JPS62109531U - - Google Patents
Info
- Publication number
- JPS62109531U JPS62109531U JP19838685U JP19838685U JPS62109531U JP S62109531 U JPS62109531 U JP S62109531U JP 19838685 U JP19838685 U JP 19838685U JP 19838685 U JP19838685 U JP 19838685U JP S62109531 U JPS62109531 U JP S62109531U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- demodulation circuit
- audio
- display led
- stereo
- 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
- 239000011159 matrix material Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Television Receiver Circuits (AREA)
- Noise Elimination (AREA)
- Stereo-Broadcasting Methods (AREA)
Description
図は本考案の実施例のブロツク図を示す。
１…ＦＭ／ＴＶ検波入力端子、２…ＦＭ／ＴＶ
検波回路、３…チユーニング表示ＬＥＤ、４…Ｆ
Ｍ ＭＰＸ、５…ＴＶ ＭＰＸ、６…ダイオード
、７…ＦＭステレオ表示ＬＥＤドライブ端子、８
…ＦＭステレオ表示兼ＴＶ音声多重表示ＬＥＤ、
９…トランジスタ、１０…トランジスタ、１１…
＋Ｂ電源端子、１２…ＦＭ／ＴＶ検波出力、１３
…ＦＭ ＭＰＸ出力、１４…ＴＶ ＭＰＸ出力、
１５…ＴＶ ＭＰＸ強制モノラル端子。
The figure shows a block diagram of an embodiment of the invention. 1...FM/TV detection input terminal, 2...FM/TV
Detection circuit, 3...Tuning display LED, 4...F
M MPX, 5...TV MPX, 6...Diode, 7...FM stereo display LED drive terminal, 8
...FM stereo display and TV audio multiplex display LED,
9...Transistor, 10...Transistor, 11...
+B power supply terminal, 12...FM/TV detection output, 13
...FM MPX output, 14...TV MPX output,
15...TV MPX forced monaural terminal.
Claims (1)
テレオ受信時はＦＭステレオ表示ＬＥＤドライブ
回路で、無信号状態時はチユーニング表示ＬＥＤ
ドライブ回路によりＴＶ音声多重復調回路を強制
的にモノラル状態つまりマトリツクス回路を停止
させることによりＶＴ音声多重復調回路を素通り
させることを特徴とするＦＭ付ＴＶ音声多重復調
回路。 In the TV audio multiplex demodulation circuit with FM, the FM stereo display LED drive circuit is used when receiving FM stereo, and the tuning display LED is used when there is no signal.
1. A TV audio multiplexing demodulation circuit with FM, characterized in that a drive circuit forces the TV audio multiplexing demodulation circuit into a monaural state, that is, stops a matrix circuit, thereby allowing the VT audio multiplexing demodulation circuit to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19838685U JPS62109531U (en) | 1985-12-25 | 1985-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19838685U JPS62109531U (en) | 1985-12-25 | 1985-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62109531U true JPS62109531U (en) | 1987-07-13 |
Family
ID=31159024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19838685U Pending JPS62109531U (en) | 1985-12-25 | 1985-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62109531U (en) |
-
1985
- 1985-12-25 JP JP19838685U patent/JPS62109531U/ja active Pending
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