JPH0260357U - - Google Patents
Info
- Publication number
- JPH0260357U JPH0260357U JP13870688U JP13870688U JPH0260357U JP H0260357 U JPH0260357 U JP H0260357U JP 13870688 U JP13870688 U JP 13870688U JP 13870688 U JP13870688 U JP 13870688U JP H0260357 U JPH0260357 U JP H0260357U
- Authority
- JP
- Japan
- Prior art keywords
- audio signal
- transmitting
- voice
- receiving
- digital audio
- 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
Description
第１図はこの考案の一実施例によるハンヅフリ
ー電話機のブロツク図、第２図は従来のハンヅフ
リー電話機のブロツク図である。
図において、１は受話スピーカー、２は受話ア
ンプ、３は送話マイク、４は送話アンプ、５はハ
イブリツドトランス、６はＤＡ変換器、７はシフ
トレジスタ、８はＡＤ変換器を示す。なお、図中
、同一符号は同一、又は相当部分を示す。
FIG. 1 is a block diagram of a hands-free telephone according to an embodiment of this invention, and FIG. 2 is a block diagram of a conventional hands-free telephone. In the figure, 1 is a receiving speaker, 2 is a receiving amplifier, 3 is a transmitting microphone, 4 is a transmitting amplifier, 5 is a hybrid transformer, 6 is a DA converter, 7 is a shift register, and 8 is an AD converter. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
ネツトワーク回路と相手の音声を受信する受話ス
ピーカー及び自らの音声を送信する送話マイクを
備え、相手の音声を受話スピーカーで受信中に同
時に送話マイクによつて音声を相手に伝達する事
のできるハンヅフリー電話機において、送話部、
受話部のいずれかにアナログ音声信号をデイジタ
ル音声信号に変換する手段と、このデイジタル音
声信号を時間的に遅延させる手段と、この遅延せ
しめられた上記デイジタル音声信号を再びアナロ
グ音声信号に変換する手段を設け送話部、受話部
の信号の位相関係を可変にする事を特徴とするハ
ンヅフリー電話機。 Equipped with a network circuit that exchanges the two wires of the telephone line into four wires for transmitting and receiving, a receiving speaker for receiving the other party's voice, and a transmitting microphone for transmitting one's own voice, while the receiver's voice is being received by the receiving speaker. In a hands-free telephone that can simultaneously transmit voice to the other party using a transmitting microphone, a transmitting unit,
A means for converting an analog audio signal into a digital audio signal in one of the receivers, a means for temporally delaying the digital audio signal, and a means for converting the delayed digital audio signal back into an analog audio signal. 1. A hands-free telephone set which is equipped with a transmitter section and a receiver section to make the phase relationship between signals variable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13870688U JPH0260357U (en) | 1988-10-25 | 1988-10-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13870688U JPH0260357U (en) | 1988-10-25 | 1988-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0260357U true JPH0260357U (en) | 1990-05-02 |
Family
ID=31401294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13870688U Pending JPH0260357U (en) | 1988-10-25 | 1988-10-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0260357U (en) |
-
1988
- 1988-10-25 JP JP13870688U patent/JPH0260357U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0260357U (en) | ||
| GB2336502A (en) | Audio integrator module | |
| JPH0322451U (en) | ||
| JPH0446454A (en) | Portable telephon device used also for stereo | |
| JPS59181760A (en) | Loudspeaker type simultaneous call interphone device | |
| JPH02147993U (en) | ||
| JPS625766U (en) | ||
| JPH03262239A (en) | cordless telephone device | |
| JP2525481Y2 (en) | Telephone | |
| JPH0221847U (en) | ||
| JPS6331658U (en) | ||
| JPH04199950A (en) | handset | |
| JPH0275856U (en) | ||
| JPS62125057U (en) | ||
| JPS63169739U (en) | ||
| JPH06181490A (en) | Telephone exchange | |
| JPS61154043U (en) | ||
| JPS6142164U (en) | Pre-talk intercom device | |
| JPS6444732U (en) | ||
| JPS6415446U (en) | ||
| JPS5880956A (en) | Variable sound volume trunk depending upon subscriber's operation | |
| JPS59177258U (en) | public address telephone | |
| JPS63178975U (en) | ||
| JPS622756A (en) | Controller for talking sound volume | |
| JPS6421552U (en) |