Device for connecting ear-microphone to mobile phone through...

Details Device for connecting ear-microphone to mobile phone through... Device for connecting ear-microphone to mobile phone through...

2003-06-11

2008-03-04

Tsang, Fan (Department: 2614)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C379S420040

Reexamination Certificate

active

07340284

ABSTRACT:
Disclosed is a device for connecting an ear-microphone to a mobile phone through an interface connector of the mobile phone. The phone includes a codec which has hands-free-kit audio transmission and reception terminals connected to the interface connector. A controller includes first and second interrupt terminals which are used for detecting whether the ear-microphone plug is connected, and whether a call connection/termination key of the ear-microphone is activated, respectively. A first voltage drop detector detects a first voltage drop at the corresponding connection path when the ear-microphone plug is connected through the interface connector, and outputs a first interrupt signal to the first interrupt terminal. A second voltage drop detector detects a second voltage drop at the corresponding connection path when the call connection/termination key is activated with the ear-microphone plug being connected, and outputs a second interrupt signal to the second interrupt terminal.

REFERENCES:
patent: 5504812 (1996-04-01), Vangarde
patent: 5832075 (1998-11-01), Gancarcik
patent: 5978689 (1999-11-01), Tuoriniemi et al.
patent: 6792291 (2004-09-01), Topol et al.
patent: 6889043 (2005-05-01), Okazaki et al.
patent: 6922473 (2005-07-01), Turnbull
patent: 2002/0177474 (2002-11-01), Oliveira
patent: 2003/0104835 (2003-06-01), Douhet

Affiliated with

Also associated with

Rating

Device for connecting ear-microphone to mobile phone through... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Device for connecting ear-microphone to mobile phone through..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Device for connecting ear-microphone to mobile phone through... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3980197