Patent ID: 7307651
Filing Date: 2007-12-11
Classification: H04N

Abstract:
1. A remote videoconferencing system, comprising: first and second diversity antennas; a wireless access point in communication with a digital data network having a transmit channel in communication with the first diversity antenna and a receive channel in communication with the second diversity antenna; an amplifier coupled to a selected one of the transmit and receive channels of the wireless access point to the respective one of the first and second diversity antenna to increase transmission range to the portable videoconferencing unit; and a portable videoconferencing unit, comprising: a carrier, an antenna in communication with the wireless access point, a digital bridge coupled to the antenna, a group videoconferencing system connected to the digital bridge, a portable power supply, and a display wherein the amplifier further comprises a combination solid state amplifier coupled to the transmit channel and a low noise amplifier coupled to the receive channel, the amplifier further comprising switching circuitry responsive to a transmit/receive status of the wireless access point to actively switch between operation of the solid state amplifier and the low noise amplifier.