Portable telephone set usable as a paging receiver for remote no

Details Portable telephone set usable as a paging receiver for remote no Portable telephone set usable as a paging receiver for remote no

1997-06-06

1999-03-02

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

455575, 455458, 455 382, H04B 726

Patent

active

058783547

ABSTRACT:
A portable telephone set for transmitting and receiving signals has an alarm element for generating an alarm signal in response to a preassigned call signal. The alarm element can be selectively put into a silent mode without generation of a ringing tone. The telephone set comprises a main unit for transmitting and receiving the signals containing the call signal, and a subunit, remote from and coupled to the main unit either electronically or by a cable, for mutually communicating with the main unit. The subunit receives the alarm signal when the alarm element is in the silent mode and produces an indication at the subunit that the main unit has received a preassigned call signal. The subunit can also include means for sending commands to the main unit.

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