JPH0323808U - - Google Patents
Info
- Publication number
- JPH0323808U JPH0323808U JP8357789U JP8357789U JPH0323808U JP H0323808 U JPH0323808 U JP H0323808U JP 8357789 U JP8357789 U JP 8357789U JP 8357789 U JP8357789 U JP 8357789U JP H0323808 U JPH0323808 U JP H0323808U
- Authority
- JP
- Japan
- Prior art keywords
- head
- recording
- heads
- dat device
- track pitch
- 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
- 238000010586 diagram Methods 0.000 description 6
Description
第１図はこの考案の実施例である４ヘツドＤＡ
Ｔ装置の概略を示す構成図、第２図ａは同４ヘツ
ドＤＡＴ装置における各ヘツドのヘツドドラム上
の周方向位置を示す該略図、第２図ｂは同４ヘツ
ドＤＡＴ装置における各ヘツドのヘツドドラム上
の高さ位置を示す該略図、第３図は同４ヘツドＤ
ＡＴ装置における各ヘツドの記録時のトラツクパ
ターンとの相対位置を示す図、第４図は同４ヘツ
ドＤＡＴ装置における各ヘツドの再生時のトラツ
クパターンとの相対位置を示す図、第５図は同４
ヘツドＤＡＴ装置における各ヘツドのアフレコ時
のトラツクパターンとの相対位置を示す図、第６
図は従来のＤＡＴ装置における各ヘツドの記録時
のトラツクパターンとの相対位置を示す図、第７
図は従来のＤＡＴ装置における各ヘツドの再生ま
たはアフレコ時のトラツクパターンとの相対位置
を示す図、第８図ａはＤＡＴ装置により磁気テー
プ上に記録されるトラツク内の領域配置を示す図
、第８図ｂは従来のＤＡＴ装置によりアフレコさ
れたトラツクパターンを示す図である。
１…記録回路、２…再生回路、３…サーボ回路
、４…ヘツドドラム、５…キヤプスタン、６…ピ
ンチローラ、７…テープ、８…リール。
Figure 1 shows a 4-head DA which is an embodiment of this invention.
FIG. 2a is a schematic diagram showing the circumferential position of each head on the head drum in the 4-head DAT device, and FIG. 2b is a diagram showing the circumferential position of each head on the head drum in the 4-head DAT device. This schematic diagram showing the height position of the 4th head D is shown in Fig. 3.
FIG. 4 is a diagram showing the relative position of each head in the AT device to the track pattern during recording, FIG. 4 is a diagram showing the relative position of each head in the four-head DAT device to the track pattern during reproduction, and FIG. 4
Figure 6 showing the relative position of each head in the head DAT device with respect to the track pattern during post-recording.
Figure 7 shows the relative position of each head in a conventional DAT device with respect to the track pattern during recording.
The figures show the relative positions of each head in a conventional DAT device with respect to a track pattern during playback or post-recording; FIG. FIG. 8b is a diagram showing a track pattern dubbed by a conventional DAT device. 1... Recording circuit, 2... Playback circuit, 3... Servo circuit, 4... Head drum, 5... Capstan, 6... Pinch roller, 7... Tape, 8... Reel.
Claims (1)
記録用ヘツドが１８０度対向して取付けられ、か
つ記録用ヘツドと同一のヘツド幅の２つの再生用
ヘツドが各々記録用ヘツドとは反時計回りに９０
度ずれて取付けられた上部ドラムを有する４ヘツ
ドＤＡＴ装置において、２つの記録用ヘツドを同
一高さに配置し、２つの再生用ヘツドを記録用ヘ
ツドの位置より3/4トラツクピツチだけ低い位置
に配置したことを特徴とする４ヘツドＤＡＴ装置
。 Two recording heads with a head width 1.5 times the track pitch are mounted 180 degrees opposite each other, and two reproduction heads with the same head width as the recording heads are mounted counterclockwise from the recording head. 90
In a four-head DAT device with an offset upper drum, the two recording heads are placed at the same height and the two playback heads are placed 3/4 track pitch lower than the recording head. A 4-head DAT device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8357789U JPH0323808U (en) | 1989-07-18 | 1989-07-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8357789U JPH0323808U (en) | 1989-07-18 | 1989-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0323808U true JPH0323808U (en) | 1991-03-12 |
Family
ID=31631363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8357789U Pending JPH0323808U (en) | 1989-07-18 | 1989-07-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0323808U (en) |
-
1989
- 1989-07-18 JP JP8357789U patent/JPH0323808U/ja active Pending