Method for testing an audio communication system of an air-craft, and aircraft having an audio communication system

In a method for testing an audio communication system of an aircraft, it is detected whether a jack plug of a headset is plugged into a jack of the audio communication system. Subject to the condition that no jack plug is detected, an electrical connection is made between an audio output of the jack...

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Hauptverfasser:	Heinisch, Matthias, Bauer, Hans-Achim
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CURRENT COLLECTORS DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LINE CONNECTORS LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS TELEPHONIC COMMUNICATION
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creator	Heinisch, Matthias Bauer, Hans-Achim
description	In a method for testing an audio communication system of an aircraft, it is detected whether a jack plug of a headset is plugged into a jack of the audio communication system. Subject to the condition that no jack plug is detected, an electrical connection is made between an audio output of the jack and a microphone input of the jack by means of a test bridge circuit provided for at the jack. Furthermore, a test input signal is applied to an audio input connected to the audio output of the jack, and a test output signal is tapped off at a microphone output connected to the microphone input of the jack. The test output signal is used to ascertain a functional state of the audio communication system. Furthermore, an aircraft having an audio communication system is described.
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subjects	BASIC ELECTRIC ELEMENTS CURRENT COLLECTORS DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LINE CONNECTORS LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS TELEPHONIC COMMUNICATION
title	Method for testing an audio communication system of an air-craft, and aircraft having an audio communication system
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