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41. 发明授权

US5901360A Automatic adjustment delay technique for simulcast of paging system 失效
标题翻译：寻呼系统联播的自动调整延迟技术
公开(公告)号：US5901360A
公开(公告)日：1999-05-04
申请号：US752257
申请日：1996-11-18
申请人： Kon-Soo Kim
发明人： Kon-Soo Kim
IPC分类号： H04B5/04 , H04H20/67 , H04B7/00
CPC分类号： H04H20/67
摘要： An automatic adjustment delay technique for a simulcast of a paging system includes: a reference clock supplying unit for supplying a synchronization signal used as a reference clock, a page data transmission board installed within the paging system for receiving the page data and transmitting the page data in synchronism with the reference clock supplied from the reference clock supplying unit, a plurality of transmission lines and transmission facilities installed between respective base stations and the page data transmission board for transmitting the page data to the base stations, and respective transmitters installed within the respective base stations for receiving the page data transmitted via the transmission lines and transmission facilities and for externally transmitting the page data in synchronism with the reference clock generated by the reference clock supplying unit.
摘要翻译：用于寻呼系统的联播的自动调整延迟技术包括：提供用作参考时钟的同步信号的参考时钟提供单元，安置在寻呼系统内的页面数据传输板，用于接收页面数据并发送页面数据与参考时钟提供单元提供的参考时钟同步，安装在各个基站之间的多个传输线路和传输设备以及用于将页面数据发送到基站的页面数据传输板，以及安装在各个基站基站，用于接收经由传输线路和传输设施传输的页面数据，并与由基准时钟提供单元生成的参考时钟同步地外部传送页面数据。

42. 发明授权

US5896560A Transmit control system using in-band tone signalling 失效
标题翻译：发射控制系统采用带内音调信令
公开(公告)号：US5896560A
公开(公告)日：1999-04-20
申请号：US631866
申请日：1996-04-12
申请人： Steve Pfiefer , Donald R. Bauman , James K. Lyon
发明人： Steve Pfiefer , Donald R. Bauman , James K. Lyon
IPC分类号： H04B1/60 , H04H20/67 , H04L12/12 , H04W84/08 , H04Q7/00
CPC分类号： H04H20/67 , H04B1/60 , H04L12/12 , H04W84/08
摘要： A transmit control system using in-band tones for activating and deactivating one or more remote sites. The transmit control system detecting energy in two or more spectral regions to determine if the signal received is a harmonic signal or a signalling tone to prevent accidental deactivation of the transmitter system. In one application, a modified Goertzel algorithm is employed by a digital signal processor to provide tone detection and a two stage detection provides controlled switching in noisy environments.
摘要翻译：一种使用带内音调激活和停用一个或多个远程站点的发射控制系统。发射控制系统检测两个或更多个频谱区域中的能量，以确定接收到的信号是否是谐波信号或信号音，以防止发射机系统的意外去激活。在一个应用中，数字信号处理器采用修改的Goertzel算法来提供音调检测，并且两级检测在噪声环境中提供受控的切换。

