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    • 21. 发明授权
    • Bi-directional tape recorder with pivoted magnetic head
    • 带枢轴磁头的双向磁带录音机
    • US5018034A
    • 1991-05-21
    • US334489
    • 1989-04-07
    • Shinsaku TanakaToshio Yoshimura
    • Shinsaku TanakaToshio Yoshimura
    • G11B5/41G11B5/55G11B5/56
    • G11B5/5517G11B5/00821G11B5/41G11B5/5504G11B5/56
    • A bi-directional tape recorder wherein abrasion of portions of a magnetic head on the opposite sides of the air gap is reduced and "soil" sticking to a tape contacting face of the magnetic head is automatically removed to attain elongation of the life of the magnetic head. The magnetic head is changed over between a pair of positions inclined with respect to a fixed axis perpendicular to the tape feeding direction by a shiftable member which is shifted in one or the other direction in response to reversing operation of the tape feeding direction. The magnetic head is connected to be moved in a widthwise direction of a magnetic tape by the shiftable member to allow reproduction of a pair of regenerative tracks of the magnetic tape. A pair of azimuth adjusting mechanisms are provided on the opposite sides of the magnetic head for making azimuth adjustment of the magnetic head independently of each other, and one of them is associated with the shiftable member.
    • 一种双向磁带记录器,其中在气隙的相对侧上的磁头的部分磨损减少,并且自动移除粘附到磁头的磁带接触面的“污垢”,以使磁体的寿命延长 头。 磁头在相对于垂直于带馈送方向的固定轴倾斜的一对位置之间通过响应于送带方向的反向操作沿一个或另一个方向移位的可移动构件而转换。 磁头通过可移动构件连接成在磁带的宽度方向上移动,以允许再现磁带的一对再生轨迹。 一对方位调节机构设置在磁头的相对侧上,用于使磁头的方位调整彼此独立,并且其中一个与可移动构件相关联。
    • 22. 发明授权
    • Cassette tape recorder having a tape cassette ejector and head shifter
with common drive mechanism
    • 盒式录音机具有带盒式弹射器和具有公共驱动机构的头部移位器
    • US4885648A
    • 1989-12-05
    • US178350
    • 1988-04-06
    • Toshio Yoshimura
    • Toshio Yoshimura
    • G11B15/10G11B15/18G11B15/675
    • G11B15/1883G11B15/67557
    • A cassette tape recorder wherein a tape cassette ejecting mechanism and a magnetic head shifting mechanism are alternatively driven by a common driving mechanism of a simple construction including a tape feeding drive motor. The tape recorder includes a selectively engaging mechanism which operates by a predetermined amount when actuated, and a driving force transmitting member which is operated by the selectively engaging mechanism and moved between first and second positions by a head holding mechanism. When a tape cassette is to be ejected, the driving force transmitting member is moved to the first position in which it operates an ejecting mechanism. When a tape cassette is loaded into an operative position, the driving force transmitting member is moved to the second position in which it operates a head shifting mechanism to shift a magnetic head and a pinch roller to their operative positions at which they are thereafter held by the head holding mechanism. When the tape recorder is to be stopped, the head shifting mechanism is released from the head holding mechanism and returns to its inoperative position.
    • 一种盒式磁带录像机,其中磁带盒排出机构和磁头移动机构由包括带式传送电动机的简单结构的公共驱动机构交替驱动。 磁带记录器包括一个选择性接合机构,当被致动时操作预定的数量;以及驱动力传递部件,该驱动力传递部件由选择性接合机构操作并通过磁头保持机构在第一和第二位置之间移动。 当要将磁带盒弹出时,驱动力传递部件移动到其操作弹出机构的第一位置。 当磁带盒被装载到操作位置时,驱动力传递部件被移动到第二位置,在该位置操作磁头移位机构以将磁头和夹送辊移动到它们之后的操作位置, 头部保持机构。 当磁带录像机停止时,磁头移位机构从磁头保持机构释放并返回到其不工作位置。
    • 25. 发明授权
    • Operation switching apparatus for tape recorder with control cam plate
for change of tape feed modes
    • 带控制凸轮盘的磁带录音机操作开关装置,用于更换送带模式
    • US5805383A
    • 1998-09-08
    • US757082
    • 1996-11-26
    • Toshio Yoshimura
    • Toshio Yoshimura
    • G11B15/10G11B15/44G11B15/675G11B5/54
    • G11B15/442G11B15/67555
    • In an operation switching apparatus for a tape recorder installed on a car etc., the present invention intends to improve a construction of a control cam plate for controlling various operation modes, to simplify mechanisms installed in the apparatus, to stabilize a control operation and to easily design a reduced size of the apparatus. A reversible rotary drive motor (16) drives a control cam plate (80) forward and backward. On the control cam plate (80) are provided a head moving cam (90) and a mode selection cam (92). A tape direction switching mechanism (100) and a FF/REW switching mechanism (120) are controlled by a common mode selection cam (90). By the control cam plate (80), various operation modes are selectively carried out. The control cam plate (80) is operatively connected to a cassette loading cam plate (60). The control cam plate (80) and the cassette loading cam plate (60) are driven by a single drive motor (16). After a cassette loading, both cam plates are disconnected.
