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    • 42. 发明申请
    • AN INTEGRATED MULTIMEDIA SYSTEM
    • 综合多媒体系统
    • WO00022536A1
    • 2000-04-20
    • PCT/JP1999/005659
    • 1999-10-14
    • G06T1/20G06F13/10G06F13/12G06F13/28G06F13/36G06F15/78G06T15/00
    • G06F13/102G06F13/124G06T15/005
    • An integrated multimedia system has a multimedia processor disposed in an integrated circuit. The system comprises a first host processor system which is coupled to the multimedia processor. A second local processor is disposed within the multimedia processor which controls the operation of the multimedia processor. A data transfer switch is disposed within the multimedia processor and coupled to the second processor which transfers data to various modules of the multimedia processor. A fixed function unit is disposed within the multimedia processor, coupled to the second processor and the data transfer switch and configured to perform three dimensional graphic operations. A data streamer is coupled to the data transfer switch, and configured to schedule simultaneous data transfers among a plurality of modules disposed within the multimedia processor in accordance with the corresponding channel allocations. An interface unit is coupled to the data streamer and has a plurality of input/output (I/O) device driver units. A multiplexer is coupled to the interface unit and provides access between a selected number of I/O device driver units and external I/O devices via output pins. A plurality of external I/O devices are coupled to the multimedia processor.
    • 集成多媒体系统具有设置在集成电路中的多媒体处理器。 该系统包括耦合到多媒体处理器的第一主机处理器系统。 第二本地处理器被布置在控制多媒体处理器的操作的多媒体处理器内。 数据传输开关设置在多媒体处理器内并且耦合到第二处理器,该第二处理器将数据传送到多媒体处理器的各个模块。 固定功能单元设置在多媒体处理器内,耦合到第二处理器和数据传输开关,并被配置为执行三维图形操作。 数据流器耦合到数据传输交换机,并且被配置为根据相应的信道分配来调度在多媒体处理器内设置的多个模块之间的同时数据传输。 接口单元耦合到数据流器并且具有多个输入/输出(I / O)设备驱动器单元。 多路复用器耦合到接口单元,并通过输出引脚提供所选数量的I / O设备驱动单元和外部I / O设备之间的访问。 多个外部I / O设备耦合到多媒体处理器。
    • 43. 发明申请
    • SYSTEM AND METHOD FOR MULTIPLEXING SERIAL LINKS
    • 用于多重串行链接的系统和方法
    • WO99048235A1
    • 1999-09-23
    • PCT/US1999/005658
    • 1999-03-15
    • H04J3/00G06F3/06G06F13/12G06F13/40H04J3/04H04J3/22
    • G06F3/0614G06F3/0656G06F3/0689G06F13/124G06F13/4022H04J3/047
    • A plurality of transmitters are multiplexed to a hub through clocked serial links (48). Timing problems that may arise when switching between links (48) are eliminated with a system including a group serial receiver (80) for each link (48) for performing serial to parallel conversion of data sent over the serial link (48), outputting a group clock signal (84) based on the serial clock signal, outputting parallel data (82) clocked by the group clock signal (84), and determining a data enable signal (86) from the serial link (48). A select signal (64) for determining the serial link (48) being read by the hub (60) selects the corresponding group clock (100), parallel data (92), and data enable (96). A load control (102) clocks the selected parallel data (92) into a first-in, first-out buffer (106) using the selected group clock (100) when the selected data enable (96) is asserted. When the selected data enable (96) is not asserted, the load control (102) is held in reset and, hence, is insensitive to irregularities in the selected clock signal (100) due to switching between links (48). Data is clocked from the buffer (106) by a local clock (114).
