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| Number | Title | Issue Date |
| 5349606 | Apparatus for multipath DSSS communications Circuit for recovery of a plurality of multipath direct sequence spread spectrum signal components received over a time span, wherein the multipath signal components are components of a signal generated from digital data comprised of data bits at a data b... | 09/20/1994 |
| 5345200 | Coupling network A coupling network for coupling a signal at a frequency from a voltage source to a load. The voltage source has a source resistance. The load has a load resistance and a load reactance. The ratio of the load reactance to the load resistance greater than 1... | 09/06/1994 |
| 5343495 | Method of multipath dsss communications Method of demodulating a signal including a plurality of time-dispersed signal components such as resulting from receiving in a multipath environment. A plurality of correlators are provided. The period of expected time uncertainty is scanned to identify ... | 08/30/1994 |
| 5317603 | Isochronous interface apparatus Isochronous interface apparatus for transferring data from a source over a clocked channel to a destination. A channel input interface is interposed between the source and the channel. The channel input interface includes a data compressor adapted to comp... | 05/31/1994 |
| 5317604 | Isochronous interface method Method of transferring isochronous data from a source over a clocked channel to a sink. The data is compressed by a compression ratio responsive to a depth of a first variable stack. The compressed data is stored in the first stack and clocked by the chan... | 05/31/1994 |
| 5315615 | DSSS communications correlation Method of processing a direct sequence spread spectrum communication system signal wherein digital data comprised of data bits is modulated by a first pseudo-noise code comprised of a sequence of chips, the pseudo-noise chip rate greater than said date bi... | 05/24/1994 |
| 5315616 | Correlator for DSSS communications A correlator for processing a direct sequence spread spectrum communication system signal, wherein digital data comprised of data bits at a data bit rate is modulated by a first pseudo-noise code comprised of a sequence of chips having a pseudo-noise chip... | 05/24/1994 |
| 5313490 | Acquisition apparatus for DSSS communications Apparatus for indicating the end of an acquisition procedure between a transmitter and receiver in a direct sequence spread spectrum communications system. A transmitter generates a first acquisition code having a first acquisition code period and compris... | 05/17/1994 |
| 5313491 | Acquisition method for DSSS communications Method for indicating the end of an acquisition procedure between a transmitter and receiver in a direct sequence spread spectrum communications system. At a transmitter, a first acquisition code having a first acquisition code period and comprised of dig... | 05/17/1994 |
| 5291517 | Carrier freuency corrector for a DSSS communication system A carrier frequency corrector for a receiver for use in a direct sequence code division multiple access communication system having a carrier frequency consisting of an expected carrier frequency and a carrier frequency error, modulated by a pseudo-noise ... | 03/01/1994 |
| 5237541 | Platform carried bistatic sonar A platform borne sonar system for the detection of targets includes a transmitting projector suspended beneath the water surface from a platform for generating a virtual parametric acoustic array in a water column, forming a beam of acoustic energy. The b... | 08/17/1993 |
| 5235558 | Choke point bistatic sonar A sonar system for use in a water body includes a projector on the bottom of a water body for generating and transmitting a direct beam of acoustic energy. A receiving array is immersed in the water body outside the direct beam for detecting reflections f... | 08/10/1993 |
| 5218639 | Method and apparatus for changing bit rate of digitized analog Method and apparatus for changing the bit rate of a digitized analog signal stream from a first bit rate to a second bit rate. A first sequence generator provides a digital predictor sequence clocked at the first bit rate. A combiner has an output providi... | 06/08/1993 |
| 5160357 | Container for electronic equipment A container providing environmental protection to electronic equipment includes a four sided frame, a front cover, and a rear cover. An exhaust fan is mounted on the rear cover and an air filter is mounted on said front cover to allow air to flow through ... | 11/03/1992 |
| 5103431 | Apparatus for detecting sonar signals embedded in noise Apparatus for detecting sonar signals embedded in noise includes a neural network trained to detect signals in response to the slope of amplitude rank ordered noise corrected powers. A detector detects an analog waveform. Means samples and digitizes the a... | 04/07/1992 |
| 5087158 | Drilling jig for holding drilling debris A drilling jig for holding cutting chips and other debris has two separable sections. A cylindrical body has one closed end and one open end. A circular cap is adapted to fit in or over the open end of the cylindrical body. Aligned axial holes are provide... | 02/11/1992 |
| 5065165 | Microwave transition A transition includes a sheet of dielectric material having two parallel surfaces. A tapered recess in one surface converges towards the other surface with the axis of the recess orthogonal to said surface. The dielectric material has a critical angle of ... | 11/12/1991 |
| 5005022 | Microwave antenna An antenna includes a sheet of dielectric material having two parallel surfaces. A tapered recess in one surface converges towards the other surface with the axis of the recess orthogonal to said surface. The dielectric material has a critical angle of re... | 04/02/1991 |
| 4912649 | Accelerating learning in neural networks A method of accelerating the training of an artificial neural network uses a computer configured as an artificial neural network with a network input and a network output, and having a plurality of interconnected units arranged in layers including an inpu... | 03/27/1990 |
| 4791377 | Direct frequency synthesizer A frequency synthesizer has in series a digital synthesizer, mix and divide circuits, and a mix only circuit. Each mix and divide circuit includes a mixer having an IF input, a LO input and a RF output, a filter, and a frequency divider. A segment of a di... | 12/13/1988 |
