US Patent No: 7,643,836
Number of patents in Portfolio can not be more than 2000
Determining approximate locations of network devices that are inaccessible to GPS signals
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Jan 5, 2010
Issued date -
Jun 20, 2008
filing date -
12/143,501
serial no -
In Force
status
Importance
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Abstract
Methods, apparatus, and computer program products for determining approximate locations of network devices. Information is received concerning last known locations of portable network devices that attach to a network, and used to compute an approximate location of an obscured network device attached to the network. In some embodiments, the last known locations of the portable network devices may be determined using information from GPS satellites. The approximate location of the obscured network device may be used as the approximate location of other stationary network devices connected to the same network.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 2003/0134,645 Method and apparatus for providing data | 20 | 2002 | |
| 2004/0093,325 System and method for location influenced network search | 17 | 2002 | |
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| 2004/0203,380 Method and wireless terminal for generating and maintaining a relative positioning system | 40 | 2002 | |
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| 2003/0225,893 Locating devices in a data network | 89 | 2003 | |
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| 2005/0079,877 Mobile object location providing device and mobile object location providing system | 12 | 2004 | |
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| 6,831,598 Method of exchanging data between a local device and a central server | 5 | 2002 | |
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| 6,819,267 System and method for proximity bookmarks using GPS and pervasive computing | 23 | 2000 | |
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| 6,473,038 Method and apparatus for location estimation | 65 | 2001 | |
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| 6,643,586 System and method to determine fibre channel device locations using GPS | 9 | 2001 | |
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| 7,202,814 System and method for presence-based area monitoring | 31 | 2003 | |
Patent Citation Ranking
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