System and method for secure wireless connection

Details System and method for secure wireless connection System and method for secure wireless connection

2007-07-17

2007-07-17

Anderson, Matthew D. (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Near field

C455S041200, C455S041300, C455S066100, C455S011100, C455S101000, C455S073000, C455S082000, C343S742000, C343S862000, C336S065000

Reexamination Certificate

active

10292443

ABSTRACT:
A system and method for implementing a wireless communications link between two equipment envelopes through inductive coupling include two “U” shaped inductors. Wireless communications is achieved via mutual inductance between the two inductors. Circuitry is provided, which enables the transmitter to determine if a receiver is within communications range. When the two envelopes are aligned, a dual-gap toroidal core is formed, in which the gaps have opposite polarity. The opposing polarity of the two gaps minimizes the far field signature of the transmitter/receiver pair, thus enhancing communication security.

REFERENCES:
patent: 5128972 (1992-07-01), Horinouchi et al.
patent: 5771438 (1998-06-01), Palermo et al.
patent: 5966641 (1999-10-01), Flowerdew
patent: 5982764 (1999-11-01), Palermo et al.
patent: 6292081 (2001-09-01), Armfield et al.
patent: 6424820 (2002-07-01), Burdick et al.
patent: 6459882 (2002-10-01), Palermo et al.

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