"What can be more palpably absurd than the prospect held out of locomotives traveling twice as fast as stagecoaches?"
The Quarterly Review ; March edition, 1825
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| Number | Title | Issue Date |
| 5369408 | Self-mixing expendable This invention is directed to an expendable which includes an electronic circuit for introducing a simulated Doppler frequency shift. When dropped from an aircraft, the expendable is used to confuse hostile radar operations. In the past, the approach has ... | 11/29/1994 |
| 5301347 | Multi-system laser safety shutter controller The controller is microprocessor based, and provides an interface between laboratory entrances and accompanying safety shutters to block the laser beam during a laboratory breach. The shutter controller comprises a microcomputer operating in a two data bu... | 04/05/1994 |
| 5277693 | Flight activated anti-G valve (FAAGV) A conventional mass-spring inertially controlled anti-G suit valve is modified by adding a first electrically actuated solenoid over the mass and valve spindle and a second electrically actuated solenoid over an anti-G suit exhaust port added to the modif... | 01/11/1994 |
| 5255608 | Real-time identification of a medium for a high-speed penetrator Intelligent hard-target weapons provide a real-time estimation of a medium as the weapon is penetrating through it. Input signals are provided by an accelerometer used as a primary sensor. On-line concurrent processing of the data of a specific length fac... | 10/26/1993 |
| 5246729 | Method of coating superconductors with inorganic insulation The composite insulation coating consists of a mixture of glass and ceramic oxide(s), coated onto a wire by conventional wire enameling techniques followed by heat treatment at 600°-850° C. The enamel when initially applied, the "green" coat slurry, con... | 09/21/1993 |
| 5218431 | Raster image lossless compression and decompression with dynamic color lookup and two dimensional area encoding A computer program is used to compress color graphics animation sequences for local storage and transmission to remotely networked sites in a significantly reduced size It allows playback of these animations on a wide variety of workstations ranging from ... | 06/08/1993 |
| 5212013 | Inorganic wire insulation for super-conducting wire The need for high current, high field, low loss, stable superconductors has led to the development of multifilamentary Nb3 Sn as the most promising candidate for use in superconducting machines. However, the brittle nature of Nb3 Sn ... | 05/18/1993 |
| 5206944 | High speed analog to digital converter board for an IBM PC/AT A digitizer, which comprises integrated circuit cards designed to attach to an expansion slot in an IBM PC/AT, operates at 20 megasamples per second for approximately 52 milliseconds and provides eight bit resolution on the signal input. The computer soft... | 04/27/1993 |
| 5204983 | Dual conversion reflex receiver Both the low and high intermediate frequencies (IF) are amplified simultaneously in a single IF amplifier strip. For proper operation it is required that the two IFs be sufficiently isolated from each other so that independent tuning can be achieved. In o... | 04/20/1993 |
| 5201035 | Dynamic algorithm selection for volume rendering, isocontour and body extraction within a multiple-instruction, multiple-data multiprocessor This is a methodology which reduces the time required to render a volume with extracted isocontours and inserted cutting plane and perform an arbitrary rotation within a three-dimensional volume. The volume is first partitioned among the processors of a m... | 04/06/1993 |
| 5198748 | Frequency measurement receiver with bandwidth improvement through synchronized phase shifted sampling A technique covered by patent applicaton S.N. 07/672,309 divides power of an input signal to two A/D converters. A processor receives the outputs of the two A/D converters. The input signal is subjected to a known delay ͌ for one of the converters, and b... | 03/30/1993 |
| 5192698 | Making staggered complementary heterostructure FET It is desirable to implement complementary field effect transistors in group III/group V compound semiconductors, especially on InP substrates. Outstanding n-channel performance has been demonstrated in InGaAs channel devices on InP substrates. Preliminar... | 03/09/1993 |
| 5189606 | Totally integrated construction cost estimating, analysis, and reporting system CCMAS is an integrated construction cost generator which may be used to develop costs for construction projects; to analyze and estimate facilities associated with major weapons programs; for administrative, medical and support facilities as well as runwa... | 02/23/1993 |
