Ringing tone apparatus

Details Ringing tone apparatus Ringing tone apparatus

1993-12-13

1995-09-19

Hofsass, Jeffery A.

Telephonic communications

Supervisory or control line signaling

Signal reception at substation

379373, 379377, 379252, 379255, H04M 1300

Patent

active

054523540

ABSTRACT:
The present invention relates to a method for generating the ringing tone of a phone and apparatus according to the method. A ringing tone generator (12)is controlled according to a ringing tone sequence by control circuitry (13), and subscriber identification information is stored in a fixed or a detachably connectable nonvolatile memory (10) of the phone. When the phone is switched on, the microprocessor (13) reads from a subscriber identification information memory (10) of the phone at least some of the subscriber identification information, calculates on the basis thereof the values for ringing tone parameters (1, . . . ,6) describing the ringing tone sequence, and stores them in a ringing tone parameter memory (11). When receiving a page to the phone, the control circuitry (13) reads from the ringing tone parameter memory (11) the values of the parameters (1, . . . , 6) describing the ringing tone sequence, generates a ringing tone sequence on the basis of the parameter values (1, . . . , 6) and of a program stored in the phone, and controls according there to the ringing tone generator (12), the generator now generating a ringing tone according to the ringing tone sequence. The invention is particularly appropriate for mobile phones, which usually include data, depending on the system, either about the phone number or the subscriber number (MSIN).

REFERENCES:
patent: 4477697 (1984-10-01), Judd et al.
patent: 4866766 (1989-09-01), Mitzlaff
patent: 4962527 (1990-10-01), Burns et al.
patent: 5361296 (1994-11-01), Reyes et al.
Echo des Recherches No. 139, 1990, Issy/Molineaux, FR pp. 13-20 P. Jolle et al. "Une Application de la d'Identite d'Abonne du Radiotelephone Numerique Europeen".
Patent Abstracts of Japan vol. 12, No. 60 (E-584) 23 Feb. 1988 & JP-A-62 203 434 (NEC Corp.) 8 Sep. 1987.
Patent Abstracts of Japan vol. 11, No. 396 (E-568) 24 Dec. 1987 & JP-A-62 157 451 (NEC Corp.) 13 Jul. 1987.
Finnish Office Action issued on priority Finnish application 925808 filed 21 Dec. 1992.
English translation of Finnish Office Action.

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