43. 再颁专利

USRE36017E Cellular digital mobile radio system and method of transmitting information in a digital cellular mobile radio system 失效
标题翻译：蜂窝数字移动无线电系统和在数字蜂窝移动无线电系统中发送信息的方法
公开(公告)号：USRE36017E
公开(公告)日：1998-12-29
申请号：US136760
申请日：1993-10-15
申请人： Jan E. Uddenfeldt , Alex K. Raith
发明人： Jan E. Uddenfeldt , Alex K. Raith
IPC分类号： H04B7/26 , H04H20/67 , H04W88/08 , H04B7/04
CPC分类号： H04H20/67 , H04B7/2625 , H04W88/08
摘要： The invention relates to a cellular digital mobile radio system including base stations (B.sub.m, B.sub.n) and mobile stations (MS.sub.1, MS.sub.2) with transmitters and receivers. The invention also relates to a method of transmitting message information digitally between mobile and base stations in such a system. In accordance with the invention, at least two base station transmitters (B.sub.ma, B.sub.mb, B.sub.na, B.sub.nb) at a given transmitting distance from each other are assigned to each of certain cells (C.sub.m, C.sub.n) within a restricted geographical area. The base station transmitters which are assigned to the same cell transmit digitally modulated radio signals within the same frequency range at least partially simultaneously to the mobile stations of the cell. The radio signals from different base station transmitters associated with the same cell are digitally modulated with the same message information to the mobile stations in the cell. Different base station transmitters (9A, 9B) preferably transmit the digitally modulated radio signals with the same message information to a given mobile station with a given mutual transmission time shift. Here, the transmission time shift is selected individually for each mobile station, such that corresponding digitally modulated radio signals with the same message information to a given mobile station from different base station transmitters arrive practically simultaneously at the mobile station.
摘要翻译：本发明涉及包括基站（Bm，Bn）和具有发射机和接收机的移动台（MS1，MS2）的蜂窝数字移动无线电系统。本发明还涉及在这种系统中在移动台和基站之间数字地发送消息信息的方法。根据本发明，在给定的发送距离彼此之间的至少两个基站发射机（Bma，Bmb，Bna，Bnb）被分配给受限地理区域内的某些小区（Cm，Cn）中的每一个。分配给相同小区的基站发射机至少部分地同时向小区的移动台发送在相同频率范围内的数字调制无线电信号。来自与相同小区相关联的不同基站发射机的无线电信号用相同的消息信息被数字调制到小区中的移动台。不同的基站发射机（9A，9B）优选地以给定的相互传输时间偏移将具有相同消息信息的数字调制无线电信号发送给给定的移动台。这里，对于每个移动台单独选择传输时移，使得具有相同消息信息的相应的数字调制无线电信号从不同的基站发射机到给定的移动台在移动台实际上同时到达。

44. 发明授权

US5805645A Control channel synchronization between DBC and Cellular networks 失效
标题翻译： DBC和蜂窝网络之间的控制信道同步
公开(公告)号：US5805645A
公开(公告)日：1998-09-08
申请号：US622631
申请日：1996-03-27
申请人： Thomas A. Przelomiec , Thomas A. Brown
发明人： Thomas A. Przelomiec , Thomas A. Brown
IPC分类号： H04B7/26 , H04H20/67 , H04W24/00 , H04W56/00 , H04L7/00 , H04B7/00 , H04Q7/00 , H04Q7/20
CPC分类号： H04W24/00 , H04B7/2684 , H04H20/67 , H04W56/00
摘要： A downbanded Cellular network (DBC) is provided to supplement an adjacent or coincident standard Cellular network. The control channels used by the DBC and standard Cellular network are synchronized to ensure proper hand-off between the DBC network and the standard network. Synchronization is achieved by monitoring the separation in time between timing pulses transmitted by the DBC network and the standard Cellular network.
摘要翻译：提供降频蜂窝网络（DBC）以补充相邻或重合的标准蜂窝网络。由DBC和标准蜂窝网络使用的控制信道进行同步，以确保DBC网络与标准网络之间的切换。通过监视由DBC网络发送的定时脉冲与标准蜂窝网络之间的时间间隔来实现同步。

