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    • 1. 发明申请
    • Method for Providing Visual Feedback for Vowel Quality
    • 为元音质量提供视觉反馈的方法
    • US20150364146A1
    • 2015-12-17
    • US14302083
    • 2014-06-11
    • David LarsenDan Smith
    • David LarsenDan Smith
    • G10L21/10
    • G10L21/14G10L2021/065
    • A method for obtaining visual feedback for vowel quality is disclosed. By filtering and decomposing audio signals in formants, one or more software modules and/or applications may determine the type of phoneme in an audio signal that corresponds to a vowel. First and second formants may be measured in their frequencies; subsequently frequencies values of first formant and second formant may be assigned as X and Y coordinates, respectively. These (X,Y) coordinates may be used for graphing points and trajectories of the points in a Cartesian coordinate system while the user is pronouncing a vowel. Thus, graphic feedback for vowel pronunciation may be obtained.
    • 公开了一种获得元音质量视觉反馈的方法。 通过对共振体中的音频信号进行滤波和分解,一个或多个软件模块和/或应用可以确定与元音对应的音频信号中的音素的类型。 第一和第二共振峰可以以其频率进行测量; 随后可将第一共振峰和第二共振峰的频率值分配为X和Y坐标。 这些(X,Y)坐标可以用于在用户发音元音时在笛卡尔坐标系中的点的图形点和轨迹。 因此,可以获得元音发音的图形反馈。
    • 4. 发明授权
    • Data transport protocol for a multi-station network
    • 多站网络的数据传输协议
    • US08213438B2
    • 2012-07-03
    • US10875995
    • 2004-06-24
    • James David LarsenPaul Jonathan Rodman
    • James David LarsenPaul Jonathan Rodman
    • H04L12/56
    • H04W40/24H04W24/00H04W40/02H04W40/10H04W40/246H04W74/00H04W84/042H04W84/22H04W88/04H04W88/08Y02D70/142Y02D70/30Y02D70/326
    • The invention relates to a method of operating a communication network, the network comprising a plurality of stations which are able to transmit data to and receive data from one another so that a message comprising a plurality of data packets is sent from an originating station to a destination station via at least one opportunistically selected intermediate station. The method makes use of probe signals transmitted from each station on a selected probing channel to which other stations respond to indicate their availability as destination or intermediate stations. A Request to Send message is sent, with a Clear to Send message returned by an available station. The station with data to send opportunistically selects an available station and the selected station uses a Packet Acknowledge message to confirm successful reception of the transmitted data packet. An End-to-End Acknowledge message is sent by the originating station, directly or indirectly, to confirm receipt of said data packets.
    • 本发明涉及一种操作通信网络的方法,该网络包括能够将数据彼此传输和接收数据的多个站,使得包括多个数据分组的消息从始发站发送到 目的地站经由至少一个机会选择的中间站。 该方法利用从其他站响应的所选探测信道上的每个站发送的探测信号,以指示其作为目的地或中间站的可用性。 发送请求发送消息,具有由可用站返回的清除发送消息。 具有要发送的数据的站机会地选择可用站,并且所选站使用分组确认消息来确认成功接收所发送的数据分组。 端到端确认消息由发起站直接或间接地发送以确认接收到所述数据分组。
    • 6. 发明申请
    • Adaptive Antenna System for Diversity and Interference Avoidance in a Multi-Station Network
    • 自适应天线系统,用于多站网络中的多样性和干扰避免
    • US20100034134A1
    • 2010-02-11
    • US12518905
    • 2007-12-14
    • James David Larsen
    • James David Larsen
    • H04B7/14H04B15/00
    • H04W16/28H04W16/32H04W48/12H04W84/12
    • The invention provides a method of operating a communication network and a network itself. The network comprises a plurality of wireless stations, each station being able to transmit and receive data so that the network can transmit a message comprising a plurality of data packets from an originating station to a destination station via at least one intermediate station. At least some of the stations have a controllable antenna system operable to direct a null selectively. The method includes selecting, at each station, one or more probing channels for the transmission of probe signals to other stations. At stations having a controllable antenna system, the presence of interference on said one or more probing channels is detected, and one or more nulls are selectively directed towards the source or sources of the interference. Typically, a null is directed towards a source of interference where the level of the interference exceeds a predetermined level. Each station transmits neighbor gathering probe signals on the selected probing channel or channels, and other stations which receive the neighbor gathering probe signals from a probing station respond directly or indirectly to thereby indicate to the probing station their availability as destination or intermediate neighbor stations. The presence of the nulls affects the ability of other stations to receive the neighbor gathering probe signals, and the resulting variations in the connectivity between stations provides variations in the availability of neighbor stations to each station.
    • 本发明提供了一种操作通信网络和网络本身的方法。 网络包括多个无线站,每个站能够发送和接收数据,使得网络可以经由至少一个中间站将包括多个数据分组的消息从发起站发送到目的地站。 至少一些站具有可操作以有选择地引导无效的可控天线系统。 该方法包括在每个站点选择用于将探测信号传输到其它站的一个或多个探测信道。 在具有可控天线系统的站处,检测在所述一个或多个探测信道上的干扰的存在,并且一个或多个零点被选择性地指向干扰源或源。 通常,零点指向干扰源,其中干扰电平超过预定电平。 每个站在所选择的探测信道或信道上发送相邻采集探测信号,并且从探测站接收邻居采集探测信号的其他站直接或间接地进行响应,从而向探测站指示其作为目的地或中间邻居站的可用性。 空值的存在影响其他站接收邻居采集探测信号的能力,并且由此产生的站间连通性的变化提供了对各个站的相邻站的可用性的变化。
    • 10. 发明授权
    • Low crosstalk electrical connector
    • 低串扰电连接器
    • US5921818A
    • 1999-07-13
    • US881030
    • 1997-06-23
    • Wayne David LarsenJulian Robert Pharney
    • Wayne David LarsenJulian Robert Pharney
    • H05K1/02H05K3/20H01R23/02
    • H01R13/6467H01R13/6477H05K1/0216H05K3/202Y10S439/941
    • A high frequency electrical connector includes a number of input terminals and output terminals that are interconnected by three metallic lead frames mounted on a dielectric spring block. The lead frames comprise flat elongated conductors, each terminating in a spring contact at one end and an insulation displacement connector at the other end. The lead frames are mounted on top of each other and their conductors are generally parallel and close to each other. Selected conductors of the lead frames crossover each other when they are mounted on the spring block but are prevented from making contact with each other at the crossover point. One pair of adjacent conductors are spaced a first distance from each other up to the crossover point, and a second, greater distance from each other beyond the crossover point for a portion of their lengths. The conductors of the one pair cross each other at a second crossover point. The conductors of a second conductor pair are crossed over one of the conductors of a third conductor pair and are closely spaced at the crossover point.
    • 高频电连接器包括通过安装在介电弹簧块上的三个金属引线框架互连的多个输入端子和输出端子。 引线框架包括平坦的细长导体,每个端子在一端处于弹簧触点和另一端处的绝缘位移连接器。 引线框架安装在彼此的顶部,并且它们的导体大致平行并且彼此靠近。 引线架的选定导体在安装在弹簧块上时彼此交叉,但是防止在交叉点处彼此接触。 一对相邻的导体彼此间隔开直到交叉点,并且相对于它们的长度的一部分彼此超过交叉点的第二较大距离。 一对的导体在第二个交叉点处彼此交叉。 第二导体对的导体跨过第三导体对的导体中的一个,并且在交叉点处紧密间隔开。