| 5187788 | Graphics system for automatic computer code generation The Avionics Program Expert (APEX) is an automatic code generation tool for the Ada programming language (MIL-STD 1815A). It provides the programmer using APEX with the ability to quickly create a graphical representation of his initial program design. Th... | 02/16/1993 |
| 5187485 | Passive ranging through global positioning system To passively measure the range to a target, GPS signals which are scattered by the target are used to determine the distance from the target to an observation station whose position Po is determined by a GPS technique. If the delay time from th... | 02/16/1993 |
| 5184138 | Data distribution network The data distribution network (DDN) improves processing throughputs (eight million bytes per second) whenever high data rates of unsorted data are input to a processing system by combining synethetic (hash) addresses with look-up tables. The DDN includes ... | 02/02/1993 |
| 5162965 | Anti crow bar current interrupter for microwave tube transmitters A high-speed high-voltage FET current interrupter which opens the cathode circuit of microwave tubes when internal tube arcing occurs. By removing the detrimental fault current which causes degradation to the microwave tube body and grid, the longevity of... | 11/10/1992 |
| 5155493 | Tape type microstrip patch antenna Single or multiple players of electrically insulating tape have adhesive applied to one surface for the dielectric of the patch antenna. Electrically conductive foil tape with adhesive applied to one surface is used to create the radiating element and the... | 10/13/1992 |
| 5154637 | High current cable termination for pulsed power applications The terminations provide a means for connecting coaxial power cables carrying tens to hundreds of kiloamperes of pulsed current to electrical devices without producing arcing or melting during operation; and also provide mechanical support at cable ends w... | 10/13/1992 |
| 5142861 | Nonlinear electromagnetic propulsion system and method An electromagnetic propulsion system based on an extremely low frequency (elf) radiating antenna structure driven by a matched high current pulsed power supply is described. The elf antenna structure resembles a modified three dimensional multiple-turn lo... | 09/01/1992 |
| 5130882 | Multilayer circuit board transient protection device The device comprises a grommet like tube used in plated through holes in circuit boards. The MCBTPD puts a toroidal shaped non-linear terminal protection device (TPD) such as a surgector or diode between the circuit land and the ground plane. The MCBTPD p... | 07/14/1992 |
| 5122730 | Voltage divider for a wide band domino effect high voltage regulator The high voltage regulator employs a field effect transistor (FET) amplifier and a shielded wide band frequency compensated RC voltage divider. The device comprises a FET amplifier used as a current source in a 20 KV power supply. The negative output of t... | 06/16/1992 |
| 5109188 | Instantaneous frequency measurement receiver with bandwidth improvement through phase shifted sampling of real signals This is a technique for extending the frequency range which employs a power divider having two outputs, one output being supplied to a first A/D converter, and the other output being supplied via a delay device to a second A/D converter. A processor recei... | 04/28/1992 |
| 5101656 | Method and apparatus for oxygen concentration analysis The oxygen concentration of a gas mixture primarily of oxygen, nitrogen, and argon is determined by measurement of the shell side flow through a hollow fiber permeable membrane module having a tube side and a shell side. A sample of the gas at a low press... | 04/07/1992 |
| 5102218 | Target-aerosol discrimination by means of digital signal processing For all-weather active optical proximity sensors, the technique extracts a proper target signal from the mixture of target and aerosol returns. A waveform extraction method and a spectral extraction technique are used. The waveform extraction method exami... | 04/07/1992 |
| 5101209 | Jam strobe resolution using a monopulse antenna In a surveillance radar, a process is disclosed which can determine the angular positions of multiple jammers with the use of a monopulse agile beam antenna. It involves collecting and processing jammer data received via a monopulse antenna, in order to d... | 03/31/1992 |
