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    • 2. 发明授权
    • Portable radio telephone
    • 便携式收音机
    • US4430755A
    • 1984-02-07
    • US263797
    • 1981-05-14
    • Mark NadirGordon W. JamesWilliam J. KuznickiJerome A. Nieds
    • Mark NadirGordon W. JamesWilliam J. KuznickiJerome A. Nieds
    • H04W4/06H04W72/02H03J7/18
    • H04W88/02H04W24/00H04W4/06H04W72/0413
    • A system for radio-telephone communication between a user at a remote location and the commercial telephone system or between two users at remote locations comprises a fixed terminal that is connected by wire lines or the like to the commercial telephone system and a plurality of portable radio units. The terminal is equipped for duplex operation on a plurality of channels, each of which uses separate frequency bands for transmitting and receiving. Each of the portable units is a simplex transceiver adapted to receive on each of the frequencies of transmission from the terminal and to broadcast on each of the frequencies received by the terminal. The terminal places a channel acquisition tone on an unused channel that is the next to be used. The terminal calls portable unit by shifting channel acquisition tone to another channel and broadcasting an identifier to the portable unit. The called portable unit responds to its individual identifier by sounding an audible alert and producing an audible verbal message if one is sent from the terminal. A portable can also originate a message by calling the terminal. A delay period provides time for the portable to recognize its identifier before beginning to scan for channel acquisition tone. Circuits and logic in the portable produce a busy signal if the user attempts to call at a time when the portable is not receiving channel acquisition tone. A reset in the portable unit provides means for the user to terminate the call.
    • 用于远程位置的用户与商业电话系统之间或远程位置的两个用户之间的无线电话通信系统包括通过有线线路等连接到商用电话系统的固定终端和多个便携式无线电 单位。 该终端装备在多个信道上进行双工操作,每个信道使用单独的频带进行发送和接收。 每个便携式单元是适于从终端接收每个发射频率并在终端接收的每个频率上广播的单工收发器。 终端在未使用的通道上放置一个通道采集音,该通道是下一个要使用的通道。 终端通过将信道获取音转换到另一频道并将标识符广播到便携式单元来呼叫便携式单元。 所呼叫的便携式单元通过发出可听到的警报来响应其个人标识符,并且如果从终端发送了可听见的语音消息则产生可听见的口头消息。 便携式还可以通过呼叫终端来发起消息。 在开始扫描频道获取音之前,延迟时间提供便携式识别其标识符的时间。 如果用户在便携式设备没有接收频道采集音的时候尝试呼叫,则便携式电路和逻辑产生忙信号。 便携式单元中的复位提供用于终止呼叫的手段。
    • 4. 发明授权
    • Dynamic method and apparatus for controlling device temperature during continuous transmissions
    • 用于在连续传输期间控制设备温度的动态方法和装置
    • US06718164B1
    • 2004-04-06
    • US09561082
    • 2000-04-28
    • Jose E. KornelukDavid S. SeekinsMahesh BhutaAnthony Rodrigues, Jr.Gordon W. James
    • Jose E. KornelukDavid S. SeekinsMahesh BhutaAnthony Rodrigues, Jr.Gordon W. James
    • H04B1700
    • H03F1/52H03F1/30
    • A communication device (100, 200) capable of transmitting information provides the means for regulating the temperature (116) of one or more heat-sensitive modules or components (160) of the communication device through the adaptive and dynamic control of the flow of transmissions by the communication device, thereby eliminating the need for stored thermal profiles of heat-sensitive modules of the communication device. In addition to the heat-sensitive module(s), the communication device has a multi-logic controller block (110) and a transmission flow control block (140). The multi-logic controller block (110) receives the temperature of the heat-sensitive module (116) and a first control clock (112) and utilizes multi-value logic to generate a flow control signal having hysteresis (126). The flow control block (140) is coupled to the multi-logic controller block (110) and the heat-sensitive module(s) (160) and operates to generate a transmission control signal adapted to control transmission of information by the communication device in accordance with the flow control signal (126) and a second control clock (142) provided to the flow control block (140).
    • 能够发送信息的通信设备(100,200)通过对传输流的自适应和动态控制来提供用于调节通信设备的一个或多个热敏模块或组件(160)的温度(116)的装置 通过通信装置,从而消除对通信装置的热敏模块的存储热分布的需要。 除了热敏模块之外,通信设备还具有多逻辑控制器块(110)和传输流控制块(140)。 多逻辑控制器块(110)接收热敏模块(116)的温度和第一控制时钟(112),并利用多值逻辑产生具有迟滞的流控制信号(126)。 流控制块(140)耦合到多逻辑控制器块(110)和热敏模块(160),并且操作以产生适于控制通信设备在信息传输中的传输控制信号 根据提供给流量控制块(140)的流量控制信号(126)和第二控制时钟(142)。