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公开(公告)号：US5940002A
公开(公告)日：1999-08-17
申请号：US948743
申请日：1997-10-10
CPC分类号： H04L9/32 , B60R25/00 , G07C9/00182 , G07C2009/00222 , G07C2009/00253 , G07C2009/00984 , H04L2209/34 , H04L2209/84
摘要： A security system that is useful for protecting vehicles from theft and buildings from unauthorized entry, for example, includes utilizing random numbers within remotely transmitted signals. A remote signaling device transmits a signal to a system controller with instructions for a desired operation of the system. The invention prevents a potential thief from capturing one or more transmitted signals and later mimicking or predicting a subsequent signal by including or utilizing a random number when generating the transmitted signal. The random number is incorporated into the transmitted signal in one of several ways according to this invention. Single-use or limited re-use of random numbers enhances the security and integrity of the system.
摘要翻译： 例如，用于保护车辆免遭盗窃和建筑物的安全系统包括在远程发送的信号内使用随机数。 远程信令设备向系统控制器发送具有用于系统的期望操作的指令的信号。 本发明通过在生成发送信号时包括或利用随机数来防止潜在的小偷捕获一个或多个发送的信号，并且随后模拟或预测后续的信号。 根据本发明，随机数以多种方式之一并入发送信号中。 一次性使用或有限重复使用随机数增强了系统的安全性和完整性。
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公开(公告)号：US5699437A
公开(公告)日：1997-12-16
申请号：US521150
申请日：1995-08-29
申请人： Alan M. Finn
发明人： Alan M. Finn
IPC分类号： G10K11/178 , A61F11/06 , H03B29/00
CPC分类号： G10K11/1788 , G10K2210/106 , G10K2210/111 , G10K2210/12 , G10K2210/1281 , G10K2210/1282 , G10K2210/3027 , G10K2210/3215 , G10K2210/3219
摘要： An active noise control system is provided with a plurality of error sensor arrays 50,77 which provide signals on lines 64-74,90-100 to beam forming and beam steering logic 76 which cause the arrays 50,77 to exhibit acoustic response profiles 104,106, respectively. The profiles 104,106 intersect in a predefined region 116 to be quieted. The logic 76 provides signals on lines 118, one for each region to be quieted, to active noise control (ANC) logic 20 which also receives inputs from feedforward sensing microphones 10 and provides output signals to acoustic speakers 24 which generate anti-noise 26 to cancel the noise in the quiet region 116. The quiet region 116 may be selectively positioned to any region in the room by steering the beams 104,108. Alternatively, the system may have a plurality of distributed sensors which, when taken together, have an overall maximum (main lobe) acoustic response at a predetermined selectable quiet region.
摘要翻译： 主动噪声控制系统设置有多个误差传感器阵列50,77，其在线64-74,90-100上提供信号到波束形成和波束控制逻辑76，这使阵列50,77呈现声响应曲线104,106 ， 分别。 轮廓104,106在预定义区域116中相交以被安静。 逻辑76在线路118上提供信号，一个用于要安静的每个区域的信号到主动噪声控制（ANC）逻辑20，其也接收来自前馈感测麦克风10的输入，并将声输出信号提供给声音扬声器24，其产生抗噪声26至 消除安静区域116中的噪声。安静区域116可以通过转向梁104,108而被选择性地定位到房间中的任何区域。 或者，系统可以具有多个分布式传感器，当它们一起在预定的可选安静区域具有总体最大（主瓣）声响应时。
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公开(公告)号：US5682024A
公开(公告)日：1997-10-28
申请号：US509622
申请日：1995-07-31
CPC分类号： B66B1/50
摘要： An elevator position determination system for determining the position of an elevator car disposed in the elevator hoistway includes a transceiver disposed on the elevator car for generating a query signal and a transponder disposed in the elevator hoistway for providing an identification signal in response to the query signal, wherein, the elevator position determination system determines the elevator car position in response to the identification signal.
摘要翻译： 一种用于确定设置在电梯井道中的电梯轿厢的位置的电梯位置确定系统包括设置在电梯轿厢上用于产生查询信号的收发机和设置在电梯井道中的应答器，用于响应于查询信号提供识别信号 其中，所述电梯位置确定系统响应于所述识别信号来确定所述电梯轿厢位置。
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公开(公告)号：US5619575A
公开(公告)日：1997-04-08
申请号：US294147
申请日：1994-08-22
CPC分类号： H04L9/3271 , H04L9/002 , H04L9/0662 , H04L2209/04 , H04L2209/805 , H04L2209/84
摘要： The pseudorandom process iteratively applies a selected CRC encryption process on the information to be encrypted. The encryption process is selected by testing one of the digits comprising the number to be encrypted. A first encryption process is used if the tested digit is a 1; a second encryption process is used if the tested digit is a 0. The process is repeated a plurality of times, e.g. once for each digit in the number to be encrypted, resulting in a highly encrypted value that is not easily reverse engineered by chosen or known plaintext attack.
