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| Number | Title | Issue Date |
| 5878090 | Receiver synchronization using punctured preamble A receiver carrier synchronization apparatus and method for carrier synchronization with a received signal having a known data pattern preamble uses a "punctured" preamble for making carrier synchronization estimates thereby reducing the number of receive... | 03/02/1999 |
| 5874145 | Identification document with enhanced level of security An identification document and a method of placing personalized data (variable text and color image) directly on the identification document having a data receiving page. The method comprises the steps of: printing personalized data directly onto a silico... | 02/23/1999 |
| 5872667 | Mechanical operations and volume format identifying system zones for tape media There is described a tape format and a method for formatting a length of magnetic tape with a number of system zones. Each system zone contains an area for mechanical load/unload operations or threading operations and an area containing volume format info... | 02/16/1999 |
| 5841031 | Method and apparatus for evaluation and inspection of composite-repaired structures A method and apparatus for evaluation and inspection of a composite-repaired structure generates a frequency-varying electrical signal to test and evaluate the composite-repaired area. The electrical signal is converted into a mechanical signal and transm... | 11/24/1998 |
| 5815119 | Integrated stacked patch antenna polarizer circularly polarized integrated stacked dual-band patch antenna A dual band, stacked microstrip antenna produces circular polarization. A two-layer, 90° microstrip coupler is mounted to a hi-band patch and a lo-band patch and provides two inputs to the antenna to excite two orthogonal linearly polarized radiation pat... | 09/29/1998 |
| 5810599 | Interactive audio-visual foreign language skills maintenance system and method A computer, responsive to user input, controls the presentation of an audio-visual work to a user. Through the selection of several interactive learning options, support and reinforcement of the learning process is provided. In particular, the computer in... | 09/22/1998 |
| 5808565 | GPS triggered automatic annunciator for vehicles An apparatus for automatically announcing the arrival status of a vehicle to occupants of the vehicle. The apparatus stores route identification, trip identification, and destination identification for at least one predetermined route. The destination inf... | 09/15/1998 |
| 5808626 | Method for autonomous determination of tie points in imagery A method for selecting tie point locations within a series of overlapping images. Initially the series of images are ordered to maximize the potential for successful phase correlations between adjacent images. Adjacent pairs in the ordered images are then... | 09/15/1998 |
| 5790602 | Receiver synchronization using punctured preamble A receiver carrier synchronization apparatus and method for carrier synchronization with a received signal having a known data pattern preamble uses a "punctured" preamble for making carrier synchronization estimates thereby reducing the number of receive... | 08/04/1998 |
| 5787384 | Apparatus and method for determining velocity of a platform An apparatus and method for determining the velocity of a platform includes a GPS receiver and inertial measurement unit (IMU) located at the platform. The GPS receiver provides GPS navigation data using a plurality of GPS satellites while the inertial me... | 07/28/1998 |
| 5746551 | Hole preparation apparatus and method of use A hole preparation apparatus for back drilling, upsizing and reaming mating precision holes. The apparatus includes three main sections--a tubular body section, a base and a drive shaft assembly. The drive shaft assembly includes an upper portion sized to be r... | 05/05/1998 |
| 5746389 | Cable retractor A cable retractor comprising interconnected restrainer segments attached end-to-end by pivot pins, such that the entire structure is foldable into a small space. A fiber optic cable is attached to restrainer segments in a manner such that the total path l... | 05/05/1998 |
| 5743683 | Removal tool for flush rivets A tool for removal of rivets includes three main sections--a tubular body section, a base, and a drive shaft assembly. The drive shaft assembly includes an upper portion to be received in the chuck of a rotational source of power and a lower portion to be... | 04/28/1998 |
| 5736977 | Video real estate information service Apparatus and a method for providing real estate agents, persons relocating to another home or acquiring an interest in a property, and providers of home insurance, with an audio-visual presentation of a property supplied over existing cable, telephone, I... | 04/07/1998 |
| 5728258 | Portable non-gravitational positive pressure generator and method of use An apparatus for applying non-gravitational pressure to a surface includes a frame structure having a longitudinal axis, a pair of connecting members coupled to the frame structure along parallel axes normal to the longitudinal axis of the frame structure... | 03/17/1998 |
| 5726793 | Polygonal mirror optical scanning system An optical system for scanning a light beam across an object where the light beam is double reflected by the reflection surfaces of a rotating polygonal mirror. Beam expander optics are included in the light path for the light beam following the first ref... | 03/10/1998 |
| 5724496 | Method for autonomous determination of tie points in imagery A method for selecting tie point locations within a series of overlapping images. Initially the series of images are ordered to maximize the potential for successful phase correlations between adjacent images. Adjacent pairs in the ordered images are then... | 03/03/1998 |
| 5712872 | Communications system using open architecture bus lines A communications system programmable to operate at a selected one of multiple frequency ranges and any one of a plurality of modulations schemes and data rights including an open architectural bus line for linking a plurality of board level units. A singl... | 01/27/1998 |
| 5706322 | Precision time of day counter A very high speed counter system of operating at frequencies of up to around 800 MHz provides timing measurements with accuracies on the order of (1/f) seconds where f is the frequency of operation. The least significant bit of the counter operates at the... | 01/06/1998 |
| 5706010 | Method and apparatus for determining location of an unknown signal transmitter A method and apparatus determines the location of a signal transmitter located at an unknown location by using externally-induced intermodulation distortion emitted from the signal transmitter. A transmitter locator emits an interrogation signal having a ... | 01/06/1998 |
