Boots – shoes – and leggings
Patent
1980-09-30
1983-08-23
Gruber, Felix D.
Boots, shoes, and leggings
364579, 73 1E, G06F 1520, G06J 100
Patent
active
044007892
ABSTRACT:
A magnetic heading signal simulator that simulates the analog electrical signals representative of magnetic heading produced by a conventional flux value of an aircraft and provides the simulated signals to the magnetic heading reference system of the aircraft for test purposes receives digitally-encoded information representative of a desired value of heading and a rate at which that heading is to be reached. The simulator includes a logic circuit that receives the digital heading information from a programmable digital computer and assembles the heading value information in a form compatible with the input of a digital-to-synchro converter in accordance with the provided rate information. The digital-to-synchro converter decodes the digital information and provides an output simulative of a three-wire synchro signal representative of the desired heading value. The digital-to-synchro conversion circuitry also includes circuitry for developing an excitation signal compatible with the aircraft magnetic heading reference system and simulative of the excitation signal provided by the aircraft's flux valve.
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Carpenter Dennis O.
Ceola Robert E.
Gruber Felix D.
The Boeing Company
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