Wireless communications system utilizing directional...

Telecommunications – Transmitter and receiver at separate stations – Distortion – noise – or other interference prevention,...

Reexamination Certificate

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Details

C455S025000, C455S575500, C455S575700, C455S440000, C455S271000, C455S300000, C370S331000

Reexamination Certificate

active

06980772

ABSTRACT:
A system for wireless communications is provided. The system includes a hand-held wireless communications device, such as a cell phone. An antenna is connected to the cell phone. The antenna radiates radio waves over an area of less than 360 degrees of arc, such as in a cardioid or hemisphere. The antenna is oriented such that hemisphere is in the direction away from a head of a user of the cell phone.

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