Telephone device having customized ring capability

Details Telephone device having customized ring capability Telephone device having customized ring capability

1988-09-06

1989-09-12

Dwyer, James L.

Telephonic communications

Supervisory or control line signaling

Signal reception at substation

379373, H04M 100

Patent

active

048667668

ABSTRACT:
A telephone set incorporates a conventional keypad to allow the user to program a custom ring tone and pattern into the telephone set. After such programming is established, when the telephone set detects a ring signal from the central switching station, a ringer is activated and deactivated according to the programmed ringing parameters so as to provide a truly customized ring signal to the user.

REFERENCES:
patent: 3255292 (1966-06-01), Park
patent: 4217805 (1980-08-01), Tamada
patent: 4344345 (1982-08-01), Sano
patent: 4454796 (1984-06-01), Inone et al.
patent: 4480153 (1984-10-01), Festa
patent: 4662262 (1987-05-01), Matsumoto
patent: 4674383 (1987-06-01), Suzuki
"Electronic Telephone Circuits", Motorola Semiconductor Master Selection Guide and Catalog, 1988, p. 76.

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