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| Number | Title | Issue Date |
| 4977529 | Training simulator for a nuclear power plant A training simulator for the full-scope real-time dynamic operation of a nuclear power plant utilizes apparatus that includes control consoles having manual and automatic devices for operating simulated plant components and indicating devices for monitori... | 12/11/1990 |
| 4605833 | Lead bonding of integrated circuit chips A method and apparatus for bonding a plurality of metallic leads to pads of a chip where the force of a thermode, which is placed in contact with the chip is increased at a first rate to a maximum force less than required to effect the bonding over a time... | 08/12/1986 |
| 4560100 | Automated soldering process and apparatus An automated discreet soldering system for plated holes of a printed wiring board, having a free piston type crucible mode of graphitic material, which is propelled along a guided path by pressurized nitrogen. A laser beam is directed along a path substan... | 12/24/1985 |
| 4559638 | Charge transfer device having an improved read-out portion A charge coupled device that includes an output portion having a field effect transistor disposed in the potential well channel to provide a non-destructive read-out of the analog value of a charge packet located in the portion of such potential well chan... | 12/17/1985 |
| 4481423 | Assembly for optical communication between high and low voltage component housings An assembly for optical communication between a pressurized high-voltage component housing and a low-voltage component housing having respective abutting side walls.... | 11/06/1984 |
| 4450446 | Method and system for tracking targets in a pulse doppler radar system A medium to low PRF pulse doppler radar wherein the effect of the clutter notch filter is eliminated at times when the doppler frequency of the target approximates the doppler frequency of the clutter to continue tracking the target provided that the dopp... | 05/22/1984 |
| 4430642 | Digital-to-analog converter Apparatus for decreasing effect of transition of more significant bits in D/A converter reference of A/D converter. A pair of D/A converters are connected in tandem to eliminate transition of more significant bits of half scale. Also, three D/A converters... | 02/07/1984 |
| 4411719 | Apparatus and method for tape bonding and testing of integrated circuit chips A metallic lead frame strip, method of manufacturing same, a test tape, a method of testing together with the art work for same is disclosed. The method of manufacturing includes a method for producing art work that provides for accuracy in etching both s... | 10/25/1983 |
| 4402479 | Small tethered aerostat relocatable system A tethered aerostat mooring apparatus for launching, maintaining aloft, and docking an aerostat that is readily foldable for ease of transport, and mounted such that the entire structure rotates on one axis to permit weather vaning of a deployed aerostat,... | 09/06/1983 |
| 4396894 | Digital noise generating apparatus A digital noise generator, wherein pseudo-random rapidly changing analog input voltages to a voltage controlled oscillator are used to generate corresponding rapidly changing discrete frequency outputs, is disclosed. Means are provided to delay the oscill... | 08/02/1983 |
| 4377811 | Medium PRF pulse doppler radar having simplified ground moving target rejection capabilities In a single channel medium PRF pulse doppler radar receiver, the return signal data is processed to prevent sidelobe return signals from being displayed and rejects ground moving targets up to approximately 80 knots while having no high velocity blind spe... | 03/22/1983 |
| 4367913 | Inertially dampened heliostat assembly A two axis gimbal set for a pod mounted electro-optical system wherein the azimuth gimbal is supported by the elevation gimbal which in turn is supported between a pair of spaced supporting arms of a base by bearings, one of which has a circular opening t... | 01/11/1983 |
| 4359651 | Anti-blooming input structure for charge transfer device A charge transfer device having a transistor input signal divider is provided with blooming control electrode portions and blooming control drain regions to rapidly draw any excessive charge from the potential wells.... | 11/16/1982 |
| 4353067 | Method of reducing side lobes of complementary coded pulses in a coherent pulse compression doppler radar receiving system A method of processing doppler signal data to provide time and frequency (therefore phase) coincidence for complementary code pairs of a coherent, pulse compression radar using a weighting of every other echo pulse of a particular range cell to guarantee ... | 10/05/1982 |
| 4338605 | Antenna array with adaptive sidelobe cancellation A beam space adaptive array antenna system utilizing a two-stage Butler matrix configuration is disclosed. The individual elements of one subarray are input to the respective ports of a first-stage Butler matrix and the remaining summed subarray elements ... | 07/06/1982 |
| 4335469 | Method and system for radiating RF power from a trailing wire antenna A trailing wire antenna coupling and control method for providing maximum voltage limited power output from power amplifiers of a high power low frequency RF transmitter system while varying the inductance of the coupling circuit to present a high resista... | 06/15/1982 |
| 4331830 | Housing for electrical components A heat dissipating container for electrical components immersed in a liquid dielectric in one chamber and for electrical components surrounded by an air dielectric in another chamber. A flexible bladder serves as a common wall with the liquid dielectric c... | 05/25/1982 |
| 4328497 | Method and system for jamming analysis and transmission selection A jamming analysis and transmission selection system for a radar wherein the frequencies present in the environment are sampled during a discrete time interval following each radar transmission; and utilizes a surface acoustic wave device having a plurali... | 05/04/1982 |
| 4319249 | Method and antenna for improved sidelobe performance in dipole arrays The existence and method of suppression of spurious post mode to improve sidelobe performance of an array of dipole antenna elements together with examples of geometric configuration for suppression of such post mode is described.... | 03/09/1982 |
| 4319196 | Temperature compensated wide dynamic range linear envelope detector An amplitude modulation detection apparatus that includes an envelope detector portion having a pair of diode rectifiers electrically connected at their cathodes which common cathode connection is connected through a series resistor to the input of a low-... | 03/09/1982 |
