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    • 1. 发明授权
    • Time-shifting data in digital radio system
    • 数字无线电系统中的时移数据
    • US07280662B2
    • 2007-10-09
    • US10700208
    • 2003-11-03
    • Glenn A. WalkerJerral A. LongWilliam E. Dyson
    • Glenn A. WalkerJerral A. LongWilliam E. Dyson
    • H04K1/00H04N1/44H04N7/10H04N7/173G06F11/30G06F12/14H04L9/32
    • H04B7/18523
    • A satellite-based digital audio radio (SDAR) receiver is configured to temporarily store data that may be transmitted to the SDAR receiver at a time inconvenient to the subscriber. A memory arrangement buffers data output by a channel decoder. The SDAR receiver can use the buffered data prior to using any currently transmitted data. The buffered data is associated with buffered timing information that lags behind the current timing information associated with the currently transmitted data. The buffered data is available for use only once before a decryption subsystem receives the current timing information. If the subscriber uses the currently transmitted data, the decryption subsystem receives the current timing information. The decryption subsystem decrypts only data that is associated with timing information that is no earlier than the latest timing information received by the decryption subsystem. Accordingly, the buffered data becomes unavailable once the decryption subsystem receives the current timing information.
    • 基于卫星的数字音频无线电(SDAR)接收机被配置为临时存储可能在对用户不方便的情况下发送到SDAR接收机的数据。 存储装置缓冲由信道解码器输出的数据。 在使用任何当前传输的数据之前,SDAR接收器可以使用缓冲的数据。 缓冲的数据与缓冲的定时信息相关联,该信息落后于与当前发送的数据相关联的当前定时信息。 缓冲数据仅在解密子系统收到当前定时信息之前才可使用一次。 如果订户使用当前发送的数据,则解密子系统接收当前的定时信息。 解密子系统仅解密与不早于解密子系统接收到的最新定时信息的定时信息相关联的数据。 因此,一旦解密子系统接收当前的定时信息,缓冲的数据就变得不可用。
    • 2. 发明申请
    • Receiver system and method for switching among a plurality of antenna elements to receive a signal
    • 用于在多个天线元件之间切换以接收信号的接收机系统和方法
    • US20090075617A1
    • 2009-03-19
    • US11901893
    • 2007-09-19
    • Glenn A. WalkerEric A. DibiasoJerral A. LongMichael L. Hiatt, JR.
    • Glenn A. WalkerEric A. DibiasoJerral A. LongMichael L. Hiatt, JR.
    • H04B1/06
    • H04B7/0814H04B7/0808
    • A receiver system and method for switching among a plurality of antenna elements to receive a signal. At least a portion of plurality of antenna elements receive a transmitted signal, such that the transmitted signal includes a plurality of sub-channels that are transmitted in predetermined time intervals. A switching device is in communication with the plurality of antenna elements, and switches among single antenna elements to receive the transmitted signal. A controller is in communication with the switching device, and commands the switching device to select each of the antenna elements separately in predetermined periods of time based upon the predetermined time intervals of each of the sub-channels. A power level of the transmitted signal is determined during the predetermined period of time that corresponds to the predetermined time intervals, and the controller commands the switching device to switch to an antenna element based upon the determined power level.
    • 一种用于在多个天线元件之间切换以接收信号的接收机系统和方法。 多个天线元件的至少一部分接收发送信号,使得所发送的信号包括以预定时间间隔发送的多个子信道。 开关装置与多个天线元件通信,并且在单个天线元件之间切换以接收所发送的信号。 控制器与开关装置通信,并且命令开关装置基于每个子通道的预定时间间隔在预定时间段内分别选择每个天线元件。 在对应于预定时间间隔的预定时段期间确定发送信号的功率电平,并且控制器基于所确定的功率电平命令切换装置切换到天线元件。
    • 3. 发明授权
    • Receiver system and method for switching among a plurality of antenna elements to receive a signal
    • 用于在多个天线元件之间切换以接收信号的接收机系统和方法
    • US07957333B2
    • 2011-06-07
    • US11901893
    • 2007-09-19
    • Glenn A. WalkerEric A. DibiasoJerral A. LongMichael L. Hiatt, Jr.
