公开(公告)号：US08601683B2

公开(公告)日：2013-12-10

申请号：US11379256

申请日：2006-04-19

申请人： Charles Cohn ,  Jeffrey M Klemovage

发明人： Charles Cohn ,  Jeffrey M Klemovage

IPC分类号： H05K3/02 ,  H05K3/10

CPC分类号： H05K3/4046 ,  H05K2201/10287 ,  H05K2201/10416 ,  Y10T29/49124 ,  Y10T29/49155

摘要： The present invention provides method of manufacture for a printed wiring board. The printed wiring board constructed according to the teachings of the present invention includes a printed wiring board dielectric layer having conductive foils located on at least two sides thereof. The printed wiring board further includes a solid core conductive material interconnecting the conductive foils.

摘要翻译： 本发明提供一种印刷线路板的制造方法。 根据本发明的教导构造的印刷线路板包括具有位于其至少两侧的导电箔的印刷线路板电介质层。 印刷线路板还包括将导电箔互连的固体芯导电材料。

公开(公告)号：US08543893B2

公开(公告)日：2013-09-24

申请号：US12837556

申请日：2010-07-16

申请人： Atul Kisanrao Hedaoo ,  Rayesh Kashinath Raikar

发明人： Atul Kisanrao Hedaoo ,  Rayesh Kashinath Raikar

IPC分类号： H03M13/00

CPC分类号： H03M13/05 ,  H03M13/13 ,  H04L1/0052 ,  H04L1/0057

摘要： In one embodiment, a receiver for a frame of media packets employing the real-time transmission protocol (RTP) and forward error correction (FEC) is disclosed. The receiver comprises a packet buffer and an FEC decoder. After a packet is received by the packet buffer, the FEC decoder reads the packet and, as part of FEC processing, performs an XOR operation on the packet, without waiting for the entire frame (or, indeed, for any subsequent packet of the frame) to be received. The XOR operation results are accumulated until sufficient packets are received to reconstruct a missing packet in the frame. Because the XOR operations are performed immediately after a packet is received, without any delay from waiting for subsequent packets, the receiver has a very low latency, and the packet buffer may be relatively small.

摘要翻译： 在一个实施例中，公开了一种采用实时传输协议（RTP）和前向纠错（FEC）的媒体分组帧的接收机。 接收机包括分组缓冲器和FEC解码器。 在分组缓冲器接收到分组之后，FEC解码器读取分组，并且作为FEC处理的一部分，在分组上执行XOR操作，而不等待整个帧（或实际上，对于帧的任何后续分组） ）被接收。 积累XOR运算结果，直到接收到足够的数据包来重构帧中丢失的数据包。 由于在接收到分组之后立即执行XOR操作，所以接收机没有等待后续分组的任何延迟，所以接收机具有非常低的延迟，并且分组缓冲器可能相对较小。

公开(公告)号：US20130236003A1

公开(公告)日：2013-09-12

申请号：US13873785

申请日：2013-04-30

申请人： AGERE SYSTEMS LLC

发明人： Jonathan H. Fischer ,  Donald R. Laturell ,  Lane A. Smith

IPC分类号： H04M3/22

CPC分类号： H04M3/2272 ,  H04M3/14

摘要： In one embodiment, a low cost, simple circuit for detecting an off-hook condition of a telecommunication line comprising tip and ring signal lines is provided. The circuit comprises a voltage divider for coupling between the tip and ring lines without an intervening transistor and having a node at which is presented a scaled version of a voltage across the voltage divider. The circuit further comprises a transistor having a control terminal coupled to the node, a first current flow terminal coupled to a voltage source, and a second current flow terminal coupled to an output terminal, wherein the output terminal bears a value that is indicative of a voltage across the tip and ring lines and thus whether the telecommunication line is off-hook.

摘要翻译： 在一个实施例中，提供了用于检测包括尖端和环形信号线的电信线路的摘机状态的低成本，简单的电路。 该电路包括用于在尖端和环形线之间耦合的分压器，而没有中间晶体管，并且具有节点，在该节点处呈现分压器两端的电压的缩放形式。 电路还包括晶体管，其具有耦合到节点的控制端子，耦合到电压源的第一电流端子和耦合到输出端子的第二电流端子，其中输出端子承载指示 尖端和环线两端的电压，从而电信线路是否摘​​机。

公开(公告)号：US08484535B2

公开(公告)日：2013-07-09

申请号：US12994288

申请日：2009-04-21

申请人： Nils Graef ,  Kiran Gunnam

发明人： Nils Graef ,  Kiran Gunnam

IPC分类号： G11C29/00

CPC分类号： H03M13/1102 ,  G06F11/1012 ,  G11B20/1833 ,  G11B2020/1823 ,  G11B2020/185 ,  G11B2220/2516 ,  G11B2220/61 ,  H03M13/1108 ,  H03M13/1142 ,  H03M13/455

摘要： Executed when a channel input (e.g., LDPC) codeword is written to a storage medium, a write-verification method (i) compares the channel input codeword to the written codeword, (ii) identifies any erroneous bits, and (iii) stores the erroneous-bit indices to a record in a table. At some later time, the written codeword is read and sent to a decoder. If the decoder fails with a near codeword, a write-error recovery process searches the table and retrieves the erroneous-bit information. The codeword bits at those indices are adjusted, and the modified codeword is submitted to further processing.

