KR20060057423A - Portable communication terminal having last call log and method thereof - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable communication terminal, and more particularly, to a mobile communication terminal having a recent call list in which unnecessary telephone numbers are not stored and a method thereof.

A portable wireless terminal having a recent call list according to the present invention includes a storage unit for temporarily storing a recent phone number in a recent call list, an input unit for operating a keypad for making a call by selecting or entering the phone number; And a display unit for displaying the phone number and a controller for controlling the phone number not to be stored or stored according to a preset condition in the recent call list of the storage unit.

Portable wireless terminal, recent call list, temporary phone number storage

Description

Portable wireless terminal having recent call list and method thereof {Portable communication terminal having last call log and method

1 is a perspective view showing the main part of the mobile communication terminal according to an embodiment of the present invention to control the temporary storage of calls and received phone numbers in the recent call list.

FIG. 2 is a block diagram illustrating a main part of controlling the temporary storage of calls and received telephone numbers in a recent call list in a mobile communication terminal according to an embodiment of the present invention.

FIG. 3 is a flowchart illustrating a processor of a method in which a mobile telephone terminal according to an embodiment of the present invention is controlled to selectively store incoming and outgoing telephone numbers in a recent call list.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable communication terminal, and more particularly, to a mobile communication terminal having a recent call list in which unnecessary telephone numbers are not stored and a method thereof.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable communication terminal, and more particularly, to a mobile communication terminal and a method for reducing memory waste by deleting unnecessary telephone numbers among telephone numbers stored in a recent call list.

In general, a mobile communication system of a portable wireless terminal sends a call message including a unique number of the portable wireless terminal through a call channel of a base station to call the portable wireless terminal, and when a response comes from the specified portable wireless terminal, It is a system that enables a call between a receiver and a receiver.

The above-described portable wireless terminal includes a control unit for controlling the overall operation of the terminal, an interface unit for interfacing various data input and output between the various components and the control unit connected to the control unit, the data is stored It is composed of a storage unit to enable various types of data communication as well as voice calls between the sender and the receiver.

In addition, the portable wireless terminal has an image display unit composed of an image display device such as an LCD for displaying the state of the wireless terminal so that the user can visually identify the user. We are trying to use communication.

In addition, most mobile communication terminals currently on the market are provided with a storage unit for inputting a phone number necessary for making a voice call, so that a user can enter and store a required phone number.

Here, when storing a specific phone number in the mobile communication terminal, after inputting the phone number to be stored, specify a certain memory number and enter the recipient name of the phone number to store in the phone book of the storage unit provided in the mobile communication terminal do.

In addition, the mobile communication terminal having the above-described configuration, in addition to the phone number directly stored in the storage unit of the mobile communication terminal, temporarily stores in the storage unit the telephone number details that are sent or received while using the mobile communication terminal for a predetermined time. The temporary stored call and reception history are provided in the form of a recent call list including a recent call number list and a recent call number list.

When the user of the mobile communication terminal wants to send a communication signal, the user can select a phone number to be sent from the phone book or a recent call list stored in the storage unit or directly input a phone number through the input unit to send a communication signal. .

Here, when the user of the mobile communication terminal transmits the communication signal by the above-described method, if the communication signal is transmitted to the selected or input telephone number and the communication signal is connected with the base station, the base station checks whether the telephone number is a valid telephone number. If the telephone number is a valid telephone number, the call is connected, but if the telephone number is an invalid telephone number, the message is disconnected and a signal is disconnected.

Herein, the existing mobile communication terminal stores the telephone number selected or entered by the user regardless of whether the telephone number is a valid telephone number or a valid telephone number in the recent call list.

Therefore, the conventional mobile communication terminal has the inconvenience of storing unconditionally even the phone number that does not need to be stored in the recent call list, and there is a problem of unnecessary waste of the limited capacity of the mobile communication terminal memory.

In addition, when a user selects a phone number temporarily stored in a recent call list and transmits a communication signal, the user may mistakenly select the temporarily stored invalid phone number. In this case, the current call is terminated and a valid phone number is reset again. There is a problem in that the time required for transmitting the communication signal to the intended telephone number becomes long due to the transmission of the communication signal.

Accordingly, an object of the present invention is to provide a mobile communication terminal having a recent call list in which unnecessary telephone numbers are not stored.

In addition, the provision of the recent call list to provide a method for reducing the memory capacity of the recent call list having a limited capacity by not temporarily storing the invalid phone number.