45. 发明授权

US5802453A Radio paging transmitter which adjusts its transmission time based on detection of its own transmission delay 失效
标题翻译：无线寻呼发射机根据自身的传输延迟检测来调整传输时间
公开(公告)号：US5802453A
公开(公告)日：1998-09-01
申请号：US566434
申请日：1995-11-30
申请人： Yoshinori Kuroki , Toshiro Suzuki , Ayumu Koide , Takafumi Kojima , Yasuo Kogure
发明人： Yoshinori Kuroki , Toshiro Suzuki , Ayumu Koide , Takafumi Kojima , Yasuo Kogure
IPC分类号： G01S5/14 , G01S1/00 , G01S19/14 , H04H20/67 , H04W84/02 , H04W92/00 , H04M11/00
CPC分类号： H04H20/67 , H04W84/022
摘要： In a radio paging system and a radio paging method, in which all transmitters are simply synchronized with each other with a satisfactory precision. A central exchange and each transmitter are each provided with a GPS clock for measuring time according to a current time transmitted from the GPS clock. An encoder of the central exchange adds to a message received from a network a real time, which is information to specify time to send the message from each transmitter, according to the current time measured by the GPS clock thereof and then distributes the message to the transmitters. A synchronizing section of each transmitter sends from a transmitting unit the message distributed from the central exchange to a receiver at a time specified by the real time added to the message according to the current time measured by the GPS clock thereof.
摘要翻译：在无线寻呼系统和无线电寻呼方法中，所有发射机都以令人满意的精度简单地相互同步。中央交换机和每个发射机均设有GPS时钟，用于根据从GPS时钟发送的当前时间来测量时间。中央交换机的编码器根据由其GPS时钟测量的当前时间，实时地添加从网络接收的消息，该信息是指定从每个发射机发送消息的时间的信息，然后将消息分发给发射机。每个发射机的同步部分根据由其GPS时钟测量的当前时间，从发送单元发送从中央交换机向接收机分发的消息，该消息在由添加到消息中的实时指定的时间内发送。

46. 发明授权

US5729549A Simulcasting digital video programs for broadcast and interactive services 失效
公开(公告)号：US5729549A
公开(公告)日：1998-03-17
申请号：US491515
申请日：1995-06-19
申请人： Bruce Kostreski , Allan Schneider
发明人： Bruce Kostreski , Allan Schneider
IPC分类号： H04H20/33 , H04H20/63 , H04H20/67 , H04H20/81 , H04L12/28 , H04L12/56 , H04L29/06 , H04N7/10 , H04N7/173 , H04N7/20 , H04N21/40 , H04B7/005 , H04J4/00
CPC分类号： H04N7/20 , H04H20/18 , H04H20/67 , H04H20/81 , H04L12/2801 , H04L29/06 , H04L65/604 , H04N21/40 , H04N7/108 , H04N7/17309 , H04N7/17336 , H04H20/02 , H04H20/33 , H04H20/63 , H04L29/06027 , H04N2007/1739 , H04W4/06
摘要： To provide interactivity, a public wireless packet data network is combined with a broadband digital broadcast network. In the preferred embodiment, the broadcast network utilizes multiple transmitters at separately located sites simultaneously broadcasting the same multi-channel, multi-program signal. Broadcast waves from the transmitters propagate throughout substantially overlapping portions of the service area. Customer premises receiving systems include a receiving antenna and one or more digital entertainment terminals. The terminal includes a channel selector and digital receiver for capturing a digital transport stream from a selected channel. A processor converts selected program information from the transport stream for presentation, e.g. via a television set. The terminal also includes a CPU controlling the operation of the channel selector and the processor in response to user inputs. The CPU also communicates signaling information for interactive services via an RF packet data modem included in the terminal and the public wireless packet data network. In addition to the signaling for interactive services, the packet data network provides transport for data communications between other data devices.

