Antenna system and method of using same

Communications: radio wave antennas – Antennas – Microstrip

Reexamination Certificate

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C343S893000

Reexamination Certificate

active

06970133

ABSTRACT:
An antenna system includes a plurality of transmit elements spaced apart by a first dimension and a plurality of receive elements spaced apart by a second dimension, such that the first dimension is a non-integer multiple of the second dimension and the second dimension is a non-integer multiple of the first dimension. A method includes transmitting a signal from a plurality of transmit elements spaced apart by a first dimension and receiving a portion of the transmitted signal reflected from an object via a plurality of receive elements spaced apart by a second dimension, such that the first dimension is a non-integer multiple of the first dimension and second dimension is a non-integer multiple of the first dimension.

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patent: 3978482 (1976-08-01), Williams et al.
patent: 5537367 (1996-07-01), Lockwood et al.
patent: 5847675 (1998-12-01), Poinsard
patent: 6067048 (2000-05-01), Yamada
patent: 6098547 (2000-08-01), West
patent: 6175333 (2001-01-01), Smith et al.
patent: 6246359 (2001-06-01), Asano et al.
patent: 6304214 (2001-10-01), Aiken et al.
patent: 6335700 (2002-01-01), Ashihara
patent: 6473040 (2002-10-01), Nakamura
patent: WO99/34234 (1999-07-01), None

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