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71. 发明公开

EP1592982A2 SYSTEM AND METHOD FOR IDENTIFYING AND LOCATING AN ACOUSTIC EVENT 审中-公开
标题翻译：系统和方法识别和寻找声事件
公开(公告)号：EP1592982A2
公开(公告)日：2005-11-09
申请号：EP04704499.5
申请日：2004-01-22
申请人： Patterson, Frank Jr. , Baxter, Kevin C. , Holmes, Fred H.
发明人： Patterson, Frank Jr. , Baxter, Kevin C. , Holmes, Fred H.
IPC分类号： G01S5/20 , G01S7/539 , G01S5/00 , G01S5/14
CPC分类号： G01S5/0036 , F41H11/00 , G01R31/085 , G01S5/18 , G01S5/30 , G01S7/539 , G01S19/18 , G01V1/001 , H02J3/40 , Y10S367/906
摘要： A system and method for detecting, identifying, and fixing the location of the source of an acoustic event. The inventive system includes: a plurality of sensors dispersed at somewhat regular intervals throughout a monitored area; a communication network adapted to deliver information from the sensors to a host processor; and a process within the host processor for determining, from the absolute times of arrival of an event at two or more sensors, a position of the source of the event. Acoustic events are detected and analyzed at each sensor so that the sensor transmits over the network: an identifier for the sensor; an identifier for the type of event; and a precise absolute time of arrival of the event at the sensor. In a preferred embodiment, the system also identifies the type of weapon firing a gunshot.

72. 发明公开

EP1586916A1 GPS receiver and method for processing GPS signals 失效
标题翻译： GPS-Empfängerund Verfahren zur Verarbeitung von GPS-Signalen
公开(公告)号：EP1586916A1
公开(公告)日：2005-10-19
申请号：EP05012297.7
申请日：1996-10-08
申请人： Snaptrack, Inc.
发明人： Krasner, Norman F.
IPC分类号： G01S5/14
CPC分类号： H04B1/0007 , G01S5/0027 , G01S5/0036 , G01S5/0054 , G01S19/05 , G01S19/09 , G01S19/254 , G01S19/34 , G01S2205/008 , G06F2221/2111 , H01Q1/273 , H01Q21/28 , H03D7/163 , H03J7/04 , H03J7/06 , H03J2200/11 , H04B1/00 , H04B1/28 , H04B1/3805 , H04B2001/3894
摘要： A GPS receiver in one embodiment includes an antenna which receives GPS signals at an RF frequency from in view satellites; a downconverter coupled to the antenna for reducing the RF frequency of the received GPS signals to an intermediate frequency (IF); a digitizer coupled to the downconverter and sampling the IF GPS signals at a predetermined rate to produce sampled IF GPS signals; a memory coupled to the digitizer storing the sampled IF GPS signals (a snapshot of GPS signals); and a digital signal processor (DSP) coupled to the memory and operating under stored instructions thereby performing Fast Fourier Transform (FFT) operations on the sampled IF GPS signals to provide pseudorange information. These operations typically also include preprocessing and postprocessing of the GPS signals. After a snapshot of data is taken, the receiver front end is powered down. The GPS receiver in one embodiment also includes other power management features and includes, in another embodiment the capability to correct for errors in its local oscillator which is used to sample the GPS signals. The calculation speed of pseudoranges, and sensitivity of operation, is enhanced by the transmission of the Doppler frequency shifts of in view satellites to the receiver from an external source, such as a basestatioh in one embodiment of the invention.
摘要翻译：在一个实施例中的GPS接收机包括从视频卫星以RF频率接收GPS信号的天线; 耦合到天线的下变频器，用于将接收的GPS信号的RF频率降低到中频（IF）; 耦合到下变频器并以预定速率对IF GPS信号进行采样以产生采样的IF GPS信号的数字转换器; 耦合到数字转换器的存储器存储采样的IF GPS信号（GPS信号的快照）的存储器; 以及数字信号处理器（DSP），其耦合到存储器并且在存储的指令下操作，从而对采样的IF GPS信号执行快速傅里叶变换（FFT）操作以提供伪距信息。这些操作通常还包括GPS信号的预处理和后处理。拍摄数据快照后，接收机前端被关闭。在一个实施例中，GPS接收机还包括其他功率管理特征，并且在另一实施例中包括校正其本地振荡器中用于对GPS信号进行采样的误差的能力。伪距离的计算速度和操作的灵敏度通过在本发明的一个实施例中的诸如基站之类的外部源将观测卫星的多普勒频移传输到接收机来增强。