| 5099243 | Digital frequency measurement receiver with bandwidth improvement through multiple sampling of complex signals This is a technique for extending the frequency range which employs in-phase and quadrature components of the signal coupled with non-uniform sampling to gain the advantages of a high sampling rate with only a small increase in the number of samples. By s... | 03/24/1992 |
| 5089929 | Retrofit integrated circuit terminal protection device The RICTPD device is designed to protect integrated circuits with external leads on the sides of the case from electrical transients caused by lightning, switching inductive loads such as electrical motors, or other sources. The RICTPD is usually used whe... | 02/18/1992 |
| 5070538 | Wide band domino effect high voltage regulator The high voltage regulator employs a field effect transistor (FET) amplifier and a wide band frequency compensated RC voltage divider. The device comprises a FET amplifier used as a current source in a 20 KV power supply. The negative output of the supply... | 12/03/1991 |
| 5045801 | Metastable tolerant asynchronous interface The interface circuit passes data from a first unit running at one clock rate to a second unit running at another clock rate. READY leads from an In control circuuit to an Out control circuit are used to signal when a data word has been loaded by the firs... | 09/03/1991 |
| 5032525 | Qualitative process automation for autoclave cure of composite parts An automated, close-loop system for controlling the autoclave cure of fiber reinforced composites uses multiple expert systems hosted on different microprocessors running concurrently to control the cure process. This qualitative process controller uses s... | 07/16/1991 |
| 5031192 | Synthetic demodulation of spread spectrum signals This is a spread spectrum radio frequency (RF) communication system whose rpose is to "spread" the information bandwidth such that when it is de-spread any atmospheric interference (including jamming is spread rather than de-spread. A "low probability of ... | 07/09/1991 |
| 5023847 | Boom event analyzer recorder An analyzer recorder collects sonic boom information of supersonic aircraft and launch vehicles, for use to validate Environmental Impact Statements that contain supersonic aircraft activity. The device comprises a 16-bit microprocessor, a random access m... | 06/11/1991 |
| 5022046 | Narrowband/wideband packet data communication system The best features of narrowband and wideband signaling are merged to provide a simple and reliable multiple-access network. This is done by transmitting the header of the packet using narrowband signaling coupled with an associated channel access protocol... | 06/04/1991 |
| 5021789 | Real-time high resolution autofocus system in digital radar signal processors This autofocus is a system for improving the image quality of an airborne Synthetic Aperture Radar (SAR), that is mechanized in the high-speed digital signal processors with some control capability from the operating console to perform on-line focusing, t... | 06/04/1991 |
| 5008770 | Filter pin integrated circuit socket kit This is a device for electromagnetic transient protection for integrated circuit boards in a convenient and easily customized package. The device comprises an array of transient protection devices (TPDs) made in the form of sleeves on hollow pins and inst... | 04/16/1991 |
| 4981354 | Optical differential tilt sensor An electrooptical sensor system directly measures the angle between two nearly parallel collimated laser beams. After focussing with a positive lens, the beams pass through a photoelastic modulator, a quarter wave retardation plate, and two polarizers. Th... | 01/01/1991 |
| 4977365 | Instantaneous frequency measurement (IFM) receiver to measure frequency and angle of arrival (AOA) of multiple signals The receiver through an improved Prony method provides a measure of the frequencies, the angle of arrival (AOA) and the phase of signals at the receiver. The device comprises two antennas spaced a known distance apart. These antennas receive signals at di... | 12/11/1990 |
| 4970638 | Control of unknown systems via deconvolution The controller is a logical network which, when interfaced with a mechanical system or an electromechanical system, will cause the output variable of the system to closely follow any command signal received. It comprises shift registers, memory banks, acc... | 11/13/1990 |
| 4963816 | Instantaneous frequency measurement (IFM) receiver with only two delay lines The IFM receiver employs only two delay lines, thereby simplifying the IFM receiver design. The basic principle is to use two delay lines to provide fine frequency resolution, and at the same time cover a wide input bandwidth. The two delay line lengths m... | 10/16/1990 |