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| Number | Title | Issue Date |
| 6141124 | Color filter and color picture display device using the same A color filter which, in a reflection type color picture projector using a polarized light component as a projection light, improve the utilization factor of light and a color picture display device using the same color filter are provided. The color filt... | 10/31/2000 |
| 5960211 | Data formatting method and apparatus for a data processing array Data is reformatted in a memory external to the processing elements of a processing array, relieving the processing array of this task and allowing it to perform its data processing functions more efficiently. Data is transferred to or from the multi-chan... | 09/28/1999 |
| 5760667 | Non-uniform Q self amplitude equalized bandpass filter A bandpass filter having 4-degrees of freedom includes a plurality of resonant cavities having respective Qs where at least one of the Qs is different. A plurality of main couplings couple successive resonant cavities to establish a main signal path that ... | 06/02/1998 |
| 5756160 | Surface protection for carbon composite materials The present invention comprises a method for protecting carbon composite materials from edge or surface damage during handling and manufacturing. The method comprises forming a protective silicon coating on selected surfaces of the carbon composite materi... | 05/26/1998 |
| 5739268 | Preparation of cyanate ester polymers and composites for metal plating A method is provided for preparing the surface of a cyanate ester polymer or composite for metal plating. The surface is treated with a preheated solution containing a compound selected from the group consisting of at least one quaternary ammonium hydroxi... | 04/14/1998 |
| 5732384 | Graphical user interface for air traffic control flight data management A method for interactively displaying flight information in an air traffic control system. Flight information lists are displayed relative to associated geographic fixes, and further flight information is displayed pursuant to user selection of an item on... | 03/24/1998 |
| 5708283 | Flip chip high power monolithic integrated circuit thermal bumps A high power, flip-chip microwave monolithic integrated circuit (MMIC) assembly (30) has a high power microwave monolithic integrated circuit (MMIC) having a surface with an active area (72) in which heat is generated. The assembly also has a host substra... | 01/13/1998 |
| 5706217 | Digital signal processing automatic gain control amplifier The automatic gain control loop has an automatic gain control loop filter generating a multi-bit gain control word in response to the power level of the output signal of the loop. A shifter circuit shifts the input data by selected number of bits under th... | 01/06/1998 |
| 5697493 | Tactile feedback switch actuator A tactile feedback switch actuator for an associated force-actuated switch has a key cap linked to a collapsible dome by an optical fiber, all of which are light-transmittable. The actuator is operated by manually applying an actuating force to the key ca... | 12/16/1997 |
| 5696575 | Digital flux gate magnetometer Digital logic and a high resolution digital to analog converter are used to adequately digitize a magnetic signal that is subsequently processed by magnetic data processing algorithms. The high resolution digital to analog converter is directly incorporat... | 12/09/1997 |
| 5695619 | Gaseous pollutant destruction method using self-resonant corona discharge A pollutant destruction system connects a capacitive corona discharge chamber in a self-resonant circuit with an inductive element. Intermittent energizing signals are furnished from a power supply to induce corona discharges within the chamber, with the ... | 12/09/1997 |
| 5691542 | Emissivity target that provides positive and negative differential temperature patterns relative to a background temperature An electro-optical target comprising an emissivity target and a controlled background source that has a temperature greater than, less than or equal to the temperature of the emissivity target. Appropriate adjustment of the temperatures of the emissivity ... | 11/25/1997 |
| 5678228 | Satellite terminal with sleep mode A remote ground terminal for transmitting a modulated data signal to a satellite. The remote ground terminal comprises a source of data signals, a demodulator for receiving a data signal and coupling the data signal to a transmitter, and for producing a p... | 10/14/1997 |
| 5648767 | Transponder detection system and method A transponder detection system for detecting the presence at a detection area of a vehicle on which the transponder is mounted. Two antenna arrays are located on opposite sides of the detection area, and have their boresights directed to the detection are... | 07/15/1997 |
| 5626314 | Passive intermodulation shield A passive intermodulation shield (10) for a spacecraft is made from a substrate (12) and a vacuum deposited aluminum layer (14) over the substrate (12). The substrate (12) can include a polyimide sheet such as Kapton. The vacuum deposited aluminum layer (... | 05/06/1997 |
| 5614877 | Biconical multimode resonator A bandpass microwave filter (32) is constructed by use of a right cylindrical cavity resonator (10) wherein end regions (22, 24) of the resonator are tapered. The tapering is accomplished by replacing end portions of a right cylindrical sidewall with frus... | 03/25/1997 |
| 5613197 | Multi-channel transponder with channel amplification at a common lower frequency Input RF signals to a transponder, such as a communications satellite, are down converted to a lower intermediate frequency (IF) that is common for each different channel. The channel signals are all processed at the common IF, and then up converted to di... | 03/18/1997 |
