Portable mobile unit

Details Portable mobile unit Portable mobile unit

2005-08-09

2005-08-09

Maung, Nay (Department: 2684)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S418000

Reexamination Certificate

active

06928306

ABSTRACT:
A portable mobile unit for alerting on incoming of a signal by a ringing sound, comprises: a ringing sound generator for generating the ringing sound in a plurality of patterns; and a controller for controlling operations of the portable mobile unit, wherein the controller select one pattern from the a plurality of patterns based on conditions which are set up in advance, when the signal comes in, so as to control the ringing sound generator to generate the ringing sound for alerting a user of the incoming call, thereby providing the portable mobile unit being superior in the usability, with which various conditions can be grasped by means of change in the ringing sound when the telephone call comes in, while achieving the discrimination of the ringing sound for alerting of the incoming call.

REFERENCES:
patent: 5563951 (1996-10-01), Wang et al.
patent: 5771001 (1998-06-01), Cobb
patent: 5870684 (1999-02-01), Hoashi et al.
patent: 6175721 (2001-01-01), Hayato
patent: RE37281 (2001-07-01), Motegi
patent: 6308086 (2001-10-01), Yoshino
patent: 6463278 (2002-10-01), Kraft et al.
patent: 2001/0051536 (2001-12-01), Muramatsu
patent: 2003/0110928 (2003-06-01), Yamaki et al.

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