JPS6349636U

JPS6349636U -

Info

Publication number: JPS6349636U
Application number: JP14265486U
Authority: JP
Priority date: 1986-09-19
Filing date: 1986-09-19
Publication date: 1988-04-04

Description

[Brief explanation of the drawing]

第１図は本考案の原理を示す図、第２図は本考
案の実施例、第３図は本考案により記録する信号
を再生するヘリカルスキヤン磁気記録再生装置の
例を示す図である。１……回転ドラム、２……回転位相検出器、３
……位相比較器、４……回転位相制御手段、５…
…入力端子、６……入力端子からの信号を位相比
較器に印加する手段。 FIG. 1 is a diagram showing the principle of the present invention, FIG. 2 is a diagram showing an embodiment of the present invention, and FIG. 3 is a diagram showing an example of a helical scan magnetic recording/reproducing apparatus for reproducing signals recorded according to the present invention. 1... Rotating drum, 2... Rotating phase detector, 3
...Phase comparator, 4...Rotary phase control means, 5...
...input terminal, 6...means for applying the signal from the input terminal to the phase comparator.

Claims

[Claims for Utility Model Registration] A rotating drum 1 equipped with a magnetic head, and a rotational phase detector 2 for detecting the rotational phase of this rotating drum.
and the rotational phase detection output PG of this rotational phase detector.
a phase comparator 3 that compares the phase of the rotational drum with a rotational reference signal R that provides a reference for the rotational phase of the rotating drum;
In a helical scan magnetic recording apparatus comprising means 4 for controlling the rotational phase of the rotary drum by the output of the phase comparator, an input terminal 5 for inputting the rotational reference signal; A helical scan magnetic recording device further comprising: means 6 for applying an voltage to a comparator;