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    • 1. 发明公开
    • Method and apparatus for pre-processing data packets in a bus interface unit
    • 一种用于在Datenbusschnittstelleneinheit数据分组的前处理的方法和数据处理装置
    • EP1058193A1
    • 2000-12-06
    • EP99110490.2
    • 1999-05-31
    • DEUTSCHE THOMSON-BRANDT GMBH
    • Brune, ThomasOstermann, RalfCahnbley, JensSchweidler, Siegfried
    • G06F13/40H04L29/06
    • H04L12/40117H04L69/22
    • The IEEE1394 bus communication protocol has three layers: physical layer, link layer, and transaction layer. A link layer IC implements the interface to an external application and prepares data for sending on the bus, or interprets incoming data packets from the IEEE1394 bus. A physical layer IC implements the direct electrical connection to the bus and controls many functions including arbitration for sending data on the bus. A problem exists due to the fact that the header data of the IEEE1394 data packets consists of 32 bit words which have to be interpreted as 32 bit words in the connected application data processing unit (30). The IEEE1394 bus interface unit (20) is defined to be of big endian type. In a little endian type application data processor (30) the data word order can only be correctly interpreted after a byte order change. According to the invention the byte order change is performed in the data link layer unit (21) automatically with hardware circuitry for the header quadlets of asynchronous data packets only.
    • IEEE1394总线的通信协议有三层:物理层,链路层,和事务处理层。 链路层IC实现该接口到外部应用程序并用于发送所述总线上的数据准备,或从IEEE1394总线解释输入数据分组。 物理层IC实现到总线上的直接电连接,并且控制许多功能,包括仲裁总线上发送数据。 一个问题,存在由于factthat的IEEE1394的数据分组的哪些必须被解释为在所连接的应用程序数据处理单元(30)32个字的32位字besteht的标题数据。 IEEE1394总线接口单元(20)被定义为大端类型。 在一个小端类型的应用程序的数据处理器(30)中的数据词序只能正确字节顺序变化之后解释。 。据字节顺序变化在数据链路层单元(21)具有用于仅异步数据分组的报头四字节组硬件电路自动地执行本发明。
    • 2. 发明公开
    • Method for performing data transport over a serial bus using internet protocol and apparatus for use in the method
    • 用于使用互联网协议通过串行总线进行数据传输的方法和装置
    • EP1694023A1
    • 2006-08-23
    • EP05090033.1
    • 2005-02-18
    • DEUTSCHE THOMSON-BRANDT GMBH
    • Dorau, KaiKöhler, RalfBrune, Thomas
    • H04L29/06
    • H04L29/06H04L29/06027H04L65/608H04L65/80H04L69/16
    • Real time streaming over serial buses (20) using Internet protocol IP is becoming more and more important. With new bus technologies e.g. 10Gbit Ethernet even streaming in HD cinematography quality and uncompressed form becomes possible. In this case, however, data access management by software means is critical or simply not possible for performance reasons even if high performance microcontrollers are used where the software runs.
      The invention proposes for an apparatus in a network to implement hardware means (26, 27, 28) for processing the real-time critical data packets as well as software means for processing the real-time uncritical data packets and a filter algorithm respectively a de-multiplexer (25) for analyzing packet header and passing the real-time critical data packets to the hardware means (26, 27, 28) and the real-time uncritical data packets to the software means.
    • 实时流在使用互联网协议IP串行总线(20)正变得越来越重要。 随着新的总线技术E.G. 万兆以太网甚至流高清摄影的质量和压缩的形式成为可能。 在这种情况下,但是,通过软件方式的数据访问管理是出于性能方面的关键或根本不可能的,即使高性能微控制器所使用的软件运行在那里。 本发明的网络中,在装置提出了一种用于实现硬件装置(26,27,28),用于处理所述的实时关键的数据分组以及软件装置,用于处理实时关键数据分组,并且一个过滤器算法分别解 复用器(25),用于分析分组报头和实时关键的数据分组传递到所述硬件装置(26,27,28)和实时关键数据包发送到软件的装置。
    • 3. 发明公开
    • Method for the control of network devices connected via a bus system
    • Verfahren zur Steuerung vonübereinen汽车发明网Netzwerkgeräten
    • EP1253750A1
    • 2002-10-30
    • EP01109980.1
    • 2001-04-24
    • DEUTSCHE THOMSON-BRANDT GMBH
    • Hütter, IngoBrune, Thomas
    • H04L12/28H04L29/06
    • H04L12/2814H04L12/2803H04L12/2805H04L12/2809H04L29/06H04L2012/2849
    • Two or more electronic devices (1, 3, 4) are connected via a bus system (5), wherein one of the network devices controls (1) other network devices (3, 4). A first control application is uploaded from a first controlled device to the control device and a second control application is uploaded from a second controlled device into the first control application. The first and second controlled devices can be operated simultaneously using a single user interface shown on a display of the control device. The user interface of the first device is displayed as main user interface and the user interface of the second device is rendered within the main interface as reduced user interface, which includes only operation elements necessary for operation of the second device in combination with the first device. The generation of combined user interfaces is also possible when the second controlled device comprises features, which are not known at the production of the first controlled device.
