JP2007259275A - Method and device for registering nickname at communication terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a method of acquiring a partner's nickname that changes with a change in human relations or the passage of time from a communication terminal without a complicated operation performed by a user and updating the memory dial of communication terminals, and to provide a communication terminal capable of achieving the above method. <P>SOLUTION: The control unit 1 of the communication terminal 100 compares a proper noun extracted from data, which are transmitted by a communication unit 2, with nicknames that are produced from information stored in a memory dial 10, selects one of them as a partner's nickname, and registers it on the memory dial 10. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a technique for registering a memory dial in a terminal based on information included in data to be transmitted in a communication terminal such as a mobile phone.

  A communication terminal such as a mobile phone has a memory dial for storing information of a communication partner in order to simplify the operation of the terminal. In the memory dial, classification (category) information of a communication partner, registration number, telephone number, mail address, name, and the like can be registered. The user of the terminal can make a call and send without entering a telephone number or a mail address by searching this memory dial to specify a communication partner when making a call or sending a mail. Conversely, when receiving an incoming call or mail from a communication partner, the communication terminal searches the memory dial using the other party's phone number or mail address included in the received information, and if the registered information is found, that communication partner Can be displayed on the display unit.

  At this time, there is a case where a nickname is used as a registered name in order to be familiar with the communication partner. A technique for using a nickname for a communication terminal is disclosed in Patent Document 1, for example. Also, Patent Document 2 discloses a method for registering a nickname in a terminal by selecting from a pre-registered keyword group or inputting with a keyboard or the like.

JP 2000-92183 A JP 2003-298617 A

  However, in the techniques described in Patent Documents 1 and 2, the registered name of the communication partner that the communication terminal uses when making a call or receiving a call changes once the name of the other party changes due to a change in the user's personal relationship. However, it was not possible to respond automatically. For this reason, whenever the name of the communication partner changes, the user has to change the registered name of the memory dial and input it one by one. In addition, in order to simplify the operation of changing the registered name, there is also a method of adding a suffix that is familiar, such as “san” and “chan”, but it is difficult to match the original name, and the original name If the registered name is registered as “Mr. △△”, there is a problem that a name that is not normally used is generated, such as “Mr. △△”.

  Accordingly, an object of the present invention is to provide a method for appropriately acquiring a nickname of a partner that changes with changes in human relations or the passage of time and updating a memory dial, and a communication terminal that implements the method.

  In order to solve the above problems, a communication terminal according to the present invention includes a communication unit that transmits data to a communication partner, a memory dial that stores information on the communication partner, a nickname management unit that creates a nickname from the memory dial, A proper noun management unit that extracts a proper noun included in data transmitted from the communication unit, and compares the extracted proper noun with the created nickname, and selects one of them as a partner nickname, and the memory dial And a control unit to be registered.

  The communication terminal according to the present invention includes a communication unit that transmits data to a communication partner, a memory dial that stores information on the communication partner, and a memory partner that has a communication partner serving as a data transmission destination in the memory dial. A nickname management unit that creates a nickname from dial name information, a proper noun management unit that extracts a proper noun included in data transmitted from the communication unit and counts the number of appearances thereof, and the created proper noun A control unit that compares nicknames and selects a nickname with the largest value calculated based on the number of appearances of the extracted proper nouns when there is a match, and registers the nickname in the memory dial. .

  In the communication terminal according to the present invention, the data to be transmitted may be an electronic mail.

  A communication terminal according to the present invention creates a nickname from a call unit that makes a call with a communication partner, a voice call management unit that converts the voice of the call into text, a memory dial that stores information on the communication partner, and the memory dial The nickname management unit, the proper noun management unit that extracts the proper nouns included in the textified speech, the extracted proper noun and the created nickname are compared, and one of them is selected as a partner nickname. And a control unit registered in the memory dial.

