Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2006-06-30
2009-11-17
Ferguson, Keith T (Department: 2618)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S561000, C455S550100, C455S553100, C455S003030, C455S003010, C725S062000, C725S106000, C725S118000, C348S014010, C348S014020
Reexamination Certificate
active
07620422
ABSTRACT:
A wireless transmission system for transmitting a picture data between a transmitter and a receiver by wireless communication is provided. Each of the receiver and the transmitter is equipped with a directional antenna and a non-directional antenna. A communication of the picture data is performed by using the directional antennas, and a communication of a control data indicating a reception status of the picture data is performed by using the non-directional antennas. The transmitter controls an intensity of a signal radiated from the directional antenna of the transmitter based on the control data so that the intensity becomes a minimum intensity that can transmit the picture data.
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Deguchi Akiteru
Kumano Kenichi
Ferguson Keith T
Nixon & Vanderhye P.C.
Sharp Kabushiki Kaisha
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