73. 发明公开

EP1426782A3 Parallel correlator for a spread spectrum receiver 失效
标题翻译：并行相关的扩频接收机
公开(公告)号：EP1426782A3
公开(公告)日：2005-01-19
申请号：EP04003269.0
申请日：1997-07-03
申请人： GENERAL ELECTRIC COMPANY
发明人： Harrison, Daniel David , Tiemann, Jerome Johnson
IPC分类号： H04B1/707 , G01S5/14 , G01S1/04
CPC分类号： H04B1/708 , G01S5/0027 , G01S5/0036 , G01S5/0054 , G01S19/29 , G01S19/30 , G01S19/34 , G01S19/37 , G01S19/42 , G06F17/15 , H04B1/709 , H04B2201/70709
摘要： A direct sequence spread spectrum receiver samples an incoming signal and stores the sample in memory. The signal sample is read from memory as necessary to process the signal without further signal acquisition. The correlator calculates an inner product by simultaneously correlating each bit of the sample with a corresponding bit of a replica signal. If the inner product does not exceed a threshold value the correlator calculates another inner product between the same signal sample and another replica signal. This occurs until all available signals are identified. In one embodiment, memory is segmented and each segment is read by a separate correlator allowing faster identification of one signal or multiple signals to be acquired simultaneously. Such a receiver is useful in global positioning satellite (GPS) signal processing where the incoming signal contains several satellite transmissions encoded with CDMA encoding.

74. 发明公开

EP1483933A2 MOBILE TERMINAL FOR TRANSMISSION OF LOCATION INFORMATION 审中-公开
标题翻译：移动终端，用于传递位置信息
公开(公告)号：EP1483933A2
公开(公告)日：2004-12-08
申请号：EP03714801.2
申请日：2003-03-11
申请人： Telecom Italia S.p.A.
发明人： BOIERO, Gianluca,Telecom Italia S.p.A. , LOVISOLO, Piero,Telecom Italia S.p.A. , LUPANO, Michele,Telecom Italia S.p.A.
IPC分类号： H04Q7/38
CPC分类号： H04W64/00 , G01S5/0036
摘要： The invention refers to a specialised mobile terminal (1) intended to be localised by means of a suitable equipped telecommunications network (2). The mobile device (1) only implements the functions required for location definition and can be activated both remotely and possibly locally by the user of the device (1). The device (1) may also comprise a display to view the localisation data determined by means of the network.

75. 发明公开

EP1482321A2 Method and apparatus for location search of portable device in wireless communication system 审中-公开
标题翻译：方法和装置用于确定在无线通信系统中的便携式设备的位置
公开(公告)号：EP1482321A2
公开(公告)日：2004-12-01
申请号：EP04006980.9
申请日：2004-03-23
申请人： Kabushiki Kaisha Toshiba
发明人： Izumi, Yuji Toshiba Corporation , Nose, Masaki Toshiba Corporation
IPC分类号： G01S5/00
CPC分类号： G01S5/0252 , G01S5/0036
摘要： There is disclosed a location search system which detects a position coordinate of a data processing device (10) based on received radio wave information transmitted from the data processing device (10) having a wireless communications function. The location search system includes a server (20) including a search unit (25) which searches region information specifying a location of the data processing device (10) from a region information database (23) based on calculated position coordinate information.
摘要翻译：有游离缺失盘位置搜索系统，其检测的数据处理装置具有无线通信功能（10）基于接收到的无线电波信息反来自数据处理装置（10）mitted的位置坐标。位置搜索系统包括搜索区域信息从区域信息数据库基于计算出的位置坐标信息（23）指定的数据处理装置（10）的位置的服务器（20）包括一个搜索单元（25）。

