KR20020085568A - communication terminal for turnning possibility consecutively searching telephone number about the same person and method thereof - Google Patents

Abstract

PURPOSE: A communication terminal and method capable of a consecutive phone number search for an identical receiver is provided to attempt a communication connection through a selected phone number among a plurality of searched phone numbers, to easily search for another number when the communication connection fails, and to reattempt a call connection to the searched number. CONSTITUTION: A communication terminal comprises a key input part(10), a control part(20), a display part(30), the first memory part(40), and the second memory part(50). The key input part(10) includes a plurality of key buttons. The control part(20) controls the communication terminal according to a control signal inputted from the key input part(10). The first memory part(40) stores telephone number information. The second memory part(50), if telephone number information corresponding to an identification code based on a combination of inputted keys is searched, stores this searched telephone number information.

Description

Communication terminal for turnning possibility consecutively searching telephone number about the same person and method

The present invention relates to a communication terminal and a communication method capable of searching a phone number, and more particularly, to a communication terminal and a communication method capable of performing a communication connection by searching a plurality of phone numbers for the same receiver.

In general, there is a function for storing the necessary phone number and retrieve the stored phone number in the wired and wireless telephone used in the home as well as a wireless personal portable terminal.

The personal mobile terminal is provided with a memory so that the user can store information including the necessary telephone number and the name of the recipient. When searching for a phone number with the personal portable terminal, the user searches for a phone number by inputting a name corresponding to the phone number of the receiver using a provided key button (not shown).

On the other hand, a plurality of telephone numbers retrieved for the same recipient are stored with the same identification code. Here, the plurality of phone numbers for the same recipient may be, for example, a home phone number, a company representative phone number, an office phone number, a mobile phone number, and the like.

In this way, when a plurality of telephone numbers are searched for the same recipient, a telephone number is arbitrarily selected from the plurality of telephone numbers, and a communication connection is attempted. When a user is absent or unable to make a call despite several phone rings, the user may have to search again by using a key button on the phone number for the recipient who was retrieved before the call connection attempt. Among the plurality of phone numbers searched for above, a call is attempted by selecting another phone number except a phone number corresponding to a call connection failure. At this time, if the call connection fails, the phone number search is repeatedly performed to attempt the call connection using another phone number.

As such, if a call connection is attempted by selecting the receiver's home phone number from the retrieved phone numbers, the call is attempted through the telephone line connected to the receiver's home. At this time, in order to attempt to make a call to the office phone number or the mobile phone of the same receiver in the absence of the receiver, the hassle of having to search the phone number through the identification code of the receiver using the key button again.

Searching a phone number using such a mobile phone may cause more problems when an emergency situation occurs.

An object of the present invention for solving the above problems is to use a communication terminal, such as a personal mobile terminal, to search for a pre-stored phone number to attempt a communication connection through a selected phone number of a plurality of retrieved phone numbers, communication The present invention provides a communication terminal and a communication method for easily retrying a call connection by easily retrieving a phone number other than a phone number corresponding to a communication connection failure among the retrieved phone numbers.

1 is a block diagram showing a communication terminal capable of continuous search of a telephone number for the same receiver according to a preferred embodiment of the present invention;

2 is a diagram illustrating a personal portable terminal to which FIG. 1 is applied;

3 is a diagram illustrating displayable consonants and vowels for each number button of the character input key of FIG. 2;

4 is a view showing in detail the function of the edit key of FIG.

5 to 10 are views showing a state displayed on the display unit to correspond to the telephone number search of FIG.

11 is a flowchart illustrating a communication method using a communication terminal according to the present invention.

Explanation of symbols on the main parts of the drawings

10: key input unit 12: edit key

14: character input key 20: control unit

30: display unit 40: first memory unit

50: second memory unit 80: communication unit

82 transmission unit 84 transmission and reception separation unit

86 antenna 88 receiver

In order to achieve the above object, a phone capable of continuously searching phone numbers for the same receiver according to the present invention includes a first memory and a plurality of key buttons storing at least one phone number and an identification code corresponding to the phone number. A control unit for retrieving at least one telephone number corresponding to an identification code formed by a combination of key buttons input from the key input unit, a second memory unit for storing information about the retrieved telephone number from the control unit, and And a display unit for displaying at least one telephone number among information on the telephone number.