| 4789895 | System for synchronizing digital bit stream for telecommunication system A telecommunication system for synchronizing a digital bit stream sent from a central facility to a terminal on lines of television frames. Each active line starts with a horizontal sync pulse and a color burst. A first data clock at the central facility ... | 12/06/1988 |
| 4785379 | Printed circuit module retainer A printed circuit module retainer has two linear guides which are channeled to accept edges of printed circuit module. A serpentine spring transverses each channel to retain an inserted module.... | 11/15/1988 |
| 4780757 | Telecommunication system with frame selected continuous audio signals A telecommunication system has a facility and an addressable terminal coupled through a transmission medium. The facility includes means for providing addressed video frames containing information corresponding to still images and for providing addressed ... | 10/25/1988 |
| 4780758 | Telecommunication system with burst and continuous audio signals A telecommunication system for transmitting video and plural audio information on a transmission medium includes a facility and an addressable terminal. The facility includes arrangements for providing addressed video frames containing information corresp... | 10/25/1988 |
| 4771159 | Method of soldering leadless component carriers or the like A method of soldering leadless component carriers or the like to printed circuit boards uses a solder paste containing copper spheres in addition to particulate solder and flux. The solder is melted and the copper spheres are embedded in the resulting sol... | 09/13/1988 |
| 4765798 | Method of adding electrolyte to electrochemical cells A liquid electrolyte solution is added to porous components of an electrochemical cell prior to assembly. The electrolyte solution is frozen and all the components are assembled into a sealed cell. The electrolyte solution is then allowed to melt.... | 08/23/1988 |
| 4731130 | Soldering composition A solder paste contains solder plated copper spheres in addition to particulate solder and flux. The paste can be used to solder leadless component carriers or the like to printed circuit boards., After melting the solder, the copper spheres are embedded ... | 03/15/1988 |
| 4731305 | Cylindrical bipolar electrode battery A battery has first and second polarity circular electrodes within a circular housing. At least one bipolar electrode is interposed between the first and second polarity circular electrodes. Porous separators are located between electrodes. The cell also ... | 03/15/1988 |
| 4731308 | Battery component A mechanical component for electrochemical batteries having porous members. A disc has two or more circular grooves in one side. The grooves are intended to accept the porous members and an electrode member of the battery. The opposite side of the disc ha... | 03/15/1988 |
| 4727595 | Local oscillator feed for mixer array Local oscillator power is supplied to an array of single-ended microwave mixers by an offset horn. Each mixer has an integral antenna element.... | 02/23/1988 |
| 4713523 | Fiber optic connector epoxy curing apparatus An apparatus for heat curing epoxy banded fiber optic connectors includes a housing containing a heater control circuit and an electronic thermometer. An L-shaped jig is attached to a surface of the housing with an interposing insulator. A heating element... | 12/15/1987 |
| 4689108 | Apparatus for assembling electrochemical batteries and similar articles A press is arranged to compress a workpiece between two turntables. One of the turntables is adapted to be rotated which, in turn, rotates the workpiece and the other turntable, a heating element is provided to seal seams on the workpiece.... | 08/25/1987 |
| 4687243 | Apparatus for holding workpiece Two pairs of mechanical fingers are independently remotely controlled by a single handle. The handle is coupled to activating mechanisms via cables. The apparatus is particularly suited for grasping small workpieces such as components on a circuit board.... | 08/18/1987 |
| 4684587 | Electrochemical cell with disc activator A reserve cell has a cylindrical housing with a closed end. A cylindrical battery stack is located within the housing, surrounding a cell component container and separated from the closed end by a channeled ring. A disc is located with the ring for transm... | 08/04/1987 |
| 4684588 | Electrochemical cell with container support A reserve cell has cylindrical electrodes surrounding a cell component container, all in a cylindrical housing. A shim has a circular groove accepting one end of an electrode and a socket holding one end of the container. The outer edge of the shim abuts ... | 08/04/1987 |
| 4684586 | Electrochemical cell with interlocking anode An electrochemical reserve cell includes a cylindrical housing a concentric arrangement of a liquid cell component container, a metal anode, a porous separator, and a porous carbon element. The metal anode is cylindrical with a spiral slot extending betwe... | 08/04/1987 |
| 4672011 | Electrochemical cell having coupling members with radial channels A electrochemical cell has a generally cylindrical battery stack comprised of disc-shaped components including atlernating first polarity electrodes and second polarity electrodes. Pairs of first polarity electrodes are coupled by ring-shaped couling memb... | 06/09/1987 |
| 4668592 | Electrochemical cell having porous metal coupling members An electrochemical cell has a generally cylindrical battery stack comprised of disc-shaped components including alternating first polarity electrodes and second polarity electrodes. Adjacent first polarity electrodes are coupled by ring-shaped coupling me... | 05/26/1987 |
| 4603165 | Material suitable for thermal protection of electrochemical cells and other articles A material is provided which has a positive thermal coefficient of resistance. The material is made of nickel particles sintered in a plastic matrix. The material is suitable in internal elements of electrochemical cells.... | 07/29/1986 |
| 4596753 | Spin released reservoir for electrochemical cells and like articles A reserve type electrochemical cell has its liquid cell component left separate in a rupturable envelope separate from the battery stack. The envelope is located within a sleeve in a well at the center of the battery stack. Piercing means are arranged in ... | 06/24/1986 |
