41
Richard E Sklar, Lawrence E Girard, Ralph P Phillipp: Distribution of a large number of live television programs to individual passengers in an aircraft. Hughes Electronics, G S Grunebach, M W Sales, W K Denson Low, June 2, 1998: US05760819 (104 worldwide citation)

A satellite television system that provides live television programming to passengers by integrating direct broadcast satellite services into an in-flight aircraft entertainment system. The system has an antenna disposed on the aircraft that is pointed at a plurality of satellites that are part of a ...


42
William R Crumly: Membrane connector with stretch induced micro scrub. Hughes Aircraft Company, Elizabeth E Leitereg, Terje Gudmestad, W K Denson Low, March 7, 1995: US05395253 (102 worldwide citation)

A membrane connector or test probe having a group of connector or test probe contacts (14) in a central contact section of the membrane (12) is initially stretched by being axially displaced from the plane of the peripheral membrane support (10). The test probe is cause to contact the pads (43,44) o ...


43
Ruth A Mullen: Opto-electronic membrane probe. Hughes Aircraft Company, V D Duraiswamy, W K Denson Low, December 10, 1996: US05583445 (101 worldwide citation)

A probe for testing very high frequency circuit chips (34) includes a flexible membrane (12) having test probe contacts (14), arranged to contact pads (32) on the device under test to bias up, drive and load down the circuit under test. Various optically-addressable devices (68,130,202) are mounted ...


44
Michael J Little, Jan Grinberg, Hugh L Garvin: 3-D integrated circuit assembly employing discrete chips. Hughes Aircraft Company, V D Duraiswamy, W K Denson Low, July 16, 1991: US05032896 (101 worldwide citation)

A 3-D IC chip assembly is formed from stacked substrates in which each individual substrate has a plurality of different IC chips retained in respective recesses. Conductive feedthroughs extend through the substrate from the side where the chips are located to the opposite side, with the chips elect ...


45
John Pasiecznik Jr: Multiport membrane probe for full-wafer testing. Hughes Aircraft Company, V D Duraiswamy, W K Denson Low, April 22, 1997: US05623214 (99 worldwide citation)

A membrane probe (10) for simultaneously testing two or more columns or rows of integrated circuits (37) while still on the wafer (56) upon which they are manufactured includes a flexible visually clear and self planarizing membrane (18) having circuit traces (22). A substrate (12) on which the memb ...


46
Steve I Hsu: High spectral purity digital waveform synthesizer. Hughes Aircraft Company, Leonard A Alkov, W K Denson Low, February 27, 1996: US05495202 (99 worldwide citation)

A digital waveform synthesizer, using a direct digital synthesizer and a digital frequency divider. The direct digital synthesizer provides a digitally synthesized input frequency signal. An upconverter and frequency divider circuit upconverts and divides the synthesized input frequency signal to pr ...


47
Myron L Nack, Thomas O Ellis, Norton L Moise, Andrew Rosman, Robert J McMillen, Chao Yang, Gary N Landis: Digital visual and sensor simulation system for generating realistic scenes. Hughes Aircraft Company, Georgann S Grunebach, Terje Gudmestad, W K Denson Low, May 31, 1994: US05317689 (98 worldwide citation)

A system using a ray-tracing algorithm and a hierarchy of volume elements (called voxels) to process only the visible surfaces in a field of view. In this arrangement, a dense, three-dimensional voxel data base is developed from the objects, their shadows and other features recorded, for example, in ...


48
Arthur F Griffin, Caesar P Ancheta: Rectilinear object image matcher. Hughes Aircraft Company, Terje Gudmestad, Michael W Sales, W K Denson Low, November 23, 1993: US05265173 (98 worldwide citation)

A process for extracting the precise perimeter of buildings from down-looking terrain images. The process works for any rectilinear building shape, and no restrictions are placed on the orientation or scale of the buildings within an image. The process has the advantages of robustness and execution ...


49
Harry T Wang, Gregory L Tangonan, Willie W Ng: Wavelength division multiplexed fiber optic link for RF polarization diversity receiver. Hughes Aircraft Company, V D Duraiswamy, W K Denson Low, December 27, 1994: US05377035 (97 worldwide citation)

A single transmission optical fiber is used to transmit RF signals of the same frequency but different polarization from a source to a polarization diversity receiver without introducing interference between the signals. The incoming signal of one polarization modulates a first laser transmitter ope ...


50
Thomas B Stanford Jr, Sidney C Chao: Low cost equipment for cleaning using liquefiable gases. Hughes Aircraft Company, M E Lachman, M W Sales, W K Denson Low, August 23, 1994: US05339844 (95 worldwide citation)

Precision cleaning of parts is performed with liquefiable gases, such as CO.sub.2, without the use of a complex and costly processor system. Rather, simplified and reliable performance for small scale and "low end" cleaning applications is accomplished without the use of pumps and condensers. The ap ...