Telephone apparatus, modem device, computer apparatus, and commu

Details Telephone apparatus, modem device, computer apparatus, and commu Telephone apparatus, modem device, computer apparatus, and commu

1997-12-02

2000-02-01

Loomis, Paul

Telephonic communications

Telephone line or system combined with diverse electrical...

Having transmission of a digital message signal over a...

379 9305, 37910012, H04M 1100

Patent

active

060211849

ABSTRACT:
In a telephone apparatus, a modem device, a computer apparatus and a communication terminal device, the connection to different kinds of communication networks is realized with a simple structure. A data input/output device for converting a received analog signal into reception digital data to be supplied to a computer apparatus and for converting transmission digital data which is sent from the computer apparatus into an analog signal to be transmitted, a sound input/output device for inputting and outputting sound based on an output sound signal and an input sound signal, and a connection switching device for connecting the telephone circuit to the sound input/output device in the case of connecting to another telephone apparatus and, in the case of connecting to another computer apparatus, for connecting the computer apparatus to the sound input/output device are provided, and in addition, an output sound signal extracted by the computer from the reception digital data is outputted from the sound input/output device and an inputted input sound signal is converted into transmission digital data by the computer apparatus, so that sound can be inputted and outputted via a common sound input/output device in the case of connecting to another telephone apparatus or another computer apparatus.

REFERENCES:
patent: 4578537 (1986-03-01), Faggin et al.
patent: 4740963 (1988-04-01), Eckley
patent: 5535204 (1996-07-01), Li
patent: 5822406 (1998-10-01), Brown
patent: 5852654 (1998-12-01), Song

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