JPS6170471U - - Google Patents
Info
- Publication number
- JPS6170471U JPS6170471U JP15530484U JP15530484U JPS6170471U JP S6170471 U JPS6170471 U JP S6170471U JP 15530484 U JP15530484 U JP 15530484U JP 15530484 U JP15530484 U JP 15530484U JP S6170471 U JPS6170471 U JP S6170471U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- video
- audio
- detection
- modulator
- 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
- 230000005236 sound signal Effects 0.000 claims 3
- 230000003321 amplification Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 1
Landscapes
- Television Receiver Circuits (AREA)
- Television Signal Processing For Recording (AREA)
Description
第１図は本考案をＶＴＲに実施した概略ブロツ
ク図である。第２図は従来のベータハイフアイの
周波数スペクトラムを表わす図である。
３……音声ＦＭ変調器、４……ＦＭ音声増幅回
路（増幅回路）、５……検出回路、１０……映像
ＦＭ変調器、１３……ＦＭ映像増幅回路（増幅回
路）、１６……多重回路、１８ａ，１８ｂ……ビ
デオヘツド（記録部）。
FIG. 1 is a schematic block diagram of the present invention implemented in a VTR. FIG. 2 is a diagram showing the frequency spectrum of a conventional beta high eye. 3...Audio FM modulator, 4...FM audio amplification circuit (amplification circuit), 5...Detection circuit, 10...Video FM modulator, 13...FM video amplification circuit (amplification circuit), 16...Multiplexing Circuit, 18a, 18b...video head (recording section).
Claims (1)
る音声ＦＭ変調器と、 映像信号をＦＭ変調してＦＭ映像信号を導出す
る映像ＦＭ変調器と、 前記ＦＭ音声信号と前記ＦＭ映像信号を多重し
多重信号を出力する多重回路と、 前記多重信号を記録する記録部とを、 備える音声映像ＦＭ多重記録装置に於いて、 前記映像信号の垂直ブランキング期間を検出し
検出信号を出力する検出回路と、 前記検出信号により映像ＦＭ信号のレベルに対
し前記音声ＦＭ信号のレベルを増幅する増幅回路
とを、 備えることを特徴とする映像音声ＦＭ多重記録
装置。[Claims for Utility Model Registration] An audio FM modulator that FM modulates an audio signal to derive an FM audio signal; a video FM modulator that FM modulates a video signal to derive an FM video signal; and the FM audio signal. and a multiplexing circuit that multiplexes the FM video signal and outputs the multiplexed signal, and a recording unit that records the multiplexed signal. A video and audio FM multiplex recording device comprising: a detection circuit that outputs a detection signal; and an amplifier circuit that amplifies the level of the audio FM signal relative to the level of the video FM signal using the detection signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15530484U JPS6170471U (en) | 1984-10-15 | 1984-10-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15530484U JPS6170471U (en) | 1984-10-15 | 1984-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6170471U true JPS6170471U (en) | 1986-05-14 |
Family
ID=30713305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15530484U Pending JPS6170471U (en) | 1984-10-15 | 1984-10-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6170471U (en) |
-
1984
- 1984-10-15 JP JP15530484U patent/JPS6170471U/ja active Pending
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