JPH0464885U - - Google Patents
Info
- Publication number
- JPH0464885U JPH0464885U JP10592690U JP10592690U JPH0464885U JP H0464885 U JPH0464885 U JP H0464885U JP 10592690 U JP10592690 U JP 10592690U JP 10592690 U JP10592690 U JP 10592690U JP H0464885 U JPH0464885 U JP H0464885U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- pal
- secam
- video signal
- switch
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 230000001934 delay Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例を示す回路図である
。
１……第１のスイツチ、５……スキユー検出回
路、６……第２のスイツチ、７……遅延素子。
FIG. 1 is a circuit diagram showing an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... First switch, 5... Skew detection circuit, 6... Second switch, 7... Delay element.
Claims (1)
ツドを有し、ＰＡＬ／ＳＥＣＡＭ信号およびＮＴ
ＳＣ信号の記録、再生を行う磁気記録再生装置に
おいて、 入力ビデオ信号を０．３２Ｈ（Ｈは水平走査期
間）で遅延させる遅延素子と、 入力ビデオ信号に基づいてＰＡＬ／ＳＥＣＡＭ
モードのスキユーを検出するスキユー検出回路と
、 ＮＴＳＣモード時にはプリアンプ系から導かれ
るヘツド選択信号を、ＰＡＬ／ＳＥＣＡＭモード
時には前記スキユー検出回路の検出信号を各々選
択する第１のスイツチと、 前記第１のスイツチで選択された信号に基づい
て、前記遅延素子でビデオ信号を遅延した信号と
、ビデオ信号の原信号とを切換える第２のスイツ
チとを備えたことを特徴とする磁気記録再生装置
。[Claims for Utility Model Registration] It has a double azimuth head for PAL/SECAM signals, and has a double azimuth head for PAL/SECAM signals and NT
A magnetic recording and reproducing device that records and reproduces SC signals includes a delay element that delays an input video signal by 0.32H (H is a horizontal scanning period), and a PAL/SECAM based on the input video signal.
a skew detection circuit that detects mode skew; a first switch that selects a head selection signal derived from a preamplifier system in the NTSC mode and a detection signal of the skew detection circuit in the PAL/SECAM mode; A magnetic recording/reproducing device comprising: a second switch that switches between a signal obtained by delaying the video signal by the delay element and an original signal of the video signal based on a signal selected by the switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10592690U JP2532870Y2 (en) | 1990-10-11 | 1990-10-11 | Magnetic recording / reproducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10592690U JP2532870Y2 (en) | 1990-10-11 | 1990-10-11 | Magnetic recording / reproducing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0464885U true JPH0464885U (en) | 1992-06-04 |
| JP2532870Y2 JP2532870Y2 (en) | 1997-04-16 |
Family
ID=31851814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10592690U Expired - Lifetime JP2532870Y2 (en) | 1990-10-11 | 1990-10-11 | Magnetic recording / reproducing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2532870Y2 (en) |
-
1990
- 1990-10-11 JP JP10592690U patent/JP2532870Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2532870Y2 (en) | 1997-04-16 |
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