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公开(公告)号：US5398284A
公开(公告)日：1995-03-14
申请号：US148667
申请日：1993-11-05
CPC分类号： H04L9/06 , H04L2209/04 , H04L2209/34
摘要： The digital information is encrypted by first performing a preselected number of CRC iterations or partial convolutions by multiplication with a mask in the Galois Field. Before the CRC operation is completed, the intermediate resultant is subjected to an Integer Ring operation, such as addition, which injects a nonlinearity over the Galois Field due to possible arithmetic carry operations. After the Integer Ring operation, the Galois Field CRC process is continued to completion. The result is an encrypted value which is not readily decrypted by Galois Field techniques.
摘要翻译： 数字信息通过首先通过与伽罗瓦域中的掩码相乘来执行预选的CRC迭代次数或部分卷积来加密。 在CRC操作完成之前，中间结果经受整数环操作，例如相加，其由于可能的算术运算操作而在伽罗瓦域上注入非线性。 在整数环操作之后，伽罗瓦域CRC进程继续完成。 结果是Galois Field技术不容易解密的加密值。
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公开(公告)号：US5363448A
公开(公告)日：1994-11-08
申请号：US86080
申请日：1993-06-30
CPC分类号： G06F7/584 , G07C9/00182 , H04L9/12 , H04L9/304 , H04L9/32 , G06F2207/583 , G07C2009/00253 , G07C2009/00769 , G07C2009/00825 , G07C2009/00984 , G07C2209/06 , H04L2209/04 , H04L2209/08 , H04L2209/12 , H04L2209/20 , H04L2209/84
摘要： An automobile door lock receiver module (30) and a plurality of keychain fob transmitter units (16) contain identification numbers, secret initial values, and secret feedback masks so as to authenticate encrypted messages from any of the assigned fobs, indicative of commands registered by closing switches on the fob. Each fob is synchronized with the receiving module by means of a truly random number concatenated with a secret initial value and encrypted, through a linear feedback shift register or other operations. A second secret initial value is encrypted and command bits are exclusive ORed into the low order bit positions; the two encrypted numbers are concatenated and encrypted to form a key word which is transmitted with the fob ID. Synchronization includes decrypting to recover the truly random number and the secret initial value concatenated therewith; the truly random number is compared with previously received random numbers in order to avoid copying of recently transmitted synchronization commands. Successive lock-related commands utilize the number encrypted from the truly random number and the second secret initial value as starting values, employing a pseudorandom number of encryption iterations. A half-second delay between responses mitigates gaining access through numerical trials. An authenticated panic alarm command operates the headlights and horn of the vehicle but does not alter the synchronization.
摘要翻译： 汽车门锁接收器模块（30）和多个钥匙扣抽头发射器单元（16）包含识别号码，秘密初始值和秘密反馈掩码，以便从任何分配的信息点识别加密的消息，指示由 关闭开关。 每个FOB通过与秘密初始值连接并通过线性反馈移位寄存器或其他操作进行加密的真正随机数与接收模块同步。 第二秘密初始值被加密，并且命令位被异或进入低位位置; 两个加密号码被连接并加密，以形成一个用小号码ID发送的关键字。 同步包括解密以恢复与其连接的真实随机数和秘密初始值; 将真正的随机数与先前接收到的随机数进行比较，以避免最近发送的同步命令的复制。 连续锁相关命令利用从真正随机数加密的号码和第二秘密初始值作为起始值，采用伪随机数加密迭代。 响应之间的半秒延迟缓解了通过数值试验获得访问。 经认证的紧急报警指令用于操作车辆的前灯和喇叭，但不会改变同步。
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公开(公告)号：US20110033087A1
公开(公告)日：2011-02-10
申请号：US12936690
申请日：2008-04-09
申请人： Alan M. Finn , Christian M. Netter , Pei-Yuan Peng , Steven B. Rakoff , Pengiu Kang , Ankit Tiwari , Ziyou Xiong , Lin Lin
发明人： Alan M. Finn , Christian M. Netter , Pei-Yuan Peng , Steven B. Rakoff , Pengiu Kang , Ankit Tiwari , Ziyou Xiong , Lin Lin
CPC分类号： G06K9/00771
摘要： A video content analysis (VCA) system generates an output regarding a detected condition that provides an indication of a confidence level regarding the detected condition. One example VCA system determines whether a first characteristic of a detected object in a field of vision of the video content analysis system satisfies a first criterion. If so, a first signal is generated under selected conditions. The VCA system also determines whether a second characteristic of the detected object satisfies a corresponding second criterion. If so, a second, different signal is generated if the first and second criteria are satisfied. The first and second signals indicate respective, different confidence levels that an event has occurred. A disclosed example includes a VCA as part of a security system.
