Telecommunications – Wireless distribution system – Combined with diverse art device
Reexamination Certificate
2005-07-12
2005-07-12
Nguyen, Lee (Department: 2682)
Telecommunications
Wireless distribution system
Combined with diverse art device
C455S003010, C455S041100, C455S093000, C455S523000
Reexamination Certificate
active
06917785
ABSTRACT:
An Electromagnetic Field Communications System for Wireless Networks for producing an electromagnetic field within a structure is disclosed. The electromagnetic field is produced by using common conductive elements already present within virtually all pre-existing residential commercial, industrial buildings. These conductors, which may include electrical ground shields, wiring, pipes, sprinkler conduits or structural members, are excited with a signal, and become the cavity which contains the electromagnetic field. In preferred embodiments of the invention, signals are generated using the High Frequency, Very High Frequency and lower UHF bands (3 to 30, 30 to 300 and up to 400 MHz). The invention may be used to create a local area network inside the field and within the structure. Devices that include receivers tuned to the electromagnetic field may then be connected and networked. The system may be operated without causing interference to other conventional radio devices outside the structure in the HF band.
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Cocomo MB Communications, Inc.
Hughes Michael J.
Intellectual Property Law Offices
Nguyen Lee
West Lewis
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