to surround the microphone mounting plate. A microphone chamber was formed by fitting the microphone into the recess, and the microphone was hermetically housed therein.
なお、上述した拡声電話機ではマイクロホンを
支承したマイクロホン取付プレートをネジを用い
て筺体底板に固定するようにしていた。 Note that in the above-mentioned loudspeaker telephone, the microphone mounting plate supporting the microphone was fixed to the bottom plate of the housing using screws.
ところで、上述した従来の拡声電話機による
と、マイクロホンを支承したマイクロホン取付プ
レートをネジを用いて筺体底板に固定するので、
スピーカの振動がマイクロホンに伝播し易く、さ
らにこのマイクロホンを密閉収容するのに、ネオ
プレーンスポンジ等の軟質ゴムを用いるため部品
点数が多く工程増となり組立作業性が著しく低下
する要因となつていた。
By the way, according to the above-mentioned conventional loudspeaker telephone, the microphone mounting plate supporting the microphone is fixed to the bottom plate of the housing using screws.
Vibrations from the speaker easily propagate to the microphone, and since soft rubber such as neoprene sponge is used to seal the microphone, the number of parts is large, increasing the number of steps and significantly reducing assembly work efficiency.
〔考案の目的〕
本考案は上述した問題点に鑑み、スピーカとマ
イクロホンとの音響結合を低減させるとともに、
部品点数を削減し、しかも組立作業性を向上させ
た拡声電話機を提供することを目的とする。[Purpose of the invention] In view of the above-mentioned problems, the present invention reduces the acoustic coupling between the speaker and the microphone, and
The purpose of the present invention is to provide a loudspeaker telephone with a reduced number of parts and improved assembly workability.
この目的を達成するため、本考案では、スピー
カを内在する筺体内にマイクロホン室を画成した
拡声電話機において、マイクロホンを支承する支
持プレートをゴム等の弾性体で形成するととも
に、マイクロホン室を画成する第1のカバーの壁
部の端部と第2のカバーとの間に支持プレート押
圧挟持部を押圧挟持させるようにしたものであ
る。
In order to achieve this purpose, in the present invention, in a loudspeaker telephone in which a microphone chamber is defined within a housing containing a speaker, the support plate that supports the microphone is formed of an elastic material such as rubber, and the microphone chamber is defined. A support plate pressing and holding part is pressed and held between the end of the wall of the first cover and the second cover.
以下、本考案に係わる拡声電話機の一実施例を
詳述する。
An embodiment of the loudspeaker telephone according to the present invention will be described in detail below.
第1図は本考案に係わる拡声電話機の縦断面図
を示したものである。 FIG. 1 shows a longitudinal cross-sectional view of a loudspeaker telephone according to the present invention.
この拡声電話機の筺体1は上カバーである第1
のカバー2と、この第1のカバー2の下側開口を
覆う筺体部材としての第2のカバー3とを結合し
てなり、この第1のカバー2と第2のカバー3と
は、それぞれ第1のカバー2と第2のカバー3と
に突出形成されたボス部2a,3aを取付ネジ4
で締め付け固定することによつて一体に固定され
る。 The housing 1 of this loudspeaker telephone has a first cover which is an upper cover.
and a second cover 3 serving as a housing member that covers the lower opening of the first cover 2, and each of the first cover 2 and the second cover 3 is The boss portions 2a and 3a formed protrudingly on the first cover 2 and the second cover 3 are attached with the mounting screws 4.
They are fixed together by tightening and fixing them.
また、筺体1内の後方には受話用のスピーカ5
を収容したスピーカボツクス6が第1のカバー2
と第2のカバー3との間にゴム等の弾性体7,8
を介して挟持されている。 Also, at the rear of the housing 1 is a speaker 5 for receiving calls.
The speaker box 6 that houses the first cover 2
Elastic bodies 7, 8 such as rubber are placed between the second cover 3 and the second cover 3.
It is held in between.
