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A warning indication system and method of using the same in conjunction with a cargo door of an aircraft. The cargo door is positionable in an opened position; a closed position; a closed and latched position; and a closed, latched, and locked position. The method includes outputting first and secon

A warning indication system and method of using the same in conjunction with a cargo door of an aircraft. The cargo door is positionable in an opened position; a closed position; a closed and latched position; and a closed, latched, and locked position. The method includes outputting first and second closed signals when the cargo door is in the closed position; outputting first and second latched signals when the cargo door is in the closed and latched position; and outputting first and second locked signals when the cargo door is in the closed, latched, and locked position. All of the signals are then analyzed to positively determine the position of the cargo door, while minimizing the probability of false indications. Various warnings are generated in response to the combination of signals received. The apparatus employs a dual logic system and redundant sensors to provide differing warnings dependent on the phase of flight.

대표청구항 ▼

A warning indication system and method of using the same in conjunction with a cargo door of an aircraft. The cargo door is positionable in an opened position; a closed position; a closed and latched position; and a closed, latched, and locked position. The method includes outputting first and secon

A warning indication system and method of using the same in conjunction with a cargo door of an aircraft. The cargo door is positionable in an opened position; a closed position; a closed and latched position; and a closed, latched, and locked position. The method includes outputting first and second closed signals when the cargo door is in the closed position; outputting first and second latched signals when the cargo door is in the closed and latched position; and outputting first and second locked signals when the cargo door is in the closed, latched, and locked position. All of the signals are then analyzed to positively determine the position of the cargo door, while minimizing the probability of false indications. Various warnings are generated in response to the combination of signals received. The apparatus employs a dual logic system and redundant sensors to provide differing warnings dependent on the phase of flight. ne or more resonators include dielectric materials. 47. The method of claim 37, wherein said filter is a multi-resonator filter for use in a wireless communication base-station transceiver. 48. A filter comprising: a plurality of resonators coupled together, at least one of the plurality of resonators being a HTS resonator, and at least two of said plurality of resonators having known different values of unloaded Q, at least two of said plurality of resonators have known different intermodulation intercept point values and wherein said resonators are coupled in series and said known different unloaded Q values and intermodulation intercept point values are selected so as to reduce intermodulation distortion. 49. The filter of claim 48 wherein said resonators coupled in series include a first resonator, said first resonator being the resonator to first encounter an input signal and having a high intermodulation intercept point value. 50. The filter of claim 49 wherein said high intermodulation intercept point value is greater than approximately