JPS61124139U - - Google Patents
Info
- Publication number
- JPS61124139U JPS61124139U JP583185U JP583185U JPS61124139U JP S61124139 U JPS61124139 U JP S61124139U JP 583185 U JP583185 U JP 583185U JP 583185 U JP583185 U JP 583185U JP S61124139 U JPS61124139 U JP S61124139U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- light emitting
- output
- stereo
- display element
- 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
- 239000000203 mixture Substances 0.000 claims description 3
Landscapes
- Circuits Of Receivers In General (AREA)
- Stereo-Broadcasting Methods (AREA)
Description
図は本考案の一実施例を示すものである。
７…ステレオ表示信号端子８を有するステレオ
復調回路、１６…検出回路、１７…論理和回路、
１８…無安定マルチバイブレータ（表示制御回路
）、２７…ハイブレンド回路、３２…発光ダイオ
ード。
The figure shows one embodiment of the present invention. 7... Stereo demodulation circuit having stereo display signal terminal 8, 16... Detection circuit, 17... OR circuit,
18... Astable multivibrator (display control circuit), 27... High blend circuit, 32... Light emitting diode.
Claims (1)
ステレオ表示信号端子を有するＦＭステレオ復調
回路と、前記検出回路からの検出出力及び前記ス
テレオ表示信号を二入力とする論理回路と、発光
表示素子と、前記論理回路からの出力に基づき前
記発光表示素子の点灯状態を制御する表示制御回
路と、同じく前記論理回路からの出力に基づき制
御されるハイブレンド回路とを備え、前記ステレ
オ表示信号が存在し且つ前記中間周波信号が所定
レベル以上である時には、前記論理回路の出力に
基づき前記表示制御回路にて前記発光表示素子を
点灯状態となし、ステレオ表示信号が存在し且つ
前記中間周波信号が所定レベル以下である時には
、前記論理回路の出力に基づき前記表示制御回路
にて前記発光表示素子を点滅状態となすと共に前
記ハイブレンド回路を動作させるようにしたこと
を特徴とするラジオ受信機の表示回路。 a detection circuit that detects the level of the intermediate frequency signal;
an FM stereo demodulation circuit having a stereo display signal terminal, a logic circuit having two inputs of the detection output from the detection circuit and the stereo display signal, a light emitting display element, and the light emitting display element based on the output from the logic circuit. and a high blend circuit that is also controlled based on the output from the logic circuit, and when the stereo display signal is present and the intermediate frequency signal is at a predetermined level or higher, The display control circuit turns on the light emitting display element based on the output of the logic circuit, and when a stereo display signal is present and the intermediate frequency signal is below a predetermined level, the display control circuit turns on the light emitting display element based on the output of the logic circuit. A display circuit for a radio receiver, characterized in that a display control circuit causes the light emitting display element to blink and at the same time operates the high blend circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP583185U JPS61124139U (en) | 1985-01-19 | 1985-01-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP583185U JPS61124139U (en) | 1985-01-19 | 1985-01-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61124139U true JPS61124139U (en) | 1986-08-05 |
Family
ID=30482706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP583185U Pending JPS61124139U (en) | 1985-01-19 | 1985-01-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61124139U (en) |
-
1985
- 1985-01-19 JP JP583185U patent/JPS61124139U/ja active Pending
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