| Patent Number |
Title Of Patent |
Date Issued |
| 5410276 |
RF modulation using a pulsed DC power supply |
April 25, 1995 |
| Circuits for modulating an RF input signal applied to an RF high power amplifier to produce a modulated RF output signal. The present invention employs a VHF power supply or converter with a modulation control circuit that enables the power supply to be pulsed at frequencies commensurate |
| 5410274 |
Single-ended and differential amplifiers with high feedback input impedance and low distortion |
April 25, 1995 |
| First and second current feedback transconductance amplifiers (102,104) each have a high impedance voltage input, a low impedance current input and a pair of push-pull current outputs. In a single-ended configuration, an input signal is applied to the voltage input of the first trans |
| 5409418 |
Electrostatic discharge control during jet spray |
April 25, 1995 |
| An improved apparatus and method adapted for use in removing trace contaminants from the surface of a chosen substrate, such as delicate surfaces or precision parts, by application of a stream or jet spray of expanded fluid to the substrate surface. The improvement consists of contro |
| 5408863 |
Knock detector for internal combustion engine |
April 25, 1995 |
| An engine knock detector including a first mechanism for sensing engine noise during a first time period of an engine combustion cycle and providing a first signal in response thereto. A second mechanism is also provided for sensing engine noise and engine knock during a second time |
| 5408362 |
Method for altering the coefficient of thermal expansion of a mirror |
April 18, 1995 |
| A front to back coefficient of thermal expansion difference between surfaces of a mirror segment is reduced by coating a selected surface. The other surface may be also coated in order to obtain an overall bulk coefficient of thermal expansion for the mirror segment. A plurality of m |
| 5408240 |
Suspended stripline RF feed with orthogonal coaxial transitions and plastic housing |
April 18, 1995 |
| A suspended stripline corporate feed with an orthogonal transition to a coaxial transmission line at each of its input/output ports. Alternate I/O ports are pointed in opposite directions so that devices on both sides of the feed can be serviced by the same circuit. The cover for the fee |
| 5408209 |
Cooled secondary coils of electric automobile charging transformer |
April 18, 1995 |
| A transformer is used to charge the battery of an electric automobile. The primary of the transformer is connected to a fixed power supply and is separable from a secondary mounted in the automobile. The secondary is cooled by cooling structure mounted on the secondary, particularly a he |
| 5408053 |
Layered planar transmission lines |
April 18, 1995 |
| A transmission line structure including a central signal conductor stack of elongated conductive strips separated from each other by contiguous dielectric layers of a unitized multilayer circuit structure, a first ground conductor stack of elongated conductive strips separated from each |
| 5407841 |
CBiCMOS fabrication method using sacrificial gate poly |
April 18, 1995 |
| A complementary bipolar CMOS fabrication method uses a common deposition for both the CMOS gate contacts, and as a sacrificial layer for patterning bipolar devices. The deposition is removed from the bipolar devices and, after implanting base and emitter regions, is replaced with a separ |
| 5407185 |
Reconfigurable clamp |
April 18, 1995 |
| A reconfigurable clamping and supporting apparatus. The inventive apparatus (20) includes first and second arrays (32, 34) of elements (30) and a mechanism for activating same (60, 62, 64-49). The first array (32) comprises at least two rows of elements (30) extending along a first axis |
| 5406417 |
Differential pneumatic pressure zoom lens drive |
April 11, 1995 |
| An optical apparatus (2) has a first optical element (4, 4a) and a second optical element (5, 5a). The first optical element (4, 4a) is disposed in the same optical path (3) as the second optical element (5, 5a). A first optical assembly (6a, 6b, 8, 8a, 10, 10a, 20, 22, 24, 70, 72) is di |
| 5406395 |
Holographic parking assistance device |
April 11, 1995 |
| An optical parking alignment system that includes at least one projector located on a vehicle for projecting a respective image forwardly of the vehicle, whereby alignment of the vehicle is indicated when each respective image is in focus on a screen disposed in front of the vehicle. |
| 5406328 |
Adaptive track loop bandwidth reduction in cluttered scenes |
April 11, 1995 |