47. 发明授权

US5689808A Multiple channel automatic simulcast control system 失效
标题翻译：多通道自动联播控制系统
公开(公告)号：US5689808A
公开(公告)日：1997-11-18
申请号：US641367
申请日：1994-03-10
申请人： Joel E. Sandahl , Scott A. McFarland , John F. Nagel
发明人： Joel E. Sandahl , Scott A. McFarland , John F. Nagel
IPC分类号： H04H20/67 , H04B7/00
CPC分类号： H04H20/67
摘要： Apparatus for effecting simulcast data broadcasting includes a source of information, a network control unit, and a plurality of transmitters. The network control unit includes a high-stability timebase which is coupled to the source of information to produce a signal clocked from the high-stability timebase and containing data and digital identifying information. Each of the plurality of transmitters is coupled to the network control unit to receive the signal, and each has a modulation-generating timebase. Each modulation-generating timebase is phase locked to the high-stability timebase by way of synchronization information included in the signal, and each is adjusted by a corresponding correction value provided by the network control unit, thereby providing a highly accurate coincident modulation of the plurality of transmitters during a radio broadcast containing the signal.
摘要翻译：用于实现联播数据广播的装置包括信息源，网络控制单元和多个发射机。网络控制单元包括高稳定性时基，其耦合到信息源以产生从高稳定性时基计时的信号并且包含数据和数字识别信息。多个发射机中的每一个耦合到网络控制单元以接收该信号，并且每个具有调制生成时基。每个调制生成时基通过包含在信号中的同步信息与高稳定时基相位锁定，并且通过由网络控制单元提供的对应的校正值进行调整，从而提供多个高精度的重合调制的发射机在包含信号的无线电广播期间。

48. 发明授权

US5684788A Method of providing a frame clock for data signals in a communications network and switching device of the network 失效
标题翻译：在网络的通信网络和交换设备中为数据信号提供帧时钟的方法
公开(公告)号：US5684788A
公开(公告)日：1997-11-04
申请号：US556950
申请日：1995-11-20
申请人： Erich Krech
发明人： Erich Krech
IPC分类号： H02J13/00 , H04H20/67 , H04J3/06 , H03L7/087
CPC分类号： H04H20/67 , H02J13/0006 , H04J3/0688
摘要： The method of providing a frame clock for data signals in a communications network includes determining phase positions (P1, P2, . . . ) of respective frame clock information (RT1, RT2, . . . ) of incoming data signals with respect to frame clock information (RTN) available at a switching point in at least one switching device (NK1, NK2, . . . ); storing in a memory device (SPN) in the at least one switching device (NK1, NK2, . . . ) values of all the determined phase positions; performing a phase control of the frame clock information (RTN) available at the switching point with respect to the frame clock information (RT1) of one incoming data signal; and when a loss of or interference with the frame clock information (RT1) with which a phase control was performed has occurred, performing a phase correction of the frame clock information (RT2) of another incoming data signal with the phase position of the frame clock information determined for the frame clock information (RT2) of the other incoming data signals prior to the loss or interference acting as a reference value. A switching device according to the invention is also provided for maintaining propogation delay stability, even in the case of loss or interference.
摘要翻译： PCT No.PCT / DE94 / 01518 Sec。 371日期：1995年11月20日 102（e）1995年11月20日日期PCT 1994年12月22日PCT PCT。公开号WO95 / 25389 日期1995年9月21日在通信网络中为数据信号提供帧时钟的方法包括确定输入数据信号的各帧时钟信息（RT1，RT2 ...）的相位位置（P1，P2 ...）关于在至少一个开关装置（NK1，NK2 ...）中的切换点可用的帧时钟信息（RTN）; 存储在所有确定的相位位置的至少一个开关装置（NK1，NK2 ...）中的存储装置（SPN）中; 对相对于一个输入数据信号的帧时钟信息（RT1）在切换点可用的帧时钟信息（RTN）执行相位控制; 并且当发生对执行了相位控制的帧时钟信息（RT1）的丢失或干扰时，对帧时钟的相位位置执行另一输入数据信号的帧时钟信息（RT2）的相位校正为丢失或干扰之前的其他输入数据信号的帧时钟信息（RT2）确定的信息作为参考值。还提供了根据本发明的开关装置，用于保持传播延迟稳定性，即使在丢失或干扰的情况下也是如此。

