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    • 3. 发明授权
    • Signal processing system and methods for reliably detecting audible alarms
    • 信号处理系统和可靠检测声音报警的方法
    • US08269625B2
    • 2012-09-18
    • US12756698
    • 2010-04-08
    • Leslies D. HoyDavid E. AlbertLandgrave T. SmithJames J. Lewis
    • Leslies D. HoyDavid E. AlbertLandgrave T. SmithJames J. Lewis
    • G08B21/00
    • H04R29/00G08B1/08G08B3/10G08B7/06G08B13/1672G08B29/185
    • A signal processing system and associated methods are disclosed for reliably detecting audible alert signals, such as Temporal-3 (or Code-3) and Temporal-4 (or Code-4) alert signals generated by commercially available smoke, fire, and carbon monoxide detectors. The system and methods are capable of detecting audible alert signals of different intensities in the presence of dynamic background environment (e.g., television programming, music, noise, and the like). The system and methods are capable of detecting audible alert signals generated by far away smoke, fire, and carbon monoxide detectors. The signal processing system and methods may, in some embodiments, be incorporated into a bedside or other unit that generates a supplemental alert signal capable of alerting individuals who might not otherwise respond to the alarm condition, such as individuals who are asleep, children, hearing impaired, or intoxicated.
    • 公开了信号处理系统和相关方法,用于可靠地检测可听到的警报信号,例如由市售的烟,火和一氧化碳产生的时间-3(或代码-3)和时间-4(或代码-4)警报信号 探测器 该系统和方法能够在存在动态背景环境(例如,电视节目,音乐,噪声等)的情况下检测不同强度的可听报警信号。 该系统和方法能够检测远离烟,火和一氧化碳检测器产生的声音报警信号。 在一些实施例中,信号处理系统和方法可以被合并到床边或其他单元中,该单元产生能够提醒可能不响应于警报状况的个人的补充警报信号,例如睡着的人,儿童,听力 受损或中毒。
    • 10. 发明授权
    • Supplemental alert generation device
    • 补充警报生成装置
    • US08237577B2
    • 2012-08-07
    • US12703097
    • 2010-02-09
    • David E. AlbertJames J. LewisLandgrave T. Smith
    • David E. AlbertJames J. LewisLandgrave T. Smith
    • G08B21/00
    • G08B1/08
    • A battery-powered supplemental alert generator is disclosed that is adapted to be mounted in close proximity to, such as within 3 or 4 feet of, a conventional smoke, heat and/or fire detector/alert device. The supplemental alert generator operates in a relatively low power mode while listening for the nearby detector/alert device to generate a standard audible alert signal. Upon detecting that a monitored sound level has reached a particular threshold, the supplemental alert generator enters into a higher power analysis mode in which it analyzes the detected signal to assess whether it is an audible alert signal. If an audible alert signal is detected, the supplemental alert generator generates one or more supplemental alert signals, such as a 520 Hz audible square wave signal. The supplemental alert generator may be used to retrofit a house, hotel, or other building to comply with new standards or to otherwise increase the effectiveness of the existing detection/alert system.
    • 公开了一种电池供电的附加警报发生器,其适于安装在诸如常规烟雾,热和/或火灾探测器/警报装置的3或4英尺内的近距离内。 辅助警报发生器以相对较低的功率模式工作,同时监听附近的检测器/警报装置以产生标准的可听警报信号。 在检测到监视的声级达到特定阈值时,补充警报发生器进入较高功率分析模式,在该功能分析模式中,分析检测到的信号以评估其是否是可听警报信号。 如果检测到可听见的警报信号,补充警报发生器产生一个或多个补充警报信号,例如520Hz的可听方波信号。 补充警报发生器可用于改造房屋,酒店或其他建筑物以符合新标准或以其他方式增加现有检测/警报系统的有效性。