In order to achieve the above object, a portable wireless terminal having a recent call list according to the present invention includes a storage unit for temporarily storing a recent phone number in a recent call list and a phone number for selecting or inputting a call. And an input unit for operating a keypad, a display unit for displaying the phone number, and a control unit for controlling the phone number to be stored or not stored in a recent call list of the storage unit according to a preset condition.

According to the configuration as described above, unnecessary phone numbers are not stored in the storage unit, so that there is an effect of providing a mobile communication terminal without wasting memory.

In addition, a method of preventing unnecessary telephone numbers from being stored in a recent call list includes a step of transmitting a communication signal by selecting or inputting an outgoing telephone number and transmitting a communication signal, and whether the telephone number is a valid number in a base station that has received the telephone number. A phone number confirmation step of confirming, a call connection attempt step of attempting to make a call connection at the base station according to the result confirmed in the confirmation step, and after the call connection attempt step, a condition that is previously set in the recent call list of the storage unit It is characterized in that it comprises a step of determining whether to store or not stored according to the phone number storage.

According to this method, the memory capacity of the recent call list having a limited capacity can be reduced by preventing temporary storage of invalid telephone numbers in the storage unit.

Hereinafter, a mobile phone terminal according to a preferred embodiment of the present invention with reference to the accompanying drawings in more detail as follows.

1 is a perspective view showing the main part of the mobile communication terminal according to an embodiment of the present invention to control the temporary storage of calls and received phone numbers in the recent call list, Figure 2 is a mobile communication according to an embodiment of the present invention This is a block diagram showing the main part of the terminal to control the temporary storage of outgoing and incoming phone numbers in the recent call list.

As shown in the figure, the portable terminal according to the present invention is hingedly coupled to a cover part 1 having an image display device module 9 and a speaker device 7a on a main body part 3 having all of the basic arithmetic functions. It is coupled to the connecting portion 7 consisting of a coupling means such as to form a body portion 5 which is the appearance of the mobile communication terminal.

The main body 3 includes all of the arithmetic function devices required for basic arithmetic functions of a mobile communication terminal, such as a control unit 25, an interface unit 23, a storage unit 26, a duplexer 15, a transmitter 21, and the like. It performs the basic functions of the mobile communication terminal.

In addition, the main body unit 3 and the cover unit 1 includes a microphone device 7b having a microphone for demodulating a user's voice signal into an electrical data signal, and demodulates the received wireless signal into a voice signal. An audio device (7) composed of a speaker device (7a) for outputting is provided so as to enable a wireless voice call of a user of a wireless terminal.

In addition, the main body unit 3 has an input unit for inputting letters and numbers or special characters and various symbols, and a keypad 13 is installed in front of the main body unit 3 so that a user inputs a short message to the mobile terminal. It is formed to input by operating the provided keypad (13).

The main body 3 is provided with a function keypad 11 including a direction button 11a, a menu button 11b, a confirmation button 11c, and the like, and the phone number is operated by operating the function keypad 11. To be input, edited or deleted in the storage unit 26.

On the front of the cover portion 1 of the body portion 5 of the mobile communication terminal having such a configuration, a phone number input through the keypad 13, or each of the input phone number is controlled by the function keypad 11 The image display module 9 is provided and mounted so that the step can be directly confirmed by the eyes of the user.

A liquid crystal display (LCD) module may be typically applied to the mounted image display module 9, but in addition, organic electroluminescence (EL), plasma display panel (PDP), and fluorescent display Of course, a flat panel display module such as a vacuum fluorescent display (VFD) may be applied.

In addition, the storage unit 26 includes a phone book in which a plurality of telephone numbers directly input by a user are permanently stored, and a user of a mobile communication terminal such as a recent calling number list (B) or a recently received number list (A) has been recently called. Called and received phone number list is stored in the form of recent call list (C) and stored temporarily.

As described above, the phone number temporarily stored in the recent call list (C) can be re-selected from the recent call list (C) when it needs to be re-sented later, and can be stored permanently in the phone book if necessary. .

When a user of the mobile communication terminal inputs or selects a specific phone number to transmit a communication signal or receives a communication signal including a caller's number, the corresponding phone number is the same as the existing mobile communication terminal. B) or the latest received number list (A).

Operation control, such as selectively storing a phone number in the recent call list (A) of the mobile communication terminal having the above-described configuration, or permanently storing the selectively stored phone number in the phone book. It is controlled by the control part 25 with which the terminal was equipped.

