Automatic dialing device and auxiliary dialing device for a tele

Details Automatic dialing device and auxiliary dialing device for a tele Automatic dialing device and auxiliary dialing device for a tele

1995-01-11

1996-06-18

Chan, Jason

Telephonic communications

Supervisory or control line signaling

Substation originated

379354, 379356, 379 93, H04M 1100, H04M 100

Patent

active

055286810

ABSTRACT:
An automatic dialing device is provided, which receives the telephone number of a party to be called by forwarding a call and which performs dialing automatically. The automatic dialing device has a connection detection circuit which detects the connect condition of a telephone, a storage command forming circuit which forms a number storage command when the telephone number of a party to be called is sent when the connection detection circuit detects the connect condition, a number storage circuit which stores the telephone number sent together with a transmission instruction signal When the number storage command is issued from the storage command forming circuit, a calling command circuit which, after detection of the connect condition by the connection detection circuit, causes the telephone to call the number stored in the number storage circuit at least one time, and an erasure circuit which erases the contents of the memory of the number storage circuit after the connection condition is established by the calling operation performed by the calling command circuit.

REFERENCES:
patent: 5099507 (1992-03-01), Mukai et al.
patent: 5101427 (1992-03-01), Kotani et al.
patent: 5280516 (1994-01-01), Jang

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