Direct conversion system for security standoff detection

Details Direct conversion system for security standoff detection Direct conversion system for security standoff detection

2007-12-04

2007-12-04

Hannaher, Constantine (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

Reexamination Certificate

active

11287725

ABSTRACT:
A security detection system includes a radiation source configured to generate and direct terahertz radiation onto an object. Further, the system also includes a detector module configured to detect and process radiation from the object, the detector module comprising a parallel arrangement of at least two low noise amplifiers, each operable in a respective frequency band.

REFERENCES:
patent: 6815683 (2004-11-01), Federici et al.
patent: 2001/0033636 (2001-10-01), Hartick et al.
patent: 2002/0067480 (2002-06-01), Takahashi
patent: 2002/0074500 (2002-06-01), Mickan et al.
patent: 2399626 (2004-09-01), None
patent: 2411093 (2005-08-01), None
patent: WO2004/083796 (2004-09-01), None
patent: WO2005/080947 (2005-09-01), None

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