Patent ID: 6047049
Filing Date: 2000-04-04
Classification: G05B

Abstract:
A multi-function audio system, comprising:a digital clock which has an alarm function and displays the current time;an audio circuit for outputting the current audio signal to a speaker, according to a switching state of a switching section;a speaking circuit for outputting a ring signal through the speaker according to a switching state of the switching section under the control of a controlling section, and connecting a telephone call when a user wants to speak;an interphone circuit for controlling the switching state of the switching section to output a bell signal through the speaker when an interphone call button is pushed, and connecting an interphone call to a caller when the user wants to speak; anda ring signal detecting section for detecting a ring signal supplied from the speaking circuit;wherein the switching section varies its switching state under the control of the controlling section, to supply the output of the audio circuit, speaking circuit and interphone circuit to the speaker; andthe controlling section receives the signal detected by the ring signal detecting section, controls the switching of the switching section to output the ring signal applied from the speaking circuit to the speaker, and controls the switching state of the switching section according to a key command supplied from a key input section.