1
Nuria Llombart Juan, Choonsup Lee, Goutam Chattopadhyay, John J Gill, Anders J Skalare, Peter H Siegel: Dielectric covered planar antennas. California Institute of Technology, Canady & Lortz, Bradley K Lortz, July 15, 2014: US08780012 (132 worldwide citation)

An antenna element suitable for integrated arrays at terahertz frequencies is disclosed. The antenna element comprises an extended spherical (e.g. hemispherical) semiconductor lens, e.g. silicon, antenna fed by a leaky wave waveguide feed. The extended spherical lens comprises a substantially spheri ...


2
John P Balcerowski, Milton Dunnam: Message handling system for different message delivery types. Hughes Electronics Corporation, Bradley K Lortz, Vijayalakshmi D Duraiswamy, Michael W Sales, August 8, 2000: US06101545 (58 worldwide citation)

An message handling system for handling the delivery of critical and time critical messages for a near-real-time or real-time simulation environment. A message delivery type (38) accompanies each message (34) to designate whether the message (34) is delivery critical (46) or time critical (42). A me ...


3
Kirill V Shcheglov, A Dorian Challoner: Isolated planar gyroscope with internal radial sensing and actuation. The Boeing Company, California Institute of Technology, Bradley K Lortz, May 9, 2006: US07040163 (53 worldwide citation)

The present invention discloses an inertial sensor comprising a planar mechanical resonator with embedded sensing and actuation for substantially in-plane vibration and having a central rigid support for the resonator. At least one excitation or torquer electrode is disposed within an interior of th ...


4
Kirill V Shcheglov, A Dorian Challoner, Ken J Hayworth, Dean V Wiberg, Karl Y Yee: Method of producing an integral resonator sensor and case. The Boeing Company, California Institute of Technology, Origin Law, Bradley K Lortz, September 20, 2005: US06944931 (35 worldwide citation)

The present invention discloses an inertial sensor having an integral resonator. A typical sensor comprises a planar mechanical resonator for sensing motion of the inertial sensor and a case for housing the resonator. The resonator and a wall of the case are defined through an etching process. A typ ...


5
James P Baukus, Lap Wai Chow, William M Clark Jr: Digital circuit with transistor geometry and channel stops providing camouflage against reverse engineering. Hughes Electronics Corporation, Bradley K Lortz, Vijayalakshmi D Duraiswamy, Michael W Sales, May 16, 2000: US06064110 (34 worldwide citation)

An integrated digital circuit is protected from reverse engineering by fabricating all transistors of like conductivity with a common size and geometric layout, providing a common layout for different logic cells, connecting doped circuit elements of like conductivity with electrically conductive do ...


6
Randall L Kubena, David T Chang: Disc resonator gyroscopes. The Boeing Company, Canady & Lortz, Bradley K Lortz, September 1, 2009: US07581443 (33 worldwide citation)

Embodiments of the present invention are directed to apparatuses and methods of making a micromachined resonator gyroscope, e.g. a disc resonator gyro (DRG), including one or more of the following novel features. Embodiments of the invention may comprise a triple-wafer stack gyroscope with an all fu ...


7
A Dorian Challoner, Kirill V Shcheglov: Isolated planar mesogyroscope. California Institute of Technology, The Boeing Company, Canady & Lortz, Bradley K Lortz, January 30, 2007: US07168318 (31 worldwide citation)

An inertial sensor includes a mesoscaled disc resonator comprised of micro-machined substantially thermally non-conductive wafer with low coefficient of thermal expansion for sensing substantially in-plane vibration, a rigid support coupled to the resonator at a central mounting point of the resonat ...


8
Carl S Anselmo, Sam W Houston, Daniel P Sullivan: Method and system for communicating high rate data in a satellite-based communications network. Hughes Electronics Corporation, Vijayalakshmi D Duraiswamy, Bradley K Lortz, Michael W Sales, September 26, 2000: US06125261 (31 worldwide citation)

A satellite-based communications system operating at high data rates includes a plurality of communications satellites each having an uplink and a downlink antenna for receiving and transmitting a plurality of spot beams corresponding to a plurality of coverage areas at a plurality of frequencies. T ...


9
Alfred Cellier: Coordinatable system of inclined eccentric geosynchronous orbits. Hughes Electronics Corporation, Bradley K Lortz, Vijayalakshmi D Duraiswamy, Michael W Sales, October 3, 2000: US06126116 (29 worldwide citation)

A coordinatable system of geosynchronous ("24 hour"), inclined, and slightly elliptic satellite orbits, increases available satellite orbital capacity and enables spectrum re-use by forming "highways" of moving "slots" in the space in and about the geostationary orbit (GSO) belt worldwide. Each of a ...


10
Brett Warneke, Juan Lam, Adele Schmitz, Julia Brown, Darren Atkinson, Daniel J Hyman, Robert Y Loo: Reconfigurable millimeterwave filter using stubs and stub extensions selectively coupled using voltage actuated micro-electro-mechanical switches. Hughes Electronics Corporation, Bradley K Lortz, Michael W Sales, Viji D Duraiswamy, March 28, 2000: US06043727 (27 worldwide citation)

A reconfigurable filter system designed using micro-elecro-mechanical (MEM) switches is disclosed. The filter comprises a transmission line with one or more filter stubs coupled to the transmission line by MEM switches. The impedance of the filter system is altered by selectively opening and closing ...