The control unit may be configured to display at least one phone number of information on the phone number stored in the second memory unit when a predetermined key button signal of the key buttons is input after a call connection to one of the searched phone numbers fails. By using the key input unit, one of the telephone numbers displayed on the display unit can be selected.

The key input unit has a character input key provided for inputting an identification code and a telephone number, and an editing key for performing additional functions other than the function by the character input key. Preferably, the predetermined key button is one of the editing keys.

The edit key includes a search key for searching a registered phone number, a search key for switching a search mode, a registration key for registering and storing a phone number input by a text input key, and a call to a corresponding phone number among phone numbers displayed on a display unit. A call key for connection and an end key for terminating the sending and / or receiving signal for the busy signal to the telephone number and the missed signal to the telephone number.

On the other hand, the communication method using a communication terminal according to the present invention for achieving the above object is a first step of searching for a telephone number corresponding to the identification code input according to the user input, at least one of the retrieved telephone numbers A second step of displaying a phone number, a third step of connecting a call to a selected phone number among the displayed phone numbers, and a fourth step of redisplaying at least one of the retrieved phone numbers when the call connection fails in the third step; It is characterized by.

At this time, the communication method of the present invention preferably further comprises a re-call connection step of retrying the call connection to the selected phone number of the phone number re-displayed by the fourth step. In the case of a call failure in the re-call connection step, it is preferable to perform the fourth step again.

According to the present invention, by storing the telephone number searched according to the key button input of the key input unit of the telephone numbers stored in the first memory unit in the second memory unit, when a call connection failure for the selected telephone number among the retrieved telephone numbers By inputting a signal according to the selection of the key button, the phone number stored in the second memory unit is displayed through the display unit, whereby one of the phone numbers displayed on the display unit can be selected through the key input unit.

Hereinafter, with reference to the accompanying drawings will be described the present invention in more detail.

1 is a block diagram illustrating a communication terminal capable of continuously searching for a telephone number for the same receiver according to a preferred embodiment of the present invention.

As shown, the communication terminal of the present invention comprises a key input unit 10 having a plurality of key buttons (not shown), a control unit 20 for controlling the communication terminal according to a signal input from the key input unit 10, communication And a display unit 30 for displaying information requiring recognition of the operation of the terminal, and a first memory unit 40 for storing telephone number information. At this time, the first memory unit 40 stores information including at least one phone number and an identification code corresponding thereto. On the other hand, the second memory unit 50 stores the retrieved telephone number information when the telephone number information corresponding to the identification code according to the combination of the input keys of the key input unit 10 is retrieved from the first memory unit 40. .

Here, the phone number information includes a phone number and an identification code corresponding thereto. On the other hand, the identification code is a code corresponding to the telephone number, and corresponds to the telephone number is a code for identifying where the name and telephone number of the receiver can be received in response to the personal information of the receiver. Examples of identification codes include names, street numbers where phone numbers are stored, company names, and personal names. For example, when storing a plurality of telephone numbers for the same recipient, the same name is stored for the receiver but stored using a code that can be identified.

The controller 20 searches for the telephone number corresponding to the identification code formed by the combination of the key buttons input from the key input unit 10 in the first memory unit 40 and displays the retrieved telephone number through the display unit 30. Be sure to At this time, the controller 20 stores information of the receiver including the retrieved telephone number in the second memory unit 50.

If a plurality of telephone numbers are searched and a plurality of telephone numbers are displayed on the display unit 30, a communication connection is attempted by a user's selection signal through the telephone number expected to be connected to the receiver among the displayed telephone numbers. If the communication connection fails even after several beeps, the control unit 20 displays the telephone number stored in the second memory unit 50 through the display unit 30 when a predetermined key button signal is input. do. Accordingly, one of the telephone numbers displayed on the display unit 30 is selected by the user through the key input unit 10 so as to retry a call connection with the receiver.