76. 发明公开

EP1452009A2 NAVIGATION SERVICES BASED ON POSITION LOCATION USING BROADCAST DIGITAL TELEVISION SIGNALS 审中-公开
标题翻译：基于定位技术的循环导航服务发送的数字电视信号
公开(公告)号：EP1452009A2
公开(公告)日：2004-09-01
申请号：EP02789409.6
申请日：2002-11-04
申请人： Rosum Corporation
发明人： PIERCE, Matthew, D. , RABINOWITZ, Matthew
IPC分类号： H04N1/00
CPC分类号： H04N21/615 , A63F2300/205 , G01C21/206 , G01S5/0036 , G01S5/0054 , G01S5/0081 , G01S5/02 , G01S5/021 , G01S5/0215 , G01S5/145 , G01S19/46 , G01S19/48 , H04N21/25841 , H04N21/2668 , H04N21/41422 , H04N21/8126
摘要： A service depends on the location of a device (102). The device (102) location is determined using DTV signals. More specifically, the device (102) location is determined based on pseudo-ranges between the device (102) and a plurality of digital television (DTV) transmitters (106A, 106B,…106N) and the pseudo-ranges are determined based on broadcast DTV signals received by the device (102) from the DTV transmitters (106A, 106B,…106N). Examples of DTV signals include the American Television Standards Committee (ATSC) signals, the European Telecommunications Standards Institute Digital Video Broadcasting - Terrestrial (DVB-T) signals and the Japanese Integrated Service Digital Broadcasting-Terrestrial (ISDB-T) signals.

77. 发明授权

EP0941487B1 METHOD AND APPARATUS FOR DETERMINING TIME FOR GPS RECEIVERS 失效
标题翻译：方法和一种用于在GPS接收机确定时间
公开(公告)号：EP0941487B1
公开(公告)日：2004-06-30
申请号：EP97952222.4
申请日：1997-11-21
申请人： Snaptrack, Inc.
发明人： KRASNER, Norman, F.
IPC分类号： G01S5/14 , G01S1/04
CPC分类号： G01S19/34 , G01S5/0036 , G01S5/0045 , G01S5/009 , G01S19/05 , G01S19/06 , G01S19/07 , G01S19/09 , G01S19/11 , G01S19/23 , G01S19/235 , G01S19/252 , G01S19/254 , G01S19/256 , G01S19/258 , G01S19/37 , G01S19/41 , G01S2205/008 , H03J7/04 , H03J7/047 , H04B1/00 , H04B1/0007 , H04B1/28 , H04B1/3805
摘要： A method and apparatus of determining the time for a global positioning system receiver is disclosed. Timing signals derived from a communication system, such as cellular phone transmission signals, are received by a GPS receiver and decoded to provide accurate time information. The timing signals may be in the form of synchronized events marked by timing indicators, or as system time information. The timing signals in combination with satellite position signals received by the GPS receiver are used to determine the position of the GPS receiver.

78. 发明公开

EP1427992A1 VERFAHREN ZUM ERMITTELN DER POSITION EINER MOBILEN VORRICHTUNG, INSBESONDERE EINER NOTRUFVORRICHTUNG, NOTRUFSYSTEM SOWIE NOTRUFVORRICHTUNG 有权
标题翻译：方法用于确定移动装置的位置，尤其是DEVICE EMERGENCY，应急系统和紧急DEVICE
公开(公告)号：EP1427992A1
公开(公告)日：2004-06-16
申请号：EP02776959.5
申请日：2002-09-02
申请人： GPP AG
发明人： SPEISER, Fridolin
IPC分类号： G01C21/26 , G08B25/10 , G08G1/0968
CPC分类号： G08G1/205 , G01S5/0036 , G08B25/016
摘要： The invention relates to a method for determining the position of a mobile device, in particular an emergency-call device (11) comprising a satellite-supported position-determination module (24) and a transceiver unit (26), which is at least capable of establishing a data-transmission link to a central station (10) of an emergency-call system. The aim of the invention is to enable the position of the device to be determined almost immediately after said device has been activated. To achieve this, once a data-transmission link has been established between the mobile device (11) and the central station (10), the basic data necessary for a satellite-supported position determination is transmitted from the central station (10) to the mobile device (11) and the current position data of the mobile device (11) is calculated from satellite data that has been received, using the basic data transmitted from the central station (10). The emergency-call device (11) comprises, in particular, an emergency-call switch (29), which is used to connect said device to an internal voltage supply (30) for activating the control unit and initiating an emergency-call transmission programme.