| A tracking system and method that achieves system bandwidth reduction and analyzes scene information from an expanded area around a tracked target. Objects in the scene that may interfere with the target and cause degraded tracking performance are tracked to determine the level of likely |
| 5406122 |
Microelectronic circuit structure including conductor bridges encapsulated in inorganic dielectr |
April 11, 1995 |
| A gallium arsenide Monolithic-Microwave-Integrated-Circuit (MMIC) flip chip or other microelectronic circuit structure (10) includes a plated gold bridge (28) which serves as metal interconnect crossover between sites (24,-26) on a substrate (12). A first inorganic dielectric passivation |
| 5405680 |
Selective emissivity coatings for interior temperature reduction of an enclosure |
April 11, 1995 |
| Selective emissivity coatings are disclosed for temperature reduction of enclosures such as vehicles and building structures. The coating includes a selective emissivity material such as silicon-oxy-nitride having a desired thermal emissivity function which is high in the 8-13 micron |
| 5405270 |
Electrical connector assembly with jackscrew coupling |
April 11, 1995 |
| An electrical connector assembly includes two connector blocks that are coupled together by means of a jackscrew on one block that is screwed into a receiver on the other block. The jackscrew and receiver are formed from metal, while the remainder of the connector blocks are formed from |
| 5404561 |
Clustering and associate processor |
April 4, 1995 |
| A clustering and assignment processor (40) for correlating set (12) of two-dimensional data points (14). Clustering is performed by treating each data point (14) as a mass subject to gravitational attraction by other data points (14). The data points (14) are permitted to move in data sp |
| 5404516 |
System for allocating resources and method |
April 4, 1995 |
| A system for allocating resources having a first mechanism for receiving a collection of input parameters and a second mechanism for processing data in accordance with the input parameters. The second mechanism includes a third mechanism for generating a collection of asset schedules, a |
| 5404405 |
FM stereo decoder and method using digital signal processing |
April 4, 1995 |
| A digital FM stereo decoder uses the phase characteristics of linear phase FIR filters, together with a trignometric operation, to generate a 38 kHz subcarrier signal from a 19 kHz pilot. The subcarrier signal is mixed with the input composite signal from which the pilot has been removed |
| 5404028 |
Electrical junction device with lightly doped buffer region to precisely locate a p-n junction |
April 4, 1995 |
| An electrical junction is precisely located between a highly p doped semiconductor material and a more lightly n doped semiconductor material by providing a lightly p doped buffer region between the two materials, with a doping level on the order of the n doped material's. The buffer |
| 5404006 |
High power capacity optical receiver apparatus and method employing distributed photodetectors |
April 4, 1995 |
| An optical receiver with an enhanced power capability and wide bandwidth is implemented by distributing a number of photodetectors along an optical transmission channel to convert respective portions of an optical signal into electrical signals. An electrical transmission line receives a |
| 5403621 |
Coating process using dense phase gas |
April 4, 1995 |
| A process for coating a substrate with a chosen material comprising placing the substrate in a coating chamber and contacting the substrate with a mixture of the selected coating material in a chosen dense phase gas at a selected temperature and a pressure equal to or above the critical |
| 5402451 |
Digital post-detection FM spatial diversity combination circuit |
March 28, 1995 |
| A Digital Post-Detection (Post-Discriminator) FM spatial diversity combination circuit improves performance for fading channels typical of cellular radio operating environments. A feature of this system is its flexibility. The system can be configured to use signal quality informatio |
| 5402137 |
Equalized shaped reflector antenna system and technique for equalizing same |
March 28, 1995 |
| Equalized offset fed east and west shaped reflectors (12) and (14) and technique for producing the same are provided herein. A first shaped reflector (12) has a first shaped reflective surface (3) formed to provide a first shaped beam radiation pattern (22). Dimensional deviations such a |
| 5402089 |
Asymmetrically coupled TE.sub.21 coupler |
March 28, 1995 |
| A TE.sub.21 coupler having at least two auxiliary rectangular waveguides asymmetrically disposed around the center line of a TE.sub.21 circular waveguide, the waveguides sharing common walls in which coupling slots are disposed, the slots providing for rectangular TE.sub.10 mode propagat |