    • Glenn A. WalkerEric A. DibiasoJerral A. LongMichael L. Hiatt, Jr.
    • H04W4/00
    • H04B7/0814H04B7/0808
    • A receiver system and method for switching among a plurality of antenna elements to receive a signal. At least a portion of plurality of antenna elements receive a transmitted signal, such that the transmitted signal includes a plurality of sub-channels that are transmitted in predetermined time intervals. A switching device is in communication with the plurality of antenna elements, and switches among single antenna elements to receive the transmitted signal. A controller is in communication with the switching device, and commands the switching device to select each of the antenna elements separately in predetermined periods of time based upon the predetermined time intervals of each of the sub-channels. A power level of the transmitted signal is determined during the predetermined period of time that corresponds to the predetermined time intervals, and the controller commands the switching device to switch to an antenna element based upon the determined power level.
    • 一种用于在多个天线元件之间切换以接收信号的接收机系统和方法。 多个天线元件的至少一部分接收发送信号,使得所发送的信号包括以预定时间间隔发送的多个子信道。 开关装置与多个天线元件通信,并且在单个天线元件之间切换以接收所发送的信号。 控制器与开关装置通信,并且命令开关装置基于每个子通道的预定时间间隔在预定时间段内分别选择每个天线元件。 在对应于预定时间间隔的预定时段期间确定发送信号的功率电平,并且控制器基于所确定的功率电平命令切换装置切换到天线元件。
    • 5. 发明授权
    • Over-dwell protection circuit for an automotive ignition control system
    • 汽车点火控制系统过载保护电路
    • US07013882B2
    • 2006-03-21
    • US10647946
    • 2003-08-26
    • Jerral A. LongScott B. KeslerRaymond O. Butler, Jr.
    • Jerral A. LongScott B. KeslerRaymond O. Butler, Jr.
    • F02P9/00
    • F02P3/0453F02D2041/2065F02D2041/2075
    • An ignition control circuit (12) is responsive to a control signal (ESTC) to apply a drive signal (GD) to a power switching device (22) to conduct ignition coil current (IC) therethrough. A resistor (RS) included within the circuit (12) receives, and dissipates heat generated by, the coil current (IC). The circuit (12) includes a first transistor (QHOT) positioned adjacent to the resistor (RS) such that an operating temperature thereof is near that of the resistor (RS), and a second transistor (QREF) positioned remote from the resistor (RS) and having an operating temperature defining a reference temperature. The first and second transistors (QHOT, QREF) are configured to produce an output voltage (VOUT) proportional to a difference in operating temperatures thereof, and a latch circuit (L1) disables the control signal (ESTC) to thereby turn off the power switching device (22) when the output voltage (VOUT) difference exceeds a reference voltage (VREF).
    • 点火控制电路(12)响应于控制信号(ESTC),以将驱动信号(GD)施加到功率开关装置(22),以通过其传导点火线圈电流(I C)。 包括在电路(12)内的电阻(R SUB S S)接收并消散由线圈电流(I SUB C)产生的热量。 电路(12)包括位于电阻器(R SUB S S)附近的第一晶体管(Q HOT),使得其工作温度接近电阻器(R 和位于远离电阻器(R SUB S))并且具有限定参考温度的工作温度的第二晶体管(Q REF) 。 第一和第二晶体管(Q HOT,Q REF)被配置为产生与操作差异成正比的输出电压(V OUT OUT) 其温度和锁存电路(L 1)在输出电压(V OUT OUT)超过参考电压(V OUT)时禁止控制信号(ESTC)从而关断电源开关装置(22) V REF REF / / SUB)。