JPS60144344U - two-way radio communication device - Google Patents
two-way radio communication deviceInfo
- Publication number
- JPS60144344U JPS60144344U JP1984031147U JP3114784U JPS60144344U JP S60144344 U JPS60144344 U JP S60144344U JP 1984031147 U JP1984031147 U JP 1984031147U JP 3114784 U JP3114784 U JP 3114784U JP S60144344 U JPS60144344 U JP S60144344U
- Authority
- JP
- Japan
- Prior art keywords
- communication device
- radio communication
- way radio
- frequency characteristics
- variable filter
- 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
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
第１図はパーソナル無線機の送信部のブロック図、第２
図はパーソナル無線機の従来の受信部のブロック図、第
３図〜第５図は従来のパーソナル無線機の周波数特性を
夫々示す図、第６図は本考案の実施例のブロック図、第
７図は第６図の装置の一部具体例の回路図、第８図は第
６図の装置の周波数特性を示す図である。
主要部分の符号の説明、４・・・ＦＭ検波器、５゜６・
・・フィルタ、８・・・ピーク検波器。Figure 1 is a block diagram of the transmitting section of the personal radio;
The figure is a block diagram of a conventional receiving section of a personal radio, FIGS. 3 to 5 are diagrams showing frequency characteristics of the conventional personal radio, respectively, FIG. 6 is a block diagram of an embodiment of the present invention, and 6 is a circuit diagram of a specific example of the device shown in FIG. 6, and FIG. 8 is a diagram showing the frequency characteristics of the device shown in FIG. 6. Explanation of symbols of main parts, 4...FM detector, 5゜6・
...Filter, 8...Peak detector.
Claims (1)
して送信された送信信号を受信する双方向無線通信機で
あって、周波数特性が変化自在とされた可変フィルタと
、受信信号の復調出力レベルに応じて前記可変フィルタ
の周波数特性を変化制御する制御信号を発生する手段と
を有することを特徴とする受信機。This is a two-way radio communication device that receives a transmitted signal by changing its frequency characteristics according to the microphone input level, and includes a variable filter whose frequency characteristics can be changed freely, and a demodulated output level of the received signal. A receiver comprising: means for generating a control signal that changes and controls the frequency characteristics of the variable filter accordingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984031147U JPS60144344U (en) | 1984-03-02 | 1984-03-02 | two-way radio communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984031147U JPS60144344U (en) | 1984-03-02 | 1984-03-02 | two-way radio communication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60144344U true JPS60144344U (en) | 1985-09-25 |
Family
ID=30531488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984031147U Pending JPS60144344U (en) | 1984-03-02 | 1984-03-02 | two-way radio communication device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60144344U (en) |
-
1984
- 1984-03-02 JP JP1984031147U patent/JPS60144344U/en active Pending
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