摘要翻译： 当通道输入（例如，LDPC）码字被写入存储介质时执行，写入验证方法（i）将信道输入码字与写入的码字进行比较，（ii）识别任何错误比特，以及（iii） 表中记录的错误位索引。 在稍后的时间，写入的码字被读取并发送到解码器。 如果解码器出现接近码字失败，则写入错误恢复过程将搜索表并检索错误位信息。 调整这些索引处的码字比特，并且修改的码字被提交进一步处理。

公开(公告)号：US08417287B2

公开(公告)日：2013-04-09

申请号：US13308807

申请日：2011-12-01

申请人： Walter G. Soto

发明人： Walter G. Soto

IPC分类号： H04M1/00

CPC分类号： H04W36/0066 ,  H04L29/06027 ,  H04L65/1006 ,  H04L65/103 ,  H04L65/104 ,  H04L65/1069 ,  H04W88/16

摘要： In one embodiment, a virtual gateway mediates between a dual-mode subscriber device and an IP-based PBX. In particular, the virtual gateway includes a WLAN interface for communicating with the dual-mode subscriber device and a network interface (wired or wireless) for communicating with the IP-based PBX over the Internet. As such, the virtual gateway may relay voice and call control instructions between the dual-mode subscriber device and the IP-based PBX, and may provide the same call control functions to the dual-mode subscriber device provided by the call control processor in existing dual-mode phones. The embodiment further provides a dual-mode subscriber device suitable for operation with the virtual gateway. Because the dual-mode subscriber device does not require a call control processor, the battery life and cost of the device are significantly improved.

摘要翻译： 在一个实施例中，虚拟网关在双模用户设备和基于IP的PBX之间进行中介。 特别地，虚拟网关包括用于与双模用户设备通信的WLAN接口和用于通过因特网与基于IP的PBX通信的网络接口（有线或无线）。 因此，虚拟网关可以在双模用户设备和基于IP的PBX之间中继语音和呼叫控制指令，并且可以向现有的呼叫控制处理器提供的双模用户设备提供相同的呼叫控制功能 双模手机 该实施例还提供了适合于与虚拟网关一起操作的双模用户设备。 由于双模用户设备不需要呼叫控制处理器，所以显着改善了设备的电池寿命和成本。

公开(公告)号：US20130058464A1

公开(公告)日：2013-03-07

申请号：US13667331

申请日：2012-11-02

申请人： Agere Systems LLC

发明人： Mizhou Tan

IPC分类号： H04M1/24

CPC分类号： H04B3/234 ,  H04M3/36 ,  H04M9/085

摘要： In one embodiment, the presence of double talk (DT) is detected in a telecommunications network having a near-end user and a far-end user. The energies of both (1) a signal received from the far-end user by the near-end user and (2) a signal to be communicated from the near-end user to the far-end user are computed. An echo return loss (ERL) estimate is calculated based on the energy calculations, and a preliminary decision is made as to whether DT is present based on the ERL estimate and the energy calculations. If DT is detected, then a counter is set to a hangover value. If DT is not detected, then the counter is reduced. This process is repeated, and, for each iteration, a final decision as to whether DT is present is made based on the counter value.

公开(公告)号：US08391301B2

公开(公告)日：2013-03-05

申请号：US12541909

申请日：2009-08-14

申请人： Noel Charles Canning ,  Norman Goris ,  Harald Oliver Morzinek ,  Wolfgang Scheit

发明人： Noel Charles Canning ,  Norman Goris ,  Harald Oliver Morzinek ,  Wolfgang Scheit

IPC分类号： H04L12/28 ,  H04B1/38 ,  G06F15/16

CPC分类号： H04L1/1628 ,  H04L1/0009 ,  H04L1/1809 ,  H04L1/1835 ,  H04L1/1874

摘要： The present invention provides a method for transmitting data and a transceiver. In one embodiment, the method includes: (1) generating data blocks of a data package in a first transceiver to transmit to a second transceiver, the first transceiver including a micro-controller coupled to a digital signal processor, (2) generating identification data in the first transceiver for the data blocks, wherein the identification data is an index of a list of the data blocks to be transmitted and each of the data blocks is transmitted with the index and (3) identifying the data blocks to be transmitted to the second transceiver based on the identification data, wherein the microcontroller employs the index to manage transmission of the data blocks.

