发明名称 Efficient representation of date/time information
摘要 Methods, apparatus and data structures are described for representing, storing and manipulating date/time information in an 8-byte timestamp format. By limiting date/time information to a predetermined range and specifying a single date/time structure, an 8-byte timestamp is generated that is capable of conveying the same operational information as conventional 24-byte timestamps, yet which can be more efficiently generated, more efficiently stored, and more efficiently evaluated in boolean operations.
申请公布号 US2004119617(A1) 申请公布日期 2004.06.24
申请号 US20020322607 申请日期 2002.12.19
申请人 INTERNATIONAL BUSINESS MACHINES CORPORATION 发明人 BROWN KEVIN;ELVERY SPICER MICHAEL JOHN
分类号 H03M7/14;H03M7/30;(IPC1-7):H03M7/00 主分类号 H03M7/14
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