79. 发明公开

EP1337871A4 SYSTEM AND METHOD FOR FAST ACQUISITION REPORTING USING COMMUNICATION SATELLITE RANGE MEASUREMENT 审中-公开
标题翻译：系统和方法快速检测邮件使用通信卫星距离测量
公开(公告)号：EP1337871A4
公开(公告)日：2004-06-16
申请号：EP01981894
申请日：2001-10-29
申请人： SKYBITZ INC
发明人： SULLIVAN MARK C , KILFEATHER JAMES B
IPC分类号： G01S5/00 , G01S5/14 , G01S19/09 , G01S19/25 , G01S19/40 , H04B7/185
CPC分类号： G01S19/09 , G01S5/0036 , G01S5/14 , G01S19/256 , G01S19/40
摘要： A geographic tracking system (10) with minimal power and size required at the mobile terminal (18) collects observation data at the mobile terminal (18), forwards the data to a processor (11), which calculates the position. The mobile terminal (18) needs only to gather a few milliseconds of observation data (from 14-17), and to relay this observation data to the processor (11). The range from the satellite (13) (or other airborne transponder) to the terminal (18) is determined using the known positions of an interrogating transmitter and a satellite (13), and a known terminal delay between the received signal and the transmission of the return signal, and the round trip time. An arc of locations is determined by computing an intersection of a sphere centered at the satellite (13) having a radius given by the calculated range with a model of the Earth's surface. The candidate points are considered and refined using code phase measurements from a set of GPS satellites (14-17). The candidate point having the lowest residuals or expected to measured code phases is chosen as the location of the mobile terminal (18). The measurements can be refined to account for various sources of error including measurement bias, relative motion and timing errors.

80. 发明公开

EP1418440A1 GPS receiver and method for processing GPS signals 失效
标题翻译： GPS-Empfängerund Verfahren zur Verarbeitung von GPS-Signalen
公开(公告)号：EP1418440A1
公开(公告)日：2004-05-12
申请号：EP04001156.1
申请日：1996-10-08
申请人： Snaptrack, Inc.
发明人： Krasner, Norman F.
IPC分类号： G01S5/14
CPC分类号： H04B1/0007 , G01S5/0027 , G01S5/0036 , G01S5/0054 , G01S19/05 , G01S19/09 , G01S19/254 , G01S19/34 , G01S2205/008 , G06F2221/2111 , H01Q1/273 , H01Q21/28 , H03D7/163 , H03J7/04 , H03J7/06 , H03J2200/11 , H04B1/00 , H04B1/28 , H04B1/3805 , H04B2001/3894
摘要： A GPS receiver in one embodiment includes an antenna which receives GPS signals at an RF frequency from in view satellites; a downconverter coupled to the antenna for reducing the RF frequency of the received GPS signals to an intermediate frequency (IF); a digitizer coupled to the downconverter and sampling the IF GPS signals at a predetermined rate to produce sampled IF GPS signals; a memory coupled to the digitizer storing the sampled IF GPS signals (a snapshot of GPS signals); and a digital signal processor (DSP) coupled to the memory and operating under stored instructions thereby performing Fast Fourier Transform (FFT) operations on the sampled IF GPS signals to provide pseudorange information. These operations typically also include preprocessing and postprocessing of the GPS signals. After a snapshot of data is taken, the receiver front end is powered down. The GPS receiver in one embodiment also includes other power management features and includes, in another embodiment the capability to correct for errors in its local oscillator which is used to sample the GPS signals. The calculation speed of pseudoranges, and sensitivity of operation, is enhanced by the transmission of the Doppler frequency shifts of in view satellites to the receiver from an external source, such as a basestation in one e mbodiment of the invention.
摘要翻译：在一个实施例中的GPS接收机包括从视频卫星以RF频率接收GPS信号的天线; 耦合到天线的下变频器，用于将接收的GPS信号的RF频率降低到中频（IF）; 耦合到下变频器并以预定速率对IF GPS信号进行采样以产生采样的IF GPS信号的数字转换器; 耦合到数字转换器的存储器存储采样的IF GPS信号（GPS信号的快照）的存储器; 以及数字信号处理器（DSP），其耦合到存储器并且在存储的指令下操作，从而对采样的IF GPS信号执行快速傅里叶变换（FFT）操作以提供伪距信息。这些操作通常还包括GPS信号的预处理和后处理。拍摄数据快照后，接收机前端被关闭。在一个实施例中，GPS接收机还包括其他功率管理特征，并且在另一实施例中包括校正其本地振荡器中用于对GPS信号进行采样的误差的能力。伪距离的计算速度和操作的灵敏度通过从外部源（例如本发明的一个实施例中的基站）将观测卫星的多普勒频移传输到接收机来增强。

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