Electro-optic palm scanner system employing a non-planar platen
The present invention is directed to an electro-optic imaging system for obtaining prints of the palm and heel of an individual's hand. The system includes a platen having an upper contact surface inc... Read More
Inventors: Maase, Daniel F.; Sartor, Thomas F.;, Assignee: Idnetix Incorporated (Sunnyvale, CA) |
Passive optical proximity fuze
OF THE INVENTION FIG. 1 shows the geometry of the invention which enables it to be used to determine the slant range of ballistic vehicles to projected impact point 6 on the ground. Vehicle 2 is fall... Read More
Inventors: Bagwell, Bryan G.; Gemmell, Frank S.;, Assignee: Motorola, Inc. (Schaumburg, IL) |
Fuse for projectiles
The object of the invention is to construct a fuse for a rotating projectile having directive explosive force, in which the rotation in combination with the directive explosive force is utilized for a... Read More
Inventors: Thordarson, Gunnar G.; Bido , Sven O.;, Assignee: U.S. Philips Corporation (New York, NY) |
Rosette scanning surveillance sensor
The present invention avoids or overcomes these and other deficiencies, drawbacks or problems of conventional mechanisms by utilizing a pair of rotating gimbals which independently nutate and precess ... Read More
Inventors: Byren, Robert W.;, Assignee: Hughes Aircraft Company (Los Angeles, CA) |
Device and method for monitoring the presence of an object in space
We claim: 1. A device for detecting the presence of an object in space, comprising: a solid, optically transparent cylinder having a top and a base, said cylinder further having a cavity at said base,... Read More
Inventors: Miller, Jr., Walter E.; Mitchell, Robert R.; Lovelace, Donald E.;, Assignee: The United States of America as represented by the Secretary of the Army (Washington, DC) |
Horizon sensor for satellites using superconductor(s) having a high critical temperature
OF THE DRAWINGS In the drawings, wherein like reference characters denote similar elements throughout the several views: FIG. 1 illustrates a general block diagram of the horizon sensor of the instan... Read More
Inventors: Sparvieri, Nicola; Graziani, Filippo;, Assignee: Selenia Industrie Elettroniche Associate S.p.A. (Rome, IT) |
Sensor device for a missile
The object of the present invention is to provide a sensor device of the kind set forth in the opening part of this specification, in which the level of structural expenditure is relatively low so tha... Read More
Inventors: Strauss, Werner;, Assignee: Diehl GmbH & Co. (Nurnberg, DE) |
Remote targeting system for guided missiles
What is claimed is: 1. In a remote target system for guided missiles, the combination comprising: (a) a radar located at a remote station for detecting and tracking a target, (b) a self-propelled guid... Read More
Inventors: Alpers, Frederick C.;, Assignee: The United States of America as represented by the Secretary of the Navy (Washington, DC) |
Detached and attached thermal spoilers for kinetic energy projectile fins
As in the prior art, a kinetic energy projectile intended to be launched toward a selected target has a projectile body and a plurality of main fins attached to the projectile body to provide stabilit... Read More
Inventors: Mikhail, Ameer G.;, Assignee: The United States of America as represented by the Secretary of the Army (Washington, DC) |
Image sensor and facsimile apparatus incorporating the same
Accordingly, it is an object of the present invention to eliminate the above-described problems in the related art and to provide an image sensor which facilitates the adjustment of the focus of an op... Read More
Inventors: Imamura, Masaya;, Assignee: Rohm Co., Ltd. (Kyoto, JP) |
Image sensor and facsimile apparatus incorporating the same
Accordingly, it is an object of the present invention to eliminate the above-described problems of the prior art and to provide an image sensor which prevents the light receiving device from deviating... Read More
Inventors: Imamura, Masaya;, Assignee: Rhom Co., Ltd. (Kyoto, JP) |
Concentric broadband power combiner or divider
The present invention employs the principles of the above-mentioned linear multi-section network combiner but improves the basic design thereof by folding various sections of the transmission line com... Read More
Inventors: Covington, Jr., Martin Bryan;, Assignee: The Bendix Corporation (Southfield, MI) |
Large scale low-loss combiner and divider
Referring now to FIG. 1A, one of the two parallel plates producing the radial waveguide of the device, namely 12, illustrated in FIG. 1B has been removed. The structure of FIG. 1A shown generally at ... Read More
Inventors: Nemit, Jeffrey T.;, Assignee: International Telephone and Telegraph Corporation (New York, NY) |
Steered-beam satellite communication system
The present invention provides a system for communicating via satellite between ground stations. The system comprises a set of ground stations spaced apart along an arc of the earth's surface and a sa... Read More
Inventors: Rosen, Harold A.;, Assignee: Hughes Aircraft Company (Los Angeles, CA) |
Compact signal isolating microwave splitters/combiners
OF EMBODIMENT Referring now to FIGS. 1-6, the reference numeral 20 designates a microwave assemblage of which the structure is functionally suitable for use as either a six-way splitter or six-way co... Read More
Inventors: Myer, Robert E.;, Assignee: AT&T Bell Laboratories (Murray Hill, NJ) |
Testing transmitter-receiver apparatus for sector cell base station
It is an object of the present invention to provide a reliable testing transmitter-receiver apparatus for a sector cell base station wherein a testing antenna is incorporated in a reflector box of the... Read More
