JPS6114548U - cordless telephone - Google Patents
cordless telephoneInfo
- Publication number
- JPS6114548U JPS6114548U JP9647184U JP9647184U JPS6114548U JP S6114548 U JPS6114548 U JP S6114548U JP 9647184 U JP9647184 U JP 9647184U JP 9647184 U JP9647184 U JP 9647184U JP S6114548 U JPS6114548 U JP S6114548U
- Authority
- JP
- Japan
- Prior art keywords
- cordless telephone
- filter
- noise
- act
- 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
Landscapes
- Noise Elimination (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本考案のコードレス電話機の構成を示す回路図で
ある。
１・・・高周波増幅回路、２・・・混合回路、３・・・
局部発振回路、４・・・中間周波増幅及び検波回路、７
・・・オペアンプ。The drawing is a circuit diagram showing the configuration of the cordless telephone according to the present invention. 1...High frequency amplification circuit, 2...Mixing circuit, 3...
Local oscillation circuit, 4... intermediate frequency amplification and detection circuit, 7
...Op amp.
Claims (1)
機に於いて、子機の受信回路に設けられたノイズ検串時
にスケルチをかけるよう作用するノイズアンプのフィル
タの特性を、通話時とスタンバイ時で変更する手段を設
け、通話時はノイズフィルタとして作用し、スタンバイ
時は親機より送信′ されるトーン信号を検出するトー
ンフィルタとして作用するよう構成したことを特徴きす
るコードレス電話装置。2. In a cordless telephone consisting of a base unit and a handset connected wirelessly, the filter characteristics of the noise amplifier that is installed in the reception circuit of the handset, which acts to apply a squelch when detecting noise, are measured during calls and during standby. What is claimed is: 1. A cordless telephone device characterized in that it is provided with a means for changing the telephone number depending on the time, and is configured to act as a noise filter during a call, and to act as a tone filter for detecting a tone signal transmitted from a base unit during standby.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9647184U JPS6114548U (en) | 1984-06-26 | 1984-06-26 | cordless telephone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9647184U JPS6114548U (en) | 1984-06-26 | 1984-06-26 | cordless telephone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6114548U true JPS6114548U (en) | 1986-01-28 |
Family
ID=30655953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9647184U Pending JPS6114548U (en) | 1984-06-26 | 1984-06-26 | cordless telephone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6114548U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5683138A (en) * | 1979-12-10 | 1981-07-07 | Fujitsu Ltd | Squeltch system |
-
1984
- 1984-06-26 JP JP9647184U patent/JPS6114548U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5683138A (en) * | 1979-12-10 | 1981-07-07 | Fujitsu Ltd | Squeltch system |
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