Adaptive ringtone detector
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United States of America Patent
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Jul 15, 2014
Grant Date -
Sep 19, 2013
app pub date -
Sep 12, 2012
filing date -
Dec 23, 2008
priority date (Note) -
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Abstract
A communications system and a method of detecting and learning new ringtones in an automatic manner, comprising a desk phone (1), a hook switch, a ringtone detector (3), and a communications device (2). In a first embodiment a mechanical hook switch device is connected to the desk phone (1), and in a second embodiment an electronic hook switch unit (9) is connected to the desk phone (1). The ringtone detector (3) adaptively sets the filter and amplifier parameters according to the sensor position and pick-up sensitivity. The ringtone detector (3) automatically detects and learns the characteristics of new ringtones. The communications device (2) may comprise a base station (6) and a headset (7).
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