Telecommunications – Radiotelephone system – Emergency or alarm communication
Reexamination Certificate
2007-11-05
2011-10-18
Trinh, Tan (Department: 2618)
Telecommunications
Radiotelephone system
Emergency or alarm communication
C455S517000, C455S440000, C455S063400, C455S456100, C455S562100, C370S329000, C342S357490
Reexamination Certificate
active
08041333
ABSTRACT:
Information may be communicated between two or more wireless devices via adaptive or steered antennas or antenna systems and 60 GHz signals. The adaptive or steered antennas or antenna systems may be initialized based upon location information determined from a beacon signal and/or a reference system. The beacon signal may be swept through an angle and may be utilized along with reference system information to determine the direction and/or distance between the two or more wireless devices. Spatial relationships between the two or more wireless devices may vary. The two or more wireless devices may communicate and coordinate communications between them via alternate lower frequency signals.
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Hansen Christopher J.
Karaoguz Jeyhan
Broadcom Corporation
McAndrews Held & Malloy Ltd.
Trinh Tan
LandOfFree
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