| 5702073 | Modular liquid skin heat exchanger A liquid coolant heat exchange system for use in semimonocoque aircraft includes an arcuate planar heat sink fixed along a radius of curvature R1 by forming members, a flexible arcuate planar spreader plate having a radius R2, such t... | 12/30/1997 |
| 5702070 | Apparatus and method using relative GPS positioning for aircraft precision approach and landing A relative GPS landing system is provided for approach and landing of aircraft where an accurate site survey of the GPS platform is unavailable. Data containing information on all GPS satellites in view is uplinked from a ground station to an aircraft. A ... | 12/30/1997 |
| 5691723 | Apparatus and method for encoding and decoding data on tactical air navigation and distance measuring equipment signals A method and apparatus for encoding and decoding data on navigation signal pulse pairs utilizes pulse position modulation (PPM). The pulse interval between a first pulse and a second pulse of the pulse pair is varied depending on whether the logic value o... | 11/25/1997 |
| 5689527 | Communications system using open architecture bus lines A communications system programmable to operate at a selected one of multiple frequency ranges and any one of a plurality of modulations schemes and data rights including an open architectural bus line for linking a plurality of board level units. A singl... | 11/18/1997 |
| 5678787 | Door assembly with shear layer control aperture There is described a vehicle door assembly with shear layer control for controlling the airflow in and around an aperture in the vehicle fuselage. The vehicle door assembly consists of an upper door and a lower door, both slidably mounted to the exterior ... | 10/21/1997 |
| 5678219 | Integrated electronic warfare antenna receiver An RF antenna and an associated receiver are proximately located in an integrated antenna/receiver unit thereby eliminating the need for baluns and inter-component cabling characteristic of prior designs. Integration of the receiver with the antenna provi... | 10/14/1997 |
| 5667168 | Modular liquid skin heat exchanger A liquid coolant heat exchange system for use in semimonocoque aircraft includes an arcuate planar heat sink fixed along a radius of curvature R1 by forming members, a flexible arcuate planar spreader plate having a radius R2, such t... | 09/16/1997 |
| 5665913 | Method and apparatus for evaluation and inspection of composite-repaired structures A method and apparatus for evaluation and inspection of a composite-repaired structure generates a frequency-varying electrical signal to test and evaluate the composite-repaired area. The electrical signal is converted into a mechanical signal and transm... | 09/09/1997 |
| 5664109 | Method for extracting pre-defined data items from medical service records generated by health care providers A central medical record repository for a managed health care organization accepts and stores medical record documents in any format from medical service providers. The repository then identifies the document using information automatically extracted from... | 09/02/1997 |
| 5657032 | Aircraft cellular communications antenna An elliptic-shaped cylindrical antenna radiating element having a first side and a second side includes a first rectangular slot disposed in the first side and a second port disposed in the second side. A microstrip feed network located within the antenna... | 08/12/1997 |
| 5644668 | High speed electro-optical signal translator An electro-optical signal translator, signal translator design features, methods of fabrication, alignment techniques and alignment apparatus that utilize, with the exception of output optical fiber to transmitter module coupling, passive assembly techniq... | 07/01/1997 |
| 5642264 | Apparatus for supporting circuit cards in slot locations A chassis having a unique configuration is provided along with card guide assemblies having predefined configuration types for selective installation in the chassis. The guide assemblies, when installed within the chassis, enable circuit cards having vary... | 06/24/1997 |
| 5640333 | Communications system using open architecture bus lines A communications system programmable to operate at a selected one of multiple frequency ranges and any one of a plurality of modulations schemes and data rights including an open architectural bus line for linking a plurality of board level units. A singl... | 06/17/1997 |
| 5625328 | Stripline directional coupler tolerant of substrate variations A stripline directional coupler having a quarter-wave transmission line added either between the isolation port of the coupler and the termination impedance or between the input port of the coupler and the signal input reduces the degradation of coupler d... | 04/29/1997 |
| 5603797 | Flexible reinforced rubber part manufacturing process utilizing stereolithography tooling A single-tool manufacturing process utilizing a stereolithographic tool for fabricating flexible reinforced rubber parts. The stereolithographic tool is fabricated using a laser and computer-controlled optical scanning system. Then fabric and resin are ma... | 02/18/1997 |
| 5587119 | Method for manufacturing a coaxial interconnect A multi-chip-module comprising a plurality of vertically layered substrates and including a plurality of coaxial inter-connects formed between and through the substrate layers. Each of the coaxial inter-connects is formed by a process wherein: an outer ho... | 12/24/1996 |
| 5585955 | Polygonal mirror optical scanning system An optical system for scanning a light beam across an object where the light beam is double reflected by the reflection surfaces of a rotating polygonal mirror. Beam expander optics are included in the light path for the light beam following the first ref... | 12/17/1996 |
| 5581638 | Method for autonomous image registration A method for automatically registering an image pair having a common coverage area, wherein a pair of image data sets, each representing an image of an image pair, are processed to generate initial dewarping coefficients for the image data sets. The trans... | 12/03/1996 |
| 5577181 | Method for autonomous determination of tie points in imagery A method for selecting tie point locations within a series of overlapping images. Initially the series of images are ordered to maximize the potential for successful phase correlations between adjacent images. Adjacent pairs in the ordered images are then... | 11/19/1996 |
| 5570069 | Broadband directional coupler A directional coupler having a broadband frequency response comprises a pair of parallel TEM transmission lines having an input port, a thru port, a coupled port, and an isolation port. A quarter-wave, short circuited transmission line coupled to the thru... | 10/29/1996 |
