Communication apparatus using telephone network

Details Communication apparatus using telephone network Communication apparatus using telephone network

1997-12-09

1999-09-14

Eisenzopf, Reinhard J.

Telephonic communications

Telephone line or system combined with diverse electrical...

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

379 9301, 379 9305, H04M 1100

Patent

active

059533951

ABSTRACT:
A communication apparatus for use with a telephone network is provided that includes a DCE controller that controls first and second switches to convert modes based on a transmission/reception state. A mode detector determines whether an applied signal is a voice signal or a data signal. First and second buffers are enabled based on a detection signal from the mode detector to respectively transmit a ring signal or the data signal. A modem controller receives an output signal of the second buffer through the second switch. The DCE controller can receive and apply to an internal processor the output signal from the second buffer via the MODEM controller. Further, an indicator unit that receives the output signal of the second buffer illuminates a light or generates a beeping sound for notification of a received dated signal. Alternatively, a ring generator generates a ring signal for a telephone for a received voice signal. Thus, the communication apparatus enables a user to determine whether to use a telephone set or a facsimile machine or the like, for telephone reception by providing indications that identify the kinds of incoming phone calls.

REFERENCES:
patent: 5042028 (1991-08-01), Ogawa
patent: 5317629 (1994-05-01), Watanabe
patent: 5493609 (1996-02-01), Winseck, Jr. et al.
patent: 5715066 (1998-02-01), Kurita et al.
patent: 5717744 (1998-02-01), Yoshida et al.

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