Dialing apparatus

Details Dialing apparatus Dialing apparatus

1993-12-29

1996-09-17

Zele, Krista M.

Telephonic communications

Supervisory or control line signaling

Substation originated

379368, 379356, 379 52, H03M 1110

Patent

active

055576710

ABSTRACT:
A dialing apparatus for transmitting a dial signal to a communication line comprises a numerical input key, a generator for generating an audible sound according to the depression of the numerical input key, a transmitter for transmitting a dial signal according to the depression of the numerical input key to the communication line at an independent timing from the generation of the audible sound, a memory to store the data according to the numerical value of the depressed key, an instruction key to instruct the transmitter to transmit the dial signal according to the data stored in the memory, and a second instruction key to instruct the generator to generate the audible sound according to the data stored in the memory. A double stage type switch may be used as a numerical input key. When the switch at the first stage of the double stage type numerical input key is turned on, the audible sound according to the numerical key is generated. When the switch at the second stage is turned on, the dial signal according to the numerical key is transmitted to the line.

REFERENCES:
patent: 4947423 (1990-08-01), Watanabe
patent: 5140632 (1992-08-01), Anten
patent: 5311175 (1994-05-01), Waldman

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