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    • 2. 发明授权
    • PASS-Tracker: apparatus and method for identifying and locating distressed firefighters
    • PASS-Tracker:识别和定位遇难消防员的设备和方法
    • US09024748B2
    • 2015-05-05
    • US13427995
    • 2012-03-23
    • Wayne C. HaaseZachary S. Haase
    • Wayne C. HaaseZachary S. Haase
    • H04Q1/30G08B21/02
    • G08B21/02G08B13/1609
    • According to one aspect of the invention, the PASS-Tracker is a hand-held device that improves the ability of a rescuer to quickly locate a distressed firefighter by two processes: (1) detecting and recognizing the acoustic alarm sound from a PASS device in Alarm Mode, and (2) providing an indication to rescue personnel of the shortest path to the victim. The invention does not require a pre-installed infrastructure in a particular building; rather the device can be used in an ad hoc fashion at any fire scene. The PASS-Tracker utilizes a plurality of small microphones to detect the acoustic signal from the PASS device. Internal electronics in the PASS-Tracker measure the time-of-arrival (TOA) of the leading edge of the acoustic wave at each microphone and calculate and display the angle-of-arrival (AOA) of the wave.
    • 根据本发明的一个方面,PASS-Tracker是一种手持式设备,其能够通过两个过程来提高救援者快速定位遇难消防员的能力:(1)检测并识别来自PASS设备的声学警报声音 报警模式,(2)向受害人提供最短路径救援人员的指示。 本发明不需要在特定建筑物中预先安装的基础设施; 相反,该设备可以在任何火灾现场以特定的方式使用。 PASS-Tracker使用多个小型麦克风来检测来自PASS装置的声音信号。 PASS-Tracker中的内部电子设备测量每个麦克风的声波前沿的到达时间(TOA),并计算并显示波的到达角(AOA)。
    • 3. 发明申请
    • SECURITY SYSTEM BASED ON SOUND FIELD VARIATION PATTERN ANALYSIS AND THE METHOD
    • 基于声场变化模式分析的安全系统及方法
    • US20130162821A1
    • 2013-06-27
    • US13601883
    • 2012-08-31
    • Kang-Ho ParkSung Q Lee
    • Kang-Ho ParkSung Q Lee
    • H04R29/00H04N7/18
    • H04R29/007G08B13/1609G08B13/1672G08B13/19695G08B13/19697
    • The present disclosure relates to security system and method based on sound field variation pattern. The present disclosure identifies a slow variation pattern of a acoustic transfer function occurring due to a gradual change in temperature and humidity of air according to a change in time and a change in a characteristic of an acoustic element, from a sudden sound field variation pattern within an internal space occurring due to an intrusion from an outside, activation of an air conditioning and heating device, and the like, or within a surveillance space induced by a change in an acoustic physical property. The present disclosure identifies sound field variation patterns occurring due to a change in an acoustic structure by an intrusion and a change in temperature and convection by air conditioning and heating. The present disclosure stores and verifies image information using an image obtaining apparatus.
    • 本公开涉及基于声场变化模式的安全系统和方法。 本公开标识出由于随着时间的变化和声学元件的特性的变化而由于空气的温度和湿度的逐渐变化而发生的声学传递函数的缓慢的变化模式, 由于从外部入侵而发​​生的内部空间,空调和加热装置的激活等,或者由声学物理性质的改变引起的监视空间内。 本发明公开了由于入侵而导致的声学结构的变化而发生的声场变化模式,以及通过空调和加热的温度和对流的变化。 本公开使用图像获取装置来存储和验证图像信息。
    • 4. 发明申请
    • Underwater Surveillance
    • 水下监视
    • US20110007606A1
    • 2011-01-13
    • US12918289
    • 2009-02-18
    • Thomas Edgar Curtis
    • Thomas Edgar Curtis
    • G01S15/00H04B11/00
    • G01S15/04G01S15/104G01S15/42G08B13/1609G08B31/00G10K11/346
    • A counter-terrorism underwater surveillance system for detecting swimming intruders includes a sonar array 20 comprising a plurality of sensor elements which both transmit and receive acoustic signals. Power amplifiers 22 generate electric transmit signals which are converted to acoustic form for transmission by the sonar array 20. Incoming acoustic signals, including echo data from any intruder in the water, are received by the sonar array 20 and passed to a data acquisition subsystem 24, which digitises the data for processing. The digitised data is passed to a beamforming subsystem 26 which forms defined beams from omni-element data. A detection processing subsystem 28 then extracts signals from noise and reverberation and passes these to a display processing subsystem 30 which defines tracks from the intruder echo data. Finally, intruder images and tracks are displayed on a display subsystem 32. The beamforming subsystem processes outputs of the sonar array subsystem by means of a pseudo-circular convolution technique thereby to form defined beams.
