Portable mobile unit

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.

1 - 15 . (canceled)  
   
   
       16 . A portable mobile unit, comprising: 
 a sound generator which generates a ringing sound in accordance with plurality of patterns including a first pattern and a second pattern;    a number memory which stores a plurality of telephone numbers;    a number selector which selects a telephone number from the plurality of telephone numbers; and    a controller being configured to control said sound generator and generate a ringing sound of the first pattern if the number of incoming calls received from a given telephone number without having been answered is less than a predetermined number, and generate a ringing sound of the second pattern if the number of incoming calls received from the given telephone number without having been answered is equal to or greater than the predetermined number,    wherein the given phone number is one from the plurality of telephone numbers stored in the number memory.    
   
   
       17 . A portable mobile unit according to  claim 16 , further comprising: 
 a counter which counts how many times incoming calls are received from the given telephone number without having been answered.    
   
   
       18 . A portable mobile unit according to  claim 16 , wherein said sound generator has a plurality of sound sources.  
   
   
       19 . A portable mobile unit according to  claim 18 , wherein said sound generator generates the ringing sound using at least two of said sound sources.  
   
   
       20 . A portable mobile unit, comprising: 
 a sound generator which generates a ringing sound in accordance with plurality of patterns including a first pattern and a second pattern;    an input portion which inputs a telephone number; and    a controller which controls said sound generator so as to generate a ringing sound of the first pattern if the number of calls received from the inputted telephone number without having been answered is less than a predetermined number, and to generate a ringing sound of the second pattern if the number of calls received from the inputted telephone number without having been answered is equal to or more than the predetermined number.    
   
   
       21 . A portable mobile unit according to  claim 20 , further comprising: 
 a counter that is configured to count the number of times calls are received from a given telephone number.    
   
   
       22 . A portable mobile unit according to  claim 20 , wherein said sound generator has a plurality of sound sources.  
   
   
       23 . A portable mobile unit according to  claim 22 , wherein said sound generator generates the ringing sound by combining at least two of said sound sources.  
   
   
       24 . A portable mobile unit, comprising: 
 a sound generator which generates a ringing sound in accordance with plurality of patterns including a first pattern and a second pattern; and    a controller being configured to control said sound generator and generate a ringing sound of the first pattern if the number of incoming calls received from a given telephone number without having been answered is less than a predetermined number, and generate a ringing sound of the second pattern if the number of incoming calls received from the given telephone number without having been answered is equal to or greater than the predetermined number,    
   
   
       25 . A portable mobile unit according to  claim 24 , further comprising: 
 a counter that is configured to count the number of times calls are received from a given telephone number.    
   
   
       26 . A portable mobile unit according to  claim 24 , wherein said sound generator has a plurality of sound sources.  
   
   
       27 . A portable mobile unit according to  claim 26 , wherein said sound generator generates the ringing sound by combining at least two of said sound sources.