49. 发明授权

US5633876A Store and forward repeater 失效
标题翻译：存储和转发中继器
公开(公告)号：US5633876A
公开(公告)日：1997-05-27
申请号：US383806
申请日：1995-02-03
申请人： Gilbert M. Dinkins
发明人： Gilbert M. Dinkins
IPC分类号： H04N7/14 , H04B7/185 , H04H1/00 , H04H20/38 , H04H20/67 , H04H20/72 , H04N7/173 , H04W84/02 , H04B3/36
CPC分类号： H04H20/67 , H04B7/15514 , H04H20/02 , H04H20/38 , H04N7/17309 , H04W84/025 , H04H20/72
摘要： A system and method for communicating between local subscriber units and a local base station repeater cell in a two-way communication interactive data broadcast network. In one embodiment, a store and forward repeater receives data signals transmitted by a local base station repeater cell and forwards the signals to local subscriber units. Responses from the local subscriber units are then transmitted from the local subscriber units back to the local base station repeater cell means via a local remote receiver. In so doing, two-way communication is achieved between a local base station repeater cell and local subscriber units.
摘要翻译：一种用于在双向通信交互式数据广播网络中的本地用户单元和本地基站中继器小区之间进行通信的系统和方法。在一个实施例中，存储和转发中继器接收由本地基站中继器小区发送的数据信号，并将该信号转发给本地用户单元。然后，本地用户单元的响应通过本地远程接收机从本地用户单元传回本地基站中继站单元。在这样做时，在本地基站中继器单元和本地用户单元之间实现双向通信。

50. 发明授权

US5633872A Interactive radio 失效
标题翻译：互动电台
公开(公告)号：US5633872A
公开(公告)日：1997-05-27
申请号：US315147
申请日：1994-09-29
申请人： Gilbert M. Dinkins
发明人： Gilbert M. Dinkins
IPC分类号： H04B7/26 , H04H1/00 , H04H20/28 , H04H20/38 , H04H20/67 , H04H60/92 , H04N7/173 , H04B7/185
CPC分类号： H04H20/67 , H04B7/2609 , H04H20/12 , H04H20/38 , H04N7/17309 , H04H20/28 , H04H60/92
摘要： A network hub switching center routes communications from and to a plurality of RTUs. CTSs transmit data to the RTUs dispersed over a predetermined CTS geographic area and the RTUs present multiplexed digital data which is synchronously related to the CTS broadcast signal for communication with identified individual RTUs within designated geographic areas. A number of intermediate receivers are provided with each CTS for receiving messages from low-powered local RTUs. The intermediate receivers are located at a set of cell subdivision sites, which are partitioned from the CTS geographic area and are dispersed over the CTS geographic area. The CTS data processing and transmission facilities provides for synchronizing the transmission facilities with a precision clock signal derived from an independent precision clock source. The clock source is independent of the radio broadcast signals when the interactive radio network operates in conjunction with a source of radio broadcast signals. In one embodiment, the precision clock signal is obtained, for example, from a Global Positioning System (GPS) network. The CTSs and RTUs operate in a band of carrier frequencies between 218-219 MHz. The RTUs transmit on a plurality of frequencies, and the receive-only intermediate receivers at different subdivision sites operate on different ones of said frequencies within the 218-219 MHz band.
摘要翻译：网络集线器交换中心将通信路由到多个RTU。 CTS将数据发送到分散在预定CTS地理区域上的RTU，并且RTU呈现与CTS广播信号同步相关的多路复用数字数据，用于与指定地理区域内的已标识的各个RTU通信。提供了多个中间接收机，每个CTS用于从低功率本地RTU接收消息。中间接收机位于一组细胞细分站点，它们从CTS地理区域分割，并分散在CTS地理区域上。 CTS数据处理和传输设施使传输设备与从独立精密时钟源得到的精确时钟信号同步。当交互式无线电网络与无线电广播信号源一起工作时，时钟源与无线电广播信号无关。在一个实施例中，精确时钟信号例如从全球定位系统（GPS）网络获得。 CTS和RTU在218-219 MHz之间的载波频段工作。 RTU在多个频率上发射，并且不同子区域的仅接收中间接收机在218-219MHz频带内的不同的所述频率上操作。

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