  A communication terminal according to the present invention includes a call unit that makes a call with a communication partner, a voice call management unit that converts the voice of the call into text, a memory dial that stores information on the communication partner, and a call destination in the memory dial. A nickname management unit that creates a nickname from the name information of the memory dial, a proper noun management unit that extracts a proper noun included in the textified speech and counts the number of appearances thereof, Compare the extracted proper noun with the created nickname, and if there is a match, select the nickname with the largest value calculated based on the number of appearances of the extracted proper noun as the partner nickname and register it in the memory dial And a control unit.

  In the communication terminal according to the present invention, the proper noun management unit may extract proper nouns from data transmitted in the past certain number of times or during a certain period and count the number of appearances.

  In the communication terminal according to the present invention, when the information of the communication partner exists in the memory dial and the category or group to which the communication partner belongs permits registration of a nickname, the nickname management unit creates a nickname. May be.

  The communication terminal according to the present invention may confirm registration with the user of the terminal when registering the selected nickname in the memory dial.

  In the communication terminal according to the present invention, the nickname management unit may use a nickname dictionary describing a plurality of nickname candidates instead of creating a nickname from a registered name.

  In the nickname registration method according to the present invention, in a communication terminal having a communication unit that transmits data to a communication partner, information on the communication partner is stored, a nickname is created from the stored information, and the data transmitted from the communication unit is transmitted to the data. The contained proper noun is extracted, the extracted proper noun is compared with the created nickname, and one of them is selected as a partner nickname and registered in the memory.

  The nickname registration method according to the present invention is a communication terminal having a communication unit for making a call with a communication partner, storing information of the communication partner, creating a nickname from the stored information, converting the voice of the communication unit into text, A proper noun included in the voiced text is extracted, the extracted proper noun is compared with the created nickname, and one of them is selected as a partner nickname and registered in the memory.

  According to the present invention, it is possible to appropriately acquire the nickname of the other party that changes with changes in human relationships or with the passage of time. Further, it is possible to reduce the trouble of changing the nickname of the memory dial. The reason is that the proper noun management unit of the communication terminal extracts proper nouns contained in the data transmitted by the user, the nickname management unit generates nicknames based on the memory dial information, and the control unit extracts the proper nouns This is because the noun and the generated nickname are compared, and one of them is selected as a new nickname of the communication partner, and this new nickname is registered in the memory dial.

  Next, the best mode for carrying out the present invention will be described in detail with reference to the drawings. FIG. 1 is a block diagram showing a configuration of a communication terminal according to the first embodiment of the present invention. The communication terminal 100 is a mobile phone, a PDA, or the like, and the user of the terminal confirms the display content of the display unit 12 of the communication terminal 100 and operates the operation unit 13 to perform voice calls and mails with other communication terminals. And data communication such as image and sound.

  The control unit 1 controls each unit shown below to instruct execution of processing. Further, the control unit 1 determines the next process to be performed based on the processing result of each unit, the acquired data, or the extracted data. The communication unit 2 communicates with a terminal or a base station outside the communication terminal 100 via a wired or wireless network 21, and transmits and receives data such as voice calls, mails, images, and voices.

  The mail management unit 3 creates a mail. In addition, information such as received mail, transmitted mail, and mail to be transmitted is stored in the mail storage unit 7. In addition, the mail management unit 3 acquires information stored in the mail storage unit 7. The proper noun management unit 4 extracts a proper noun written in the mail text from the mail acquired by the mail management unit 3 and stores the extracted proper noun in the proper noun data storage unit 8. Further, it counts how many times this extracted proper noun appears in the mail text and stores it in the proper noun data storage unit 8. Further, for each proper noun, a point used as a reference for determining a nickname is calculated and stored in the proper noun data storage unit 8. Then, the candidate with the highest point is acquired as a nickname. The nickname management unit 5 creates a plurality of nickname candidates (hereinafter referred to as nickname data) for the name based on the name information such as the registered name of the memory dial and the reading obtained by the memory dial management unit 6, and the nickname Store in the storage unit 9. Also, the nickname data stored in the nickname storage unit 9 is acquired. The memory dial management unit 6 searches for information of a communication partner stored in the memory dial 10 and acquires information. The information of the communication partner includes a telephone number, an e-mail address, a registered name, and a reading. In addition, information is added to, updated, or deleted from the memory dial 10.

