===IP information===
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{|border="2" cellspacing="02" cellpadding="4" width="10075%" align = "center"
|align = "center" bgcolor = "#99CCFF"|Search scope: US Granted US Applications EP-A EP-B WO JP (bibliographic data only) DE-C,B DE-A DE-T DE-U GB-A FR-A; Full patent spec.<br>Years: 1991-2007 <br>Any Classification: G06F OR G06Q OR G08G OR H04B OR H04K OR H04L OR H04N OR H04Q
|align = "center" bgcolor = "#99CCFF"|Patents