    • 两个或多个电子设备(1,3,4)经由总线系统(5)连接,其中一个网络设备控制(1)其他网络设备(3,4)。 将第一控制应用从第一控制设备上传到控制设备,并且将第二控制应用从第二受控设备上传到第一控制应用中。 可以使用控制装置的显示器上所示的单个用户界面同时操作第一和第二受控设备。 第一设备的用户界面被显示为主用户界面,并且第二设备的用户界面在主界面内呈现为简化的用户界面,其仅包括与第一设备结合操作第二设备所需的操作元素 。 当第二受控设备包括在生产第一受控设备时不知道的特征,组合的用户界面的产生也是可能的。
    • 5. 发明公开
    • Method for multibank memory scheduling
    • Zugriffsverfahrenfüreinen Multibankspeicher
    • EP1513157A1
    • 2005-03-09
    • EP03019948.3
    • 2003-09-02
    • Deutsche Thomson-Brandt GmbH
    • Niggemeier, TimBrune, Thomas
    • G11C7/10G06F12/06
    • G11C7/1042
    • The present invention relates to a method for scheduling and controlling access to a multibank memory having at least two banks (1, 2), and to an apparatus for reading from and/or writing to recording media using such method.
      According to the invention, the method comprises the steps of:

      writing an input stream (6) to the first bank (1);
      switching the writing of the input stream (6) to the second bank (2) when a read command for the first bank (1) is received; and
      switching the writing of the input stream (6) back to the first bank (1) when a read command for the second bank (2) is received.
    • 本发明涉及一种用于调度和控制对具有至少两个存储体(1,2)的多存储器存取的方法,以及一种用于使用这种方法从记录介质读取和/或写入记录介质的装置。 根据本发明,该方法包括以下步骤:将输入流(6)写入第一存储体(1); 当接收到第一组(1)的读取命令时,将输入流(6)的写入切换到第二存储体(2) 以及当接收到用于所述第二组(2)的读取命令时,将所述输入流(6)的写入切换回所述第一存储体(1)。
    • 7. 发明公开
    • Method for pre-processing packets in a bus interface
    • 韦斯特法伦Vorverarbeitung von Datenpaketen在einer Busschnittstelle
    • EP1059590A1
    • 2000-12-13
    • EP00110251.6
    • 2000-05-19
    • DEUTSCHE THOMSON-BRANDT GMBH
    • Brune, ThomasOstermann, RalfCahnbley, JensSchweidler, Siegfried
    • G06F13/40H04L29/06
    • H04L69/22
    • The IEEE1394 bus communication protocol has three layers: physical layer, link layer, and transaction layer. A link layer IC implements the interface to an external application and prepares data for sending on the bus, or interprets incoming data packets from the IEEE1394 bus. A physical layer IC implements the direct electrical connection to the bus and controls many functions including arbitration for sending data on the bus. A problem exists due to the fact that the header data of the IEEE1394 asynchronous data packets consists of 32 bit words which have to be interpreted as 32 bit words in the connected application data processing unit (30). The IEEE1394 bus interface unit (20) is defined to be of big endian type. In a little endian type application data processor (30) the data word order can only be correctly interpreted after a byte order change. According to the invention the byte order change is performed in the data link layer unit (21) automatically with hardware circuitry for asynchronous data packets.
    • IEEE1394总线通信协议有三层:物理层,链路层和事务层。 链路层IC实现与外部应用的接口,并准备用于在总线上发送的数据,或解释来自IEEE1394总线的输入数据分组。 物理层IC实现与总线的直接电连接,并控制许多功能,包括在总线上发送数据的仲裁。 由于IEEE1394异步数据包的标题数据由连接的应用数据处理单元(30)中必须被解释为32位字的32位字组成,所以存在问题。 IEEE1394总线接口单元(20)被定义为大端子类型。 在一个小端序型应用数据处理器(30)中,数据字顺序只能在字节顺序改变后才能正确解释。 根据本发明,在数据链路层单元(21)中,用异步数据分组的硬件电路自动执行字节顺序改变。
    • 8. 发明公开
    • Method and Bus Interface for linking a bus with an application device
    • Verfahren und Busschnittstelle zur Verbindung eines Buses mit einer Anwendungsvorrichtung
    • EP1037424A1
    • 2000-09-20
    • EP00103618.5
    • 2000-02-21
    • DEUTSCHE THOMSON-BRANDT GMBH
    • Schweidler, SiegfriedBrune, Thomas
    • H04L1/00H04L29/06
    • H04L12/40058H04L1/0061H04L12/40071H04L49/90H04L49/9057H04L49/9084H04L49/9089
    • The IEEE1394 bus communication protocol has three layers:
      physical layer, link layer, and transaction layer. A link layer IC implements the interface to an external application and prepares data for sending on the bus, or interprets incoming data packets from the IEEE1394 bus. A physical layer IC implements the direct electrical connection to the bus and controls many functions including arbitration for sending data on the bus. According to the invention the capacity of the on-chip memory becomes assigned in a flexible way in order to be able to meet the requirements for any specific service. Further, the on-chip memory is prevented from storing data packets containing transmission errors by CRC checking on the fly header data and other data. This is performed for asynchronous data packets as well as isochronous data packets, and allows to have a minimum on-chip memory capacity only.
    • IEEE1394总线通信协议有三层:物理层,链路层和事务层。 链路层IC实现与外部应用的接口,并准备用于在总线上发送的数据,或解释来自IEEE1394总线的输入数据分组。 物理层IC实现与总线的直接电连接,并控制许多功能,包括在总线上发送数据的仲裁。 根据本发明,以灵活的方式分配片上存储器的容量,以便能够满足任何特定服务的要求。 此外,片上存储器被防止通过对毛头数据和其他数据的CRC校验来存储包含传输错误的数据分组。 这是针对异步数据包和同步数据包执行的,并且允许仅具有最小的片上存储器容量。