  The mail storage unit 7 stores the received mail, the transmitted mail, and the mail that is being created to be transmitted. Each mail includes information such as a mail address of a transmission source or a transmission destination, a subject, a mail text, a time of transmission or reception. The proper noun data storage unit 8 stores the proper noun extracted by the proper noun management unit 4, the number of appearances of the proper noun, and points used for determining the nickname. The nickname data storage unit 9 stores the nickname data created by the nickname management unit 5. The memory dial 10 stores the communication partner classification (category) information, registration number, telephone number, mail address, registered name, reading, etc. for each communication partner. The network 11 represents a wired or wireless network outside the communication terminal 100.

  The display unit 12 displays information on the memory dial 10 and various settings of the communication terminal 100. In addition, contents operated by the user using the operation unit 12 can be displayed. A plurality of display units 12 may exist in the communication terminal 100. The operation unit 13 is used when the user operates the communication terminal 100 and is a button, a touch panel, or the like.

  Next, the overall operation of the embodiment of the present invention will be described in detail with reference to the flowchart of FIG. First, when the transmission of mail to the communication partner terminal is completed, the control unit 1 controls the mail management unit 3 and acquires the destination mail address of the transmitted mail from the mail stored in the mail storage unit 7 ( Step S01). Next, the control unit 1 controls the memory dial management unit 6 to search whether the acquired mail address is registered in the memory dial 10 (step S02). If not registered, the process ends. If registered, the memory dial management unit 6 acquires name information such as a registered name and a reading of the communication partner (step S03). Next, using the name information, the control unit 1 controls the nickname management unit 5 to create nickname data (data of a plurality of nicknames) and store it in the nickname data storage unit 9 (step S04). Next, the control unit 1 controls the mail management unit 3 and the proper noun management unit 4 to extract proper nouns written in the mail body of the transmitted mail, and the extracted proper nouns to the proper noun data storage unit 8. Store. Further, it counts how many times the proper noun appears in the body of the mail, and stores the number of appearances in the proper noun data storage unit 8 (step S05). In addition, since there are many methods (for example, Unexamined-Japanese-Patent No. 2002-183133) about the method of specifying a proper noun, description is abbreviate | omitted here.

  The control unit 1 controls the proper noun management unit 4 and the nickname management unit 5 to compare whether the proper noun extracted in step S05 is included in the nickname data storage unit 8 created in step S04 (step S06). If it is included, the determined value (for example, 10 points) is multiplied by the number of appearances of the proper noun and stored as a total point in the proper noun data storage unit 8 (step S07). If it is not included, no points are calculated. Steps S06 to S07 are repeated for all extracted proper nouns. The proper noun management unit 4 compares the points of each proper noun in the proper noun data storage unit 8 and acquires the proper noun having the highest point as a nickname (step S09). If there are multiple proper nouns with the highest points, the proper noun that appears first in the mail text is taken as the nickname. If a nickname cannot be acquired because no proper noun is added with points or no proper noun has reached a certain point, the process is terminated (step S10). When the nickname can be acquired, the control unit 1 controls the memory dial management unit 6 to update the corresponding nickname in the memory dial 10 (step S11).

  Next, a specific embodiment will be described with reference to FIG. For example, it is assumed that the user of the terminal sends an email as shown in FIG. 3 to hanako@aaa.bbb.ccc. Further, it is assumed that the communication terminal 100 registers data as shown in FIG. 4 in the memory dial 10 in advance.

