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    • 53. 发明授权
    • Adaptive audio content generation system
    • 自适应音频内容生成系统
    • US08018328B2
    • 2011-09-13
    • US12208923
    • 2008-09-11
    • Steven GoldsteinJohn Usher
    • Steven GoldsteinJohn Usher
    • G08B3/00B60Q1/22H03G3/20
    • B60Q5/00
    • Methods and systems are provided which generate an alarm signal that alerts individuals who may be in the vicinity of a reversing vehicle and that alerts a vehicle operator when the alarm signal is not audible due to high ambient sound levels or detritus covering the alarm transducer. A background noise level in proximity to the vehicle is monitored. A level of the alarm signal is increased as the ambient (or background) sound level rises. Conversely, the level of the alarm signal is reduced as the background noise level decreases. The alarm signal is changed in volume, frequency, or both based on a velocity of the vehicle. A frequency content of the alarm signal may be modified if a spectral profile of an ambient sound field contains spectral components that may mask the alarm signal.
    • 提供了产生警报信号的方法和系统,该警报信号警告可能在反向车辆附近的个人,并且当警报信号由于高的环境声级或覆盖报警换能器的碎屑而不能听到时警告车辆操作者。 监测车辆附近的背景噪音水平。 当环境(或背景)声级上升时,报警信号的电平增加。 相反,随着背景噪声水平的降低,报警信号的电平也会降低。 基于车辆的速度,报警信号以体积,频率或两者改变。 如果环境声场的频谱分布包含可能屏蔽报警信号的频谱分量,则可以修改报警信号的频率内容。
    • 56. 发明申请
    • ADAPTIVE AUDIO CONTENT GENERATION SYSTEM
    • 自适应音频内容生成系统
    • US20090146799A1
    • 2009-06-11
    • US12208923
    • 2008-09-11
    • Steven GoldsteinJohn Usher
    • Steven GoldsteinJohn Usher
    • B60Q1/22H03G3/20
    • B60Q5/00
    • At least one exemplary embodiment is directed to an alarm signal alerts individuals who may be in the vicinity of the reversing vehicle and alerts the vehicle operator when the alarm signal is not be audible due to high ambient sound levels or detritus covering the alarm transducer. The background noise level in proximity to the vehicle is monitored. The level of the alarm signal is increased as the ambient (or background) sound level rises. Conversely, the level of the alarm signal is reduced as the background noise level decreases. The alarm signal is changed in volume, frequency, or both based on velocity of the vehicle. In other exemplary embodiments, the frequency content of the alarm signal is modified if the spectral profile of the ambient sound field contains spectral components that may mask the alarm signal.
    • 至少一个示例性实施例涉及警报信号,该警报信号警告可能在反向车辆附近的个人,并且当警报信号由于高的环境声级或覆盖报警换能器的碎屑而不能被听见时,警告车辆操作者。 监控车辆附近的背景噪音水平。 随着环境(或背景)声级上升,报警信号的电平增加。 相反,随着背景噪声水平的降低,报警信号的电平也会降低。 基于车辆的速度,报警信号以体积,频率或两者改变。 在其他示例性实施例中,如果环境声场的频谱分布包含可以屏蔽报警信号的频谱分量,则修改报警信号的频率内容。
    • 58. 发明授权
    • Alkyl and aryl-thiotrifluoroacetates and process
    • 烷基和芳基 - 三油酰氯酸盐和方法
    • US07470810B2
    • 2008-12-30
    • US11032734
    • 2005-01-11
    • Padam N. SharmaEdward J. GubloSusan D. BoettgerSaibaba RachaJohn Usher
    • Padam N. SharmaEdward J. GubloSusan D. BoettgerSaibaba RachaJohn Usher
    • C07C321/04
    • C07C327/22C07C231/02C07C2603/74Y02P20/55C07C233/48
    • Novel C3-C19 alkyl- and aryl-thiotrifluoroacetates are provided which have the structure wherein Q is C9-C19 alkyl or aryl, and are useful protecting agents for the amino or hydroxy functional groups of amines, amino acids or primary or secondary alcohols or amino alcohols to enable formation of amide bonds in peptides or proteins which are useful as screening agents, pharmaceuticals and cosmetics. A process for preparing C3-C19 alkyl- and aryl-thiotrifluoroacetates is also provided wherein a C3-C19 alkylthiol or arylthiol is treated with trifluoroacetic anhydride (TFAA) in the presence of organic base such as pyridine, a solvent such as dichloromethane (DCM) and dimethylaminopyridine (DMAP) as a catalyst to form the desired C3-C19 alkyl- or aryl-thiotrifluoroacetate.In addition, a process for protecting a primary or secondary amino group or a primary or secondary hydroxyl group or an amino alcohol with a trifluoroacetyl protecting group is provided wherein a primary or secondary amine, amino acid, a primary or secondary alcohol or an amino alcohol is treated with a C3 to C19 alkyl- or aryl-thiotrifluoroacetate in basic aqueous solution.
    • 提供新的C3-C19烷基 - 和芳基 - 三油酸乙酯,其具有其中Q是C9-C19烷基或芳基的结构,并且是胺,氨基酸或伯或仲醇或氨基的氨基或羟基官能团的有用的保护剂 醇,以在肽或蛋白质中形成酰胺键,其可用作筛选剂,药物和化妆品。 还提供了制备C 3 -C 19烷基 - 和芳基 - 三硫代三氟乙酸盐的方法,其中在有机碱如吡啶,溶剂如二氯甲烷(DCM))存在下,用三氟乙酸酐(TFAA)处理C 3 -C 19烷基硫醇或芳基硫醇, 和二甲基氨基吡啶(DMAP)作为催化剂形成所需的C 3 -C 19烷基 - 或芳基 - 三硫代三氟乙酸盐。 另外,提供了用三氟乙酰基保护基保护伯或仲氨基或伯或仲羟基或氨基醇的方法,其中伯胺或仲胺,氨基酸,伯或仲醇或氨基醇 在碱性水溶液中用C3至C19烷基 - 或芳基 - 三硫代三氟乙酸盐处理。