08154581 is referenced by 69 patents and cites 45 patents.

An audio-video communication system comprises a wireless exterior module located proximate an entrance, a computerized controller running a software application, and a remote peripheral device. The wireless exterior module includes a proximity sensor for detecting a person at the entrance, a video camera for recording an image of the person at the entrance, a microphone for recording the person at the entrance, a speaker for playing audio to the person at the entrance, a transmitter for communicating sounds and images of the person at the entrance, and a receiver for receiving communications at the wireless exterior module. The computerized controller is disposed in wireless electronic communication with the wireless exterior module via the transmitter and the receiver of the wireless exterior module. The remote peripheral device is configured to electronically communicate with the computerized controller for viewing an image from the video camera communicated from the wireless exterior module.

Title
Audio-video communication system for receiving person at entrance
Application Number
11/618615
Publication Number
8154581 (B2)
Application Date
December 29, 2006
Publication Date
April 10, 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
View Original Source