JPS6335384U - - Google Patents
Info
- Publication number
- JPS6335384U JPS6335384U JP12901186U JP12901186U JPS6335384U JP S6335384 U JPS6335384 U JP S6335384U JP 12901186 U JP12901186 U JP 12901186U JP 12901186 U JP12901186 U JP 12901186U JP S6335384 U JPS6335384 U JP S6335384U
- Authority
- JP
- Japan
- Prior art keywords
- audio
- oscillator
- intercarrier
- video
- power
- 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
- 230000005236 sound signal Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Television Receiver Circuits (AREA)
- Television Signal Processing For Recording (AREA)
Description
第１図は、本考案のＲＦモジユレータの一実施
例の音声信号に関する要部回路図であり、第２図
は、従来のＲＦモジユレータの音声信号に関連す
る要部回路図であり、第３図は、第２図において
、ＲＦモジユーレータを動作させる際に音声イン
タキヤリア信号の周波数がずれて立ち上がる動作
の説明図である。
１：１チツプＩＣ、３：音声インタキヤリア発
振器、５：ビデオキヤリア発振器、６：再生操作
電源、７：ビデオ装置電源。
FIG. 1 is a circuit diagram of a main part related to an audio signal of an embodiment of the RF modulator of the present invention, FIG. 2 is a circuit diagram of a main part related to an audio signal of a conventional RF modulator, and FIG. 2 is an explanatory diagram of the operation in which the frequency of the audio intercarrier signal deviates and rises when the RF modulator is operated. 1: 1 chip IC, 3: audio intercarrier oscillator, 5: video carrier oscillator, 6: playback operation power supply, 7: video device power supply.
Claims (1)
インタキヤリア信号を音声信号でＦＭ変調し、こ
の変調信号とビデオキヤリア発振器から出力され
るビデオキヤリア信号を混合して音声変調信号と
して出力するＲＦモジユレータにおいて、ビデオ
装置の電源投入に連動して前記音声インタキヤリ
ア発振器に電源を供給して駆動させ、前記ビデオ
装置の再生操作に連動して前記ビデオキヤリア発
振器に電源を供給して駆動させるように構成した
ことを特徴とするＲＦモジユレータ。 An RF modulator that performs FM modulation of an audio intercarrier signal output from an audio intercarrier oscillator with an audio signal, mixes this modulated signal with a video carrier signal output from a video carrier oscillator, and outputs the mixture as an audio modulation signal. The audio intercarrier oscillator is supplied with power and driven in conjunction with power-on of the video device, and the video intercarrier oscillator is supplied with power and driven in conjunction with a playback operation of the video device. RF modulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12901186U JPS6335384U (en) | 1986-08-25 | 1986-08-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12901186U JPS6335384U (en) | 1986-08-25 | 1986-08-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6335384U true JPS6335384U (en) | 1988-03-07 |
Family
ID=31025202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12901186U Pending JPS6335384U (en) | 1986-08-25 | 1986-08-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6335384U (en) |
-
1986
- 1986-08-25 JP JP12901186U patent/JPS6335384U/ja active Pending
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