Inventors: Iwashita, Masakazu; Kojima, Osamu;, Assignee: NEC Corporation (Tokyo, JP) |
Radio test loop having common combiner cable connecting transmitters, spaced at n.lambda./2 therealong, with receivers, via frequency converter
OF A PREFERRED EMBODIMENT The radio unit shown in the figure comprises several radio transmitters 10-1, 10-2, . . . , 10-N and several radio receivers 20-1, 20-2, . . . , 20-N. For the sake of clarit... Read More
Inventors: Siira, Anne-Marie; Sarkka, Veli-Matti; Huovinen, Timo;, Assignee: Nokia Telecommunications Oy (Espoo, FI) |
Method of equalizing a receive data block in a time-division multiple access communication system and receiver utilizing this method
An object of the invention is to remedy these drawbacks by proposing a method for equalizing a receive data block, in a time-division multiple access system, which offers greater flexibility and effic... Read More
Inventors: Mourot, Christophe; Kumar, Vinod; Wautier, Armelle; Dany, Jean-Claude;, Assignee: Alcatel N.V. (Amsterdam, NL) |
Method of intra-cell and inter-cell handover in a mobile communications system
According to the present invention there is provided a method for use in a cellular mobile communications system for performing handover, from a first base station to a second base station, of a call ... Read More
Inventors: Booth, Andrew J.;, Assignee: Northern Telecom Limited (Montreal, CA) |
Transceiver algorithms of antenna arrays
OF THE DISCLOSURE The invention is primarily intended for use in base stations for digital cellular systems, for example, GSM, ADC, and PDC base stations, although it will be understood by those skil... Read More
Inventors: Forssen, Ulf; Gudmundson, Bjorn;, Assignee: Telefonaktiebolaget LM Ericsson (Stockholm, SE) |
Simultaneous demodulation and decoding of a digitally modulated radio signal using known symbols
Referring to FIG. 1, a number of coded symbols to be conveyed to a receiver are marked "U" for unknown and interleaved with a number of known symbols marked "K". The symbols are shown distributed bet... Read More
Inventors: Dent, Paul W.;, Assignee: Ericsson Inc. (Research Triangle Park, NC) |
Direct sequence spread spectrum receiver and antenna array for the simultaneous formation of a beam on a signal source and a null on an interfering jammer
OF THE PREFERRED EMBODIMENT A navigation satellite receiver system embodiment of the present invention, referred to herein by general reference numeral 10, is illustrated in FIG. 1. System 10 compris... Read More
Inventors: Johnson, Russell K.;, Assignee: Radix Technologies, Inc. (Mountain View, CA) |
Adaptive channel allocation in a frequency division multiplexed system
The present invention provides a method and system of adaptive channel allocation (ACA) in an orthogonal frequency division multiplexed (OFDM) system. The method and system provides an allocation of s... Read More
Inventors: Frodigh, Carl Magnus; Gudmundson, Perols Leif Mikael;, Assignee: Telefonaktiebolaget L M Ericsson publ. (Stockholm, SE) |
Network utilizing modified preambles that support antenna diversity
These and other objects of the invention are achieved in a method for use in a communication network having a transmitter and a receiver. The receiver has a plurality of antennas, and the transmitter ... Read More
Inventors: Mahany, Ronald L.;, Assignee: Norand Corporation (Cedar Rapids, IA) |
Methods for channel estimation and signal detection of CDMA signals
The present invention is directed to a method for identifying the signature waveforms in CDMA communications based solely on the system outputs. One of its major applications is in the field of mobile... Read More
Inventors: Liu, Hui; Xu, Guanghan;, Assignee: Cwill Telecommunications, Inc. (Austin, TX) |
Frequency-shifted feedback cavity used as a phased array antenna controller and carrier interference multiple access spread-spectrum transmitter
Therefore it is the principle object of the present invention to provide a novel and improved method and apparatus for the generation of excitation signals across an antenna array to control a directi... Read More
Inventors: Shattil, Steve J.;, Assignee: |
Smart antenna channel simulator and test system
The essence of the present invention is a method and an apparatus to verify the integrity of a smart antenna system by simulating actual wireless reception conditions of multiple sensor arrays and ver... Read More
Inventors: Robbins, David F.; Amin, Moeness;, Assignee: Micronetics Wireless, Inc. (Hudson, NH) |
Synchronous wireless access protocol method and apparatus
We claim: 1. In a communication system having a plurality of frames for communication from a plurality of remote terminals to a base station on a common carrier having a plurality of concurrent code c... Read More
Inventors: Xu, Guanghan; Gu, Yucong; Chen, Wei; Chen, Ying; Wang, Peiwei; Li, Shihe;, Assignee: Cwill Telecommunication, Inc. (Austin, TX) |
Method and apparatus for enhancing communication reception at a wireless communication terminal
The present invention enhances wireless communication reception at a wireless communication terminal without the need for providing multiple receiver antennae. In accordance with an embodiment of the ... Read More
Inventors: Greenstein, Lawrence Joel; Sollenberger, Nelson Ray;, Assignee: AT&T Corp (New York, NY) |
Dual-mode communication system and voice signal processing method of the same
It is therefore an object of the present invention to provide a dual-mode communication system having a digital signal processor for performing an analog communication as well as a digital communicati... Read More
Inventors: Lee, Sang-Min;, Assignee: Samsung Electronics Co., Ltd. (KR) |
Telecommunications 