| 5608028 | Polybutadiene urethane potting material An adhesive material is provided which is particularly suitable for potting a sensing element within a container. The adhesive material is characterized by mechanical and physical properties which enable the adhesive material to maintain its adhesive and ... | 03/04/1997 |
| 5596875 | Split stirling cycle cryogenic cooler with spring-assisted expander A split Stirling cycle type of cryogenic cooler (10) includes a compressor portion (12) and an expander portion (14). The expander portion (14) is of the "cold finger" type, and is configured to operate in near-resonance with the characteristic cyclic ope... | 01/28/1997 |
| 5578972 | Transmit/receive isolation assembly for a very small aperture satellite terminal An apparatus for coupling a receiver and a transmitter to a single antenna via a feedhorn so as to allow for the simultaneous transmission and reception of signals. The apparatus is an integrally formed single unit which includes a polarizer, a circular w... | 11/26/1996 |
| 5577056 | Method and apparatus for adjusting the postamble false detection probability threshold for a burst transmission A method and apparatus for adjusting the postamble false detection probability threshold for transmission systems that carry telephony network signals using binary-phase shift-keying (BPSK) burst transmission format. The postamble marks the end of a burst... | 11/19/1996 |
| 5566189 | Method and device for puncturing data A circuit and method for puncturing data on the transmission side of a digital communications system. The puncturing circuit includes a multiplexer circuit that receives a data stream and a delayed version of the data stream. The multiplexer circuit gener... | 10/15/1996 |
| 5558381 | Carrier opener system The carrier opener system has a channel and guide pins for retaining and accurately positioning a carrier which has a component captured therein. A driver moves from a first to a second position and moves a carriage from a first to a second position where... | 09/24/1996 |
| 5554982 | Wireless train proximity alert system A wireless train proximity alert system provides a constant warning signal to warn vehicles approaching a train crossing when a train is also approaching the crossing. The system includes a transceiver, positioned on the train itself or at the side of the... | 09/10/1996 |
| 5537005 | High-current, low-pressure plasma-cathode electron gun Plasma-cathode electron gun structures capable of operation in low-pressure, e.g., | 07/16/1996 |
| 5261010 | Automatic mask threshold An improved method for finding the mask threshold for a maskable bilevel correlator operates on a series of frames of information. Beginning with an initial threshold, two rates are computed. The rate of change of the correlation peak magnitude P.sub.(T),... | 11/09/1993 |
| 5096282 | Polymer dispersed liquid crystal film devices A method of forming a polymer dispersed liquid crystal (PDLC) film is disclosed which consists of forming a solution of LC dissolved in a monomer, photopolymerizing the solution to form a film having a dispersion of LC bubbles therein, establishing a corr... | 03/17/1992 |
| 4829162 | Maintenance of uniform optical window properties Uniform electrical heating of a circular, single crystal germanium window (18) uses its bulk resistance and pairs of electrodes (20) equally spaced about the window's periphery. The electrode pairs are sequentially switched at a rate high enough to avoid ... | 05/09/1989 |
| 4821272 | Single mirror integral raman laser A Raman laser (10) is provided using a pump laser (22) as a source of radiation at a first wavelength and a Raman cell (30) for converting the first wavelength radiation to a second wavelength. The pump laser (20) provides polarized radiation at a predete... | 04/11/1989 |
| 4809282 | Critical angle rotating prism Q-switch A CO2 TEA laser Q-switch uses an intra cavity rotating prism (70) with internally reflecting surfaces (76, 78) at near the critical angle to produce a variable optical loss such that the gain of the laser is switched as the prism rotates throug... | 02/28/1989 |
| 4738732 | Self cleaning liquid solder flux A soldering flux, method for fluxing pieces, and method for joining pieces, wherein hydrofluoric acid or an evaporative organic acid is mixed with an evaporative organic solvent to form the flux. Neither precleaning nor postcleaning of the pieces being jo... | 04/19/1988 |
| 4725795 | Corrugated ridge waveguide phase shifting structure A differential phase shifting structure is disclosed, employing corrugated ridges in square or round waveguides or in coaxial lines operating in the TE11 mode. The structure provides a substantially constant differential phase shift between two... | 02/16/1988 |
| 4719350 | Radiation imaging enhancement An imaging system incorporating a scanned array of infrared detectors for a presentation of scene data on a display includes gain normalization circuitry coupled to individual ones of the detectors of the detector array. The normalization circuitry is str... | 01/12/1988 |
| 4652463 | Process for depositing a conductive oxide layer The specification discloses a low-temperature process for depositing a layer of a conductive oxide of a chosen metal, such as tin oxide, on the surface of a substrate while simultaneously avoiding damage to the substrate. The process comprises exposing th... | 03/24/1987 |
| 4584039 | Fine line flexible cable fabrication process A method for fabricating supported fine line electrical conductors comprises the steps of forming a pattern (16) which defines a configuration (18) of the desired conductors on a surface (12), placing electrically conductive material on the surface in a c... | 04/22/1986 |
| 4584464 | Heating element An electrically energizable high intensity, radiant energy heater (8) having a general M-shape for providing a pocket (20) for localized high intensity isothermal heating for fusion and fiber processing. The heater is shaped to provide easy access for a f... | 04/22/1986 |
