Communication system for transmitting to a portable receiver dat

Details Communication system for transmitting to a portable receiver dat Communication system for transmitting to a portable receiver dat

1990-10-22

1992-10-27

Dwyer, James L.

Telephonic communications

Having light wave or ultrasonic link for speech or paging...

Including fiber optic link within telephone network

379 67, 379100, H04M 1100

Patent

active

051596245

ABSTRACT:
A communication system is disclosed having a portable radio called receiver and a communication apparatus for calling this receiver. The portable radio called receiver includes a display and a tone generating circuit. The communication apparatus includes a determination circuit, a control circuit, a voice signal recording device, a facsimile device, a memory, and a data processing circuit. The determination circuit determines whether a signal entered through a telephone line is a facsimile signal or a voice signal. The memory stores display data indicating the reception of an image signal, display data indicating the reception of a voice signal, and telephone number data of the portable radio called receiver. The control circuit is responsive to the output of the determination circuit to select one of the plurality of display data stored in the memory. The data processing circuit modulates the calling number of the portable radio called receiver and the selected display data and transmits the same on the telephone line. With such a structure, the display of the portable radio called receiver can display whether the received signal of the communication apparatus is an image signal or a voice signal.

REFERENCES:
patent: 4961216 (1990-10-01), Baehr et al.
patent: 5014296 (1991-05-01), Saigano
CCITT, The International Telegraph and Telephone Consultative Committee recommendations T.0-T.63, "Terminal Equipment and Protocols for Telematic Services", vol. VII-Fascicle VII.3, Melbourne, 14-25 Nov. 1988, pp. 116-117.

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