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公开(公告)号：US3681525A
公开(公告)日：1972-08-01
申请号：US3681525D
申请日：1971-02-17
Applicant: VICTOR COMPANY OF JAPAN
Inventor： WADA YOSHIYO , KINJO HISAO , TAKASHIMA SEIICHI , AKUWA FUMIO
CPC classification number: H02K37/22
Abstract: A digital rotation or stepping motor contains oil of suitable viscosity which fills the space between a rotor and a stator. The motor is digitally and intermittently stepped in response to input pulses. The viscosity of the oil is selected to prevent a hunting which might otherwise be produced when the rotor stops its intermittent rotation.
Abstract translation: 数字旋转或步进电机包含适当粘度的油，其填充转子和定子之间的空间。 电机响应于输入脉冲数字和间歇地步进。 选择油的粘度以防止当转子停止其间歇旋转时可能产生的打击。
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公开(公告)号：US3655910A
公开(公告)日：1972-04-11
申请号：US3655910D
申请日：1969-08-12
Applicant: VICTOR COMPANY OF JAPAN
Inventor： WADA YOSHIYO , YASUTAKE KATSUYA
IPC: G11B27/029 , G11B27/32 , G11B27/02 , H04N5/78
CPC classification number: G11B27/32 , G11B27/029
Abstract: A magnetic recording and reproducing apparatus in which a cue signal or other detection pulse signal is recorded on a magnetic tape. The cue signal marks a timing point for editing signals recorded on the magnetic tape, while the movement of the magnetic tape is temporarily stopped. A recorded detection pulse signal is reproduced at a relative speed, with respect to the tape speed, in editing the signals while the magnetic tape is moving. Thus, the editing point can be detected positively and easily.
Abstract translation: 一种其中提示信号或其他检测脉冲信号被记录在磁带上的磁记录和再现装置。 提示信号标记用于编辑记录在磁带上的信号的定时点，同时磁带的移动暂时停止。 在磁带移动时编辑信号时，以相对于磁带速度的相对速度再现记录的检测脉冲信号。 因此，可以积极且容易地检测编辑点。
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3.发明授权Apparatus for guiding and driving a tape for magnetic recording and reproducing in oblique tracks 失效用于引导和驱动磁带记录和复制在轨迹中的装置
公开(公告)号：US3474195A
公开(公告)日：1969-10-21
申请号：US3474195D
申请日：1965-11-29
Applicant: VICTOR COMPANY OF JAPAN
Inventor： WADA YOSHIYO
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Patent Agency Ranking
公开(公告)号：US3673352A
公开(公告)日：1972-06-27
申请号：US3673352D
申请日：1970-07-09
Applicant: VICTOR COMPANY OF JAPAN
Inventor： WADA YOSHIYO , KINJO HISAO , SUZUKI TOSHI , AKUWA FUMIO
Abstract: A magnetic head assembly comprises at least one resilient filmlike member held in tension over a drum-shaped support. A magnetic head holder and at least one head core are provided on an upper resilient member. The head core can follow the variation of contact caused by an uneveness of the magnetic surface of a magnetic medium.
Abstract translation: 一种磁头组件包括至少一个弹性薄膜状构件，该构件保持在鼓状支撑件上方。 一个磁头保持器和至少一个头部磁芯设置在上部弹性部件上。 磁头磁芯可以跟随由磁性介质的磁性表面的不均匀性引起的接触的变化。
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5.发明授权
公开(公告)号：US3621149A
公开(公告)日：1971-11-16
申请号：US3621149D
申请日：1969-08-12
Applicant: VICTOR COMPANY OF JAPAN
Inventor： WADA YOSHIYO , YASUTAKE KATSUYA
CPC classification number: G11B15/43
Abstract: A magnetic tape tension control system is shown for magnetic recording and reproducing apparatus of the so-called double capstan type in which a magnetic tape is moved by two capstans driven by a single motor through belts. The control system keeps a constant tension on the portion of the magnetic tape which is between the two capstans irrespective of the direction in which the tape is moved. This is done by varying the tension of the tape on the takeup reel side or supply reel side depending on whether the tape is moved in a normal direction or a reverse direction.
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公开(公告)号：US3679822A
公开(公告)日：1972-07-25
申请号：US3679822D
申请日：1970-05-22
Applicant: VICTOR COMPANY OF JAPAN
Inventor： WADA YOSHIYO , KINJO HISAO , OKANA KEIGO
CPC classification number: H04N5/94
Abstract: The system compensates for an absence of a reproduced signal in one channel with a portion of a reproduced signal in another channel. The compensating signal contains its information which is interrelated with that of the signal absence portion. The compensation is performed by a switching pulse having its width corresponding to an interval of the signal absence portion.
Abstract translation: 该系统补偿在一个通道中不存在再生信号的一部分在另一个通道中。 补偿信号包含与信号不存在部分相关的信息。 补偿由具有对应于信号不存在部分的间隔的宽度的开关脉冲执行。
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公开(公告)号：US3580446A
公开(公告)日：1971-05-25
申请号：US3580446D
申请日：1969-08-14
Applicant: VICTOR COMPANY OF JAPAN
Inventor： WADA YOSHIYO , YASUTAKE KATSUYA , TERAO YOSHIKAZU
Abstract: A magnetic tape movement-initiation system which causes two magnetic tape drive means to operate such that one means is actuated with a time lag with respect to the other means. Said two magnetic tape drive means are mounted in the path of travel of a magnetic tape paid out from a supply reel and wound on a takeup reel such that one means is disposed on the supply reel side and the other means is disposed on the takeup reel side with respect to magnetic heads which are brought into contact with the magnetic tape.
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公开(公告)号：US3423541A
公开(公告)日：1969-01-21
申请号：US3423541D
申请日：1964-10-28
Applicant: VICTOR COMPANY OF JAPAN
Inventor： WADA YOSHIYO
CPC classification number: G11B15/43 , G11B15/61 , Y10T137/86895
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