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    • 1. 发明授权
    • Negative voltage decoding in non-volatile memories
    • 在非易失性存储器中进行负电压解码
    • US5548551A
    • 1996-08-20
    • US409779
    • 1995-03-24
    • Chi-Ming WangAnil GuptaHiten D. S. Randhawa
    • Chi-Ming WangAnil GuptaHiten D. S. Randhawa
    • G11C16/08G11C16/30G11C7/00
    • G11C16/30G11C16/08
    • A negative voltage decoder applies a negative voltage to the sense line of a selected row of a memory array but not to sense lines of unselected rows. The negative voltage decoder includes a negative voltage source, an array of P-channel transistors, and a negative voltage address signal generator. P-channel transistors in the array have gates coupled to address lines, so that address signals on the address lines turn on the P-channel transistors and connect only the selected sense line to the negative voltage source. A negative voltage charge pumps in the negative voltage address signal generator generates address signals lower than the negative voltage source. In one embodiment, the transistor array has rows of P-channel transistors which fit the pitch of the memory array and individual P-channel transistors which are stacked laterally away from the memory array, and each row of P-channel transistors couples through a set of individual transistor to a set of sense lines. When a positive voltage decoder applies a positive voltage to the sense lines, the negative voltage address signal generator provides a high voltage to shut off the transistors directly coupled to the sense lines. An isolation circuit isolates the positive voltage row decoder from the negative voltage applied by the negative voltage decoder.
    • 负电压解码器将负电压施加到存储器阵列的选定行的感测线,但不检测未选行的行。 负电压解码器包括负电压源,P沟道晶体管阵列和负电压地址信号发生器。 阵列中的P沟道晶体管具有耦合到地址线的栅极,使得地址线上的地址信号导通P沟道晶体管,并且仅将所选择的检测线连接到负电压源。 负电压地址信号发生器中的负电压电荷泵产生低于负电压源的地址信号。 在一个实施例中,晶体管阵列具有排列的P沟道晶体管,其配合存储器阵列的间距和从存储器阵列横向堆叠的各个P沟道晶体管,并且每行P沟道晶体管通过一组 的单个晶体管到一组感测线。 当正电压解码器向感测线施加正电压时,负电压地址信号发生器提供高电压以截止直接耦合到感测线的晶体管。 隔离电路将正电压行解码器与由负电压解码器施加的负电压隔离。
    • 2. 发明授权
    • Transmission in a network with active and sleeping clients
    • 在主动和睡眠客户端的网络中传输
    • US08879458B2
    • 2014-11-04
    • US13453664
    • 2012-04-23
    • Anil GuptaSung-Ju Lee
    • Anil GuptaSung-Ju Lee
    • H04H20/71G08C17/00H04W4/00H04L12/28
    • H04H20/423H04L12/189H04L47/14H04L47/15H04L65/4076H04N21/6405H04W4/06H04W52/0216H04W52/0219H04W72/005H04W76/28H04W76/40Y02D70/142
    • Methods, devices, and machine readable media are provided for transmission in a network with active and sleeping clients. Some examples can include transmitting a first multicast stream of data in response to an active wireless client being associated with the wireless network device at a particular time. The method can include transmitting a second multicast stream of the data after the first multicast stream in response to a sleeping wireless client being associated with the wireless network device at the particular time and in response to a delivery traffic indication message count expiring. The first and/or second multicast streams of the data can be retransmitted a number of times (e.g., at different data rates). An active/sleep status can be maintained for the wireless clients. A unicast stream can be transmitted when the number of clients does not exceed a threshold.
    • 提供方法,设备和机器可读介质用于在具有主动和睡眠客户端的网络中进行传输。 一些示例可以包括响应于在特定时间与无线网络设备相关联的活动无线客户端来发送数据的第一多播流。 所述方法可以包括在所述特定时间响应于与所述无线网络设备相关联的睡眠无线客户端以及响应于传送通信量指示消息计数到期而在所述第一多播流之后发送所述数据的第二多播流。 可以多次重复数据的第一和/或第二多播流(例如,以不同的数据速率)。 可以为无线客户端维护活动/睡眠状态。 当客户端的数量不超过阈值时,可以传输单播流。
    • 5. 发明申请
    • ADAPTIVE WIRELESS NETWORK
    • 自适应无线网络
    • US20110211518A1
    • 2011-09-01
    • US12896397
    • 2010-10-01
    • Anil GuptaSung-Ju LeeVincent Ma
    • Anil GuptaSung-Ju LeeVincent Ma
    • H04H20/71
    • H04H20/63H04W28/18H04W84/12H04W88/08
    • Systems, methods, and devices are provided for an adaptive wireless network. A wireless network device for an adaptive wireless network can include an application specific integrated circuit (ASIC) including logic and memory resources coupled to the ASIC. The logic can store information received from a number of clients associated with the wireless network device regarding capabilities of the number of clients in the memory resources. The logic can adapt a guard interval and/or a channel width for transmission of a data stream according to capabilities of a number of clients associated with the wireless network device.
    • 为自适应无线网络提供系统,方法和设备。 用于自适应无线网络的无线网络设备可以包括专用集成电路(ASIC),其包括耦合到ASIC的逻辑和存储器资源。 逻辑可以存储从与无线网络设备相关联的多个客户端接收的关于存储器资源中的客户端数量的能力的信息。 该逻辑可以根据与无线网络设备相关联的多个客户端的能力来调整用于传输数据流的保护间隔和/或信道宽度。
    • 7. 发明授权
    • Wear leveling techniques for flash EEPROM systems
    • 闪存EEPROM系统的磨损均衡技术
    • US07353325B2
    • 2008-04-01
    • US11028882
    • 2005-01-03
    • Karl M. J. LofgrenRobert D. NormanGregory B. ThelinAnil Gupta
    • Karl M. J. LofgrenRobert D. NormanGregory B. ThelinAnil Gupta
    • G06F12/02
    • G11C16/3495G06F12/0246G06F2212/1036G06F2212/7211G11C8/12G11C16/349
    • A mass storage system made of flash electrically erasable and programmable read only memory (“EEPROM”) cells organized into blocks, the blocks in turn being grouped into memory banks, is managed to even out the numbers of erase and rewrite cycles experienced by the memory banks in order to extend the service lifetime of the memory system. Since this type of memory cell becomes unusable after a finite number of erase and rewrite cycles, although in the tens of thousands of cycles, uneven use of the memory banks is avoided so that the entire memory does not become inoperative because one of its banks has reached its end of life while others of the banks are little used. Relative use of the memory banks is monitored and, in response to detection of uneven use, have their physical addresses periodically swapped for each other in order to even out their use over the lifetime of the memory.
    • 由闪存电可擦除和可编程只读存储器(“EEPROM”)组成的块的大容量存储系统被组合成块,这些块又被分组到存储体中,以便管理存储器经历的擦除和重写周期的数量 银行为了延长内存系统的使用寿命。 由于这种类型的存储器单元在有限数量的擦除和重写周期之后变得不可用,尽管在数万个周期中,避免了不均匀地使用存储器组,使得整个存储器不会变得不起作用,因为它的一个存储体具有 达到了终点,而其他银行也没有被使用。 监视存储器组的相对使用,并且响应于不均匀使用的检测,使它们的物理地址彼此周期性交换,以便在存储器的使用寿命期内甚至使用它们。