公开(公告)号：US4547823A

公开(公告)日：1985-10-15

申请号：US480513

申请日：1983-03-30

申请人： Masao Ri ,  Kenji Ohhara ,  Yoshinori Yamamoto ,  Akira Takada ,  Hisanori Watanabe ,  Yasuo Osada

发明人： Masao Ri ,  Kenji Ohhara ,  Yoshinori Yamamoto ,  Akira Takada ,  Hisanori Watanabe ,  Yasuo Osada

IPC分类号： G11B15/10 ,  G11B15/44 ,  G11B15/02

CPC分类号： G11B15/10 ,  G11B15/442

摘要： A feather-touch mode changer having low power requirements and being capable of selectively providing a plurality of modes of operation of a tape recording/reproducing apparatus, has two changing mechanisms which are each of the type that includes a rotatable changing gear with a toothless gap, a selectively actuable trigger for causing initial angular displacement of the changing gear from an inactive position in which the toothless gap faces a drive gear to an actuating position in which the changing gear engages the drive gear, and an actuating lever that moves in a response to the rotation of the changing gear by the drive gear. The two changing mechanisms are selectively actuable, and a single drive gear is positioned for engagement with both changing gears. Each of the two changing mechanisms has associated with it a selectively energizable electromagnetic device and a locking lever that moves into a locking position in response to movement of the respective actuating lever. Each electromagnetic device is energized upon actuation of the respective trigger means to magnetically hold the respective locking lever in its locking position. The mode changing apparatus also includes mode establishing mechanisms comprising a plurality of cooperating gears and levers that are engaged by the actuating and locking levers upon selective operation of the changing mechanisms to establish FWD, FF, REW, PAUSE and ADS (Automatic Detection of Silence) modes of operation of the tape recording/reproducing apparatus.

摘要翻译： 具有低功率要求并且能够选择性地提供磁带记录/再现装置的多种操作模式的羽毛触摸模式更换器具有两种改变机构，每种类型包括具有无齿间隙的可旋转变速齿轮 ，用于使变速齿轮从其中无齿间隙面对驱动齿轮的非活动位置到变速齿轮接合驱动齿轮的致动位置的初始角位移的可选择性致动扳机以及响应中移动的致动杆 由变速齿轮由驱动齿轮旋转。 两个更换机构是选择性地致动的，并且单个驱动齿轮被定位成与两个变速齿轮啮合。 两个改变机构中的每一个与其相关联是选择性激励电磁装置和锁定杆，其响应于相应致动杆的移动而移动到锁定位置。 每个电磁装置在相应的触发装置致动时被通电，以将相应的锁定杆磁性地保持在其锁定位置。 模式改变装置还包括模式建立机构，其包括多个协作齿轮和杠杆，所述多个协作齿轮和杠杆在选择性地操作改变机构时被致动和锁定杆接合以建立FWD，FF，REW，PAUSE和ADS（静音的自动检测） 磁带记录/再现装置的操作模式。

公开(公告)号：US4568989A

公开(公告)日：1986-02-04

申请号：US433643

申请日：1982-10-12

申请人： Kenji Ohhara ,  Yoshinori Yamamoto ,  Masao Ri ,  Hisanori Watanabe ,  Yasuo Osada

发明人： Kenji Ohhara ,  Yoshinori Yamamoto ,  Masao Ri ,  Hisanori Watanabe ,  Yasuo Osada

IPC分类号： G11B15/10 ,  G11B15/18 ,  G11B15/00 ,  G11B5/54

CPC分类号： G11B15/1883 ,  G11B15/10

摘要： A mode changing apparatus for a tape recorder comprises a rotatable changing gear having a toothed periphery with a toothless gap therein, a magnet rotatably coupled with the changing gear for rotation therewith, a driving gear rotatably mounted for engagement with the toothed periphery of the changing gear, a yoke assembly including a portion cooperating with the magnet for providing a stabilizing effect by which the changing gear is held in an initial position with the toothless gap facing the driving gear, a solenoid coil wound on another portion of the yoke assembly and being operative, when energized, to generate a magnetic force by which the magnet and changing gear are angularly displaced from the initial position for engagement of the toothed periphery by the driving gear to cause turning of the changing gear, an operating member, such as a head base plate of the tape recorder, movable from an inactive position to an active position for establishing a respective mode of the tape recorder and being yieldably urged to return to its inactive position, an actuating assembly, desirably in the form of a cam rotatable with the changing gear and an actuating lever engageable with the cam and with the head base plate or other operating member, and being responsive to turning of the changing gear by the driving gear for moving the operating member to its active position, and an armature assembly moved from a free position spaced from the yoke assembly to a holding position against a portion of the latter in response to movement of the operating member to its active position, the yoke assembly and solenoid coil being operative, when the coil is energized, to magnetically hold the armature assembly in its holding position for preventing return of the operating member to its inactive position.

摘要翻译： 一种用于磁带录音机的模式改变装置，包括一个带有无齿间隙的齿形周边的可旋转变速齿轮，一个与变速齿轮可旋转地连接的磁铁，用于与其一起旋转;驱动齿轮，可旋转地安装成与变速齿轮的齿形周边啮合 磁轭组件，其包括与磁体配合的部分，用于提供稳定效果，通过该稳定效果，变速齿轮在无齿间隙面对驱动齿轮时保持在初始位置，螺线管线圈缠绕在轭组件的另一部分上并且可操作 当通电时，产生磁力，通过该磁力使磁体和变速齿轮从初始位置成角度地移位，用于通过驱动齿轮啮合齿形周边，以引起变速齿轮的转动，诸如头部基座的操作构件 磁带记录器的板可从非活动位置移动到活动位置，以建立分接头的相应模式 并且可屈服地被推动返回到其非活动位置，致动组件，理想地为具有随变速齿轮可旋转的凸轮的形式，以及致动杆，其可与凸轮接合并与头基板或其它操作构件接合，并且 响应于通过用于使操作构件移动到其主动位置的驱动齿轮转动变速齿轮;以及电枢组件，其响应于运动构件的移动而从与轭组件间隔开的自由位置移动到保持位置 操作构件到其主动位置时，轭组件和螺线管线圈可操作，当线圈被通电时，将电枢组件磁力地保持在其保持位置，以防止操作构件返回到其非活动位置。