他方、筺体1の前方には、送話用のマイクロホ
ン9を収容するマイクロホン室10が形成されて
いる。このマイクロホン室10は第2図の横断面
図で示すように、第1のカバー2の前方に形成さ
れた断面コの字形状の壁部2bと、該壁部2bに
対応する位置の第2のカバー3に形成されたコの
字形状の凸部3bとからなり、該凸部3bのコの
字形状の内側に前記壁部2bの端部を嵌挿添設さ
せて形成される。一方、マイクロホン9は支持プ
レート11と一体形成されたマイクロホン取付部
11aに嵌着され、そこに支承されている。この
支持プレート部11は、その一辺を除いた周囲に
押圧挟持部11bが形成されている(第3図)。
この支持プレート部11を前記マイクロホン室1
0内に収容固定するには、筺体の第2のカバー3
に形成された凸部3b内に支持プレート11を配
置して位置決めし、しかる後第1のカバー2に形
成された壁部2bの端部2b′で支持プレート部1
1の押圧挟持部11bを押圧するようにして第1
のカバー2を組み付け、それによつて支持プレー
ト部11を第2のカバー3と第1のカバー2の壁
部2b端部2b′との間に挟持させる。 On the other hand, a microphone chamber 10 is formed in the front of the housing 1 to accommodate a microphone 9 for transmitting speech. As shown in the cross-sectional view of FIG. 2, this microphone chamber 10 includes a wall portion 2b having a U-shaped cross section formed in front of the first cover 2, and a second wall portion 2b at a position corresponding to the wall portion 2b. A U-shaped convex portion 3b is formed on the cover 3, and the end portion of the wall portion 2b is inserted into and attached to the inside of the U-shaped convex portion 3b. On the other hand, the microphone 9 is fitted into a microphone mounting portion 11a formed integrally with the support plate 11, and is supported there. This support plate portion 11 has a pressing and holding portion 11b formed around it except for one side (FIG. 3).
This support plate portion 11 is connected to the microphone chamber 1.
0, remove the second cover 3 of the housing.
The support plate 11 is arranged and positioned within the convex portion 3b formed on the first cover 2, and then the support plate portion 1 is inserted into the end portion 2b' of the wall portion 2b formed on the first cover 2.
1 by pressing the first pressing and holding part 11b.
cover 2 is assembled, whereby the support plate portion 11 is sandwiched between the second cover 3 and the wall portion 2b end portion 2b' of the first cover 2.
このようにして組み立てられた拡声電話機で
は、マイクロホン9の収容するマイクロホン室1
0が第1のカバー2の端部2b′と第2のカバー3
との間に押圧挟持された弾性体の支持プレート部
11によつて筺体内部において密閉されることと
なる。 In the loudspeaker telephone assembled in this way, the microphone chamber 1 in which the microphone 9 is housed is
0 is the end 2b' of the first cover 2 and the second cover 3
The inside of the casing is sealed by the elastic support plate portion 11 that is pressed and held between the casing and the casing.
従つて、スピーカ5からの音が筺体内部を通つ
てマイクロホン室10に進入するのを防ぐことが
できる。 Therefore, it is possible to prevent the sound from the speaker 5 from entering the microphone chamber 10 through the inside of the housing.
なお、上記実施例では、押圧挟持部11bを更
に凸部3bで囲繞するのでスピーカの振動の伝播
が防止できる。さらに、マイクロホンの支持プレ
ート部11の下部に空間を設けたのでスピーカの
振動の伝播が防止できる。 In the above embodiment, since the pressing and holding portion 11b is further surrounded by the convex portion 3b, propagation of the vibrations of the speaker can be prevented. Furthermore, since a space is provided below the support plate portion 11 of the microphone, propagation of vibrations from the speaker can be prevented.
なお、上記実施例では拡声電話機について説明
したが、拡声電話機にみ限らずマイクロホンを内
臓するテープレコーダやその他の音響機器にも本
考案を適用できる。 In the above embodiments, a loudspeaker telephone has been described, but the present invention is applicable not only to a loudspeaker telephone but also to tape recorders and other audio equipment with built-in microphones.
