| Patent Number |
Title Of Patent |
Date Issued |
| 7386201 |
Mems mirror array and controls |
June 10, 2008 |
| A MEMS mirror array in which the MEMS mirrors are driven in two axes by vertical comb drive actuators. Tortional elements with conductive comb fingers are utilized to provide the two axis actuation. A MEMS mirror control system supplies electrical voltage potentials between inside pi |
| 7385549 |
Millimeter wave portal imaging system |
June 10, 2008 |
| A millimeter wave portal imaging system for the detection of concealed weapons, explosives and other contraband items. A preferred millimeter wave imaging system includes a number (such as 64) of millimeter wave detection units each including a frequency scanning antenna and associat |
| 7349804 |
Daytime stellar imager |
March 25, 2008 |
| An automatic celestial navigation system for navigating both night and day by observation of K-band or H-band infrared light from multiple stars. In a first set of preferred embodiments three relatively large aperture telescopes are rigidly mounted on a movable platform such as a ship or |
| 7349803 |
Daytime stellar imager |
March 25, 2008 |
| An automatic celestial navigation system for navigating both night and day by observation of K-band or H-band infrared light from multiple stars. A preferred embodiment uses three telescopes with each of the three telescopes rigidly mounted with respect to each other and rigidly mounted |
| 7248204 |
Security system with metal detection and mm-wave imaging |
July 24, 2007 |
| A concealed weapons and contraband detection system combining metal detection equipment with millimeter wave imaging equipment. The preferred millimeter wave imaging equipment includes at least one millimeter wave frequency scanning antenna for collecting frequency dependent beams of |
| 7194236 |
Millimeter wave imaging system |
March 20, 2007 |
| A millimeter wave imaging system that includes at least one millimeter wave frequency scanning antenna for collecting frequency dependent beams of millimeter wave radiation from a narrow one-dimensional field of view. The collected radiation is amplified at the collected frequencies and |
| 7190509 |
Optically addressed MEMS |
March 13, 2007 |
| Optically controlled micro-electromechanical systems (MEMS) is disclosed. In one embodiment, a MEMS device may include a rotatable mirror having an optical sensor that is in electrical communication with the rotatable mirror via an associated electrode. Electrical potential may be suppli |
| 7177497 |
Porous silicon filter for wavelength multiplexing or de-multiplexing |
February 13, 2007 |
| A porous silicon filter for wavelength multiplexing and de-multiplexing. Preferred embodiments include rugate-type porous silicon filters with pores having continuously varying widths with pore depth an optical cross connect switch. In other preferred embodiments, the pores are filled wi |
| 7177390 |
Digital x-ray tomosynthesis system |
February 13, 2007 |
| Method and device for digital x-ray tomosynthesis. Tomographic and/or three-dimensional images of an object are obtained with an x-ray source and a digital x-ray image sensor. The source, object and sensor are positioned relative to each other and attenuation data is obtained for a l |
| 7176762 |
Radio frequency power amplifier |
February 13, 2007 |
| A radio frequency amplifier comprising a circuit board having a boundary shaped in the form of an ellipse and two dielectric layers, a first dielectric layer and a second dielectric layer, enclosed by conductive layers. Radio frequency signals are broadcasted from one of the two foci, |
| 7170442 |
Video rate passive millimeter wave imaging system |
January 30, 2007 |
| A passive millimeter wave imaging system that includes at least one millimeter wave frequency scanning antenna and multiple beam formers collecting narrow beams of millimeter wave radiation from a two-dimensional field of view. The collected radiation is amplified and separated into |
| 7062293 |
Cellular telephone system with free space millimeter wave trunk line |
June 13, 2006 |
| A wireless cellular communication system in which groups of cellular base stations communicate with a central office via a narrow-band millimeter wave trunk line. The transceivers are equipped with antennas providing beam divergence small enough to ensure efficient spatial and directiona |
| 7058110 |
Excited state atomic line filters |
June 6, 2006 |
| An excited state atomic line filter. The present invention solves the problem of lack of ground state resonant lines in at wavelengths substantially longer than those of visible light. Atomic line filters of the Faraday or Voigt crossed polarizer type are provided in which alkali met |
| 7050669 |
Optical cross connect switch with axial alignment beam |
May 23, 2006 |
| An optical cross connect switch. In this switch any optical fiber in an input set of optical fibers, each carrying a communication beam, can be cross connected to any optical fiber in an output set of optical fibers. An alignment beam is added to and aligned co-axially with the commu |
| 7019682 |
Imaging millimeter wave radar system |
March 28, 2006 |
| An imaging millimeter wave radar system. The system includes a millimeter wave transmitter transmitting a frequency scanned millimeter beam that is narrow in the scanned direction and wide in a direction perpendicular to the scanned direction. The system includes a receive antenna and a |
| 6937182 |
Millimeter wave imaging system |
August 30, 2005 |
| A millimeter wave imaging system that includes at least one millimeter wave frequency scanning antenna for collecting frequency dependent beams of millimeter wave radiation from a narrow one-dimensional field of view. The collected radiation is amplified at the collected frequencies and |
| 6731833 |
Optical cross connect switch |
May 4, 2004 |
| An optical cross connect switch having a beam generating, beam directing, and beam receiving portions is disclosed. In one embodiment, the beam generating portion receives a number of optical fibers and generates a communication and companion alignment beam for each fiber. The commun |
| 6690459 |
Method and apparatus for fiber alignment using light leaked from cladding |
February 10, 2004 |
| An apparatus and method for the alignment of a converging light beam with a fiber having a core and cladding, using light leaked from the cladding is provided. Light from an incoming light beam is leaked from the cladding and passes through a ferrule surrounding the cladding, to light se |
| 6680776 |
Method and apparatus for sensing a power level of a communications beam in a fiber optic switch |
January 20, 2004 |
| A method and system for detecting a power level of a communication light beam is disclosed. In one embodiment, a fiber optic switch beam generation element generates a communication light beam that may be received at a beam splitter. The beam splitter may be configured to produce a refle |
