JPS61131153U - - Google Patents
Info
- Publication number
- JPS61131153U JPS61131153U JP1985012984U JP1298485U JPS61131153U JP S61131153 U JPS61131153 U JP S61131153U JP 1985012984 U JP1985012984 U JP 1985012984U JP 1298485 U JP1298485 U JP 1298485U JP S61131153 U JPS61131153 U JP S61131153U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- speaker
- signal
- receives
- handset
- 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
Landscapes
- Transceivers (AREA)
- Mobile Radio Communication Systems (AREA)
Description
第１図に示した回路は、本考案のスピーカー切
換回路の一実施例、第２図は本考案に係る子機を
示す側面図、第３図は従来例である。
主な図番の説明、１……子機本体、３……切換
摘子、４……アンテナ、５……第１スピーカー、
６……第２スピーカー、７……マイクロフオン、
８……受信回路、９……増幅回路、１０……マイ
クロフオン用増幅回路、１１……送信回路、１２
……電池、１３……第１切換スイツチ、１４……
第２切換スイツチ。
The circuit shown in FIG. 1 is an embodiment of the speaker switching circuit of the present invention, FIG. 2 is a side view showing a cordless handset according to the present invention, and FIG. 3 is a conventional example. Explanation of main figure numbers, 1... Handset main body, 3... Switching knob, 4... Antenna, 5... First speaker,
6...Second speaker, 7...Microphone,
8... Receiving circuit, 9... Amplifying circuit, 10... Microphone amplifier circuit, 11... Transmitting circuit, 12
...Battery, 13...First changeover switch, 14...
Second changeover switch.
Claims (1)
来る子機とより成るコードレス電話において、子
機に組込まれている電池と、子機を待機状態と通
話状態に切換える切換スイツチと、待機状態及び
通話状態にあるとき前記電池から電源が供給され
て動作状態になると共に親機から送信される呼出
し信号及び呼者からの音声信号を受信する受信回
路と、通話状態にあるとき前記電池から電源が供
給されて動作状態になると共に話者の音声信号を
親機へ送信する送信回路と、前記受信回路によつ
て受信された呼出し信号及び音声信号が入力され
ると共に該信号を増幅する増幅回路と、待機状態
にあるとき前記切換スイツチを介して電源線路と
前記増幅回路の出力端子との間に接続される第１
のスピーカーと、通話状態にあるとき前記切換ス
イツチを介して電源線路と前記増幅回路の出力端
子との間に接続される第２スピーカーとより成る
コードレス電話のスピーカー切換回路。 In a cordless telephone, which consists of a base unit connected to a telephone line and a handset that can transmit and receive calls wirelessly, the handset has a built-in battery, a switch that switches the handset between standby and talking states, and a standby state. and a receiving circuit that receives power from the battery when in a call state to be in an operating state and receives a calling signal transmitted from the base unit and a voice signal from the caller, and a receiving circuit that receives power from the battery when in a call state. a transmitting circuit that is supplied with the signal and becomes operational and transmits the speaker's voice signal to the base unit; and an amplifier circuit that receives the calling signal and voice signal received by the receiving circuit and amplifies the signal. and a first circuit connected between the power supply line and the output terminal of the amplifier circuit via the changeover switch when in the standby state.
A speaker switching circuit for a cordless telephone, comprising a speaker and a second speaker connected between a power supply line and an output terminal of the amplifier circuit via the switching switch when in a call state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985012984U JPS61131153U (en) | 1985-01-31 | 1985-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985012984U JPS61131153U (en) | 1985-01-31 | 1985-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61131153U true JPS61131153U (en) | 1986-08-16 |
Family
ID=30496565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985012984U Pending JPS61131153U (en) | 1985-01-31 | 1985-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61131153U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03128342U (en) * | 1990-04-09 | 1991-12-24 |
-
1985
- 1985-01-31 JP JP1985012984U patent/JPS61131153U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03128342U (en) * | 1990-04-09 | 1991-12-24 |
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