Stacked loop antenna

Communications: radio wave antennas – Antennas – High frequency type loops

Reexamination Certificate

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Details

C343S867000

Reexamination Certificate

active

07456798

ABSTRACT:
A small transceiver device and antenna system has an insulating layer with first and second surfaces. A transmit loop element having transmit loop segments is formed on the first surface. The transmit loop segments are disposed in a transmit zigzag configuration. A receive loop element having receive loop segments is formed on the second surface. The receive loop segments are disposed in a receive zigzag configuration. Each receive loop segment in the receive zigzag configuration is skewed with respect to a closest transmit loop segment disposed in the transmit zigzag configuration. The transmit loop segments can be grouped in two or more transmit zigzag configurations, and the receive loop segments can be grouped in two or more receive zigzag configurations.

REFERENCES:
patent: 6570541 (2003-05-01), Dettloff
patent: 2005/0113035 (2005-05-01), Kyongyop
patent: 1524723 (2005-04-01), None
patent: 1555717 (2005-07-01), None

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