| 5401346 |
Laminated hologram decals for identification cards and the like |
March 28, 1995 |
| A hologram decal including a hologram layer having first and second surfaces, a first polymer layer secured to the first hologram surface, a second polymer layer secured to the second hologram surface, a pressure sensitive adhesive layer disposed on the non-hologram side of one of the |
| 5400987 |
Variable angle latching mechanism for spacecraft |
March 28, 1995 |
| A variable angle latching mechanism is provided which readily permits adjustment of the deployment angle of a solar array mechanism or other spacecraft deployable. Latch engagement is possible over a wide angular range with virtually zero backlash. In one embodiment a movable portion |
| 5400162 |
Optoelectronic multibit beamsteering switching apparatus |
March 21, 1995 |
| Optoelectronic switching apparatus employing optoelectronic switching devices interconnected by optical media having different delay lengths and an multiport optical coupler. The optoelectronic switching apparatus provides for a multibit true-time-delay beamsteerer for beamsteering p |
| 5400035 |
False track discrimination in the sidelobe region of a monopulse antenna |
March 21, 1995 |
| A radar target discrimination method (50) prevents sidelobe monopulse tracking. The beamwidth difference between the main beam monopulse and sidelobe monopulse is utilized to distinguish the main beam monopulse tracks from sidelobe monopulse tracks. After the first monopulse beam (52, |
| 5399999 |
Wideband TM.sub.01 -to-TE.sub.11 circular waveguide mode convertor |
March 21, 1995 |
| The mode convertor employs two intermediate modes, a coaxial TEM and a rectangular waveguide TE.sub.10 mode, in the transition between the TM.sub.01 and TE.sub.11 circular waveguide modes. The coaxial line provides isolation while acting as a mode filter between the device input and |
| 5399206 |
Arsenic passivation for epitaxial deposition of ternary chalcogenide semiconductor films onto si |
March 21, 1995 |
| Ternary II-VI semiconductor films (16) are formed on a silicon substrate (12) by first depositing a monolayer of arsenic (14) or other Group V metal on a cleaned surface of the substrate. The ternary II-VI semiconductor film is then formed over the arsenic monolayer, either directly |
| 5398588 |
Missile system with telescoping launch tube |
March 21, 1995 |
| A missile launching system (18) for launching a missile (20) includes an automatically telescoping launch tube (22, 24) and a rest raining system (40, 42). The telescoping launch tube (22, 24) lengthens the period of guided travel of the missile (20) during launch, to improve its accurac |
| 5398265 |
Computer subsystem reset by address dependent RC discharge |
March 14, 1995 |
| In a system wherein a system master (11) communicates with a plurality of subsystems (13, 25, 27, 29), each subsystem (13, 25, 27, 29) is associated with a unique reset address and a reset circuit which recognizes that reset address and generates a reset signal. Each reset circuit includ |
| 5398045 |
Touch control panel |
March 14, 1995 |
| A touch control panel for a cathode ray tube display system that provides for a command entry device. The control panel comprise a touch sensitive panel adapted to produce different output signals depending upon where it is contacted. A processor is coupled to the panel for processing th |
| 5398010 |
Molded waveguide components having electroless plated thermoplastic members |
March 14, 1995 |
| A microwave assembly having molded thermoplastic components that are first assembled into an enclosure, and then electroless copper plated to provide for RF conductivity. Assemblies are made by bonding bare thermoplastic components, after which the bonded assembly is electroless copper p |
| 5397662 |
Process for forming a polymerized material and presenting holographic images |
March 14, 1995 |
| A photopolymerizable composition includes a water-insoluble olefinic compound that is polymerizable with free-radical initiators, an oil-soluble phenothiazine dye that is soluble in water-immiscible organic solvents, and a reducing agent operable to react with the dye to form reactiv |
| 5397366 |
Glass sealing of electrochemical storage cell structures |
March 14, 1995 |
| An electrochemical storage cell (20) includes ceramic housing frame (22) with a flat plate solid ceramic electrolyte (32) bonded to a internal shoulder (26) of the housing frame (22) with a glassy seal (33). A metallic weld ring (34) is bonded to each end of the housing frame (22). E |
| 5396414 |
Adaptive noise cancellation |
March 7, 1995 |
