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1.发明授权Magnetic head for a video tape recorder having optimized core tip gap distance and radius of curvature 失效磁头用于具有优化的芯尖间隙距离和曲率半径的磁带录像机
公开(公告)号：US5034840A
公开(公告)日：1991-07-23
申请号：US442745
申请日：1989-11-28
申请人： Chiaki Kera , Toru Tanaka
发明人： Chiaki Kera , Toru Tanaka
摘要： A magnetic head for a video tape recorder including a mounting base and two transducer elements comprised of a pair of core tips mounted to one end of the mounting base with a small non-transducing gap defined between the core tips. Each of the core tips has a tape sliding surface on which a magnetic tape is slidingly traveled. A radius of curvature R (mm) of the tape sliding surface and a distance W (mm) between the tape sliding surfaces are so set as to satisfy the conditions of 19.5-20W .ltoreq.R.ltoreq.21.5-20W and 0.15.ltoreq.W.ltoreq.0.45. Accordingly, a quantity of sinking of the magnetic tape at the gap between both the core tips is limited to thereby reduce a noise in a special reproducing operation such as a reverse video search operation.
摘要翻译： 一种用于录像机的磁头，包括安装基座和两个换能器元件，两个换能器元件包括一对芯尖，安装在安装基座的一端，并在芯尖之间限定有小的非换能间隙。 每个芯尖具有磁带滑动表面，磁带在其上滑动行进。 带滑动面的曲率半径R（mm）和带滑动面之间的距离W（mm）被设定为满足条件19.5-20W≤R≤21.5-20W和0.15 < /=W
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