JPH0384933U - - Google Patents
Info
- Publication number
- JPH0384933U JPH0384933U JP14573289U JP14573289U JPH0384933U JP H0384933 U JPH0384933 U JP H0384933U JP 14573289 U JP14573289 U JP 14573289U JP 14573289 U JP14573289 U JP 14573289U JP H0384933 U JPH0384933 U JP H0384933U
- Authority
- JP
- Japan
- Prior art keywords
- reference signal
- generating means
- magnetic tape
- signal generating
- recording head
- 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 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
Description
第１図は本考案の一実施例に係る磁気テープの
走行制御装置の基準信号生成回路の概略構成を示
す回路図、第２図は本実施例の動作を説明するた
めのタイムチヤート、第３図は従来の磁気テープ
の走行制御装置を説明するための図、第４図は第
３図の磁気テープの走行制御装置の動作を説明す
るためのタイムチヤート、第５図は従来の磁気テ
ープの走行制御装置の問題点を説明するためのタ
イムチヤートである。
Ｔ……磁気テープ、Ｍ１，Ｍ２……リールモー
タ、１……記録ヘツド、２……再生ヘツド、５…
…基準信号生成回路、６……信号処理回路、７…
…モータ制御回路、１１……高周波発振器、１２
……分周器、１３……ＡＮＤ回路。
FIG. 1 is a circuit diagram showing a schematic configuration of a reference signal generation circuit of a magnetic tape running control device according to an embodiment of the present invention, FIG. 2 is a time chart for explaining the operation of this embodiment, and FIG. The figure is a diagram for explaining a conventional magnetic tape running control device, FIG. 4 is a time chart for explaining the operation of the magnetic tape running control device shown in FIG. 3, and FIG. This is a time chart for explaining problems with the travel control device. T...magnetic tape, M1 , M2 ...reel motor, 1...recording head, 2...playback head, 5...
...Reference signal generation circuit, 6... Signal processing circuit, 7...
...Motor control circuit, 11...High frequency oscillator, 12
...Frequency divider, 13...AND circuit.
Claims (1)
基準信号発生手段と、この基準信号発生手段から
の出力を受けて基準信号を走行中の磁気テープに
記録する記録ヘツドと、この記録ヘツドに後行し
且つ記録ヘツドにより記録された基準信号を再生
する再生ヘツドと、前記基準信号発生手段から出
力された基準信号と前記再生ヘツドにより再生さ
れた基準信号との位相差を検出しこの位相差に基
づいてリールモータの回転速度を制御するモータ
制御回路とを備えた磁気テープの走行制御装置に
おいて、前記基準信号発生手段は、高周波と所定
周期のパルスとを重畳することによつて基準信号
のエンベロープを形成するものであることを特徴
とする磁気テープの走行制御装置。 a reference signal generating means for outputting a reference signal for controlling the running of the magnetic tape; a recording head for receiving the output from the reference signal generating means and recording the reference signal on the running magnetic tape; and a recording head following the recording head. and a reproduction head for reproducing the reference signal recorded by the recording head, detecting a phase difference between the reference signal output from the reference signal generating means and the reference signal reproduced by the reproduction head, and detecting the phase difference between the reference signal output from the reference signal generating means and the reference signal reproduced by the reproduction head, and detecting the phase difference between the reference signal output from the reference signal generating means and the reference signal reproduced by the reproduction head, and In the magnetic tape running control device, the reference signal generating means generates an envelope of the reference signal by superimposing a high frequency and a pulse with a predetermined period. What is claimed is: 1. A magnetic tape running control device characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14573289U JPH0384933U (en) | 1989-12-18 | 1989-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14573289U JPH0384933U (en) | 1989-12-18 | 1989-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0384933U true JPH0384933U (en) | 1991-08-28 |
Family
ID=31692355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14573289U Pending JPH0384933U (en) | 1989-12-18 | 1989-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0384933U (en) |
-
1989
- 1989-12-18 JP JP14573289U patent/JPH0384933U/ja active Pending