JPS5861548U - Emergency broadcast receiving device - Google Patents
Emergency broadcast receiving deviceInfo
- Publication number
- JPS5861548U JPS5861548U JP15612281U JP15612281U JPS5861548U JP S5861548 U JPS5861548 U JP S5861548U JP 15612281 U JP15612281 U JP 15612281U JP 15612281 U JP15612281 U JP 15612281U JP S5861548 U JPS5861548 U JP S5861548U
- Authority
- JP
- Japan
- Prior art keywords
- emergency
- section
- receiving device
- detection unit
- signal
- 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.)
- Granted
Links
Landscapes
- Circuits Of Receivers In General (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
第１図は緊急放送システムを構成する送信装置を示すブ
ロック図、第２図、第３図は従来の緊急放送受信装置を
示すブロック図、第４図は本考案に係る緊急放送受信装
置を示すブロック図である。
６・・・チューナ一部、７・・・音声増幅部、９・・・
デコーダー（検出部）、１０・・・音声増幅部制御用ス
イッチング部（第１のスイッチング部）、１１・・・電
源部、１４・・・ＡＧＣ回路（電圧発生部）、１５・・
・ −デコーダー制御用スイッチング部（第２のスイ
ッチング部）、１６・・・制御電圧供給線路。FIG. 1 is a block diagram showing a transmitting device constituting an emergency broadcast system, FIGS. 2 and 3 are block diagrams showing a conventional emergency broadcast receiving device, and FIG. 4 is a block diagram showing an emergency broadcast receiving device according to the present invention. It is a block diagram. 6...part of tuner, 7...audio amplification section, 9...
Decoder (detection section), 10... Switching section for controlling audio amplification section (first switching section), 11... Power supply section, 14... AGC circuit (voltage generation section), 15...
- Decoder control switching section (second switching section), 16... control voltage supply line.
Claims (1)
先して送信される緊急警報信号及び緊急情報信号を受信
するために、チューナ部と、音声増幅部と、前記チュー
ナ一部の出力に前記緊急警報信号が含まれているか否か
を検出する検出部と、該検出部の出力にて開閉制御され
る第１のスイッチング部とを備え、前記検出部で前記緊
急警報信号を検出したとき前記第１のスイッチング部を
介して前記音声増幅部へ電源電圧を供給するとともに、
受信入力信号レベルに応じた出力電圧を発生する電圧発
生部の出力電圧にて制御され、受信入力信号レベルが所
定レベル以下のとき前記検出部の動作を停止させる第２
のスイッチング部を設けてなる緊急放送受信装置であっ
て、前記検出部で前記緊急警報信号を検出した後は、前
記受信入力信号レベルに関係な（前記検出部が動作する
ように前記第２のスイッチング部を制御する手段を設け
てなる緊急放送受信装置。In order to receive an emergency warning signal and an emergency information signal that are transmitted with priority over the normal broadcast program signal using the same carrier wave as the normal broadcast, a tuner section, an audio amplification section, and an output of a part of the tuner are provided. a detection unit that detects whether or not an emergency warning signal is included; and a first switching unit whose opening and closing are controlled by the output of the detection unit, and when the detection unit detects the emergency warning signal, the Supplying a power supply voltage to the audio amplification unit via a first switching unit,
A second control unit that is controlled by the output voltage of a voltage generator that generates an output voltage according to the level of the received input signal, and stops the operation of the detection unit when the level of the received input signal is below a predetermined level.
The emergency broadcast receiving device is provided with a switching section, wherein after the detection section detects the emergency warning signal, the second An emergency broadcast receiving device comprising means for controlling a switching section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15612281U JPS5861548U (en) | 1981-10-19 | 1981-10-19 | Emergency broadcast receiving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15612281U JPS5861548U (en) | 1981-10-19 | 1981-10-19 | Emergency broadcast receiving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5861548U true JPS5861548U (en) | 1983-04-25 |
| JPS6320196Y2 JPS6320196Y2 (en) | 1988-06-06 |
Family
ID=29948675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15612281U Granted JPS5861548U (en) | 1981-10-19 | 1981-10-19 | Emergency broadcast receiving device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5861548U (en) |
-
1981
- 1981-10-19 JP JP15612281U patent/JPS5861548U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6320196Y2 (en) | 1988-06-06 |
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