Terminal connecting device having an auto data receiving functio

Details Terminal connecting device having an auto data receiving functio Terminal connecting device having an auto data receiving functio

1992-07-15

1995-08-29

Kuntz, Curtis

Telephonic communications

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

Including fiber optic link within telephone network

379 61, H04M 1100

Patent

active

054467829

ABSTRACT:
A terminal connecting device having an automatic data reception feature provides an interface between a radiotelephone and a data terminal device such as a facsimile machine without the need for modifying the specifications of the radiotelephone. By selecting an automatic data reception mode, a telephone subscriber may cause an incoming facsimile call to be engaged by the data terminal device without further subscriber intervention. The radiotelephone is connected to a communication network via a radio line and has connections for voice, call signaling information, and power. The radiotelephone includes switching means for selectively switching between a voice path and a data path, the latter being provided to the terminal connecting device. The terminal connecting device includes means, responsive to a calling signal from the radiotelephone, for controlling the data terminal device by converting the calling signal into a receive signal for the data terminal device and transferring the receive signal to the data terminal device. When the data terminal device responds after having changed to a data reception mode, a signal is generated to the terminal connecting device, which is subsequently transferred to the radiotelephone to selectively switch the data path to the data terminal device. A power booster is also disclosed which boosts a voltage supplied from the radiotelephone to power the data terminal device through the terminal connecting device.

REFERENCES:
patent: 4881129 (1989-11-01), Mitsuhashi
patent: 4977609 (1990-12-01), McClure
patent: 4991201 (1991-02-01), Tseng
patent: 5109541 (1992-04-01), Park
patent: 5200991 (1993-04-01), Motoyanagi
patent: 5282238 (1994-01-01), Berland

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