Abstract: A fuel-level detection system is configured to determine a fuel level in a fuel system. A comparative fuel probe is associated with the fuel system and includes a capacitive probe assembly configured to provide a comparative capacitive reading, and a float assembly configured to provide a comparative float reading. A comparator is configured to receive the comparative capacitive reading and to receive the comparative float reading, and to determine a corrective factor based at least in part on the comparative capacitive reading and the comparative float reading. A set of capacitive probes is associated with the fuel system. The fuel level in the fuel system is determined by comparing each local capacitive reading from each capacitive probe in the set of capacitive probes with the corrective factor.

Abstract: A fuel-level detection system is configured to determine a fuel level in a fuel system. A comparative fuel probe is associated with the fuel system and includes a capacitive probe assembly configured to provide a comparative capacitive reading, and a float assembly configured to provide a comparative float reading. A comparator is configured to receive the comparative capacitive reading and to receive the comparative float reading, and to determine a corrective factor based at least in part on the comparative capacitive reading and the comparative float reading. A set of capacitive probes is associated with the fuel system. The fuel level in the fuel system is determined by comparing each local capacitive reading from each capacitive probe in the set of capacitive probes with the corrective factor.

Abstract: A fuel-level detection system is configured to determine a fuel level in a fuel system. A comparative fuel probe is associated with the fuel system and includes a capacitive probe assembly configured to provide a comparative capacitive reading, and a float assembly configured to provide a comparative float reading. A comparator is configured to receive the comparative capacitive reading and to receive the comparative float reading, and to determine a corrective factor based at least in part on the comparative capacitive reading and the comparative float reading. A set of capacitive probes is associated with the fuel system. The fuel level in the fuel system is determined by comparing each local capacitive reading from each capacitive probe in the set of capacitive probes with the corrective factor.

Abstract: A fuel-level detection system is configured to determine a fuel level in a fuel system. A comparative fuel probe is associated with the fuel system and includes a capacitive probe assembly configured to provide a comparative capacitive reading, and a float assembly configured to provide a comparative float reading. A comparator is configured to receive the comparative capacitive reading and to receive the comparative float reading, and to determine a corrective factor based at least in part on the comparative capacitive reading and the comparative float reading. A set of capacitive probes is associated with the fuel system. The fuel level in the fuel system is determined by comparing each local capacitive reading from each capacitive probe in the set of capacitive probes with the corrective factor.

Abstract: The interaction of an animal and an object is controlled by causing a surface of the object to reflect light with a wavelength that induces a response by the animal.

Abstract: A system for optically detecting an object comprises a light source associated with the object and operated to produce a temporal pattern of emissions and a detector, synchronized to the operation of the light source by signals from a global positioning system, to identify light emissions according to the temporal pattern.

Abstract: A system for optically detecting an object comprises a light source associated with the object and operated to produce a temporal pattern of emissions and a detector, synchronized to the operation of the light source by signals from a global positioning system, to identify light emissions according to the temporal pattern.

Abstract: A hazard avoidance system for a vehicle utilizes data related to a location of a collision threat, conditions at the location, and vehicle operating parameters to select a light illumination routine that is optimal to attract the attention of and repel a collision hazard.

Abstract: A hazard avoidance system for a vehicle utilizes data related to a location of a collision threat, conditions at the location, and vehicle operating parameters to select a light illumination routine that is optimal to attract the attention of and repel a collision hazard.

Abstract: An anti-collision system is provided to enhance the conspicuousness of an aircraft to a second aircraft presenting a collision threat. When the computer of an airborne Traffic Collision Avoidance System (TCAS) designates a second proximately located aircraft as a collision threat a traffic advisory is issued. A light controller responds to a traffic advisory signal from the TCAS computer by illuminating one or more of the aircraft's external lighting systems. TCAS II systems can also issue resolution advisory when the intruder poses a more immediate threat. A resolution advisory signal from the TCAS computer can be used to alter the lighting systems being activated or the rate of flashing to make the aircraft more noticeable. Alternating illuminating and obscuring of landing lights, taxi lights, deicing lights, strobe lights or rudder illumination lights enhances the conspicuousness of the aircraft to the crew of a second aircraft seeking to avoid a collision.