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    • 3. 发明申请
    • SYSTEM FOR IDENTIFYING THE COMPONENTS OF A VEHICLE
    • 识别车辆部件的系统
    • US20120123611A1
    • 2012-05-17
    • US13232604
    • 2011-09-14
    • Giuseppe GrassoViviana OlivaDavide Giuseppe Patti
    • Giuseppe GrassoViviana OlivaDavide Giuseppe Patti
    • G06F7/00
    • B60R25/00
    • A system for identifying a plurality of components of a vehicle that includes a plurality of non-volatile memories for storing identifiers associated with the plurality of vehicle components, a controller of the plurality of the vehicle components, a communication network configured for connecting the controller to the plurality of memories, and an identifiers memory including a portion to store a list of a plurality of type-approved identifiers associated with the plurality of type-approved vehicle components. The controller receives the identifiers, reads from the portion of the identifiers memory the list of type-approved identifiers, and checks if the identifiers of the plurality of components are included in the list of the type-approved identifiers, and when the controller detects that an identifier associated with a component out of the plurality of components is not included in the list, the controller blocks operation of the component.
    • 一种用于识别车辆的多个部件的系统,包括用于存储与所述多个车辆部件相关联的标识符的多个非易失性存储器,所述多个车辆部件的控制器,被配置为将所述控制器连接到 所述多个存储器以及标识符存储器,其包括用于存储与所述多个型式认可的车辆部件相关联的多个型式认可标识符的列表的部分。 控制器接收标识符,从标识符的一部分读取类型认可标识符的列表,并检查多个组件的标识符是否包括在类型认可的标识符的列表中,并且当控制器检测到 与多个组件中的组件相关联的标识符不包括在列表中,控制器阻止组件的操作。
    • 5. 发明授权
    • Circuit and method for writing to a memory disk
    • 用于写入存储盘的电路和方法
    • US06456148B2
    • 2002-09-24
    • US09839511
    • 2001-04-20
    • Giuseppe PattiRoberto AliniGilles P. DeNoyer
    • Giuseppe PattiRoberto AliniGilles P. DeNoyer
    • H03K1756
    • G11B5/022G11B5/012G11B5/02G11B5/09
    • A method and circuit are disclosed for controlling the write head of a magnetic disk storage device. The circuit includes a pull-up device coupled to a terminal of the write head, for selectively providing a current to the write head though the write head terminal. The circuit further includes parallel-connected current sink circuits, each of which is coupled to the write head terminal and selectively activated to draw current from the write head via the write head terminal. A first transistor is connected in series between the pull-up device and the write head terminal and biased to provide a voltage differential between the write head terminal and the pull-up device. A second transistor is connected in series between the write head terminal and the current sink circuits and biased to provide a voltage differential between the write head terminal and the current sink circuits.
    • 公开了一种用于控制磁盘存储装置的写入头的方法和电路。 该电路包括耦合到写入头的终端的上拉装置,用于通过写入头终端选择性地向写入头提供电流。 电路还包括并联连接的电流吸收电路,每个电路都耦合到写入头终端,并被选择性地激活以经由写头终端从写入头抽取电流。 第一晶体管串联连接在上拉器件和写入端子之间,并被偏置以在写入头端子和上拉器件之间提供电压差。 第二晶体管串联连接在写入头端子和电流吸收电路之间,并被偏置以在写入头端子和电流吸收电路之间提供电压差。
    • 6. 发明授权
    • Apparatus and method for reducing thermal interference in MR heads in disk drives
    • 用于减少磁盘驱动器中MR磁头的热干扰的装置和方法
    • US06359743B1
    • 2002-03-19
    • US09197122
    • 1998-11-20
    • Giuseppe PattiEugene C. LeeRoberto Alini
    • Giuseppe PattiEugene C. LeeRoberto Alini
    • G11B502
    • G11B5/012G11B2005/0016
    • An apparatus (and method) is provided that reduces thermal interference in the read signal of a disk drive. A variable or programmable resistance is used to change the transfer function of a filter in the read channel of the disk drive to filter the read signal. The filter has a first transfer function (first cut-off frequency) related to the programmed resistance during normal operation of the disk drive (i.e. when thermal interference is not detected). When thermal interference is detected in the read signal, the resistance is programmed to another value resulting in the filter having a second transfer function (second cut-off frequency). The resistance element is variable or programmable to different values resulting in different programmable transfer functions (or one of a multitude of cut-off frequencies) for the filter. In the preferred embodiment, detection of thermal interference increases the cut-off frequency of the filter thereby filtering, or reducing the effects of, the thermal interference in the read signal.
    • 提供了减少磁盘驱动器的读取信号中的热干扰的装置(和方法)。 使用可变或可编​​程电阻来改变磁盘驱动器的读通道中的滤波器的传递函数,以过滤读取信号。 滤波器在磁盘驱动器的正常操作期间(即,当未检测到热干扰时)具有与编程电阻相关的第一传递函数(第一截止频率)。 当在读取信号中检测到热干扰时,电阻被编程为另一个值,导致滤波器具有第二传递函数(第二截止频率)。 电阻元件可变或可编​​程为不同的值,导致滤波器的不同可编程传输功能(或多个截止频率之一)。 在优选实施例中,热干扰的检测增加了滤波器的截止频率,从而过滤或减少了读取信号中的热干扰的影响。