JPH0322451U - - Google Patents
Info
- Publication number
- JPH0322451U JPH0322451U JP8280689U JP8280689U JPH0322451U JP H0322451 U JPH0322451 U JP H0322451U JP 8280689 U JP8280689 U JP 8280689U JP 8280689 U JP8280689 U JP 8280689U JP H0322451 U JPH0322451 U JP H0322451U
- Authority
- JP
- Japan
- Prior art keywords
- phase conversion
- signal
- electrical signal
- phase
- audio electrical
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims 1
- 230000005236 sound signal Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Description
第１図は本考案の一実施例を示すブロツク図で
ある。
１……電話回線、２……ハイブリツド回路、３
……受話信号線、４……信号合成回路、５……受
話器信号線、６……スピーカ、７……位相変換回
路、８……送話位相変換信号線、９……送話信号
線、１０……マイクロホン、１１……スイツチ。
FIG. 1 is a block diagram showing one embodiment of the present invention. 1...Telephone line, 2...Hybrid circuit, 3
... Receiving signal line, 4... Signal synthesis circuit, 5... Receiver signal line, 6... Speaker, 7... Phase conversion circuit, 8... Transmitting phase conversion signal line, 9... Transmitting signal line, 10...Microphone, 11...Switch.
Claims (1)
して位相変換出力信号を出力する位相変換回路と
、相手側の音声電気信号と側音電気信号とが合成
されている音声信号に前記位相変換出力信号を合
成して前記側音声電気信号だけを除去し前記相手
側の音声電気信号だけを抽出する信号合成回路と
、前記位相変換回路からの位相変換出力信号を前
記信号合成回路に入力するかしないかを選択する
選択スイツチとを有することを特徴とする電話機
。 a phase conversion circuit that converts the phase of the audio electrical signal sent from the transmitter and outputs a phase conversion output signal; and a phase conversion circuit that converts the phase of the audio electrical signal sent from the transmitter and outputs the phase conversion output signal, and outputs the phase conversion output to the audio signal in which the audio electrical signal of the other party and the sidetone electrical signal are synthesized. a signal synthesis circuit that synthesizes signals, removes only the audio electrical signal from the other side, and extracts only the audio electrical signal from the other party; and whether or not the phase conversion output signal from the phase conversion circuit is input to the signal synthesis circuit. 1. A telephone set comprising a selection switch for selecting one of the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8280689U JPH0322451U (en) | 1989-07-13 | 1989-07-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8280689U JPH0322451U (en) | 1989-07-13 | 1989-07-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0322451U true JPH0322451U (en) | 1991-03-07 |
Family
ID=31629943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8280689U Pending JPH0322451U (en) | 1989-07-13 | 1989-07-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0322451U (en) |
-
1989
- 1989-07-13 JP JP8280689U patent/JPH0322451U/ja active Pending
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