JPS6017076U - 2 system VTR color signal frequency conversion circuit - Google Patents
2 system VTR color signal frequency conversion circuitInfo
- Publication number
- JPS6017076U JPS6017076U JP10915283U JP10915283U JPS6017076U JP S6017076 U JPS6017076 U JP S6017076U JP 10915283 U JP10915283 U JP 10915283U JP 10915283 U JP10915283 U JP 10915283U JP S6017076 U JPS6017076 U JP S6017076U
- Authority
- JP
- Japan
- Prior art keywords
- color signal
- frequency conversion
- conversion circuit
- signal frequency
- color
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のＰＡＬカラーＶＴＲとＳＥＣＡＭカラー
ＶＴＲに於けるカラー信号周波数変換回路の周波数説明
図、第２図は本考案の一実施例に係るカラー信号周波数
変換回路の周波数説明図、第３図は同回路ブロック図を
それぞれ顕わす。
主な図番の説明、１・・・・・・発振回路、７・・・・
・・メインコンバータ、６・・・・・・サブコンバータ
。FIG. 1 is a frequency explanatory diagram of a color signal frequency conversion circuit in a conventional PAL color VTR and SECAM color VTR, FIG. 2 is a frequency explanatory diagram of a color signal frequency conversion circuit according to an embodiment of the present invention, and FIG. The figures each show a block diagram of the same circuit. Explanation of main figure numbers, 1...Oscillation circuit, 7...
...Main converter, 6...Sub converter.
Claims (1)
域変換し再生時にはカラー信号を高域変換するメインコ
ンバータと、ＰＡＬカラー信号サブキャリア周波数で発
振する発振回路と、ＰＡＬカラ一方式又はＳＥＣＡＭカ
ラ一方式に応じて出力周波数を変更するＡＦＣ回路と、
前記発振回路出力と前記ＡＦＣ回路出力を入力して前記
周波数変換キャリアを導出するサブコンバータとより成
る２システムＶＴＲのカラー信号周波数変換回路。A main converter that inputs a frequency conversion carrier and converts the color signal to a low frequency band during recording and high frequency conversion of the color signal during playback, an oscillation circuit that oscillates at the PAL color signal subcarrier frequency, and a PAL color one-way system or a SECAM color one-way system. an AFC circuit that changes the output frequency according to the
A color signal frequency conversion circuit for a two-system VTR, comprising a sub-converter inputting the oscillation circuit output and the AFC circuit output to derive the frequency conversion carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10915283U JPS6017076U (en) | 1983-07-13 | 1983-07-13 | 2 system VTR color signal frequency conversion circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10915283U JPS6017076U (en) | 1983-07-13 | 1983-07-13 | 2 system VTR color signal frequency conversion circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6017076U true JPS6017076U (en) | 1985-02-05 |
Family
ID=30254381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10915283U Pending JPS6017076U (en) | 1983-07-13 | 1983-07-13 | 2 system VTR color signal frequency conversion circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6017076U (en) |
-
1983
- 1983-07-13 JP JP10915283U patent/JPS6017076U/en active Pending
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