Method and apparatus to create multicast groups based on proximity

O Michaelis - US Patent 8,687,536, 2014 - Google Patents
Devices and methods use close range communication links, such as near field
communication (NFC) protocol links, to enable users to authenticate mobile devices to one …

Method and apparatus to create multicast groups based on proximity

O Michaelis - 2008 - Google Patents
Multicast groups are not without their hazards, however, as members have communication
access to all members of the group. Allowing an intruder into a multicast group could leave …

Method and apparatus to create multicast groups based on proximity

O Michaelis - US Patent 8,687,536, 2014 - freepatentsonline.com
Devices and methods use close range communication links, such as near field
communication (NFC) protocol links, to enable users to authenticate mobile devices to one …

Method and Apparatus to Create Multicast Groups Based on Proximity

O Michaelis - US Patent App. 12/035,358, 2008 - freepatentsonline.com
Devices and methods use close range communication links, such as near field
communication (NFC) protocol links, to enable users to authenticate mobile devices to one …