However, the mobile communication terminal according to the present invention particularly transmits an invalid telephone number or a valid telephone number sent by a user, but a telephone number which is not received by the other party, or a valid telephone number is transmitted or received so that a communication signal is connected. Unnecessary calls and incoming phone numbers that do not need to be stored in the recent call list (C), such as phone numbers whose communication signals are disconnected within seconds, are not stored in the recent call list (C).

Herein, a method of controlling the control unit 25 to selectively store telephone numbers received and received in the mobile communication terminal according to the present invention in the recent call list A will be described in detail with reference to FIG. 3. .

FIG. 3 is a flowchart illustrating a processor of a method in which a mobile telephone terminal according to an embodiment of the present invention is controlled to selectively store incoming and outgoing telephone numbers in a recent call list.

As shown in the figure, the method of selectively storing the originating and receiving telephone numbers in the recent call list in the mobile communication terminal according to the embodiment of the present invention is as follows.

First, a communication signal transmission step (S300) of transmitting a communication signal by selecting or inputting an outgoing telephone number in the standby mode of the mobile communication terminal is performed.

When transmitting a communication signal including an outgoing telephone number in the communication signal transmission step (S300), the communication signal is transmitted to a base station to confirm whether the outgoing telephone number is a valid number from the base station (S310) Go through).

According to the result confirmed in the checking step, the base station goes through a call connection step (S320) for connecting a call to the caller number if the phone number is a valid phone number, but the phone number is not a valid phone number. In the case of leaving the message indicating that the outgoing telephone number is the wrong number (S330) by cutting off the communication signal to terminate the current call (S350b).

Here, when the communication signal is terminated because the phone number is not a valid phone number (S350b), the outgoing telephone number is not stored in the recent call list of the mobile communication terminal according to the present invention (A).

After the call connection step (S320) in which a call is connected to the valid phone number, it is determined whether the communication signal is connected within a predetermined time (S340), and if the communication signal is not connected for a predetermined time. The voice mail is switched to or the current call ends (S350a).

Here, even when the call is not connected for a predetermined time or switched to a voice mailbox or the current call is terminated (S350a), as described above, the outgoing telephone number is also in the recent call list of the mobile communication terminal according to the present invention. It is not stored (A).

However, when the call is connected to the receiver within a predetermined time, it is determined whether the connected call is disconnected within a predetermined time (S360), and when the connected call is not disconnected within the predetermined time, a voice call step (S370) is performed. .

After the voice call step (S370), the receiver does not answer the call, thereby switching to the voicemail mode in which the voice message can be left in the voicemail box of the receiver, or the user randomly terminates the current voice call step (S370) (S390). )

Here, after the current voice call step (S370) is completely terminated (S390), the outgoing telephone number is stored in the recent call list (B).

Although the preferred embodiments of the present invention have been described above, the present invention is not limited thereto, and various modifications and changes can be made within the scope of the claims and the detailed description of the invention and the accompanying drawings. Naturally, it belongs to

As described above, the portable wireless terminal according to the present invention particularly provides a mobile communication terminal having a recent call list in which unnecessary telephone numbers are not stored so that invalid telephone numbers are not temporarily stored so that recent calls have a limited capacity. This can reduce the memory capacity of the list.

Claims (4)

A storage that temporarily stores a recent phone number in the recent calls list; An input unit for operating a keypad for making a call by selecting or inputting the telephone number; A display unit displaying the telephone number; And a controller for controlling the phone number not to be stored or stored according to a preset condition in the recent call list of the storage unit. The method of claim 1, The preset condition is that when the communication base station determines that the outgoing telephone number is not a valid number when an outgoing call is attempted, the communication base station determines that it is a valid number but the call connection fails or the communication base station determines that it is a valid number. Portable wireless terminal having a recent call list, characterized in that any one of when the call is disconnected within a predetermined time. A communication signal transmission step of transmitting a communication signal by selecting or inputting an outgoing telephone number; A telephone number verification step of confirming whether the telephone number is a valid number by a base station receiving the telephone number; A call connection attempt step of attempting a call connection by the base station according to the result confirmed in the checking step; After the call connection attempt step, determining whether or not to store the phone number according to a preset condition in the recent call list of the storage unit; determining whether to store the phone number; How to save a phone number in. The method of claim 3, The preset condition is that when the communication base station determines that the outgoing telephone number is not a valid number when an outgoing call is attempted, the communication base station determines that it is a valid number but the call connection fails or the communication base station determines that it is a valid number. Portable wireless terminal having a recent call list, characterized in that any one of when the call is disconnected within a predetermined time.

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