JPH045740U - - Google Patents
Info
- Publication number
- JPH045740U JPH045740U JP4617690U JP4617690U JPH045740U JP H045740 U JPH045740 U JP H045740U JP 4617690 U JP4617690 U JP 4617690U JP 4617690 U JP4617690 U JP 4617690U JP H045740 U JPH045740 U JP H045740U
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- control circuit
- output
- state
- base unit
- 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
- 239000003990 capacitor Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案の無線電話装置の子機の呼び出
し音出力回路を示す図、第２図は第１図の呼び出
し音出力回路における各点の波形を示す図、第３
図は従来の無線電話装置の子機の呼び出し音出力
回路を示す図、第４図は第３図の呼び出し音出力
回路における各点の波形を示す図である。
４……スピーカ、５……トランジスタ（充電手
段）、６……電流制御抵抗、７……ボイスコイル
、８……コンデンサ、９……ダイオード（放電手
段）。
FIG. 1 is a diagram showing a ring tone output circuit of a handset of the wireless telephone device of the present invention, FIG. 2 is a diagram showing waveforms at each point in the ring tone output circuit of FIG. 1, and FIG.
4 is a diagram showing a ring tone output circuit of a handset of a conventional wireless telephone device, and FIG. 4 is a diagram showing waveforms at various points in the ring tone output circuit of FIG. 3. 4... Speaker, 5... Transistor (charging means), 6... Current control resistor, 7... Voice coil, 8... Capacitor, 9... Diode (discharging means).
Claims (1)
回線を介して接続された子機とよりなる無線電話
装置において、 前記子機は、前記親機からの呼び出し信号に応
じて矩形波信号を出力する制御回路と、コンデン
サと、このコンデンサに一端が接続され且つ他端
が接地されるスピーカのボイスコイルと、前記制
御回路からの出力が第１の状態の際に前記コンデ
ンサを充電する充電手段と、前記制御回路からの
出力が第２の状態の際に前記コンデンサを放電さ
せる放電手段と、を備えることを特徴とする無線
電話装置。[Claims for Utility Model Registration] In a wireless telephone device consisting of a base unit connected to a telephone line and a slave unit connected to the base unit via a wireless line, the slave unit is capable of receiving signals from the base unit. a control circuit that outputs a rectangular wave signal in response to a calling signal; a capacitor; a voice coil of a speaker whose one end is connected to the capacitor and whose other end is grounded; and an output from the control circuit that is in a first state. A radio telephone device comprising: a charging means for charging the capacitor when the output from the control circuit is in the second state; and a discharging means for discharging the capacitor when the output from the control circuit is in the second state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4617690U JPH045740U (en) | 1990-04-28 | 1990-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4617690U JPH045740U (en) | 1990-04-28 | 1990-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH045740U true JPH045740U (en) | 1992-01-20 |
Family
ID=31561027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4617690U Pending JPH045740U (en) | 1990-04-28 | 1990-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH045740U (en) |
-
1990
- 1990-04-28 JP JP4617690U patent/JPH045740U/ja active Pending
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