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| Number | Title | Issue Date |
| 6936954 | Bulk resonator A resonator having temperature and electronic compensation. The resonator has several layers on a substrate having opposite thermal coefficients of the sound velocity for temperature compensation. Also, the frequency of the resonator is adjusted in accordance with a... | 08/30/2005 |
| 6912902 | Bending beam accelerometer with differential capacitive pickoff A low cost, pendulous, capacitive-sensing Micro Electro-Mechanical Systems (MEMS) accelerometer is provided. The accelerometer includes a pendulous proof mass, one or more securing pads, and one or more flexures coupled with the pendulous proof mass and the one or m... | 07/05/2005 |
| 6907324 | Instrument reference flight display system for horizon representation of direction to next waypoint The invention provides a primary flight display instrument in which a symbol—such as a small star or triangle—indicates the bearing to the current waypoint in the flight navigation plan. The display may also show a bearing indication symbol showing a follow-on w... | 06/14/2005 |
| 6906641 | Apparatus, method and computer program product for helicopter enhanced ground proximity warning system An apparatus, method and computer program product for alerting rotary wing aircraft of potentially hazardous proximity to terrain also reduces nuisance warnings and provides a terrain display consistent with the unique performance capabilities of such aircraft. ... | 06/14/2005 |
| 6891464 | Thermal switch striker pin A striker pin in a thermal switch configured as a mechanical link between a bimetallic disk and an armature spring is provided. The striker pin includes a pin of molded ceramic material. The pin has a generally cylindrical shape, a first axial end, and a second axia... | 05/10/2005 |
| 6860432 | Overtemperature safety cutoff device A fluid flow shutoff device that eliminates exposure to scalding hot water. The device includes a housing with a first and second opening for allowing fluid flow from the first to the second opening and a bimetallic element supported within the housing. When tempera... | 03/01/2005 |
| 6843126 | Triaxial angular rate and acceleration sensor A triaxial sensor substrate is adapted for use in measuring the acceleration and angular rate of a moving body along three orthogonal axes. The triaxial sensor substrate includes three individual sensors that are arranged in the plane of the substrate at an angle of... | 01/18/2005 |
| 6833797 | Method, apparatus and computer program product for displaying terrain in rotary wing aircraft An apparatus, method and computer program product for displaying terrain and terrain alerts to pilots of rotary wing aircraft provides a terrain display consistent with the performance capabilities of such aircraft. ... | 12/21/2004 |
| 6785594 | Ground proximity warning system and method having a reduced set of input parameters The ground proximity warning system and method provide a number of alerts based upon a substantially reduced list of input parameters relative to a conventional ground proximity warning system and method. The ground proximity warning system and method generally cons... | 08/31/2004 |
| 6763723 | Fiber-optic vibration sensor based on frequency modulation of light-excited oscillators A sensor device for detecting vibration, including a laser light, a first optical fiber for transmitting the laser light, an oscillator to receive the transmitted laser light and reflect the light as a frequency modulated light; a second optical fiber to transmit th... | 07/20/2004 |
| 6750815 | Method, apparatus, and computer program products for alerting surface vessels to hazardous conditions A navigational system for surface vessels that provides warning of impending grounding occurrences. A data base of bottom contours and submerged obstructions is compared to various indicators of the surface vessel's position and motion to provide alerts and to displ... | 06/15/2004 |
| 6745627 | Electrostatic drive for accelerometer A vibratory transducer (22) for an accelerometer (2) having a pair of parallel beams (50, 52) with first and second fixed end portions, and a pair of electrodes (62, 64) positioned adjacent to the beams for generating an electrostatic for... | 06/08/2004 |
| 6741896 | Power backup application to maintain normal flight recorder operation for a specified period of time in case of aircraft power failure or interruption A device and method to provide backup electrical power to a vehicle data acquisition and recording system. The device operates to control its charging state, discharge state, and interval of discharge to ensure reliable operation of the recording system. The method ... | 05/25/2004 |
| 6738011 | Ground elimination technique in vertical profile radar displays A method and system for suppression of ground returns in a vertical profile radar display. The method includes receiving radar returns each comprising a plurality of range bins collated to a vertical profile radar display. The received range bins are analyzed to loc... | 05/18/2004 |
| 6737987 | Method, apparatus and computer program product for helicopter tail strike warning A method, apparatus and computer program product for alerting the pilot of a helicopter of a possible tail strike hazard. ... | 05/18/2004 |
| 6734808 | Method, apparatus and computer program products for alerting submersible vessels to hazardous conditions A navigational system for submersible vessels that provides warning of impending grounding occurrences. A data base of bottom contours and submerged obstructions is compared to various indicators of the submersible vessel's position and motion to provide alerts and ... | 05/11/2004 |
| 6721640 | Event based aircraft image and data recording system An apparatus and method for recording image data of flight parameters and events includes a reconfigurable set of instructions for determining when such data will be retained in flight recorder memory. ... | 04/13/2004 |
| 6720906 | Constant altitude weather and all weather display A system, method, and computer program product for allowing a pilot to view weather hazards at a selected altitude or within a range of altitudes. The weather display system includes a memory, a processor, and a display device. The memory stores radar return data in... | 04/13/2004 |
| 6718292 | Compensation of second-order non-linearity in sensors employing double-ended tuning forks A method for designing a sensor using a dual double-ended tuning forks which provides composite cancellation of second-order non-linearity terms. ... | 04/06/2004 |
| 6710723 | Terrain data retrieval system A terrain-awareness system (TAS) provides LOOK-AHEAD/LOOK-DOWN as well as LOOK-UP terrain advisory and warning indications to the pilot of an aircraft of a hazardous flight condition. The TAS includes an airport data base as well as a terrain data base that is struc... | 03/23/2004 |
| 6708090 | Method, apparatus and computer program product for managing line-of-sight communications A signal processing device references a database of communication/navigation facilities and determines if communications are available with that facility given a current position of the user. ... | 03/16/2004 |
| 6707415 | Method and system for generating weather and ground reflectivity information A method, system, and computer program product for storing weather radar return data into a three-dimensional buffer. The system includes a radar system that transmits a radar signal and generates a radar measurement as a result of radar return of the transmitted ra... | 03/16/2004 |