  First, when the transmission of the mail is completed, the control unit 1 controls the mail management unit 3, and from the mail stored in the mail storage unit 7, the destination mail address of the transmitted mail is hanako@aaa.bbb.ccc. Is acquired (step S01). Next, the control unit 1 controls the memory dial management unit 6 to search whether or not the acquired mail address hanako@aaa.bbb.ccc is registered in the memory dial 10 (step S02). Here, the corresponding mail address is registered in the registration number 001. The memory dial management unit 6 acquires the registered name of the communication partner with the registration number 001, name information such as Yomi, that is, “Hanako Yamada” and “Hanako Yamada” (step S03). Next, using this name information, the control unit 1 controls the nickname management unit 5 to create nickname data and store it in the nickname data storage unit 9 (step S04).

  Nickname data is created based on the registered name and Yomi name information. For example, a surname, a name is abandoned, or a suffix is used when calling someone like “san”, “chan”, “kun”, a surname, part of a name, or a suffix when calling a person Use a surname, a part of the name, add a sound like “-“, “a”, “t”, or add a suffix when calling people. Others are Yomi converted to Hiragana and Suffix converted to Katakana and Kanji. Here, for the registered name, Yomi, the abbreviations when calling the names “Yamada”, “Yamada”, the names “Hanako”, “Hanako” or calling people like “san”, “chan”, “kun” Attaching the last name “Yamada” “Yamada”, part of the names “Hanako” “Hanako”, “Yama” “Yama” “Hana” “Hana”, or the last name when calling people, Use “ya” and “ha”, which are part of the name, to add an extension sound such as “−“, “a”, or “tsu”, or add a suffix when calling a person. Here, it is assumed that the nickname data shown in FIG. 5 has been created.

  Next, the control unit 1 controls the mail management unit 3 and the proper noun management unit 4 to extract proper nouns written in the mail body of the transmitted mail, and the extracted proper nouns are stored in the proper noun data storage unit 8. Store. Further, how many times the proper noun appears in the text of the mail is counted and stored in the proper noun data storage unit 8 (step S05). Here, four proper nouns of “Hana-chan”, “Taro-kun”, “○ × Yakinikuya”, “Tamachi” are extracted, and the number of appearances is 2, 1, 1, 1 in order, A result like 6 is stored in the proper noun data storage unit 8.

  The control unit 1 controls the proper noun management unit 4 and the nickname management unit 5, and the proper nouns “Hana-chan”, “Taro-kun”, “○ × Yakinikuya”, “Tamachi” extracted in step S05 are created in step S04. It is compared whether it is included in the nickname data shown in FIG. 5 (step S06). Since “Hana-chan” is included in the nickname data, the proper noun management unit 5 multiplies the predetermined value (10 points) by 2 that is the number of appearances, and stores 20 points in the point column. . Next, the nickname management unit 4 compares “Taro-kun” with the nickname data created in step S04. Since there is no match in the nickname data, the points are not updated. The same comparison is made for “Ox Yakinikuya” and “Tamachi”. As a result, the proper noun management unit 4 stores the result as shown in FIG. 7 in the proper noun data storage unit 8.

  The proper noun management unit 4 compares the points of each proper noun in the proper noun data storage unit 8 and acquires “Hana-chan” having the highest point as a nickname (step S09). Then, the nickname column of the registration number 001 that matches the destination mail address hanako@aaa.bbb.ccc of the memory dial 10 is updated to “Hana-chan”. This completes the series of nickname registrations.

  Next, assume that the user of the terminal sends an email to yamamoto@aaa.bbb.ccc. When the transmission of the mail is completed, the control unit 1 controls the mail management unit 3 to obtain yamamoto@aaa.bbb.ccc that is the destination mail address of the transmitted mail from the mail stored in the mail storage unit 7 (Step S01). Next, the control unit 1 controls the memory dial management unit 6 to search whether the acquired mail address yamamoto@aaa.bbb.ccc matches the mail address of each communication partner registered in the memory dial 10 ( Step S02). Here, since this data is not registered in the memory dial 10, the process is terminated.

  In the first embodiment, a nickname is acquired from the body of an email. However, by applying it to a communication terminal capable of making a voice call such as a telephone or a videophone, the contents of the call are converted into text by voice recognition, and a proper noun is extracted therefrom. A similar nickname registration process can be performed. FIG. 8 is a block diagram showing a configuration of a communication terminal in the second embodiment according to the present invention. Description of parts having the same names as in FIG. 1 is omitted.

