JPH0464848U - - Google Patents
Info
- Publication number
- JPH0464848U JPH0464848U JP10703590U JP10703590U JPH0464848U JP H0464848 U JPH0464848 U JP H0464848U JP 10703590 U JP10703590 U JP 10703590U JP 10703590 U JP10703590 U JP 10703590U JP H0464848 U JPH0464848 U JP H0464848U
- Authority
- JP
- Japan
- Prior art keywords
- sound
- speaker
- microphone
- handset
- level
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Telephone Set Structure (AREA)
Description
第１図はこの考案の一実施例を示すブロツク図
、第２図はこの考案の他の実施例のブロツク図で
ある。
図面における主要な符号の説明、１０……音響
カプラ、１１……ＡＧＣアンプ、１２……レベル
検出回路。
FIG. 1 is a block diagram showing one embodiment of this invention, and FIG. 2 is a block diagram of another embodiment of this invention. Explanation of main symbols in the drawings: 10...acoustic coupler, 11...AGC amplifier, 12...level detection circuit.
Claims (1)
ーカと、上記ハンドセツトの受話口からの音響が
入力されるマイクロホンとを有し、 上記ハンドセツトの上記送話口から上記受話口
に伝送される側音を、上記マイクロホンにより検
出し、上記側音の検出レベルに応じて上記スピー
カの音圧レベルを制御するようにした音響カプラ
装置。 (2) ハンドセツトの送話口に音響を与えるスピ
ーカーと、上記ハンドセツトの受話口からの音響
が入力される第１のマイクロホンと、上記スピー
カーの近傍に配設される第２のマイクロホンとを
有し、 上記第２のマイクロホンで上記スピーカーの音
響レベルを検出し、この検出レベルに応じて上記
スピーカーの音圧レベルを制御するようにした音
響カプラ装置。[Scope of Claim for Utility Model Registration] (1) A speaker that provides sound to the mouthpiece of the handset, and a microphone into which sound from the earpiece of the handset is input; An acoustic coupler device that detects side sound transmitted to an earpiece using the microphone, and controls the sound pressure level of the speaker according to the detection level of the side sound. (2) A speaker that provides sound to the mouthpiece of the handset, a first microphone into which the sound from the earpiece of the handset is input, and a second microphone disposed near the speaker. . An acoustic coupler device, wherein the second microphone detects the sound level of the speaker, and the sound pressure level of the speaker is controlled according to the detected level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10703590U JPH0464848U (en) | 1990-10-12 | 1990-10-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10703590U JPH0464848U (en) | 1990-10-12 | 1990-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0464848U true JPH0464848U (en) | 1992-06-04 |
Family
ID=31853362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10703590U Pending JPH0464848U (en) | 1990-10-12 | 1990-10-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0464848U (en) |
-
1990
- 1990-10-12 JP JP10703590U patent/JPH0464848U/ja active Pending
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