Hand held telephone set and audio processing method

Details Hand held telephone set and audio processing method Hand held telephone set and audio processing method

2005-11-01

2005-11-01

Le, Huyen (Department: 2643)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S575200, C381S074000

Reexamination Certificate

active

06961591

ABSTRACT:
A handheld telephone set used by connecting a dual-ear mount type or single-ear mount type earphone that automatically sets an optimal signal level of an ambient sound according to the earphone type used, provided with: a telephone set main body unit, a detection device for detecting which type of earphone is mounted to the telephone set main body unit, an amplifier for amplifying the ambient sound to be delivered to the earphone, and a control device for controlling a signal level of the ambient sound output from the amplifier according to an output of the detection device. When either of these earphones is mounted, the control device controls the signal level of the ambient sound output from the amplifier to be fed back according to an output of the detection device.

REFERENCES:
patent: 4132861 (1979-01-01), Frieder, Jr. et al.
patent: H417 (1988-01-01), Miles
patent: 5099514 (1992-03-01), Acree
patent: 5243659 (1993-09-01), Stafford et al.
patent: 5535433 (1996-07-01), Kurokawa et al.
patent: 5647011 (1997-07-01), Gravis
patent: 5655025 (1997-08-01), Kim et al.
patent: 5966438 (1999-10-01), Romesburg
patent: 6374126 (2002-04-01), MacDonald et al.
patent: 6594366 (2003-07-01), Adams
patent: 6605038 (2003-08-01), Teller et al.
patent: 6728374 (2004-04-01), Takeda
patent: 6748085 (2004-06-01), Yang
patent: 2001/0049471 (2001-12-01), Suzuki et al.
patent: 2002/0024450 (2002-02-01), Townsend et al.
patent: 2002/0188214 (2002-12-01), Misczynski et al.
patent: 0290415 (1988-11-01), None
patent: 0495653 (1992-07-01), None
patent: 0976360 (2000-02-01), None
patent: 58-190107 (1983-07-01), None
patent: WO 99/11047 (1999-03-01), None
patent: WO 00/42797 (2000-07-01), None

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