摘要翻译： 本发明提供一种发送数据和收发信机的方法。 在一个实施例中，该方法包括：（1）产生第一收发器中的数据包的数据块以发送到第二收发器，第一收发器包括耦合到数字信号处理器的微控制器，（2）产生识别数据 在数据块的第一收发器中，其中识别数据是要发送的数据块的列表的索引，并且每个数据块都用索引发送，并且（3）识别要发送到的数据块 基于所述识别数据的第二收发器，其中所述微控制器采用所述索引来管理所述数据块的传输。

公开(公告)号：US08351520B2

公开(公告)日：2013-01-08

申请号：US12377192

申请日：2007-09-19

申请人： Graeme K. Woodward

发明人： Graeme K. Woodward

IPC分类号： H04L27/28 ,  H04K1/10

CPC分类号： H04L27/2614

摘要： In one embodiment, an algorithm dynamically selects a method for reducing distortion in a multi-carrier modulated signal, such as an orthogonal frequency division multiplexing (OFDM) signal. The algorithm directs a transmitter to transmit peak-to-average power ratio (PAPR)-reduction signals over reserved tones (i.e., frequencies) if reserved tones are available. If reserved tones are not available, then the algorithm directs the transmitter to transmit PAPR-reduction symbols over free tones if free tones are available. If the free tones for this transmitter are used by adjacent transmitters, then interference-reduction techniques may be used to reduce interference with the adjacent transmitters. If reserved tones and free tones are not available, then the transmitter may use an alternative method to reduce distortion, such as successive clipping and filtering. In another embodiment, the transmitter may transmit PAPR-reduction symbols over both free and reserved tones, if available.

摘要翻译： 在一个实施例中，算法动态地选择减少诸如正交频分复用（OFDM）信号的多载波调制信号中的失真的方法。 如果保留的音调可用，该算法指示发射机在保留的音调（即，频率）上发射峰均功率比（PAPR） - 减小信号。 如果保留的音调不可用，则如果可用音调可用，则算法指示发射机在自由音调上发送PAPR减少符号。 如果该发射机的自由音由相邻发射机使用，则可以使用干扰减少技术来减少与相邻发射机的干扰。 如果保留的音调和自由音调不可用，则发射机可以使用替代方法来减少失真，例如连续的削波和滤波。 在另一个实施例中，如果可用，发射机可以在自由和保留的音调两者之间传送PAPR减少符号。

公开(公告)号：US08350589B2

公开(公告)日：2013-01-08

申请号：US12738931

申请日：2009-01-27

申请人： James D. Chlipala ,  Richard P. Martin ,  Richard Muscavage ,  Scott A. Segan

发明人： James D. Chlipala ,  Richard P. Martin ,  Richard Muscavage ,  Scott A. Segan

IPC分类号： H03K19/00 ,  G01R31/28

CPC分类号： H03K19/00 ,  G01R31/31858 ,  H03K5/135

摘要： An integrated circuit having a monitor circuit for monitoring timing in a critical path having a target timing margin is disclosed. The monitor circuit has two shift registers, one of which includes a delay element that applies a delay value to a received signal. The inputs to the two shift registers form a signal input node capable of receiving an input signal. The monitor circuit also has a logic gate having an output and at least two inputs, each input connected to a corresponding one of the outputs of the two shift registers. The output of the logic gate indicates whether the target timing margin is satisfied or not satisfied.

摘要翻译： 公开了一种具有用于监视具有目标定时裕度的关键路径中的定时的监视器电路的集成电路。 监视器电路具有两个移位寄存器，其中之一包括向接收信号施加延迟值的延迟元件。 两个移位寄存器的输入形成能够接收输入信号的信号输入节点。 监视器电路还具有一个具有输出和至少两个输入的逻辑门，每个输入连接到两个移位寄存器的相应输出之一。 逻辑门的输出指示目标定时裕度是否满足或不满足。

公开(公告)号：US08340306B2

公开(公告)日：2012-12-25

申请号：US11667747

申请日：2005-11-22

申请人： Christof Faller

发明人： Christof Faller

IPC分类号： H04R5/00

CPC分类号： H04S1/002 ,  G10L19/008

摘要： A binaural cue coding scheme involving one or more object-based cue codes, wherein an object-based cue code directly represents a characteristic of an auditory scene corresponding to the audio channels, where the characteristic is independent of number and positions of loudspeakers used to create the auditory scene. Examples of object-based cue codes include the angle of an auditory event, the width of the auditory event, the degree of envelopment of the auditory scene, and the directionality of the auditory scene.

摘要翻译： 一种涉及一个或多个基于对象的提示码的双耳提示编码方案，其中基于对象的提示码直接表示对应于音频信道的听觉场景的特征，其中该特征独立于用于创建的扬声器的数量和位置 听觉场面。 基于对象的提示代码的示例包括听觉事件的角度，听觉事件的宽度，听觉场景的包络程度以及听觉场景的方向性。