1
William E Sagey, Harold V Lind, Carl E Lind: Vehicle location system. Hughes Aircraft Company, Thomas A Runk, Anthony W Karambelas, April 26, 1988: US04740792 (340 worldwide citation)

A vehicle locating system (VLS) comprises a large number, for example, several million, vehicle-mounted transmitters and several benchmark transmitters; first, second and third signal relay stations and a central processing station at which the transmitter locations are determined, the central stati ...


2
Chen Shu Chiu: Synchronization preamble correlation detector and frequency estimator. Hughes Aircraft Company, Howard R Lambert, Anthony W Karambelas, November 4, 1986: US04621365 (179 worldwide citation)

A device is disclosed which simultaneously performs sync preamble correlation detection and frequency offset estimation functions for a spread spectrum receiver. The device performs a parallel frequency search, executed by a plurality of frequency sensitive circuit channels connected in parallel. Th ...


3
Norbert L Moulin: Anti-backlash automatic locking connector coupling mechanism. Hughes Aircraft Company, Joseph E Szabo, Anthony W Karambelas, April 11, 1989: US04820185 (149 worldwide citation)

A coupling mechanism (11) comprising a receptacle (13) having an open cavity (31) therein, a plug (15) receivable in the cavity (31), and a rotatable coupling member (17) drivingly coupled to the plug (15) and coupling the plug (15) to the receptacle (13). A locking member (19) is mounted on the cou ...


4
August H Beining, Larry A Dial, William A Smith, Gene W Rieck: Electromagnetic energy interference seal for light beam touch panels. Hughes Aircraft Company, Thomas A Runk, Anthony W Karambelas, September 22, 1987: US04695827 (123 worldwide citation)

An electromagnetic energy interference seal arrangement is provided for use in light beam touch panel systems. The electromagnetic energy interference seal includes the use of waveguides associated with the light beam sources and detectors to improve light beam touch panel performance. The waveguide ...


5
Arnold I Klayman: Stereo enhancement system. Hughes Aircraft Company, Joseph E Szabo, Anthony W Karambelas, May 31, 1988: US04748669 (103 worldwide citation)

A stereo enhancement system (300) is disclosed which provides an enhanced wider stereo image and a wider listening area, and further provides perspective correction for achieving correct stereo sound perspective with speakers at different locations and with headphones. The stereo enhancement system ...


6
James A Crawford: Fast phase-lock frequency synthesizer with variable sampling efficiency. Hughes Aircraft Company, Thomas A Runk, Anthony W Karambelas, January 6, 1987: US04634998 (98 worldwide citation)

A phase-locked frequency synthesizer (10) having a voltage controlled oscillator (40), a divider circuit (60), and a sample-and-hold phase detector (30, 80, 90, 100, 110) which includes sample-and-hold circuitry (FIG. 6) having variable efficiency. Specifically, the sample-and-hold circuitry provide ...


7
James A Crawford: Sample-and-hold phase detector circuit. Hughes Aircraft Company, Thomas A Runk, Anthony W Karambelas, March 7, 1989: US04810904 (95 worldwide citation)

A sample-and-hold phase detector (30, 80, 90, 100, 110) which includes sample-and-hold circuitry (FIG. 6) having variable efficiency. Specifically, the sample-and-hold circuitry provides a sampling pulse of variable width which is controlled to be wider during acquisition and narrower during steady- ...


8
Jon E Guthrie, Francis M Marble, Clyde D Ridgeway: Global equipment tracking system. Loral Aerospace, Kenneth W Float, Anthony W Karambelas, February 22, 1994: US05289372 (92 worldwide citation)

An equipment tracking system that provides for configuration management control over a plurality of pieces of equipment. The system includes a plurality of sets of sensors, a plurality of collectors, each individually coupled to a selected set of sensors, a concentrator coupled to the plurality of c ...


9
Ralph J Gagnon, Robert T Carson: High efficiency optical tank for three color liquid crystal light valve image projection with color selective prepolarization and single projection lens. Hughes Aircraft Company, William J Benman Jr, William J Bethurum, Anthony W Karambelas, January 10, 1984: US04425028 (78 worldwide citation)

A full color high contrast image projection system with oil coupled dichroics and a single projection lens is disclosed. The invention includes a unitary optical tank in which a prepolarizer and dichroic separators are mounted in fixed alignment relative to a main polarizing prism. The prepolarizer ...


10
Kuan M Lee, Ruey S Chu, Nam S Wong, James U Clark, Raymond Tang: Interleaved waveguide and dipole dual band array antenna. Hughes Aircraft Company, Howard R Lambert, Anthony W Karambelas, November 18, 1986: US04623894 (75 worldwide citation)

A dual band array antenna is disclosed having interleaved waveguide and dipole arrays, each operating in a different frequency band. The orientation of the waveguides and dipoles is such that polarization of the signals of the two frequency bands is perpendicular to each other, thus reducing mutual ...