Referring to the drawing, a transmission request for a telephone number selected by a user and a reception request received from the outside are made through a communication unit 80 connected to the control unit 20. Herein, the communication unit 80 transmits and receives signals from the transmitter 82 which transmits the signal output from the controller 20 to the outside, the transmitter / receiver separator 84 which separates the transmitted signal and the received signal and outputs the signal corresponding to the signal path. The antenna 86 and the receiving unit 88 for outputting a signal received from the antenna 86 to the control unit 20.

FIG. 2 is a front view illustrating a personal portable terminal to which FIG. 1 is applied. As shown, the antenna 86 is attached to the upper end, the display unit 30 for displaying a telephone number is provided in a predetermined region of the upper portion, the key input unit 10 is disposed at the lower end of the display unit 30 have.

In this case, the key input unit 10 includes a character input key 14 provided for inputting an identification code and a telephone number, and an editing key 12 for performing additional functions other than the function of the character input key. Meanwhile, a predetermined key button for displaying the telephone number stored in the second memory 50 again corresponds to the editing key 12.

FIG. 3 is a diagram illustrating an example of consonants and vowels that can be displayed using respective numeric buttons of the character input key 14 of FIG. 2. In the drawings, a phone number may be input through numbers 0 to 9, and a combination of identification codes corresponding to the phone number may be generated through a corresponding character input key 14 of 0 to 9. If you try to write the letter 'hong' out of the identification code 'hong gil dong', it can be formed by combining the key buttons corresponding to 9, 4, 6 sequentially.

4 is a view showing in detail an example of a function for the edit key 12 of FIG. As shown, the G key 12a of the editing keys 12 is a search key for switching the search mode for searching information on the phone number stored in the first memory unit 40, and the D key 12b is a letter. It is a registration key for registering the telephone number and identification code input through the input key (14). In addition, the T key 12c is a call key for selecting a phone number to make a call attempt from among the retrieved phone numbers, and the E key 12d is an end key for searching for a phone number and terminating the call connection. On the other hand, the L key 12e is a selection key for displaying the telephone number before the telephone number attempted to connect to the existing call through the display unit 30 according to the displayed order among the telephone numbers stored in the second memory unit 50, R The key 12f is a selection key for displaying on the display unit 30 a telephone number after the telephone number which has been attempted to make a call using the displayed order among the telephone numbers stored in the second memory unit 50.

5 to 10 are diagrams showing an example of a state displayed through the display unit 30 according to the phone number search and call connection attempt of FIG. According to FIG. 5, the control unit 20 searches for a phone number registered with an identification code of 'Hong Gil Dong' corresponding to the key combination input through the key input unit 10, and displays the retrieved phone number through the display unit 30. do. As shown in FIG. 6, a call connection is attempted by selecting a second mobile phone number from among the plurality of displayed phone numbers and inputting the T key 12c. If the call connection to the cellular phone number fails, transmission of the signal according to the call connection attempt is terminated according to the selection of the E key 12d. In this case, as shown in FIG. 7, a display code corresponding to the L key 12e and the R key 12f is displayed on the display unit 30 so that the telephone number stored in the second memory unit 50 can be retrieved. .

On the other hand, when the L key 12e is selected by the user, as shown in Fig. 8, the telephone number previously recorded is displayed on the display unit 30 in order. In addition, when the R key 12f is selected by the user, as shown in FIG. 9, the telephone numbers recorded subsequently are displayed on the display unit 30 in sequence. 10 shows on the display unit 30 a state of retrying a call connection by selecting a later recorded telephone number from the retrieved telephone numbers.

11 is a diagram illustrating a communication method using a communication terminal according to the present invention. First, the telephone number for the receiver to be registered using the key input unit 10 and the identification code corresponding thereto are stored in the first memory unit 40 according to the selection of the D key 12b as the registration key (S11). . When the stored phone number is to be searched, the G key 12a, which is a search key provided in the key input unit 10, is selected to switch to the search mode. At this time, the user forms an identification code corresponding to the stored telephone number according to the character input key 14 operation of the key input unit 10. The controller 20 searches for a telephone number corresponding to the formed identification code (S12). At this time, the same identification code according to the present embodiment, that is, a plurality of telephone numbers stored in the first memory unit 40 for the same receiver, and therefore a plurality of telephone numbers searched for the same receiver are also plural.