    • 多个发射机通过时钟串行链路复用到集线器(48)。 当通过包括用于每个链路(48)的组串行接收器(80)的系统来消除在链路(48)之间切换时可能出现的定时问题,用于执行通过串行链路(48)发送的数据的串行到并行转换,输出 基于串行时钟信号的组时钟信号(84),输出由组时钟信号(84)定时的并行数据(82),以及从串行链路(48)确定数据使能信号(86)。 用于确定由集线器(60)读取的串行链路(48)的选择信号(64)选择对应的组时钟(100),并行数据(92)和数据使能(96)。 当选择的数据使能(96)被断言时,负载控制(102)使用所选择的组时钟(100)将选择的并行数据(92)时钟化为先入先出缓冲器(106)。 当所选择的数据使能(96)不被置位时,负载控制(102)被保持在复位状态,因此由于链路(48)之间的切换而对所选择的时钟信号(100)中的不规则不敏感。 数据由缓冲器(106)由本地时钟(114)计时。
    • 46. 发明申请
    • COMMUNICATION PROCESSOR FOR PERSONAL COMPUTER
    • 个人电脑通讯处理器
    • WO1989001202A1
    • 1989-02-09
    • PCT/US1988002449
    • 1988-07-20
    • FACE TECHNOLOGIES, INC.
    • FACE TECHNOLOGIES, INC.FACE, William, W.BARNICH, Richard, G.
    • G06F09/02
    • G06F13/409G06F13/124
    • A microcomputer is adapted to act as a communications processor (10) for a personal computer (12). The communications processor (10) includes at least two I/O ports, one for insertion into a slot connector of the personal computer (60), and the other so as to be accessible to external connectors (62). The communications processor (10) has a power supply (54) and a back-up battery power supply (58). The communication processor (10) can receive communications from and transmit to remote sources while the personal computer (12) is being used for other purposes. Receiver messages are stored in the RAM (48) of the commmunications processor (10) and are unloaded to the personal computer (12) under control of its keyboard (26) at the operator's convenience. Messages to be transmitted may also be loaded into the communication processor's RAM (48) from the personal computer (12) along with instructions causing them to be transmitted at any convenient time, whether or not the personal computer (12) is then energized or in alternate use.
    • 微型计算机适于用作个人计算机(12)的通信处理器(10)。 通信处理器(10)包括至少两个I / O端口,一个用于插入个人计算机(60)的插槽连接器中,另一个用于外部连接器(62)可访问。 通信处理器(10)具有电源(54)和备用电池电源(58)。 当个人计算机(12)用于其他目的时,通信处理器(10)可以从远程源接收通信并传送到远程源。 接收器消息存储在通信处理器(10)的RAM(48)中,并且在操作者方便的情况下在其键盘(26)的控制下将其卸载到个人计算机(12)。 要发送的消息也可以从个人计算机(12)加载到通信处理器的RAM(48)中,同时指示使得它们在任何方便的时间被传送,无论个人计算机(12)是否被激活,或者在 备用。
    • 49. 发明申请
    • IMPROVEMENTS IN OR RELATING TO DATA COMMUNICATIONS
    • 数据通信的改进或相关
    • WO1981001064A1
    • 1981-04-16
    • PCT/GB1980000161
    • 1980-10-09
    • BURROUGHS CORPROBERTSON MWARREN R
    • BURROUGHS CORP
    • G06F03/04
    • G06F13/124G06F13/38
    • A data communications controller for use intermediately between a data processor and a data communications link such as a modem driven landline, relieves the data processor of time consuming supervisory and data preparation tasks normally associated with the use of a data link by means of a block loadable transmit queue (24), an automatic CRC generator (26), an automatic time-fill generator (28) and parity generator (32), a block unloadable receive queue (44), an automatic character load translator (42), an automatic character monitor (40) and a received serial bit queue (34) in conjunction with a byte synchronising detector (36), the operation or non-operation of each of the above elements and, if operational, the manner of that operation being selectable by the data processor.
    • 用于数据处理器和诸如调制解调器驱动的座机之类的数据通信链路之间的数据通信控制器通过借助于可装载的块来缓解数据处理器与数据链路的使用通常相关的耗时的监督和数据准备任务 发送队列(24),自动CRC生成器(26),自动时间填充生成器(28)和奇偶校验生成器(32),块卸载接收队列(44),自动字符加载转换器(42) 字符监视器(40)和接收到的串行位队列(34)结合字节同步检测器(36),每个上述元件的操作或不操作,并且如果可操作,该操作的方式可以由 数据处理器。