    • 在安装在汽车等上的磁带录像机的操作切换装置中,本发明旨在改进用于控制各种操作模式的控制凸轮板的结构,简化安装在装置中的机构,以稳定控制操作,以及 容易设计减小尺寸的设备。 可逆旋转驱动马达(16)向前和向后驱动控制凸轮板(80)。 在控制凸轮板(80)上设有头移动凸轮(90)和模式选择凸轮(92)。 磁带方向切换机构(100)和FF ​​/ REW切换机构(120)由共模选择凸轮(90)控制。 通过控制凸轮板(80),选择性地执行各种操作模式。 控制凸轮板(80)可操作地连接到盒装载凸轮板(60)。 控制凸轮板(80)和盒装载凸轮板(60)由单个驱动马达(16)驱动。 盒式磁带装载后,两个凸轮板都断开。
    • 26. 发明授权
    • Controller for a movable member
    • 可移动部件的控制器
    • US5017901A
    • 1991-05-21
    • US542885
    • 1990-06-25
    • Toshio Yoshimura
    • Toshio Yoshimura
    • G11B15/10G11B15/18
    • G11B15/103G11B15/1883
    • A tape recorder having a controller for a movable member is able to control the movement of the member between two states by one electromagnet. The controller includes an electromagnet having first and second attracting parts which correspond to first and second attracted parts, a driving member which is driven through a fixed motion by a driving source, a combining part for moving which is installed on said movable member so as to separate from the driving member or be maintained in the combined state with said driving member by said first attracted part, a combining part for keeping position which is installed on said movable member to maintain said movable member in the second position by combining with the second attracted part and a leaving prevention part for preventing the leaving from said driving member of said combining part for moving when said movable member is at a position from halfway between said first and second positions to its second position. A separating part which is installed on said moving member or on said combining part for moving, can pull apart said first attracted part forcibly from said first attracting part after said combining part for moving has reached said leaving prevention part by movement of said movable member from said first position toward said second position and also before said part reaches said second position.
    • 具有用于可移动部件的控制器的磁带记录器能够通过一个电磁体来控制该部件在两个状态之间的移动。 控制器包括电磁体,其具有与第一和第二吸引部分相对应的第一和第二吸引部分,通过驱动源被固定运动驱动的驱动部件,安装在所述可动部件上的移动用组合部, 与驱动构件分开或与所述第一吸引部分与所述驱动构件保持在组合状态,组合部分,用于保持安置在所述可移动构件上的位置,以通过与第二吸引构件结合来将所述可动构件保持在第二位置 部分和防止离开部分,用于当所述可移动部件处于从所述第一位置和第二位置之间的中间到其第二位置的位置时,防止从所述组合部分的所述驱动部件离开。 安装在所述移动部件上或所述组合部分上用于移动的分离部分可以在所述移动组合部分通过所述可移动部件的移动到达所述防止部分之后,将所述第一吸引部分强制地从所述第一吸引部分分离 所述第一位置朝向所述第二位置,并且在所述部分到达所述第二位置之前。
    • 27. 发明授权
    • Tape running direction changeover mechanism with automatic tape head
azimuth alignment
    • 磁带运行方向切换机制,带自动磁带头方位对齐
    • US4809108A
    • 1989-02-28
    • US945828
    • 1986-12-24
    • Shinsaku TanakaToshio Yoshimura
    • Shinsaku TanakaToshio Yoshimura
    • G11B5/56G11B15/29G11B15/44G11B15/60
    • G11B5/56G11B15/29G11B15/442
    • A tape running direction changeover mechanism suitable for use in a tape recorder is described. The mechanism includes a tape running direction changeover member, a pinch roller changeover member responsive to each changeover of the tape running direction changeover member, a pair of azimuth alignment screw support members provided on both sides of a magnetic head and interlocked with the pinch roller changeover member, and azimuth alignment screws screwed in a pair in each of the support members. In accordance with movements of the pair of azimuth alignment screw support members, one or the other alignment screws supported on the respective support members are brought into contact with the corresponding sides of a magnetic head support strip relative to the magnetic head so as to control the vertical position and inclination of the magnetic head.
