¼ö¸¹Àº ȸ»çµé°ú °¢Á¾ ƯÇã ÀüÀïÀ» Ä¡·ç°í ÀÖ´Â ¾ÖÇÃÀÌ À̹ø¿¡´Â À§Ä¡ È®ÀÎ ±â¼ú°ú °ü·ÃÇØ ¼Ò¼Û´çÇß´Ù´Â ¼Ò½ÄÀÌ ¾Ë·ÁÁ³´Ù. 
kitguru¿¡ µû¸£¸é ÄݷζóµµÀÇ TracBeamÞä´Â ¾ÖÇÃÀÌ ÀÚ»çÀÇ À§Ä¡ È®ÀÎ °ü·Ã ƯÇã 4°³¸¦ Ä§ÇØÇß´Ù¸ç ¼Ò¼ÛÀ» Á¦±âÇßÀ¸¸ç, ÀÌµé Æ¯Çã´Â ´Ù¼öÀÇ ±âÁö±¹À¸·ÎºÎÅÍ ½ÅÈ£¸¦ ¹Þ¾Æ ¸ð¹ÙÀÏ ±â±âÀÇ À§Ä¡¸¦ È®ÀÎÇϱâ À§ÇÑ ±â¼úÀÌ´Ù. ÀÌ¹Ì ±¸±Û°ú T¸ð¹ÙÀÏ, AT&TµîÀ» »ó´ë·Îµµ °°Àº ƯÇã Ä§ÇØ ÇùÀÇ·Î ¼Ò¼ÛÀ» Á¦±âÇÑ TracBeamÞä´Â À̹ø ¼Ò¼ÛÀ» ÅëÇØ ÇØ´ç ƯÇã°¡ »ç¿ëµÈ Á¦Ç°ÀÇ ÆÇ¸Å Áߴܰú ÇÇÇØ º¸»óÀ» ¿ä±¸Çϰí ÀÖÀ¸¸ç, TracBeamÞä°¡ Ä§ÇØ´çÇß´Ù°í ÁÖÀåÇϴ ƯÇã´Â ´ÙÀ½°ú °°´Ù. US Patent No. 8,032,153, entitled ¡°Multiple Location Estimatorsfor Wireless Location¡± (the ¡®153 patent). US Patent No. 7,764,231, entitled ¡°Wireless Location Using MultipleMobile Station Location Techniques¡± (the ¡®231 patent). US Patent No. 7,525,484, entitled ¡°Gateway and Hybrid Solutionsfor Wireless Location¡± (the ¡®484 patent). US Patent No. 7,298,327, entitled ¡°Geographic Location UsingMultiple Location Estimators¡± (the ¡®327 patent).
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