Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 8102280 | System and method for detecting a dragging brake Systems and methods to determine whether a brake is dragging based on post-takeoff spindown data are provided. The method comprises measuring spindown of a wheel to obtain spindown data. The spindown data is compared with a spindown envelope, and notification is pro... | 01/24/2012 |
| 8094042 | Aircraft steering angle warning system A steering angle warning system comprising a rotation-measuring unit located on an aircraft, and an alarm unit. The rotation-measuring unit is arranged to output a first signal dependent on the steering angle between a nose landing gear of the aircraft and the longi... | 01/10/2012 |
| 7944372 | Aircraft tip alarm system A tip alarm system for an aircraft having a nose landing gear (NLG) includes a sensor having first and second parts respectively disposed on first and second portions of the NLG that are respectively fixed to the aircraft and moveable relative to the fixed portion a... | 05/17/2011 |
| 7589645 | System and method for determining aircraft hard landing events from inertial and aircraft reference frame data This invention allows for the precise determination of an aircraft's landing conditions and whether an aircraft has experienced a hard landing that exceeds the allowable design loads of the aircraft's landing gear. The system comprises a computer that measures signa... | 09/15/2009 |
| 7414545 | Incursion collision avoidance system for vehicle traffic control A system to identify junctions of restricted areas to approaching vehicles, including at least one warning signal generator, at least one antenna coupled to the generator transmitting the warning signal into areas traversed by the vehicles approaching the restricted... | 08/19/2008 |
| 7350751 | Anti-flip landing gear for aircraft A system for controlling landing gear of an aircraft is disclosed. The apparatus includes a sensor for sensing water, wherein the sensor is coupled to the landing gear and a retracting device for retracting the landing gear when the sensor senses a body of water. In... | 04/01/2008 |
| 7274309 | Aircraft landing gear initial touch-down velocity monitor A system for use in monitoring, measuring, computing and displaying the initial touch-down descent velocity experienced while aircraft are executing either normal, overweight or hard landing events. Pressure sensors and motion sensors are mounted in relation to each... | 09/25/2007 |
| 7274310 | Aircraft landing gear kinetic energy monitor A system for use in monitoring, measuring, computing and displaying the Kinetic Energy generated and experienced while aircraft are executing either normal, overweight or hard landing events. Pressure sensors and motion sensors are mounted in relation to each of the... | 09/25/2007 |
| 7212135 | Real time analysis and display of aircraft approach maneuvers Method and system for monitoring and comparing, in real time, performance of an aircraft during an approach to touchdown along a conventional approach path and along a contemplated modified approach path to touchdown. In a first procedure, a flight parameter value a... | 05/01/2007 |
| 7193530 | Aircraft landing gear automated inspection and life limitation escalation system and method A system for use in monitoring, measuring, computing and displaying the landing loads experienced while aircraft are executing either normal, overweight or hard landing events. Pressure sensors and motion sensors are mounted in relation to each of the landing gear s... | 03/20/2007 |
| 7191983 | Methods and systems for controlling flammability control systems in aircraft and other vehicles Methods and systems for controlling fuel tank flammability control systems are disclosed herein. In one embodiment, a system for use with an aircraft or other vehicle includes a flammability control system and a controller operably coupled to the flammability contro... | 03/20/2007 |
| 7093789 | Delta-winged hybrid airship In one aspect, a hybrid airship including an outer shell, a plurality of helium filled gas envelopes, and an all-electric propulsion system may have the shape of a delta-wing. In some embodiments, the hybrid airship may be launched using buoyancy lift alone and aero... | 08/22/2006 |
| 7057307 | Control method of sliding a vehicle door by a powered sliding device A control method wherein sliding of a sliding door by a powered sliding device is started after sounding an annunciation buzzer when an operating switch is operated, but when a remote control transmitter integrally having an ignition key is operated, the sliding of ... | 06/06/2006 |
| 6927702 | Landing gear warning system The present invention provides for a computer that accepts inputs from a surface monitor to determine whether the terrain below the aircraft is water or land. In a preferred embodiment an improved landing gear warning system is provided to warn a pilot when landing ... | 08/09/2005 |
| 6902136 | Wireless landing gear monitoring system A wireless landing gear monitoring system for an aircraft. The monitoring system includes a wireless, e.g. radio frequency (RF), hubcap transceiver powered by a rechargeable battery combined with a super-capacitor, all mounted to an inside surface of a wheel hubcap ... | 06/07/2005 |
| 6704634 | Gear retract braking system and method A method and system for braking aircraft landing gear wheels after initialization of landing gear retraction. The system includes monitors, controlling components, measurement components, a fault recording memory, fault annunciation components, wheel brak... | 03/09/2004 |