| 4308339 | Method for manufacturing tape including lead frames A metallic lead frame strip, method of manufacturing same, a test tape, a method of testing together with the art work for same is disclosed. The method of manufacturing includes a method for producing art work that provides for accuracy in etching both s... | 12/29/1981 |
| 4304381 | Aimable mounting apparatus A disc-shaped member-to-be-aimed is mounted for tilting about two mutually perpendicular tilt axes rotatable about a third and mutually perpendicular boresight axis that affords a conical field of view for the member in the presence of any asymmetry in it... | 12/08/1981 |
| 4291387 | Analog to digital conversion weighting apparatus A bucket brigade A/D weighting function multiplier which provides a simultaneous A/D conversion and multiplication by a weighting function in a continuous pipe line fashion, is disclosed. Each converted bit from the A/D converter is utilized by the multip... | 09/22/1981 |
| 4280127 | Range swath coverage method for synthetic aperture radar A synthetic aperture radar antenna, which is mechanically scanned through the squint mode, is operated to a selected roll angle to optimize the alignment of the antenna beam axis or isogain line, and the line of constant doppler frequency or isodop line. ... | 07/21/1981 |
| 4272770 | Reflector antennae apparatus for limiting aperture blockage A reflector antennae assembly for reducing aperture blockage that includes an etched printed circuit board mounted on the sidewalls of a blocking structure. The board has spaced conductive squares or circles on one plane surface that is parallel to the di... | 06/09/1981 |
| 4272692 | Power supply distribution system A plurality of modules, each adapted to generate repetitive RF pulses are connected to a common coarse DC power supply. Each of the modules, which include a pulsed load, has a switching transistor connected in series with the load, and a precise voltage c... | 06/09/1981 |
| 4270055 | System and method for transferring the operation of a turbine-power plant between single and sequential modes of turbine valve operation A system and method of operating a turbine power plant utilizing a digital computer to transfer automatically between a single valve mode and sequential valve mode of operation and vice versa without disturbing the load or steam flow demand to the turbine... | 05/26/1981 |
| 4247788 | Charge transfer device with transistor input signal divider A charge coupled device that includes an input portion having an injection transistor and one or more partitioning transistors disposed in the potential well channel. The bases of the transistors are common. The collector of the injection transistor is co... | 01/27/1981 |
| 4210911 | Method for decreasing minimum observable velocity of moving targets An airborne radar system and method for detecting and tracking slowly moving ground targets off the boresight of the antenna beam, is disclosed.... | 07/01/1980 |
| 4204175 | Slab laser assembly The beampath of input radiation in alignment with the longitudinal axis of symmetry of a rectangular parallelepiped laser slab is divided and criss-crossed by a Brewster angle input prism member into two criss-crossing beam path portions fed into the slab... | 05/20/1980 |
| 4201924 | Combined cycle electric power plant with a steam turbine having a sliding pressure main bypass and control valve system A combined cycle electric power plant includes two gas turbines, a steam turbine, and a digital control system with an operator analog or manual backup. Each of the gas turbines has an exhaust heat recovery steam generator connected to a common header fro... | 05/06/1980 |
| 4193128 | High-density memory with non-volatile storage array A memory sub-array having a single volatile memory cell and an array of nonvolatile memory cells. The volatile memory cell includes a static flip-flop circuit and each memory cell of the nonvolatile memory cell array includes a pair of nonvolatile memory ... | 03/11/1980 |
| 4187508 | Reflector antenna with plural feeds at focal zone An antenna assembly with a curved reflector and feed means at one side of the focal axis of such reflector. The feed means includes a number of relatively-fixed-position feed elements spaced apart unequally to obtain signals of different phase at the refl... | 02/05/1980 |
| 4179696 | Kalman estimator tracking system A radar tracking system having a Kalman estimator is disclosed. The estimator is provided with angle and range track error measurements in a coordinate system that is aligned with and normal to the antenna line of sight, commonly referred to as the LOS co... | 12/18/1979 |
| 4161038 | Complementary metal-ferroelectric semiconductor transistor structure and a matrix of such transistor structure for performing a comparison A complementary metal-ferroelectric-semiconductor transistor structure (MFST) in which an n-channel MFST is electrically coupled to a p-channel MFST in complementary fashion with the source of the n-channel MFST connected to the drain of the p-channel MFS... | 07/10/1979 |
| 4156924 | CMOS Analog multiplier for CCD signal processing An analog multiplier for multiplying the signals derived from a charge coupled device (CCD) tap includes a balanced multiplier of a first conductivity-type and a buffer of a second conductivity-type coupled between the CCD tap and the balanced multiplier.... | 05/29/1979 |
| 4156923 | Method and apparatus for performing matrix multiplication or analog signal correlation A method and apparatus for multiplying a plurality of samples of first and second analog signals and summing the products there obtained. In stages of a first charge coupled device (CCD), charge packets corresponding to samples of the first analog signal ... | 05/29/1979 |
| 4153224 | Laser command guidance system A guidance system is provided for flight vehicles which establishes a reference direction in space by means of two pulsed laser beams. The desired direction is remotely determined and an optical tracker on the flight vehicle is then gated ON by a first pu... | 05/08/1979 |
| 4153899 | MTI radar system and method An MTI radar system having a four pulse canceller where the interpulse periods vary preferably according to a double or triple sawtooth pattern is disclosed. The four pulse canceller is comprised of a two pulse canceller cascaded with a three pulse cancel... | 05/08/1979 |
| 4152700 | Radar extractor having means for estimating target location with a range cell A target extractor for radar systems which accurately determines the radial position of the target within the range cell containing the target. The azimuth of the target is determined by conventional extractor systems. An incremental target range is locat... | 05/01/1979 |
