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    • 3. 发明授权
    • Vehicle performance detection and recording apparatus
    • 车辆性能检测和记录装置
    • US4533962A
    • 1985-08-06
    • US405591
    • 1982-08-05
    • Ronald R. DeckerWilliam T. Shannon
    • Ronald R. DeckerWilliam T. Shannon
    • G01D3/10G01D9/04G07C5/08G11B5/00
    • G01D9/04G01D3/10G07C5/085
    • A method and apparatus for sensing and recording diverse operational and performance characteristics of automotive vehicles and the like has a plurality of transducers directly associated with different mechanical functions of the vehicle for sensing their operating characteristics in relation to time as well as generating analog signals representative of certain functions and combining them with digital signals representing other functions. A signal converter encodes signals from the transducers and converts the signals in predetermined order into digital data signals. Each succession of signals generated are temporarily stored. A recorder then records information stored serially and enables ready access to and identification of each event or condition. After recordation of information over a selected time interval, the recording is automatically erased as additional information is transmitted to the recorder to provide a current history over limited time intervals, such as, 30 minutes so as to be especially useful in accident analysis.
    • 用于感测和记录机动车辆等的各种操作和性能特征的方法和装置具有直接与车辆的不同机械功能相关联的多个换能器,用于感测其相对于时间的操作特性,以及产生代表 某些功能,并将它们与表示其他功能的数字信号相结合。 信号转换器对来自换能器的信号进行编码,并以预定顺序将信号转换为数字数据信号。 产生的每个信号序列被暂时存储。 然后,记录器记录连续存储的信息,并使得能够准确地访问和识别每个事件或状况。 在所选择的时间间隔内记录信息之后,当附加信息被传送到记录器以在限定的时间间隔(例如30分钟)内提供当前历史记录时,记录被自动擦除,以便在事故分析中特别有用。