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    • 1. 发明授权
    • Apparatus for message re-transmission on demand
    • 用于按要求进行消息重传的装置
    • US5694454A
    • 1997-12-02
    • US434211
    • 1995-05-04
    • Thomas Casey HillKwok Keung ChoiTri Thien DangLowell C. Hufferd, III
    • Thomas Casey HillKwok Keung ChoiTri Thien DangLowell C. Hufferd, III
    • H04W4/12H04M11/00H04Q7/08
    • H04W4/12
    • A communication system (100) providing analog message re-transmission on demand comprises a base station (114) and at least one portable communication transceiver (118). The base station (114) transmits an address (414) identifying the portable communication transceiver (118) to which a voice message is directed, and a session number (415) modulated in a first modulation format and a compressed analog message (418) representing the voice message modulated in a second modulation format. When the signal quality of the voice message played back in the portable communication transceiver (118) is perceived by the user to be unintelligible, the user can receive from the base station (114) a re-transmission of the compressed analog message (418) by generating a request for re-transmission of the compressed analog message (418).
    • 根据需要提供模拟消息重传的通信系统(100)包括基站(114)和至少一个便携式通信收发器(118)。 基站(114)发送识别语音消息所针对的便携式通信收发信机(118)的地址(414)和以第一调制格式调制的会话号码(415)和代表 以第二调制格式调制的语音消息。 当在便携式通信收发器(118)中回放的语音消息的信号质量被用户感知为不可理解时,用户可以从基站(114)接收压缩的模拟消息(418)的重新发送, 通过产生对所述压缩模拟消息的重传的请求(418)。
    • 2. 发明申请
    • METHODS AND APPARATUS TO GENERATE VIRTUAL-WORLD ENVIRONMENTS
    • 生成虚拟世界环境的方法和设备
    • US20130009994A1
    • 2013-01-10
    • US13634836
    • 2011-03-03
    • Thomas Casey Hill
    • Thomas Casey Hill
    • G09G5/00
    • G06N3/006
    • Example methods and apparatus to generate virtual-world environments are disclosed. A disclosed example method involves receiving real-world data associated with a real-world environment in which a person is located at a particular time and receiving virtual-reality data representative of a virtual-world environment corresponding to the real-world environment in which the person was located at the particular time. The method also involves displaying the virtual-world environment based on the virtual-reality data and displaying, in connection with the virtual-world environment, a supplemental visualization based on supplemental user-created information. The supplemental user-created information is obtained based on the real-world data.
    • 公开了用于生成虚拟世界环境的示例性方法和装置。 所公开的示例性方法包括接收与人在特定时间位于其中的真实世界环境相关联的真实世界数据,并且接收代表对应于真实世界环境的虚拟世界环境的虚拟现实数据,其中, 人位于特定的时间。 该方法还涉及基于虚拟现实数据显示虚拟世界环境,并结合虚拟世界环境,显示基于补充用户创建信息的补充可视化。 补充用户创建的信息是基于真实世界的数据获得的。
    • 4. 发明授权
    • Method for transmitting collision-free messages in a communication system and apparatus therefor
    • 用于在通信系统中发送无冲突消息的方法及其装置
    • US06781978B1
    • 2004-08-24
    • US09285849
    • 1999-04-05
    • Hai XieThomas Casey HillJheroen Pieter Dorenbosch
    • Hai XieThomas Casey HillJheroen Pieter Dorenbosch
    • H04Q724
    • H04W28/06H04W4/12H04W24/00H04W72/0446
    • A plurality of wireless transceivers (114) for communicating messages to SCRs (Selective Call Radios) (116) include a radio transceiver (402, 404, 406, 408), and a processing system (412) coupled thereto. A periodic communication cycle (FIG. 9) is divided into a plurality of time slots, each time slot having a duration equal to or greater than the predetermined propagation delay of a signal transmitted between wireless transceivers. Each of the wireless transceivers is assigned to a corresponding one of the time slots. To transmit a message from a selected one of the wireless transceivers to a targeted SCR, the processing system of each of the wireless transceivers is adapted to locate the targeted SCR. Once the targeted SCR is located, the processing system of the wireless transceiver co-located with the targeted SCR is adapted to enable the radio transceiver to monitor transmission energy in the communication medium during a time slot immediately preceding the time slot assigned to said wireless transceiver. If the energy measured is below a predetermined threshold, the processor is adapted to cause the radio transceiver to transmit at least a portion of the message to the targeted transceiver beginning at the time slot assigned to said wireless transceiver.
    • 用于向SCR(选择性呼叫无线电)(116)传送消息的多个无线收发机(114)包括无线电收发机(402,404,406,408)和耦合到其的处理系统(412)。 周期性通信周期(图9)被划分为多个时隙,每个时隙具有等于或大于在无线收发器之间传输的信号的预定传播延迟的持续时间。 每个无线收发器被分配给相应的一个时隙。 为了将消息从所选择的一个无线收发器发送到目标SCR,每个无线收发器的处理系统适于定位目标SCR。 一旦目标SCR被定位,与目标SCR共处的无线收发器的处理系统适于使得无线电收发器能够在分配给所述无线收发器的时隙之前的时隙期间监视通信介质中的传输能量 。 如果测量的能量低于预定阈值,则处理器适于使无线电收发器从分配给所述无线收发器的时隙开始将消息的至少一部分传送到目标收发器。