Meanwhile, the controller 20 causes the searched telephone number to be displayed through the display unit 30 and stores it in the second memory unit 50 (S13). When the T key 12c is selected for the call connection among the plurality of phone numbers displayed on the display unit 30, the call connection is attempted to the selected phone number (S14). If a plurality of call connection tones or missed signals are received during the call connection attempt, it is determined that the call connection has failed, and it is determined whether there is a signal according to the call connection failure by the user (S15).

At this time, if it is determined that the call is connected according to the reception response of the receiver, the call is performed. If it is determined that the call connection has failed, the phone number retrieved and stored to correspond to the identification code from the two memory units 50 is searched using the L key 12e and the R key 12f (S16). At this time, the controller 20 displays the retrieved telephone number through the display unit 30. On the other hand, searching for the telephone number stored in the second memory unit 50 using the L key 12e and the R key 12f is sequentially displayed on the display unit 30 when the L key 12e is selected. When attempting an existing call connection, the telephone number displayed in front of the selected telephone number is searched, and when the R key 12f is selected, the telephone numbers displayed in the rear portion are sequentially searched.

If any telephone number is selected from the telephone numbers re-displayed as described above and the T key 12c is input, the call connection is attempted to the selected telephone number according to the input signal (S17). It is determined whether the call connection is successful by retrying the call connection (S18). If it is determined that the call connection is successful, the call is performed with the receiver. However, if it is determined that the re-established call connection has failed, it is determined whether a signal input for continuing connection attempt is performed (S19). If the termination signal for the call connection attempt is input, the telephone number search mode for the same receiver is terminated. On the other hand, to continue the call connection to the same receiver, it is fed back to step S16 to perform the operation in the order.

In the exemplary embodiment of the present invention, the personal portable terminal has been described as an example, but a communication terminal having a display unit 30 capable of displaying information on a phone number, that is, a key phone having a display means and a call are made through a public telephone network. The same applies to wired and wireless telephones.

According to the present invention described above, by storing the telephone number retrieved according to the key button input of the key input unit of the telephone numbers stored in the first memory unit, the call to the selected telephone number from the retrieved telephone numbers When the connection fails, a signal according to the selection of a predetermined key button is input to display a telephone number stored in the second memory unit through the display unit, whereby one of the telephone numbers displayed on the display unit may be selected through the key input unit. Therefore, it is not necessary to re-perform the phone number search for the same receiver due to the call connection failure, thereby bringing time efficiency.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

Claims (6)

A first memory for storing at least one telephone number and an identification code corresponding to the telephone number; A key input unit having a plurality of key buttons; A controller for searching for at least one telephone number corresponding to the identification code formed by a combination of the key buttons input from the key input unit; A second memory unit for storing information about the telephone number retrieved from the controller; And And a display unit displaying at least one of the retrieved phone number information. The controller may be configured to perform at least one of information on the phone number stored in the second memory unit when a predetermined key button signal of the key buttons is input after a call connection to one of the searched phone numbers fails. And displaying a telephone number through the display unit, whereby one of the telephone numbers displayed on the display unit can be selected through the key input unit. The method of claim 1, The key input unit, A text input key provided for inputting the identification code and the telephone number; And And an editing key for performing an additional function other than the function by the character input key. And the predetermined key button is one of the editing keys. The method of claim 2, The edit key, A search key for switching a search mode for searching the registered phone number; A registration key for registering and storing a telephone number input by the character input key; A call key for connecting a call to a corresponding phone number among the phone numbers displayed on the display unit; And And a termination key for terminating the transmission signal for the busy and missed signals to the telephone number. A first step of searching for a telephone number corresponding to an input identification code according to a user input; Displaying the telephone number of at least one of the retrieved telephone numbers; A third step of making a call to a selected phone number among the displayed phone numbers; And And a fourth step of re-displaying at least one of the retrieved phone numbers when the call connection fails in the third step. The method of claim 4, wherein And a re-call connection step of retrying a call connection to a selected phone number of the phone numbers re-displayed in the fourth step. The method of claim 5, And repeating the fourth step when the call is unsuccessful in the re-call connection step.