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Northrop Grumman Systems Corporation Patents
Assignee:
Northrop Grumman Systems Corporation
Address:
Los Angeles, CA
No. of patents:
23
Patents:




Patent Number Title Of Patent Date Issued
7601620 Methods for fabricating nanocoils October 13, 2009
Improved nanocoils, systems and methods for fabricating nanocoils. Embodiments enable wet etching techniques for releasing coiling arm structures and forming nanocoils. A method for fabricating nanocoils includes providing a silicon-on-insulator (SOI) wafer in which SOI wafer include
7583238 Radome for endfire antenna arrays September 1, 2009
The present invention provides a radome for an endfire antenna array that includes a honeycomb core, an inner skin attached to the honeycomb core, a first set of conductive slats disposed on the inner skin of the honeycomb core and a second set of conductive slats that are disposed w
7561760 System and method for optical beam steering using nanowires and method of fabricating same July 14, 2009
An apparatus and a method for steering optical frequency beams using nanowire. A method includes providing one or more nanowire waveguide arrays, generating an optical frequency beam, wherein the optical frequency beam is incident on the one or more nanowire waveguide arrays, control
7560322 Method of making a semiconductor structure for high power semiconductor devices July 14, 2009
A substrate arrangement for high power semiconductor devices includes a SiC wafer having a Si layer deposited on a surface of the SiC wafer. An SOI structure having a first layer of Si, an intermediate layer of SiO.sub.2 and a third layer of Si, has its third layer of Si bonded to th
7557672 Frequency selective limiting with resonators July 7, 2009
A frequency selective limiter includes a pair of back-to-back diodes, coupled to an input and an output of the frequency selective limiter, and a resonator. The resonator is coupled to the pair of back-to-back diodes.
7557046 Systems and methods for interconnect metallization using a stop-etch layer July 7, 2009
Systems and methods for single lithography step interconnection metallization using a stop-etch layer are described. A method comprises depositing a stop-etch layer over a semiconductor device, depositing an interconnect metallization material over the stop-etch layer, performing a s
7553119 Mail tray unloader with shuttle transfer through system comprising tilting June 30, 2009
An automated flats handling system is provided that includes mail shuttles, a tray unloading section, a quality control area, a shuttle tilter, a shuttle return section and a stacker/loader. The tray unloading section has a conveyor and unloads mail from a standard tray into one of t
7543478 Device and method for detecting hazardous material in mail June 9, 2009
A mail screening device for hazardous materials is disclosed. The mail screening device comprises a sample collection unit that uses air jets or air knives to dislodge residues of hazardous materials from a mail, and a detection unit that detects the hazardous materials in the exhaust ai
7541592 Coded aperture compton telescope imaging sensor June 2, 2009
A combined format gamma-ray detector (D) for measuring impinging gamma-rays (10) includes an active upper level coded aperture detector plane member (12) that is suitable for detecting an impinging gamma-ray (10). An active lower level gamma ray detector plane member (14) that is spa
7525660 Systems and methods for use in detecting harmful aerosol particles April 28, 2009
The invention provides systems and methods for detecting aerosols. The systems and methods can be used to detect harmful aerosols, such as, bio-aerosols.
7525099 Nuclear radiation detection system April 28, 2009
A nuclear radiation detection system using narrowband UV crystal filters is disclosed. Since the photons produced during the decay of .beta.- and .gamma.-radiation can be detected in the spectral range of about 200-350 nm (the ultraviolet range), UV filter based photo sensors are utilize
7510363 Bundle handling device March 31, 2009
A bundle handling device is provided that includes a frame, a body, a scoop, a ramp and a controller. The body is mounted to the frame and includes a first opening through which bundles are loaded and a second opening through which bundles are discharged. The scoop and the ramp are m
7498832 Arbitrary quantum operations with a common coupled resonator March 3, 2009
A quantum logic gate is formed from multiple qubits coupled to a common resonator, wherein quantum states in the qubits are transferred to the resonator by transitioning a classical control parameter between control points at a selected one of slow and fast transition speeds, relative to
7468690 Method and system for calibrating ESA, distributed waveform generator and receivers in sub-array December 23, 2008
A system for calibrating waveform generators and receivers of non-overlapping electronic scanning antennas includes a first sub-array, a second sub-array and a calibration cable. The first sub-array includes a first waveform generator, a first receiver, and a first switch assembly. T
7449976 Power efficient PIN attenuator drive circuit November 11, 2008
An attenuator circuit (10) having two or more branch circuits (12a to 12e) has inputs (14a to 14e) for the branch circuits (12a to 12e) being connected essentially in parallel arrangement to an input port (20) for the attenuator circuit (10). Each branch circuit (12a to 12e) includes
7444878 Resonant frequency pressure sensor November 4, 2008
A pressure sensor (S) includes an antenna member (10) that is adapted to be resonantly responsive to a desired frequency of electromagnetic radiation (12). An inductance changing body formed from a compressible dielectric material (14) is positioned in proximity to the antenna member
7439508 Ultra-sensitive silicon sensor, long-wave infrared microantenna October 21, 2008
Hybrid microantennas and improved sensor structures incorporating hybrid microantenna embodiments are described herein. A hybrid long-wave infrared (LWIR) microantenna includes four inner pie-shaped arms in which the four inner pie-shaped arms are in a double bow-tie configuration and
7436359 Method for single satellite geolocation of emitters using an ambiguous interferometer array October 14, 2008
A method of locating a terrestrial emitter of electromagnetic radiation in the midst of a plurality of emitters in a satellite in orbit about the earth which utilizes a location estimation and location probability determination process with respect to each possible emitter site and its
7421168 Integrated optical channelizer September 2, 2008
A signal channelizer (10) includes an input waveguide (14) carrying an inputted signal (20) having a plurality of wavelengths. The input waveguide (14) has an input port (22) for receiving the inputted signal (20). A plurality of ring resonators (12) for wavelength selection are arra
7418912 Steering system and an associated vessel September 2, 2008
A steering system for a vessel is provided. The steering system includes an electric motor assembly and a steering linkage for transmitting the rotational output of the electric motor assembly to the vessel's rudder. The steering system may include at least three linkage members. The
7382311 Method, computer program product and system for differentiating physical sources from second ord June 3, 2008
A system for differentiating between a signal from a physical source and a nonlinear signal effect includes an array, a delay control element and a signal processing element. The array is configured to detect a signal at a particular location using an initial time delay. The delay contro
7339741 Multi-color wide angle infrared optical systems and methods March 4, 2008
Systems and methods for providing a wide angle multi-color infrared (IR) optical system are disclosed. In one embodiment, a system is provided that comprises a negative lens configured to receive an incoming light beam scene over a wide FOV and a beam splitter configured to receive i
6789437 Apparatus for precision slewing of flatform-mounted devices September 14, 2004
An apparatus and a method for controlling the path of oscillatory travel of a device within a two-axis system. A device, such as a camera, is held in a two axis gimbal system having motors for driving the azimuth and pitch axes. A two degree-of-freedom gyroscope is fixed to the case of t

 
 
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