本考案はゴム等の弾性体からなる支持プレート
部にマイクロホンを支承させ、この支持プレート
部の押圧挟持部をマイクロホン室を形成する第1
のカバーに形成した壁体端部と第2のカバーとの
間に押圧挟持させて収容固定するようにしたた
め、マイクロホンを取付収容するに際し部品点数
が削減され、しかも組立作業が容易となる。さら
に支持プレート部の押圧挟持部を押圧挟持するの
でスピーカの振動がマイクロホンに伝播するのを
防止できる。
In the present invention, a microphone is supported on a support plate made of an elastic material such as rubber, and a pressing and holding part of this support plate is used as a first support plate that forms a microphone chamber.
Since the microphone is held and held by pressing between the end of the wall body formed on the cover and the second cover, the number of parts is reduced when installing and housing the microphone, and the assembly work is facilitated. Furthermore, since the pressing and holding portion of the support plate portion is pressed and held, it is possible to prevent the vibrations of the speaker from propagating to the microphone.
第1図は本考案に係わる拡声電話機の実施例を
示す筺体の縦断面図、第2図は第1図に示すマイ
クロホン室を拡大して示した部分横断面図、第3
図は第1図のA−A線部分断面図である。
1……筺体、2……第1のカバー、2b……壁
部、2b′……端部、3……第2のカバー、5……
スピーカ、9……マイクロホン、10……マイク
ロホン室、11……支持プレート部、11a……
マイクロホン取付部、11b……押圧挟持部。
FIG. 1 is a vertical cross-sectional view of a housing showing an embodiment of a loudspeaker telephone according to the present invention, FIG. 2 is a partial cross-sectional view showing an enlarged microphone chamber shown in FIG. 1, and FIG.
The figure is a partial sectional view taken along the line A--A in FIG. 1. DESCRIPTION OF SYMBOLS 1... Housing, 2... First cover, 2b... Wall part, 2b'... End part, 3... Second cover, 5...
Speaker, 9...Microphone, 10...Microphone chamber, 11...Support plate section, 11a...
Microphone attachment part, 11b...pressing clamping part.
Claims (1)
筺体の筺体内にスピーカを内在し前記第1のカバ
ーから前記第2のカバーに向けて延在してなる壁
部によつて前記筺体内に画成され、マイクロホン
を囲繞するためのマイクロホン室を有した拡声電
話機において、 前記マイクロホン室に配設され、前記第1のカ
バーから延在する前記壁部の端部と前記第2のカ
バーとで押圧挟持される押圧挟持部を有する弾性
体で形成された支持プレート部と、 この支持プレートから延在し、前記マイクロホ
ンを取付けるためのマイクロホン取付孔を穿設し
たマイクロホン取付部と を具備したことを特徴とする拡声電話機。[Claims for Utility Model Registration] A speaker is contained within the housing of a housing formed by joining a first cover and a second cover, and extends from the first cover toward the second cover. A loudspeaker telephone having a microphone chamber for surrounding a microphone, defined in the housing by a wall section, the wall section being disposed in the microphone chamber and extending from the first cover. A support plate portion formed of an elastic body and having a pressing and clamping portion that is pressed and clamped between an end portion and the second cover, and a microphone mounting hole extending from the support plate and having a microphone mounting hole for mounting the microphone. A loudspeaker telephone characterized in that it is equipped with a microphone mounting part.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3245284U JPS60145781U (en) | 1984-03-07 | 1984-03-07 | public address telephone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3245284U JPS60145781U (en) | 1984-03-07 | 1984-03-07 | public address telephone |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60145781U JPS60145781U (en) | 1985-09-27 |
JPH0514632Y2 true JPH0514632Y2 (en) | 1993-04-19 |
Family
ID=30533977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3245284U Granted JPS60145781U (en) | 1984-03-07 | 1984-03-07 | public address telephone |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60145781U (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0434610Y2 (en) * | 1986-06-18 | 1992-08-18 | ||
JP7050463B2 (en) * | 2017-11-13 | 2022-04-08 | 株式会社デンソーテン | Electronic control device |
-
1984
- 1984-03-07 JP JP3245284U patent/JPS60145781U/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60145781U (en) | 1985-09-27 |
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