    • 描述适用于磁带记录器的磁带运行方向转换机构。 该机构包括一个磁带运行方向切换部件,一个响应于磁带运行方向切换部件的每次切换的夹紧滚轮切换部件,一对方位定位螺钉支撑部件,设置在磁头的两侧并与夹紧滚轮切换 构件和方位对准螺钉成对配合在每个支撑构件中。 根据一对方位对准螺钉支撑构件的移动,支撑在相应的支撑构件上的一个或另一个对准螺钉相对于磁头与磁头支撑条的相应侧接触,以便控制 磁头的垂直位置和倾斜度。
    • 28. 发明授权
    • Automatic mode changeover mechanism for a tape recorder
    • 录像机的自动模式切换机制
    • US4779147A
    • 1988-10-18
    • US938614
    • 1986-12-05
    • Shinsaku TanakaToshio Yoshimura
    • Shinsaku TanakaToshio Yoshimura
    • G11B15/10G11B15/093G11B15/44G11B15/48
    • G11B15/442G11B15/093
    • A tape recorder which includes an automatic reversing mechanism and wherein fast feeding or rewinding of a tape started manually is ended by releasing an operating member therefor from an actuated arrested position when the tape comes to its end is improved in operability with a simplified construction at a reduced cost. The tape recorder comprises a trigger member for mechanically detecting stopping of a reel receiving member to activate a tape feeding direction change-over mechansim, a pair of operating members manually operable for initiating a fast feeding or a rewinding operation, an arresting mechanism operable for arresting an actuated operating member to its actuated position, a transmission member operable in response to the actuated operating member for operating the trigger member, and a tape feeding direction change-over member mounted for engagement by the operating members. When a tape comes to its end while one of the operating members is arrested to its actuated position, the trigger member urges the transmission member to release the operating member from its arrested position.
    • 包括自动换向机构的磁带记录器,并且其中手动启动的磁带的快速进给或倒带通过在磁带到达其端部时从致动的停止位置释放操作构件而结束,其操作性得到改善,并且在 降低成本。 磁带记录器包括用于机械地检测卷轴接收构件的停止以激活送带方向转换机构的触发器构件,一对可手动操作以启动快速进给或倒带操作的操作构件,可操作用于阻止 致动操作构件到其致动位置,响应于用于操作触发构件的致动操作构件而可操作的传动构件以及安装成用于操作构件接合的送带方向转换构件。 当磁带在其中一个操作构件被锁定到其致动位置时结束,触发构件促使传动构件将操作构件从其停止位置释放。
    • 29. 发明授权
    • Tape recorder
    • 磁带录音机
    • US4639800A
    • 1987-01-27
    • US669265
    • 1984-11-07
    • Shinsaku TanakaToshio Yoshimura
    • Shinsaku TanakaToshio Yoshimura
    • G11B15/29G11B15/44G11B15/00
    • G11B15/29G11B15/442
    • First and second operating members can reciprocate in parallel to each other. When the first operating member moves one reel shaft rotates at high speed in the tape-winding direction. When the second operating member moves the other reel shaft rotates at high speed in the tape-winding direction. A tape-direction-changing piece can reciprocate in parallel to the first and second operating members, and can also rotate. When the first or second operating member moves, the tape-direction-changing piece rocks to allow the movement of the first or second operating member. When both the first and second operating members move at the same time, the tape-direction-changing piece moves together with the two operating members to press an operating force-transmitting member, prevented from rocking, thereby actuating a tape-feed-direction-changing mechanism.
    • 第一和第二操作构件可以彼此平行地往复运动。 当第一操作构件移动时,卷轴在带卷绕方向上高速旋转。 当第二操作构件移动时,另一卷轴在带卷绕方向上高速旋转。 带状方向改变件可以平行于第一和第二操作构件往复运动,并且也可以旋转。 当第一或第二操作构件移动时,带方向改变件岩石以允许第一或第二操作构件的移动。 当第一操作构件和第二操作构件同时移动时,带方向改变件与两个操作构件一起移动以按压操作力传递构件,防止摆动,从而致动带进给方向 - 改变机制。