Apparatus, method and articles of manufacture for sequential...

Details Apparatus, method and articles of manufacture for sequential... Apparatus, method and articles of manufacture for sequential...

2005-06-28

2005-06-28

Sotomayor, John B. (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Presence detection only

By motion detection

C342S079000, C342S107000, C342S109000, C342S113000, C342S114000, C342S115000, C342S127000, C342S133000, C342S139000, C342S146000, C342S194000

Reexamination Certificate

active

06911934

ABSTRACT:
A sensor front end that is able to discriminate objects based on their range from the sensor and to derive bearing information therefrom. The sensor system may include a signal source for generating source signal; an antenna system for transmitting the source signal to and receiving a reflected signal from the object; wherein the antenna system is configured for introducing a phase shift into either the source signal or the reflected signal to create a plurality of signal patterns; and an information processor programmed to receive the reflected signal and to determine bearing information for the object based on position and phase information in the plurality of signal patterns.

REFERENCES:
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patent: 3460140 (1969-08-01), Logan
patent: 4006478 (1977-02-01), Lewis et al.
patent: 4219812 (1980-08-01), Rittenbach
patent: 4430655 (1984-02-01), Rittenbach
patent: 5093666 (1992-03-01), Jamison
patent: 6825797 (2004-11-01), Ishii et al.
patent: 6839017 (2005-01-01), Dillman

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