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    • 32. 发明授权
    • Flash card reader and data exchanger utilizing low power extended USB protocol without polling
    • 闪存卡读卡器和数据交换器采用低功耗扩展USB协议,无轮询
    • US07660938B1
    • 2010-02-09
    • US11929414
    • 2007-10-30
    • David Q. ChowSidney YoungAbraham C. MaMing-Shiang Shen
    • David Q. ChowSidney YoungAbraham C. MaMing-Shiang Shen
    • G06F13/00G06F12/00
    • G06F13/4045G06F2213/0042
    • A portable universal serial bus (USB) data exchanger device is described herein. In one embodiment, the portable USB data exchanger includes at least one flash memory chip having a multi-level cell (MLC) memory array, a flash memory controller coupled to the at least one flash memory chip, the flash memory controller having a USB on-the-go (OTG) capability and controlling reading and writing of the flash memory chip, a first extended USB (EUSB) connector coupled to the flash memory controller to be coupled to a host, and a second EUSB connector coupled to the flash memory controller to be coupled to a slave USB device. The Portable USB data exchanger can communicate with either a host or a slave USB device without polling. Other methods and apparatuses are also described.
    • 本文描述了便携式通用串行总线(USB)数据交换设备。 在一个实施例中,便携式USB数据交换器包括具有多电平单元(MLC)存储器阵列的至少一个闪速存储器芯片,耦合到该至少一个闪存芯片的闪存控制器,具有USB的闪存控制器 (OTG)功能并且控制闪速存储器芯片的读取和写入,耦合到闪存控制器以耦合到主机的第一扩展USB(EUSB)连接器以及耦合到闪速存储器的第二EUSB连接器 控制器耦合到从USB设备。 便携式USB数据交换器可以与主机或从USB设备进行通信,无需轮询。 还描述了其它方法和装置。
    • 33. 发明申请
    • MASS PRODUCTION TESTING OF USB FLASH CARDS WITH VARIOUS FLASH MEMORY CELLS
    • 具有各种闪存存储器的USB闪存卡的质量生产测试
    • US20080177922A1
    • 2008-07-24
    • US11871117
    • 2007-10-11
    • David Q. ChowAbraham C. MaEdward W. LeeMing-Shiang Shen
    • David Q. ChowAbraham C. MaEdward W. LeeMing-Shiang Shen
    • G06F13/00G06F12/00
    • G06F11/2221
    • A high volume testing/formatting process is provided for Universal Serial Bus-based (USB-based) electronic data flash cards (USB devices) that meets the increasing demand for USB electronic data flash cards (USB devices). A test host is simultaneously coupled to the multiple USB devices (e.g., using a multi-port card reader or a probe fixture), a controller endpoint value is read from each of the USB devices and verified with a known good value, and then testing/formatting is performed on each of the USB devices by writing predetermined data into each USB device in a pipelined manner, then reading out and testing the predetermined data. In one embodiment, the test host implements a special USB driver that blocks standard USB registration procedures upon detecting the plurality of USB devices. Control and/or boot code data are written onto the flash memory device (i.e., instead of being provided on a controller ROM).
    • 为通用串行总线(USB)电子数据闪存卡(USB设备)提供了大容量测试/格式化过程,可满足USB电子数据闪存卡(USB设备)日益增长的需求。 测试主机同时耦合到多个USB设备(例如,使用多端口读卡器或探头夹具),从每个USB设备读取控制器端点值,并用已知的良好值进行验证,然后测试 通过以流水线方式将预定数据写入每个USB设备,然后读出并测试预定数据,在每个USB设备上执行/格式化。 在一个实施例中,测试主机在检测到多个USB设备时实现阻止标准USB注册过程的特殊USB驱动器。 控制和/或引导代码数据被写入快闪存储器件(即,不是设置在控制器ROM上)。
    • 35. 发明授权
    • Extended universal serial bus (USB) card reader
    • 扩展通用串行总线(USB)读卡器
    • US07850082B1
    • 2010-12-14
    • US11932118
    • 2007-10-31
    • David Q. ChowCharles C. LeeFrank I-Kang YuMing-Shiang Shen
    • David Q. ChowCharles C. LeeFrank I-Kang YuMing-Shiang Shen
    • G06K7/08
    • G06F13/385G06F2213/0042G06F2213/3804
    • An extended universal serial bus (USB) card reader device is described herein. In one embodiment, a card reader includes a first extended USB (EUSB) connector to be coupled to an external host system, multiple flash memory card sockets capable of receiving multiple flash memory cards inserted therein, multiple flash controllers coupled to the plurality of flash memory card sockets respectively. The card reader further includes a memory for storing executable code, a processor coupled to each of the flash controllers for executing the executable code to control each of the plurality of flash controllers in order to access the corresponding flash memory card inserted therein. The card reader further includes a second EUSB connector to be coupled to an external EUSB device using the extended USB protocols, which is one of an EUSB slave device and an EUSB hub device. Other methods and apparatuses are also described.
    • 本文描述了扩展的通用串行总线(USB)读卡器设备。 在一个实施例中,读卡器包括要耦合到外部主机系统的第一扩展USB(EUSB)连接器,能够接收插入其中的多个闪存卡的多个闪存卡插槽,耦合到多个闪存的多个闪存控制器 卡插座。 读卡器还包括用于存储可执行代码的存储器,耦合到每个闪存控制器的处理器,用于执行可执行代码以控制多个闪存控制器中的每一个以便访问插入其中的相应闪存卡。 读卡器还包括使用作为EUSB从设备和EUSB集线器设备之一的扩展USB协议耦合到外部EUSB设备的第二EUSB连接器。 还描述了其它方法和装置。