JPH045787U - - Google Patents
Info
- Publication number
- JPH045787U JPH045787U JP4593090U JP4593090U JPH045787U JP H045787 U JPH045787 U JP H045787U JP 4593090 U JP4593090 U JP 4593090U JP 4593090 U JP4593090 U JP 4593090U JP H045787 U JPH045787 U JP H045787U
- Authority
- JP
- Japan
- Prior art keywords
- delay circuit
- signal
- clock signal
- depending
- delay
- 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
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Description
第１図は本考案によるビデオテープレコーダの
第１実施例を示すブロツク図、第２図は本考案の
第２実施例を示すブロツク図、第３図は本考案の
第３実施例を示すブロツク図、第４図は従来のク
ロストークキヤンセラのブロツク図、第５図及び
第６図はそれぞれ従来の欠点の説明に供する信号
波形図である。
１０……ＣＣＤ構成の遅延回路、２０……電圧
制御型発振器（ＶＣＯ）。
FIG. 1 is a block diagram showing a first embodiment of a video tape recorder according to the present invention, FIG. 2 is a block diagram showing a second embodiment of the present invention, and FIG. 3 is a block diagram showing a third embodiment of the present invention. 4 are block diagrams of a conventional crosstalk canceller, and FIGS. 5 and 6 are signal waveform diagrams for explaining the drawbacks of the conventional crosstalk canceller. 10... CCD configuration delay circuit, 20... Voltage controlled oscillator (VCO).
Claims (1)
る遅延回路として、入力されるクロツク信号によ
つてその遅延量が変化するものを適用すると共に
、クロツク発生回路が、ドラムの位相エラー信号
、又は、再生輝度信号の水平同期位相に応じて、
上記遅延回路に与えるクロツク信号の周期を変え
るようにしたことを特徴とするビデオテープレコ
ーダ。 As a delay circuit in a crosstalk canceler for a color signal reproduction system, a delay circuit whose delay amount changes depending on the input clock signal is used, and the clock generation circuit uses a drum phase error signal or a reproduced luminance signal. Depending on the horizontal synchronization phase of
A video tape recorder characterized in that the period of the clock signal applied to the delay circuit is changed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4593090U JPH045787U (en) | 1990-04-27 | 1990-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4593090U JPH045787U (en) | 1990-04-27 | 1990-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH045787U true JPH045787U (en) | 1992-01-20 |
Family
ID=31560552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4593090U Pending JPH045787U (en) | 1990-04-27 | 1990-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH045787U (en) |
-
1990
- 1990-04-27 JP JP4593090U patent/JPH045787U/ja active Pending
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