  The voice call management unit 21 receives a user's voice input. Further, the input voice is converted into text by voice recognition, and the converted text is stored in the voice text storage unit 22. Furthermore, the voice call management unit 21 acquires the telephone number of the other party. The voice text storage unit 22 stores the voice text created by the voice call management unit 21.

  Next, the operation of the second embodiment will be described in detail with reference to the flowcharts of FIGS. First, when a voice call is started, the control unit 1 controls the voice call management unit 21 to acquire a connection destination telephone number (step S20). Next, the control unit 1 controls the memory dial management unit 6 to search whether the acquired telephone number is registered in the memory dial 10 (step S21). If not registered, the process ends. If registered, the memory dial management unit 6 obtains name information such as the registered name and reading of the other party that matches the telephone number (step S22). Next, from the name information, the control unit 1 controls the nickname data storage unit 5, creates nickname data, and stores it in the nickname data storage unit 9 (step S23). Next, the control unit 1 controls the voice call management unit 21 to convert the input voice into text and store it in the voice text storage unit 22. When the call is finished, the proper noun is extracted from the voiced text stored in the voice text storage unit 22 and the number of appearances is counted (step S25). Thereafter, the same processing as in FIG. 2 is performed to obtain a nickname.

  A specific embodiment will be described. For example, it is assumed that “090xxxxxxxx” is telephone-connected. It is assumed that the data in FIG. 4 is registered in the memory dial 10 in advance.

  When starting the voice call, the control unit 1 controls the voice call management unit 21 to acquire the telephone number “090xxxxxxxx” of the connection destination (step S20). Next, the control unit 1 controls the memory dial management unit 6 to search whether this telephone number “090xxxxxxxx” is registered in the memory dial 10 (step S21). Here, the corresponding call partner is registered in the registration number 001. The memory dial management unit 6 obtains name information such as a registered name of the call partner with the registration number 001 and a reading, that is, “Hanako Yamada” and “Hanako Yamada” (step S22). Next, using the name information, the control unit 1 controls the nickname data management unit 5 to create nickname data and store it in the nickname data storage unit 9 (step S23). Here, it is assumed that nickname data as shown in FIG. 5 is created.

When a call with the other party starts, the control unit 1 controls the voice call management unit 21 to convert the user's voice into text and store it in the voice text storage unit 22. Here, it is assumed that the following voice is input from the user to the voice call management unit 21. "Hana-chan, Hello. To next Saturday, I go to eat Taro-kun us and rice, Hana also go? Shop is the grilled meat shop that ○ × Yakinikuya. Place is a place of about five minutes from the building of Tamachi . "
When the call ends, the control unit 1 controls the proper noun management unit 4 and the voice call management unit 21 to extract proper nouns from the voice text stored in the voice text storage unit 22 and count the number of appearances ( Step S25). FIG. 6 shows the proper noun data storage unit 8 that has finished extracting proper nouns and counting the number of appearances. The flow after step S26 is the same as that in the first embodiment, and as a result, “Hana-chan” is acquired as the nickname.

  According to the second embodiment, an appropriate nickname can be acquired even during a voice call.

  In Example 1 and Example 2, points were calculated using 10 points as the values when the proper noun extracted by the proper noun extraction unit 4 is included in the nickname data. The value may be changed. For example, give a high score to a nickname that you think is more familiar, such as “XX”-10 points, “XX-chan”-20 points, “XX (discard)”-50 points, A score is given for each nickname data. Then, this score is stored in the nickname data storage unit 9. Then, when multiplying the number of appearances, the number assigned to each nickname is used.

  According to the third embodiment, a more friendly nickname can be assigned to the communication partner.

  In the first and second embodiments, proper nouns are extracted for a single transmitted mail or call. However, mails and calls that have been transmitted a certain number of times or for a certain period, such as the past five times or the last week. A proper noun may be extracted for, and a nickname may be acquired.

