JPH0375640U - - Google Patents
Info
- Publication number
- JPH0375640U JPH0375640U JP13578189U JP13578189U JPH0375640U JP H0375640 U JPH0375640 U JP H0375640U JP 13578189 U JP13578189 U JP 13578189U JP 13578189 U JP13578189 U JP 13578189U JP H0375640 U JPH0375640 U JP H0375640U
- Authority
- JP
- Japan
- Prior art keywords
- broadcast
- outputs
- receiving device
- level
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Noise Elimination (AREA)
Description
第1図は本考案の一実施例を示すブロツク図で
ある。
1…アンテナ、2…同調回路、3…検波器、4
…増幅器、5…スピーカ、6…搬送波レベル検出
回路、7…電源制御回路、8…電源回路。
FIG. 1 is a block diagram showing one embodiment of the present invention. 1... Antenna, 2... Tuning circuit, 3... Detector, 4
...Amplifier, 5...Speaker, 6...Carrier level detection circuit, 7...Power supply control circuit, 8...Power supply circuit.
Claims (1)
からの所定の周波数の放送信号に同調してこの放
送信号を出力する同調回路と、この同調回路から
の放送信号を検波増幅し放送情報を出力する受信
装置主要部と、前記同調回路からの放送信号の搬
送波レベルが所定の基準レベルより低いときレベ
ル低下検出信号を出力する搬送波レベル検出回路
と、前記レベル低下検出信号が入力されたとき前
記受信装置主要部への電源の供給を停止する電源
制御回路とを有することを特徴とする放送受信装
置。 An antenna that receives broadcast radio waves, a tuning circuit that tunes to a broadcast signal of a predetermined frequency from this antenna and outputs this broadcast signal, and a receiving device that detects and amplifies the broadcast signal from this tuning circuit and outputs broadcast information. a main part, a carrier wave level detection circuit that outputs a level drop detection signal when the carrier wave level of the broadcast signal from the tuning circuit is lower than a predetermined reference level, and a main part of the receiver when the level drop detection signal is input. A broadcast receiving device comprising: a power control circuit that stops supplying power to the broadcast receiving device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13578189U JPH0375640U (en) | 1989-11-21 | 1989-11-21 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13578189U JPH0375640U (en) | 1989-11-21 | 1989-11-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0375640U true JPH0375640U (en) | 1991-07-30 |
Family
ID=31683026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13578189U Pending JPH0375640U (en) | 1989-11-21 | 1989-11-21 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0375640U (en) |
-
1989
- 1989-11-21 JP JP13578189U patent/JPH0375640U/ja active Pending
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