08144183 is referenced by 64 patents and cites 41 patents.

A method for two-way audio-video communications between a first person at an entrance and a second person comprises the steps of detecting, with a proximity sensor located proximate an entrance, the presence of a first person at the entrance and providing real time audio-video communications between the first person at the entrance and a second person using a wireless handheld device. The method includes transmitting video of the first person to the wireless handheld device of the second person, transmitting audio of the first person to the wireless handheld device of the second person, and transmitting audio of the second person to the first person at the entrance.

Title
Two-way audio-video communication method for receiving person at entrance
Application Number
11/618618
Publication Number
8144183 (B2)
Application Date
December 29, 2006
Publication Date
March 27, 2012
Inventor
Ronald Carter
Matthews
NC, US
Agent
Jeremy C Doerre
Chad D Tillman
Tillman Wright PLLC
Assignee
Revolutionary Concepts
NC, US
IPC
H04N 7/14
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