| A compensator that enables an adaptive filter to be placed within a closed loop control system so as to reduce the effects of both measurable and unmeasurable disturbances on the output of the control loop. The disturbances may have spectra that lie within or outside the bandwidth of |
| 5396397 |
Field control and stability enhancement in multi-layer, 3-dimensional structures |
March 7, 1995 |
| Unitized multilayer circuit structures including basic substrate insulating layers and dielectric field control layers having dielectric constants different from the dielectric constant of the basic substrate insulating layers. |
| 5396364 |
Continuously operated spatial light modulator apparatus and method for adaptive optics |
March 7, 1995 |
| A spatial light modulator that is particularly suited for adaptive optics systems includes a charge transfer plate in which accumulated charge is continuously drained from the charge transfer pins, allowing the modulator to be operated in a continuous mode with a very rapid speed of resp |
| 5396183 |
Method for continuously measuring delay margins in digital systems |
March 7, 1995 |
| A digital data propagation delay margin monitoring circuit that includes (a) a digital data propagation unit having a send flip-flop, a combinatorial delay, and a receive flip-flop; and (b) a margin detection circuit having a test flip-flop that receives the same input as the receive |
| 5396060 |
Quadrant detector arrangement having integral light channels |
March 7, 1995 |
| A quadrant detector arrangement (10) includes a quadrant detector (12) having a photosensitive surface (28) and a plurality of light channels (14) extending therethrough. Light from a light source (16) is collimated by a collimating optical element (18) and projected through the light |
| 5395253 |
Membrane connector with stretch induced micro scrub |
March 7, 1995 |
| A membrane connector or test probe having a group of connector or test probe contacts (14) in a central contact section of the membrane (12) is initially stretched by being axially displaced from the plane of the peripheral membrane support (10). The test probe is cause to contact the |
| 5394749 |
Method and apparatus for detecting the position of fluid-fluid interfaces |
March 7, 1995 |
| Precise information is obtainable concerning the position of a fluid-fluid interface (28, 33), such as between a gas and a liquid or between liquids. Such information is important for the control and automation of molten metal refining processes. Specifically, in an electrolytic process |
| 5394520 |
Imaging apparatus for providing a composite digital representation of a scene within a field of |
February 28, 1995 |
| A wide field imaging system having high precision and resolution is disclosed herein. The wide field of regard imaging system 10 of the present invention is operative to provide a composite digital representation of a scene within a field of regard. The system 10 of the present inven |
| 5394426 |
Diode laser bar assembly |
February 28, 1995 |
| Laser apparatus comprising a support that is operative as a heat sink, a diode laser bar assembly, a metallized insulating layer disposed between the substrate and laser bar assembly and an interconnection layer adapted to couple the substrate to the laser bar assembly by means of the |
| 5394157 |
Method of identifying antenna-mode scattering centers in arrays from planar near field measureme |
February 28, 1995 |
| A method of identifying antenna-mode scattering centers in an aperture device or array from planar near field measurements. Antenna-mode scattering centers may be determined for aperture assemblies, phenomenological models of apertures, and antenna arrays comprising a feed and an arr |
| 5394075 |
Spacecraft bus regulation using solar panel position |
February 28, 1995 |
| A spacecraft power bus regulation method and apparatus for a spacecraft. The spacecraft has solar arrays (10) and a battery (30) coupled to the spacecraft power bus (32) to drive electrical loads (34). A bus voltage limiter (38) controls the flow of current from the solar arrays while a |
| 5392607 |
Stirling-cycle cyrogenic cooler using adaptive feedforward vibration control |
February 28, 1995 |
| A Stirling-cycle cryogenic cooler that employs a vibration control procedure based on adaptive feedforward principles. The vibration control procedure is particularly adapted for use as a spacecraft cryogenic cooler, and may be used to cool a detector array or other sensor located on |
| 5392446 |
Multiple cluster signal processor architecture |
February 21, 1995 |
| A signal processor architecture that comprises a data network having multiple ports, a control bus, and a plurality of signal processing clusters connected to at least two ports and the control bus. Each signal processing cluster comprises a system control processor connected to the |
