US Patent 7456798 Stacked loop antenna
Patent 7456798 was granted and assigned to Freescale Semiconductor on November, 2008 by the United States Patent and Trademark Office.
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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.
US Patent 07456798 Stacked loop antenna US Patent 7456798 Stacked loop antenna
US Patent 07456798 Stacked loop antenna
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