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公开(公告)号：EP0633561A3
公开(公告)日：1996-10-23
申请号：EP94109799.0
申请日：1994-06-24
申请人： HITACHI, LTD.
IPC分类号： G11B5/53
摘要： The present invention provides a small-sized multichannel rotary magnetic head apparatus suitable for use in digital video-tape-recorders for public welfare. This rotary magnetic head apparatus is comprised of a motor 1, a rotating drum 8 mounted on a rotating shaft 2 of the motor 1, a head base 9, a plurality of magnetic heads 10a to 10d mounted on the head base 9, and a fixed or stationary drum 4 located coaxially with the rotating drum 8 and the head base 9. The magnetic heads 10a to 10d are mounted on the lower surface of the head base 9, and adjustment of the difference in the levels of the magnetic heads is made by bringing level difference adjusting screws 16 screwed into the rotating drum 8 into contact with the upper surface of the head base 9. The level difference adjusting screws 16 may be provided on the head base 9 itself. Further, in addition to the level difference adjusting screws 16, screws for adjusting the distance between the adjacent magnetic heads may be provided.
摘要翻译： 本发明提供一种适用于公共福利的数字录像机的小型多声道旋转磁头装置。 该旋转磁头装置由电动机1，安装在电动机1的旋转轴2上的旋转鼓8，头基部9，安装在头基部9上的多个磁头10a〜10d，固定 或固定鼓4，其与旋转鼓8和头部基座9同轴设置。磁头10a至10d安装在头部基座9的下表面上，并且磁头的水平差的调节由 将水平差调节螺钉16拧入旋转鼓8中以与头部基座9的上表面接触。水平差调节螺钉16可以设置在头部基座9本身上。 此外，除了液位差调节螺钉16之外，还可以设置用于调节相邻磁头之间的距离的螺钉。
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公开(公告)号：EP0633561A2
公开(公告)日：1995-01-11
申请号：EP94109799.0
申请日：1994-06-24
申请人： HITACHI, LTD.
IPC分类号： G11B5/53
摘要： The present invention provides a small-sized multichannel rotary magnetic head apparatus suitable for use in digital video-tape-recorders for public welfare. This rotary magnetic head apparatus is comprised of a motor 1, a rotating drum 8 mounted on a rotating shaft 2 of the motor 1, a head base 9, a plurality of magnetic heads 10a to 10d mounted on the head base 9, and a fixed or stationary drum 4 located coaxially with the rotating drum 8 and the head base 9. The magnetic heads 10a to 10d are mounted on the lower surface of the head base 9, and adjustment of the difference in the levels of the magnetic heads is made by bringing level difference adjusting screws 16 screwed into the rotating drum 8 into contact with the upper surface of the head base 9. The level difference adjusting screws 16 may be provided on the head base 9 itself. Further, in addition to the level difference adjusting screws 16, screws for adjusting the distance between the adjacent magnetic heads may be provided.
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