JPH032441U - - Google Patents
Info
- Publication number
- JPH032441U JPH032441U JP6019289U JP6019289U JPH032441U JP H032441 U JPH032441 U JP H032441U JP 6019289 U JP6019289 U JP 6019289U JP 6019289 U JP6019289 U JP 6019289U JP H032441 U JPH032441 U JP H032441U
- Authority
- JP
- Japan
- Prior art keywords
- capstan servo
- offset
- signal
- review operation
- circuit
- 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 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
Description
第１図は本考案の一実施例を示す回路構成図、
第２図は従来例及び前記実施例における主要波形
を示すタイムチヤート、第３図は従来例及び前記
実施例におけるトラツク上のヘツドの動きを示す
説明図、第４図及び第５図は従来装置を示す回路
構成図、第６図は従来例の主要部の波形を示すタ
イムチヤートである。
１０，１２，ＨＡ……ヘツド、２６……同期検
出回路、２８……パイロツトエンベロープ検出回
路、３０，３４……サンプルホールド回路、３２
……オペアンプ、３６……反転増幅器、４０……
キヤプスタンモータ、４４……ＦＶ変換回路、４
６……加算器、６０……テープ、６２……加算器
、６４……スイツチ、６６……電源、Ｔ１〜Ｔ６
……トラツク、Ｒ１，Ｒ２……軌跡。
FIG. 1 is a circuit diagram showing an embodiment of the present invention;
FIG. 2 is a time chart showing the main waveforms in the conventional example and the above embodiment, FIG. 3 is an explanatory diagram showing the movement of the head on the track in the conventional example and the above embodiment, and FIGS. 4 and 5 are the conventional apparatus. FIG. 6 is a time chart showing the waveforms of the main parts of the conventional example. 10, 12, HA...Head, 26...Synchronization detection circuit, 28...Pilot envelope detection circuit, 30, 34...Sample hold circuit, 32
...Operation amplifier, 36...Inverting amplifier, 40...
Capstan motor, 44...FV conversion circuit, 4
6... Adder, 60... Tape, 62... Adder, 64... Switch, 66... Power supply, T1 to T6
...Truck, R1, R2...trajectory.
Claims (1)
タを再生して得られたＡＴＦの誤差信号をキヤプ
スタンサーボループに加えてヘツドのトラツキン
グを行ないつつレビユー動作が行なわれるＲ−Ｄ
ＡＴのキヤプスタンサーボ装置において、 レビユー動作時に所定のオフセツトを前記誤差
信号に加えるオフセツト回路と、オフセツトが加
えられた誤差電圧を通常再生時と同様の極性で前
記キヤプスタンサーボループに加える信号印加回
路とを備えたことを特徴とするＲ−ＤＡＴのキヤ
プスタンサーボ装置。[Claims for Utility Model Registration] A review operation is performed while tracking the head by adding the ATF error signal obtained by reproducing the data of the signal track on which azimuth recording has been performed to the capstan servo loop. -D
An AT capstan servo device includes an offset circuit that adds a predetermined offset to the error signal during review operation, and a signal that applies the error voltage to which the offset has been added to the capstan servo loop with the same polarity as during normal playback. An R-DAT capstan servo device characterized by comprising an application circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6019289U JPH032441U (en) | 1989-05-24 | 1989-05-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6019289U JPH032441U (en) | 1989-05-24 | 1989-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH032441U true JPH032441U (en) | 1991-01-11 |
Family
ID=31587342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6019289U Pending JPH032441U (en) | 1989-05-24 | 1989-05-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH032441U (en) |
-
1989
- 1989-05-24 JP JP6019289U patent/JPH032441U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH032441U (en) | ||
| MY117756A (en) | Magnetic tape and a method for recording and reproducing a plurality of different information signals on and from the magnetic tape. | |
| JPH0376234U (en) | ||
| JPS6211264U (en) | ||
| JPS63168638U (en) | ||
| JPS5920456U (en) | magnetic recording and reproducing device | |
| GB914069A (en) | Improvements in reproducing and recording-reproducing systems | |
| JPS6030835Y2 (en) | magnetic recording and reproducing device | |
| JPS62142737U (en) | ||
| JPH02101686A (en) | Magnetic disk device | |
| JPS6347489U (en) | ||
| JPS61140475U (en) | ||
| JPS5614785A (en) | Magnetic recording and reproducing device | |
| JPH0181730U (en) | ||
| JPS6020812B2 (en) | magnetic recording device | |
| JPS6290403U (en) | ||
| JPH0398705U (en) | ||
| JPS6248029U (en) | ||
| JPS61130039U (en) | ||
| JPS6056939U (en) | magnetic tape playback device | |
| JPS63184473U (en) | ||
| JPS6064402U (en) | magnetic recording and reproducing device | |
| JPS61105987U (en) | ||
| JPH0159925U (en) | ||
| JPS6070975U (en) | Recorded information reproducing device |