Holographic arrays for threat detection and human feature...

Details Holographic arrays for threat detection and human feature... Holographic arrays for threat detection and human feature...

2006-04-25

2006-04-25

Gregory, Bernarr E. (Department: 3662)

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

With particular circuit

Display

C342S022000, C342S02500R, C342S02500R, C342S175000, C342S176000, C342S188000, C342S195000

Reexamination Certificate

active

07034746

ABSTRACT:
A method and apparatus to remove human features utilizing at least one transmitter transmitting a signal between200MHz and1THz, the signal having at least one characteristic of elliptical polarization, and at least one receiver receiving the reflection of the signal from the transmitter. A plurality of such receivers and transmitters are arranged together in an array which is in turn mounted to a scanner, allowing the array to be passed adjacent to the surface of the item being imaged while the transmitter is transmitting electromagnetic radiation. The array is passed adjacent to the surface of the item, such as a human being, that is being imaged. The portions of the received signals wherein the polarity of the characteristic has been reversed and those portions of the received signal wherein the polarity of the characteristic has not been reversed are identified. An image of the item from those portions of the received signal wherein the polarity of the characteristic was not reversed is then created.

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