发明名称 |
Digital rights management using a triangulating geographic locating device |
摘要 |
A method and system for controlling distribution of content within a personal domain that makes use of a determination of the relative proximity to a source device or the geographic locations of the receiving devices. The location information may be determined using a Global Positioning System (GPS) or wireless triangulation systems. Usage rights for devices in the network are determined using the location or proximity determination.
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申请公布号 |
US7450930(B2) |
申请公布日期 |
2008.11.11 |
申请号 |
US20040005937 |
申请日期 |
2004.12.06 |
申请人 |
MOTION PICTURE ASSOCIATION OF AMERICA |
发明人 |
WILLIAMS JIM C.;RUSSELL JOHN CHRISTOPHER PARK |
分类号 |
H04M1/68;G06F;H04B3/36;H04L29/06;H04L29/08 |
主分类号 |
H04M1/68 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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