JPS604085U - Time base correction circuit for information signal reproducing device - Google Patents
Time base correction circuit for information signal reproducing deviceInfo
- Publication number
- JPS604085U JPS604085U JP9420983U JP9420983U JPS604085U JP S604085 U JPS604085 U JP S604085U JP 9420983 U JP9420983 U JP 9420983U JP 9420983 U JP9420983 U JP 9420983U JP S604085 U JPS604085 U JP S604085U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- reproducing device
- information signal
- output
- 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
Landscapes
- Television Signal Processing For Recording (AREA)
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図は従来の時間軸変動の補正装置を概略的に示す平
面図、第２図は第１図のアームストレッチャーコイルを
用いた従来の時間軸補正回路を示すブロック図、第３図
は本考案に係る情報信号再生装置の時間軸補正回路を示
すブロック図である。
５・・・・・・信号再生針、６・・・・・・ディスク、
１０・・・・・・ＦＭ検波回路、１１・・・・・・くし
形フィルタ、２３・・・・・・ＣＣＤ遅延線、２４・・
・・・・基準信号発振器、２５・・・・・・位相検波器
、２６・・・・・・周波数検波器、２７・・・・・効目
算器、２８・・・・・・電圧制御発振器。FIG. 1 is a plan view schematically showing a conventional time axis fluctuation correction device, FIG. 2 is a block diagram showing a conventional time axis correction circuit using the arm stretcher coil of FIG. 1, and FIG. FIG. 3 is a block diagram showing a time axis correction circuit of the information signal reproducing device according to the present invention. 5...Signal reproduction needle, 6...Disc,
10...FM detection circuit, 11...Comb filter, 23...CCD delay line, 24...
...Reference signal oscillator, 25 ... Phase detector, 26 ... Frequency detector, 27 ... Effect calculator, 28 ... Voltage controlled oscillator .
Claims (1)
る復調回路と、前記ビデオ信号から搬送色信号を分離す
る信号分離回路と、基準信号発振器からの基準信号と前
記搬送色信号とを位相比較する位相検波器と、前記搬送
色信号を周波数検波する周波数検波器と、前記位相検波
器出力と前記周波数検波器出力との両者の検波出力を加
算する加算器と、この加算器出力にて発振周波数が制御
される電圧制御発振器と、この発振器出力に基づいて前
記復調回路にて復調されたビデオ信号の遅延時間が制御
される遅延回路とを具備し、この遅延回路にて前記ビデ
オ信号の時間軸変動を補正するようにしたことを特徴と
する情報信号再生装置の時間軸補正回路。a demodulation circuit that demodulates a video signal from a recording signal detected from a recording medium; a signal separation circuit that separates a carrier color signal from the video signal; and a phase comparison circuit that compares the phase of a reference signal from a reference signal oscillator and the carrier color signal. a detector, a frequency detector that frequency-detects the carrier color signal, an adder that adds the detection outputs of both the phase detector output and the frequency detector output, and an oscillation frequency that is determined by the output of the adder. It comprises a voltage controlled oscillator that is controlled, and a delay circuit that controls the delay time of the video signal demodulated by the demodulation circuit based on the output of the oscillator, and the delay circuit controls the time axis fluctuation of the video signal. A time axis correction circuit for an information signal reproducing device, characterized in that the circuit corrects the time axis of an information signal reproducing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9420983U JPS604085U (en) | 1983-06-21 | 1983-06-21 | Time base correction circuit for information signal reproducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9420983U JPS604085U (en) | 1983-06-21 | 1983-06-21 | Time base correction circuit for information signal reproducing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS604085U true JPS604085U (en) | 1985-01-12 |
Family
ID=30225613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9420983U Pending JPS604085U (en) | 1983-06-21 | 1983-06-21 | Time base correction circuit for information signal reproducing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS604085U (en) |
-
1983
- 1983-06-21 JP JP9420983U patent/JPS604085U/en active Pending
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