JPH0486232U - - Google Patents
Info
- Publication number
- JPH0486232U JPH0486232U JP12927890U JP12927890U JPH0486232U JP H0486232 U JPH0486232 U JP H0486232U JP 12927890 U JP12927890 U JP 12927890U JP 12927890 U JP12927890 U JP 12927890U JP H0486232 U JPH0486232 U JP H0486232U
- Authority
- JP
- Japan
- Prior art keywords
- envelope
- circuit
- track
- holds
- adjustment
- 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 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Description
第１図は本考案を説明するための概略ブロツク
図、第２図は本考案の実施例を説明するための信
号波形図である。
１……回転ヘツドシリンダ、２，３……記録再
生ヘツド、４……再生アンプ、５……エンベロー
プ検出回路、６……第１ホールド回路、７……第
２ホールド回路、８……レベル比較器。
FIG. 1 is a schematic block diagram for explaining the present invention, and FIG. 2 is a signal waveform diagram for explaining an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Rotating head cylinder, 2, 3... Recording/reproducing head, 4... Playback amplifier, 5... Envelope detection circuit, 6... First hold circuit, 7... Second hold circuit, 8... Level comparison vessel.
Claims (1)
成し、再生時に磁気ヘツドが前記トラツクの中央
をトレースするようにトラツキングを行うＲ−Ｄ
ＡＴに於て、 トラツクピツチが１．５倍で単一周波数の走行
調整用テープを再生する際にエンベロープの有無
を検出するエンベロープ検出回路と、エンベロー
プのピークレベルをホールドする第１ホールド回
路と、エンベロープの最小レベルをホールドする
第２ホールド回路と、ピークレベルと最小レベル
を比較する比較回路とを備え、走行調整を行うこ
とを特徴としたＲ−ＤＡＴの走行調整回路。[Claims for Utility Model Registration] R-D in which an inclined track is formed on a magnetic tape during recording, and tracking is performed so that the magnetic head traces the center of the track during playback.
The AT includes an envelope detection circuit that detects the presence or absence of an envelope when playing a single-frequency travel adjustment tape with a track pitch of 1.5 times, a first hold circuit that holds the peak level of the envelope, and an envelope 1. A running adjustment circuit for an R-DAT, comprising: a second hold circuit that holds a minimum level; and a comparison circuit that compares a peak level and a minimum level; and performs running adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12927890U JPH0486232U (en) | 1990-11-30 | 1990-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12927890U JPH0486232U (en) | 1990-11-30 | 1990-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0486232U true JPH0486232U (en) | 1992-07-27 |
Family
ID=31876687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12927890U Pending JPH0486232U (en) | 1990-11-30 | 1990-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0486232U (en) |
-
1990
- 1990-11-30 JP JP12927890U patent/JPH0486232U/ja active Pending
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