| 6218963 | Time management system for passing vehicles When a vehicle enters a tollhouse and is detected with a vehicle detector, a fixed station transmits a communication link request to a mobile station of the vehicle via an antenna to thereby start transferring toll transfer information between the fixed s... | 04/17/2001 |
| 6119055 | Real time imaging system and method for use in aiding a landing operation of an aircraft in obscured weather conditions An imaging apparatus for aiding landing of aircraft in weather conditions obscuring a pilot's view of a runway. The apparatus comprises a plurality of LED assemblies which are disposed along the runway. Each LED assembly includes a plurality of LEDs, a re... | 09/12/2000 |
| 6008742 | Aircraft landing gear warning system The Aircraft Landing Gear Warning System is an electronic device designed for general aviation aircraft having retractable landing gear. The unit attaches to the aircraft. The system incorporates means of determining the aircraft's proximity to the ground... | 12/28/1999 |
| 5955972 | Gear position indicator Disclosed is an apparatus for displaying state and transition state information of mechanical equipment. A sensor and display system is provided for displaying aircraft landing gear status and other mechanism status. In one embodiment, the system utilizes... | 09/21/1999 |
| 5859598 | Gear position indicator An apparatus for displaying state and transition information in a system. A sensor and display system is disclosed for displaying aircraft landing gear status. The system utilizes two light emitting diodes (LEDs) for each landing gear leg to display the c... | 01/12/1999 |
| 5815407 | Method and device for inhibiting the operation of an electronic device during take-off and landing of an aircraft An apparatus (700) for inhibiting operation of an electronic device (702) during take-off and landing of an aircraft (802) has a sensor (704) that measures a lateral acceleration. A control circuit (706) is coupled to the sensor (704) and has an output (7... | 09/29/1998 |
| 5519391 | Improper flap position on take-off warning A warning system provides a warning to the pilot of an aircraft during a take-off mode of flight of a relatively dangerous flight condition, such as improper configuration of the flaps during a take-off mode of flight prior to the aircraft becoming airbor... | 05/21/1996 |
| 4516124 | Convertible amphibious aircraft wheel position warning system An apparatus is provided for an amphibious aircraft which also has retractable landing gear. The apparatus senses changes in aircraft speed indicative of an imminent landing or a takeoff and prompts the pilot to verify that the landing gear is in a positi... | 05/07/1985 |
| 4495483 | Ground proximity warning system with time based mode switching To increase the effectivity of warnings and to decrease nuisance warnings in a ground proximity warning system having several modes of operation, the switching from one mode to another is done as a function of time. In addition, in a ground proximity warn... | 01/22/1985 |
| 4464661 | System monitor circuit having first and second phase-sensitive demodulator circuits coupled to first and second loads, and a comparator section for monitoring the loads A pair of simple phase-sensitive full-wave high-gain demodulator circuits generate an output for both halves of an AC reference cycle. One of the demodulator circuits is utilized as an amplifier to drive, for example, the steering system servo valve in an... | 08/07/1984 |
| 4459579 | Process and device for detecting the under-inflation of a tire of the landing gear of an aircraft Process for detecting the under-inflation of a tire of the landing gear of an aircraft in the course of taxiing, said landing gear being formed by at least one bogie comprising a beam provided with a pair of twin wheels at each of its ends provision is ma... | 07/10/1984 |
| 4319218 | Negative climb after take-off warning system with configuration warning means During a take-off or missed approach phase of operation the aircraft's maximum barometric altitude is retained in a memory element and compared to the aircraft's current altitude, and if the aircraft's current barometric altitude should be below the maxim... | 03/09/1982 |
| 4282508 | Electrical signal interconnection coupler A conductor for transmitting an electrical signal from a signal generator on a rotating member to a signal detector on a relatively stationary member across the motion interface between the two members comprises at least one solid carbon graphite ring mou... | 08/04/1981 |
| 4275376 | Electrical signal interconnection coupler A signal communicator for transmitting an electrical signal from one member rotating relative to another member is in the configuration of a journal bearing and comprises at least one conically shaped annular graphite ring supported by inner and outer ele... | 06/23/1981 |
| 4224597 | System for detecting underinflated tire in a rolling vehicle The speeds of two wheels are detected by means of wheel speed transducers associated with each wheel, each producing a DC voltage signal proportional to the respective wheel speed. The circuit includes two electric comparators, each having two inputs and ... | 09/23/1980 |
| 4115756 | Wheel and brake advisory system for aircraft A wheel speed transducer, for each braked wheel of an aircraft, produces a DC voltage signal which is proportional to the wheel rpm. In one aspect, the system compares the wheel speed voltage signal with a fixed threshold voltage signal proportional to a ... | 09/19/1978 |
