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    • 1. 发明授权
    • Variable tape speed head-carrier drum control apparatus
    • 可变磁带速度磁头托架鼓控制装置
    • US4970611A
    • 1990-11-13
    • US236988
    • 1988-08-26
    • Masafumi KodamaMasanori KojimaAkira Sano
    • Masafumi KodamaMasanori KojimaAkira Sano
    • G11B5/588
    • G11B5/588
    • A head-carrier drum control apparatus in a magnetic recording and/or reproducing apparatus which comprises a rotatably supported head-carrier drum assembly; a drive unit accommodated in the head-carrier drum assembly including a coil, disposed in a magnetic circuit, and at least one positionable magnetic transducing head cooperable with the coil to be displaced in a direction generally widthwise of a length of magnetic tape. The apparatus further includes a contact feeler through which a control current is supplied to the drive unit; an electrode held in contact with the contact feeler and connected electrically with the coil; and a drive circuit for controlling the position of the transducer head so as to cause a trace of movement of the transducing head depicted during information reproduction to properly follow a track recorded by a magnetic transducing head on the length of magnetic tape during information recording.
    • 一种磁记录和/或再现装置中的磁头载体鼓控制装置,包括可旋转地支撑的磁头托架鼓组件; 容纳在所述头托架鼓组件中的驱动单元,包括设置在磁路中的线圈,以及至少一个可定位的磁性换能头,所述至少一个可定位的磁转换头可与所述线圈配合,以沿着一定长度的磁带的宽度方向移位。 该装置还包括一个接触探针,通过该接触探针将控制电流提供给驱动单元; 电极,与接触探针接触并与线圈电连接; 以及驱动电路,用于控制换能器头的位置,以便在信息记录期间引起在信息再现期间描绘的换能头的运动轨迹,以便在信息记录期间适当地跟随由磁转换头记录的轨道在磁带长度上。
    • 8. 发明授权
    • Computer peripheral function emulator
    • 电脑外设功能仿真器
    • US5764956A
    • 1998-06-09
    • US554780
    • 1995-11-07
    • Yutaka AkahoriHideaki OgataYasushi NakaokaMasanori Kojima
    • Yutaka AkahoriHideaki OgataYasushi NakaokaMasanori Kojima
    • G06F9/455
    • G06F9/45504
    • An emulator that emulates the operation of a target machine on an execution machine is disclosed. The execution module prepared for each function of the target machine is called via a dispatcher from a kernel. A calling address is registered in a dispatcher table by the execution module when each execution module is loaded. Inputs from a keyboard causes a hardware interrupt resulting in the calling of a keyboard emulator. After a converted key code is stored in a buffer, an interrupt controller emulator is called by intermodule communication. The interrupt controller emulator requests a virtual interrupt for the kernel. The keyboard emulator is called again and the key code stored in the buffer is transmitted to the application program.
    • 公开了一种在执行机器上模拟目标机器的操作的仿真器。 通过内核的调度程序调用为目标机器的每个功能准备的执行模块。 当每个执行模块被加载时,执行模块在调度表中注册一个调用地址。 来自键盘的输入引起硬件中断,导致键盘仿真器的调用。 转换的密钥代码存储在缓冲区中后,通过模块间通信调用中断控制器仿真器。 中断控制器仿真器为内核请求虚拟中断。 再次调用键盘仿真器,将存储在缓冲器中的键码传输到应用程序。