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    • 1. 发明授权
    • Three terminal remotely controlled SPDT antenna switch
    • 三端子遥控SPDT天线开关
    • US4803447A
    • 1989-02-07
    • US161502
    • 1988-02-29
    • Charles A. SchultzPaul D. MarkoGiovanni Jaramillo
    • Charles A. SchultzPaul D. MarkoGiovanni Jaramillo
    • H01Q21/00H01P1/15H01Q3/24H04B1/18H03H11/36
    • H01Q3/24H04B1/18
    • An antenna switch (302) includes a radio terminal (R) and first and second antenna terminals (A1 and A2). When the second antenna terminal (A2) is unterminated, the radio terminal (R) is coupled to the first antenna terminal (A1). When the second antenna terminal (A2) is connected to a remote antenna system (304), the switch automatically couples the radio terminal (R) to the second antenna terminal (A2). Thus, the switch does not require a separate control terminal (C) and control signal to switch between the first and second antenna terminals. Instead, the switch is controlled by the presence or absence of a DC current at the second antenna terminal (A2). The remote antenna system includes a remote antenna (308) and a low pass filter (310) coupled between the remote antenna and ground. An alternate embodiment is described which includes a DC amplifier (402).
    • 天线开关(302)包括无线电终端(R)和第一和第二天线终端(A1和A2)。 当第二天线端子(A2)未端接时,无线电终端(R)耦合到第一天线端子(A1)。 当第二天线终端(A2)连接到远程天线系统(304)时,交换机将无线终端(R)自动地耦合到第二天线终端(A2)。 因此,开关不需要单独的控制端子(C)和控制信号在第一和第二天线端子之间切换。 相反,开关由第二天线端子(A2)处的DC电流的存在或不存在来控制。 远程天线系统包括耦合在远程天线和地之间的远程天线(308)和低通滤波器(310)。 描述了包括DC放大器(402)的替代实施例。
    • 2. 发明授权
    • System and method for improved traffic flow reporting using satellite digital audio radio service (SDARS) and vehicle communications, navigation and tracking system
    • 使用卫星数字音频无线电业务(SDARS)和车辆通信,导航和跟踪系统改进交通流量报告的系统和方法
    • US08725398B2
    • 2014-05-13
    • US13468804
    • 2012-05-10
    • Paul D. Marko
    • Paul D. Marko
    • G06G7/70G08G1/00
    • G08G1/012G08G1/0112G08G1/0133G08G1/0141G08G1/091G08G1/096716G08G1/09675G08G1/096775
    • Systems and methods are provided for improved traffic flow reporting (e.g., system bandwidth conservation and timely traffic flow updates) using in-vehicle devices, service hub, and communications system for transmitting aggregated traffic flow data to the vehicles. In-vehicle devices store data relating to monitored segments of roadways (e.g., segment identifiers or location codes and designated range(s) of speed), and send messages to the hub when current vehicle speed is not within a selected range designated for the current segment of roadway where the vehicle is located. Vehicles can be configured to send messages based on various criteria. A selected vehicle or group of vehicles can be commanded to send a message to the hub. The hub provides updated traffic flow data based on the messages to the communications system for transmission to the vehicles.
    • 提供了系统和方法,用于使用车载设备,服务集线器和通信系统来改进业务流量报告(例如,系统带宽保护和及时的业务流更新),用于向车辆发送聚合业务流数据。 车内设备存储与被监控的道路段有关的数据(例如,段标识符或位置代码和指定的速度范围),并且当当前车辆速度不在为当前所指定的选定范围内时,向轮毂发送消息 车辆所在的道路段。 车辆可以配置为根据各种标准发送消息。 可选择选定的车辆或一组车辆向轮毂发送消息。 集线器基于向通信系统的消息提供更新的业务流数据,以传输到车辆。
    • 3. 发明授权
    • Method and apparatus for concatenated convolutional encoding and interleaving
    • 用于级联卷积编码和交织的方法和装置
    • US08667344B2
    • 2014-03-04
    • US13618906
    • 2012-09-14
    • Paul D. Marko
    • Paul D. Marko
    • G06F11/00
    • H04L1/0059H03M13/23H03M13/27H03M13/2936H03M13/3761H03M13/6362H04L1/0041H04L1/0054H04L1/0057H04L1/0065H04L1/0068H04L1/0071H04L1/0656H04L1/08
    • A method and apparatus encode a source data stream via convolutional encoding or selected encoding scheme. Plural encoded data streams are interleaved and transmitted on a transmission channel. Data groups generated via convolutional or selected encoding are interleaved via time-interleaving functions to disperse selected bits within data groups, bits in between data groups, and bits in selected sets of data groups to facilitate reconstruction of the source data stream from at least a portion of the interleaved data stream received on at least one transmission channel. Subsets of bits of data groups are selected to allow reconstruction of the source data stream from more than one of plural transmission channels using a minimum number of subsets. Multiple combinations of subsets can be received on both transmission channels to reconstruct the source data stream following blockage of one channel.
    • 一种通过卷积编码或选择的编码方案对源数据流进行编码的方法和装置。 多个编码数据流被交织并在传输信道上传输。 通过卷积或选择的编码生成的数据组经由时间交织功能进行交织,以分散数据组内的选定位,数据组之间的位,以及所选择的数据组组中的位,以便于从至少一部分重建源数据流 在至少一个传输信道上接收的交错数据流。 选择数据组的位的子集以允许使用最小数量的子集从多个传输信道中的多于一个重建源数据流。 可以在两个传输信道上接收子集的多个组合,以在一个信道被阻塞之后重构源数据流。
    • 8. 发明授权
    • System for audio broadcast channel remapping and rebranding using content insertion
    • 使用内容插入的音频广播频道重新映射和更名品牌的系统
    • US07822381B2
    • 2010-10-26
    • US11892475
    • 2007-08-23
    • G. David MantelPaul D. Marko
    • G. David MantelPaul D. Marko
    • H04Q7/20
    • H04H60/375G06Q30/0207G06Q30/0209H04H20/106
    • A system is provided for generating a remapped audio stream at digital audio broadcast radios from a first audio stream using content insertion to allow tiered subscription services. A remapped audio stream is rebranded by extracting segments from the first audio stream relating to channel identification segments and disk jockey talking segments and replacing them with stored audio items (e.g., commercials, different channel identification segments and different disk jockey talking segments). Stored audio items for insertion are broadcast to the radios with messages for controlling the scheduling of insertion at the radios, and the storage and deletion of these audio segments at the radios. Stored audio items and messages can be sent using a different, localized broadcast system from that used to transmit the source audio stream to permit market-specific commercial insertion. Group file format for delivery permits intermittently used radios to receive the stored audio items and messages.
    • 提供了一种用于使用内容插入从第一音频流在数字音频广播无线电处产生重新映射的音频流以允许分层订阅服务的系统。 重新映射的音频流通过从与信道标识段和磁盘骑师谈话段相关的第一音频流中提取段来重新标记,并用存储的音频项(例如,广告,不同的信道标识段和不同的磁盘骑师谈话段)来替换它们。 用于插入的存储的音频项目被广播到具有消息的无线电装置,用于控制在无线电装置处的插入调度,以及在无线电装置处存储和删除这些音频段。 可以使用与用于传送源音频流的不同的本地化广播系统来发送存储的音频项目和消息,以允许市场特定的商业插入。 用于传送的组文件格式允许间歇性使用的无线电接收存储的音频项目和消息。