    • 用于检测游泳入侵者的反恐水下监视系统包括声纳阵列20,其包括发送和接收声信号的多个传感器元件。 功率放大器22产生被转换为声学形式以便由声纳阵列20传输的电传输信号。包括来自水中任何入侵者的回波数据的入射声信号由声纳阵列20接收并被传送到数据采集子系统24 ,数字化数据进行处理。 数字化数据被传送到波束形成子系统26,其从全元数据形成定义的波束。 检测处理子系统28然后从噪声和混响中提取信号,并将它们传送到显示处理子系统30,显示处理子系统30从入侵者回波数据定义轨迹。 最后,入侵者图像和轨道显示在显示子系统32上。波束形成子系统通过伪循环卷积技术处理声纳阵列子系统的输出,从而形成定义的波束。
    • 5. 发明授权
    • System and method for detecting, localizing, or classifying a disturbance using a waveguide sensor system
    • 使用波导传感器系统检测,定位或分类扰动的系统和方法
    • US06731210B2
    • 2004-05-04
    • US10137615
    • 2002-05-02
    • David C. SwansonNicholas C. NicholasDavid Rigsby
    • David C. SwansonNicholas C. NicholasDavid Rigsby
    • G08B1300
    • G08B13/122G08B13/1609
    • A vibration detection and classification system and associated methods are disclosed. The system includes a waveguide in operative contact with a boundary, such as a security fence. At least one sensor for sensing vibrations such as acoustic waves is operatively connected to the waveguide, the waveguide extending the range of the sensor. At least one control circuit is operatively connected to the one or more sensors and is adapted for detecting and classifying vibrations. The method includes securing an area protected by a boundary by mechanically transmitting a vibration from a portion of the boundary to a waveguide, transmitting the vibration along the waveguide to a sensor, sensing the vibration at the sensor, determining at least one characteristic associated with the vibration, and using the at least one characteristic associated with the vibration to determine if the vibration is indicative of an intrusion.
    • 公开了一种振动检测和分类系统及相关方法。 该系统包括与边界操作接触的波导,例如安全栅栏。 用于感测诸如声波的振动的至少一个传感器可操作地连接到波导,波导延伸传感器的范围。 至少一个控制电路可操作地连接到一个或多个传感器,并且适于检测和分类振动。 该方法包括通过将振动从边界的一部分机械地传递到波导来固定由边界保护的区域,将沿着波导的振动传递到传感器,感测传感器的振动,确定与传感器相关联的至少一个特性 振动,并使用与振动相关联的至少一个特性来确定振动是否表示入侵。
    • 7. 发明授权
    • Transducer structure
    • 传感器结构
    • US4155066A
    • 1979-05-15
    • US823720
    • 1977-08-11
    • Aaron A. GalvinGerard W. Renner
    • Aaron A. GalvinGerard W. Renner
    • G08B13/16G08B13/24H04R1/36H04B11/00
    • G08B13/24G08B13/1609H04R1/36
    • For use in an intrusion alarm system, transmitting and receiving transducer structures adapted for mounting at the ceiling or other surface of a protected enclosure and providing modified energy patterns. Each transducer structure has reduced sensitivity along the normal or boresight axis thereof, and increased sensitivity along axes angularly displaced from the boresight axis. Each transducer structure includes a resonant cavity terminating in an aperture, the geometric characteristics and dimensions of which provide partial cancellation of energy reflections returned along the boresight axis while enhancing or cancelling to a lesser degree those reflections received along axes angularly displaced from the boresight axis. As a result, the energy pattern is concentrated outwardly in the area being protected and is of reduced intensity along the boresight axis such that reflections along this axis do not result in high intensity standing waves which, if modulated by vibrations or moving air, can cause high system noise levels.
    • 用于入侵报警系统,传送和接收适于安装在受保护外壳的天花板或其他表面处的传感器结构,并提供修改的能量图案。 每个换能器结构沿着其法线或远视轴具有降低的灵敏度,以及沿着从轴视轴轴向偏移的轴的增加的灵敏度。 每个换能器结构包括端接在孔中的谐振腔,其几何特征和尺寸提供沿着视轴的返回的能量反射的部分消除,同时增强或抵消沿着从轴向轴线成角度偏移的轴接收的那些反射。 结果,能量图案被集中在被保护的区域中,并且沿着视轴具有降低的强度,使得沿该轴线的反射不会导致高强度的驻波,如果被振动或移动的空气调节可以引起 高系统噪声水平。
    • 9. 发明授权
    • Intrusion detection device utilizing low frequency sound waves and phase detection techniques
    • 使用低频声波的入侵检测装置和相位检测技术
    • US3754222A
    • 1973-08-21
    • US3754222D
    • 1971-12-13
    • WEBSTER ELECTRIC CO INC
    • EISENBERG H
    • G08B13/16
    • G08B13/1609
    • A signal in the low audio frequency range and preferably of about 400 to 600 hertz is radiated into one or more protected areas by one or more speakers, and each speaker also acts as a transducer of reflected audio energy. A substantially amplitude independent phase sensitive detector designed to operate at the audio frequency is coupled to the source of audio signals and to each speaker to produce an output signal when a reflected signal exhibits phase shift due to even relatively slight movements of an intruder in any direction in the protected area. A low band pass circuit couples a narrow low frequency band of signals from the detector to gating and integrating circuits to provide an alarm indication in response to phase changes characteristic of the intruder movement to be detected.
    • 在低音频范围内,优选约400至600赫兹的信号由一个或多个扬声器辐射到一个或多个保护区域中,并且每个扬声器还充当反射音频能量的换能器。 被设计为以音频频率工作的基本上幅度无关的相位敏感检测器被耦合到音频信号源并且耦合到每个扬声器以产生输出信号,当反射信号由于入侵者在任何方向上甚至相当轻微的移动而表现出相移 在保护区。 低通带电路将来自检测器的狭窄的低频信号耦合到门控和积分电路,以响应于待检测的入侵者移动的相位变化特性提供报警指示。