Cellular telephone handset with increased reception...

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail

Reexamination Certificate

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Details

C455S456100, C455S456600

Reexamination Certificate

active

07996034

ABSTRACT:
A cellular telephone handset utilizes an electrically-steered directional antenna to increase the received signal strength when the handset is in a poor signal environment. As a result, the handset reduces the need for an end user to tilt and twirl their head to try and find the direction of the strongest signal strength.

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patent: 2006/0152410 (2006-07-01), Shi
patent: 2008/0280624 (2008-11-01), Wrappe
patent: 2009/0111381 (2009-04-01), Johnson et al.

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