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136 条记录 (耗时 0.025 秒)

    Information retrieval apparatus for searching target literature data from an information recording medium, including reuse of past retrieving results
    4.
    发明授权
    Information retrieval apparatus for searching target literature data from an information recording medium, including reuse of past retrieving results 失效
    信息检索装置，用于从信息记录介质搜索目标文献数据，包括重用过去的检索结果

    公开(公告)号：US5457794A

    公开(公告)日：1995-10-10

    申请号：US49734

    申请日：1993-04-19

    申请人： Yasushi Azumatani ,  Isao Satoh ,  Yoshihisa Fukushima ,  Yuji Takagi ,  Hiroshi Hamasaka ,  Yuji Hisakado

    发明人： Yasushi Azumatani ,  Isao Satoh ,  Yoshihisa Fukushima ,  Yuji Takagi ,  Hiroshi Hamasaka ,  Yuji Hisakado

    IPC分类号： G06F17/30

    CPC分类号： G06F17/30985 ,  G06F17/30457 ,  Y10S707/99932 ,  Y10S707/99933

    摘要： The present invention relates to an information retrieval apparatus for retrieving large quantities of the document files stored in the information recording medium by the successive matched comparison between the character string of a target and the character string in the coded document. When the retrieving result of the document file retrieved in the past is stored within the information recording medium together with the retrieving conditions and the document file is retrieved again with the same retrieving conditions, the information retrieval apparatus of the present invention makes it unnecessary to retrieve the document file itself by the reuse of the past retrieving results if the latest retrieved date and time are newer than the recording date and time of the document file so as to shorten the retrieving time.

    摘要翻译： 信息检索装置技术领域本发明涉及一种信息检索装置，用于通过目标字符串与编码文档中的字符串之间的连续匹配比较来检索存储在信息记录介质中的大量文档文件。 当将过去检索到的文档文件的检索结果与检索条件一起存储在信息记录介质中并且以相同的检索条件再次检索文档文件时，本发明的信息检索装置使得不必检索 如果最新检索的日期和时间比文档文件的记录日期和时间更新，则通过重新使用过去的检索结果来缩短文档文件本身，以缩短检索时间。

    Double-sided optical disc player
    9.
    发明授权
    Double-sided optical disc player 失效
    双面光盘播放器

    公开(公告)号：US5253242A

    公开(公告)日：1993-10-12

    申请号：US878343

    申请日：1992-05-04

    申请人： Isao Satoh ,  Yoshihisa Fukushima ,  Yuji Takagi ,  Yasushi Azumatani ,  Hiroshi Hamasaka

    发明人： Isao Satoh ,  Yoshihisa Fukushima ,  Yuji Takagi ,  Yasushi Azumatani ,  Hiroshi Hamasaka

    IPC分类号： G11B7/00 ,  G11B7/004 ,  G11B7/085 ,  G11B21/08 ,  G11B27/10 ,  G11B27/32

    CPC分类号： G11B7/08505 ,  G11B21/085 ,  G11B27/105 ,  G11B27/32

    摘要： A double-sided optical disc player which comprises first and second optical heads for radiating laser beams to tracks on respective sides of a double-sided optical disc; first and second ID read-out units for reading respective sector addresses out from associated sector identifiers; an ID offset detecting unit for calculating, in response to outputs from the ID read-out unit, the ID offset value descriptive of an angular displacement in sector position between the opposite sides of the optical disc traced by the associated optical heads; an ID offset retaining unit for retaining the ID offset value; a first sector recording and/or production control unit for detecting a target sector when an sector address output from the first ID read-out unit coincide with the target sector and for activating a recording or reproduction of information; an adder for adding the ID offset value to an output from the second ID read-out unit; a second sector recording and/or reproduction control unit for detecting a target object when an corrected sector address outputted from the adder coincides with the target sector and for activating the recording or reproduction of the information; and an information recording and/or reproducing unit for recording or reproducing information on or from the target sectors on the respective sides of the optical disc by means of the first and second sector recording and/or reproduction control units.