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公开(公告)号：EP0066719A3
公开(公告)日：1986-02-05
申请号：EP82103986
申请日：1982-05-07
CPC分类号： G06K7/10851 , G06K9/20 , G06K9/2009
摘要： The output (18) from an optical sensor is recharged for a time dictated by the output of the digital-to-analog converter (11). A previous count indicative of the recharge time is stored in memory (52) which controls the converter (11). This count is manipulated in incrementing circuit elements (54) depending on the time the comparator (12) signals a difference signal, indicative of a period of recharge.
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公开(公告)号：EP0066719A2
公开(公告)日：1982-12-15
申请号：EP82103986.4
申请日：1982-05-07
CPC分类号： G06K7/10851 , G06K9/20 , G06K9/2009
摘要： The output (18) from an optical sensor is recharged for a time dictated by the output of the digital-to-analog converter (11). A previous count indicative of the recharge time is stored in memory (52) which controls the converter (11). This count is manipulated in incrementing circuit elements (54) depending on the time the comparator (12) signals a difference signal, indicative of a period of recharge.
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公开(公告)号：EP0066719B1
公开(公告)日：1989-11-15
申请号：EP82103986.4
申请日：1982-05-07
CPC分类号： G06K7/10851 , G06K9/20 , G06K9/2009
摘要： The output (18) from an optical sensor is recharged for a time dictated by the output of the digital-to-analog converter (11). A previous count indicative of the recharge time is stored in memory (52) which controls the converter (11). This count is manipulated in incrementing circuit elements (54) (70 and 72) depending on the time the comparator (12) signals a difference signal, indicative of a period of recharge.
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