Audio input-output module, plug-in device detection module...

Details Audio input-output module, plug-in device detection module... Audio input-output module, plug-in device detection module...

2011-03-29

2011-03-29

Chin, Vivian (Department: 2614)

Electrical audio signal processing systems and devices

Monitoring/measuring of audio devices

C700S094000

Reexamination Certificate

active

07916875

ABSTRACT:
A plug-in device detection module includes a measurement signal generator for generating a measurement signal. A port coupler couples the measurement signal to a selected plug-in receptor of a plurality of plug-in receptors, generates an input/output signal and generates a port signal in response to the measurement signal. A reference signal generator generates a reference signal based on the input/output signal, the reference signal having a plurality of reference signal values. A detection module detects a plug-in device type of a plug-in device coupled to the selected plug-in receptor, based on the reference signal and the port signal.

REFERENCES:
patent: 6970752 (2005-11-01), Lim et al.
patent: 7038499 (2006-05-01), Toosky
patent: 7167569 (2007-01-01), Seven
patent: 2004/0081099 (2004-04-01), Patterson et al.

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