摘要翻译： 视频内容分析（VCA）系统产生关于提供关于检测到的条件的置信度的指示的检测条件的输出。 一个示例VCA系统确定视频内容分析系统的视野中的被检测对象的第一特征是否满足第一标准。 如果是这样，在选定的条件下产生第一个信号。 VCA系统还确定检测到的对象的第二特性是否满足相应的第二标准。 如果是，则如果满足第一和第二标准，则产生第二不同的信号。 第一和第二信号表示事件发生的相应的不同置信水平。 所公开的示例包括VCA作为安全系统的一部分。
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公开(公告)号：US07532988B2
公开(公告)日：2009-05-12
申请号：US10567198
申请日：2004-08-09
申请人： Alexander I. Khibnik , Mauro Jorge Atalla , Alan M. Finn , Mark W. Davis , Jun Ma , James Cycon , Peter F. Horbury , Andreas Bernhard
发明人： Alexander I. Khibnik , Mauro Jorge Atalla , Alan M. Finn , Mark W. Davis , Jun Ma , James Cycon , Peter F. Horbury , Andreas Bernhard
IPC分类号： G01R13/00
CPC分类号： G05B23/0221 , G05B13/04 , G05B17/02 , G05B19/4065 , G05B2219/37249
摘要： A method and system estimates a desired output signal waveform based on measured state parameters. A model training step generates a model by empirically obtaining measured signal waveforms corresponding to measured state parameters. Features, such as mode shapes and mode amplitudes, are extracted from the measured signals and stored in an estimation model along with coefficients of the model that correlate measured state parameters with the mode amplitudes. During part operation, the state parameters measured during operation are entered into the estimation model to obtain estimated features in a estimated signal waveform. The estimated features are then used to synthesize the estimated signal reflecting the actual operation of the operating part. The estimation model therefore allows estimation of an entire signal waveform from the state parameters.
摘要翻译： 方法和系统基于测量的状态参数来估计期望的输出信号波形。 模型训练步骤通过经验获得对应于测量状态参数的测量信号波形来生成模型。 从测量信号中提取特征，例如模式形状和模式振幅，并将其与模型的系数一起存储在估计模型中，并将测量的状态参数与模式幅度相关联。 在部分操作期间，将运行期间测量的状态参数输入到估计模型中以获得估计信号波形中的估计特征。 然后使用估计的特征来合成反映操作部件的实际操作的估计信号。 因此，估计模型允许从状态参数估计整个信号波形。
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公开(公告)号：US20080193138A1
公开(公告)日：2008-08-14
申请号：US10590682
申请日：2004-02-27
IPC分类号： H04B10/00
CPC分类号： B66B1/3492
摘要： A positioning system comprising a plurality of transponder modules each located at a known location for receiving an electromagnetic signal and emitting a light signal, at least one transceiver module for emitting an electromagnetic signal and receiving the light signal, and apparatus processing the received light signal to determine a position of the at least one transceiver module.
摘要翻译： 一种定位系统，包括多个应答器模块，每个发射机应答器模块各自位于已知位置处，用于接收电磁信号并发射光信号，至少一个用于发射电磁信号和接收光信号的收发模块，以及将接收的光信号处理到 确定所述至少一个收发器模块的位置。
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公开(公告)号：US07117145B1
公开(公告)日：2006-10-03
申请号：US09692725
申请日：2000-10-19
CPC分类号： G10L21/0208
摘要： A cabin communication system for improving clarity of a voice spoken within an interior cabin having ambient noise includes a microphone for receiving the spoken voice and the ambient noise and for converting the spoken voice and the ambient noise into an audio signal, the audio signal having a first component corresponding to the spoken voice and a second component corresponding to the ambient noise, a speech enhancement filter for removing the second component from the audio signal to provide a filtered audio signal, the speech enhancement filter removing the second component by processing the audio signal by a method taking into account elements of psycho-acoustics of a human ear, and a loudspeaker for outputting a clarified voice in response to the filtered audio signal.
摘要翻译： 用于改善在具有环境噪声的内部舱室内所说出的语音的清晰度的舱室通信系统包括用于接收所述语音和环境噪声并用于将所述语音和环境噪声转换成音频信号的麦克风，所述音频信号具有 对应于所述语音的第一分量和对应于所述环境噪声的第二分量;语音增强滤波器，用于从所述音频信号中去除所述第二分量以提供经滤波的音频信号;所述语音增强滤波器通过处理所述音频信号来去除所述第二分量 通过考虑到人耳的心理声学元件的方法和用于响应于经滤波的音频信号输出澄清声音的扬声器。
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