JPH0375650U - - Google Patents
Info
- Publication number
- JPH0375650U JPH0375650U JP1989135788U JP13578889U JPH0375650U JP H0375650 U JPH0375650 U JP H0375650U JP 1989135788 U JP1989135788 U JP 1989135788U JP 13578889 U JP13578889 U JP 13578889U JP H0375650 U JPH0375650 U JP H0375650U
- Authority
- JP
- Japan
- Prior art keywords
- jack
- headset
- terminal device
- communication terminal
- modular
- 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
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000005236 sound signal Effects 0.000 claims 1
- 230000003321 amplification Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Transceivers (AREA)
Description
第１図は本考案の一実施例の斜視図、第２図は
本実施例の内部回路ブロツク図である。
１…筺体、２…２ピンテレマルチジヤツク（ヘ
ツドセツト用）、３…４ピンモジユラージヤツク
（ハンドセツト用）、４…４ワイヤーコード、５
…４ピンモジユラープラグ、６…ハンドセツト／
ヘツドセツト切換スイツチ、７…レシーバー・レ
ベル調整ダイヤル、８…トランシーバー・レベル
調整ダイヤル、９…ヘツドセツトインタフエイス
、１０…ハンドセツトインタフエイス、１１…ア
ナログ信号増幅回路（オペアンプ）、１２…端末
側インタフエイス。
FIG. 1 is a perspective view of an embodiment of the present invention, and FIG. 2 is a block diagram of the internal circuit of this embodiment. 1...Housing, 2...2 pin telemulti jack (for head set), 3...4 pin modular jack (for handset), 4...4 wire cord, 5
…4-pin modular plug, 6…handset/
Headset changeover switch, 7...Receiver level adjustment dial, 8...Transceiver level adjustment dial, 9...Headset interface, 10...Handset interface, 11...Analog signal amplification circuit (operational amplifier), 12...Terminal side interface .
Claims (1)
通信端末装置のインタフエイスアダプタにおいて
、前記通信端末装置への接続用モジユラープラグ
と、ハンドセツト用モジユラージヤツクと、ヘツ
ドセツト用テレマルチジヤツクと、前記ハンドセ
ツト用モジユラージヤツクと前記ヘツドセツト用
テレマルチジヤツクとを切換えるスイツチと、送
受信信号レベル調整用の可変抵抗器とを備えるこ
とを特徴とするハンドセツト・ヘツドセツトイン
タフエイスアダプタ。 An interface adapter for a communication terminal device including a speech current supply circuit in an audio signal transmission/reception circuit, comprising: a modular plug for connection to the communication terminal device; a modular jack for a handset; a telemulti jack for a headset; and a modular plug for connection to the communication terminal device; 1. A handset/headset interface adapter comprising a switch for switching between a modular jack and the headset telemulti jack, and a variable resistor for adjusting a transmitting/receiving signal level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989135788U JPH0375650U (en) | 1989-11-21 | 1989-11-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989135788U JPH0375650U (en) | 1989-11-21 | 1989-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0375650U true JPH0375650U (en) | 1991-07-30 |
Family
ID=31683033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989135788U Pending JPH0375650U (en) | 1989-11-21 | 1989-11-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0375650U (en) |
-
1989
- 1989-11-21 JP JP1989135788U patent/JPH0375650U/ja active Pending
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