  According to the fourth embodiment, a proper noun and the number of appearances are acquired from a lot of data, so that a more appropriate nickname can be acquired.

  In the first embodiment and the second embodiment, nickname registration processing (steps S01 to S11) is performed for all the opponents, but depending on information such as the category and group of the communication partner registered in the memory dial 10, It may be determined whether or not to perform the nickname registration process. For example, “friends”, “company”, “hospital”, “store”, etc. are prepared as categories and groups, and information on the communication partner is registered in the memory dial 10 for each category. If the category of the communication partner acquired from the memory dial 10 is “friend”, the control unit 1 performs subsequent processing (after step S03), and otherwise ends the subsequent nickname registration processing. Which category or group is the target of the nickname registration process may be determined in advance or set by the user.

  According to the fifth embodiment, nickname registration processing can be performed only for a communication partner who wants to give a nickname, and terminal processing can be reduced for a partner who does not need a nickname.

  In Example 1 and Example 2, after creating the nickname database from the name information acquired from the memory dial 10, the extraction of proper nouns in the mail text and the count of the number of appearances are performed, but the processing order is changed, Before creating the nickname database, proper nouns in the mail text may be extracted.

  According to the sixth embodiment, when the proper nouns cannot be extracted, the subsequent processing can be omitted, so that the processing of the terminal can be reduced.

  In the first and second embodiments, when the nickname is acquired, the memory dial is automatically updated. When the acquired nickname is different from the currently registered nickname, confirmation is made to the terminal user. You may go. If the user agrees to confirm, the memory dial is updated.

  According to the seventh embodiment, when the acquired nickname is against the user's intention, the update of the memory dial can be stopped.

  In Example 1 and Example 2, nickname data was created using suffixes such as “san” and “chan” using name information such as the registered name of the memory dial, and Yomi. The described nickname dictionary may be prepared and used by storing it in the nickname data storage unit.

  According to the eighth embodiment, the process of creating a nickname based on the registered name and the name information of the reading can be omitted. In addition, since various nickname data can be prepared in advance in the nickname dictionary, the range of nickname selection is widened, and it is possible to cope with the nickname epidemic that accompanies changes in the times.

It is a block diagram of the communication terminal which concerns on embodiment of this invention. It is a flowchart which shows the operation | movement which updates a nickname in the communication terminal which concerns on embodiment of this invention. It is the figure which illustrated the mail transmitted in the communication terminal which concerns on embodiment of this invention. It is the figure which illustrated the memory dial in the communication terminal which concerns on embodiment of this invention. It is a figure which illustrates nickname data in the communication terminal which concerns on embodiment of this invention. In the communication terminal which concerns on embodiment of this invention, it is a figure which illustrates the extraction proper noun data stored in a proper noun data storage part. In the communication terminal which concerns on embodiment of this invention, it is a figure which illustrates the extraction proper noun data after point calculation. It is a block diagram which shows the communication terminal which concerns on Example 2 of this invention. In the communication terminal which concerns on Example 2 of this invention, it is a flowchart which extracts a proper noun from an audio | voice and updates a nickname.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Control part 2 Communication part 3 Mail management part 4 Proper noun management part 5 Nickname management part 6 Memory dial management part 7 Mail storage part 8 Proper noun data storage part 9 Nickname data storage part 10 Memory dial 11 Network 12 Display part 13 Operation part 21 Voice Call Management Unit 22 Voice Text Storage Unit 100 Communication Terminal

Claims (11)

A communication unit that transmits data to a communication partner, a memory dial that stores information on the communication partner, a nickname management unit that creates a nickname from the memory dial, and a proper noun included in data transmitted from the communication unit A communication terminal comprising: a proper noun management unit that compares the extracted proper noun with the created nickname, selects one of them as a partner nickname, and registers it in the memory dial. Creates a nickname from the name information of the memory dial when there is a communication unit that transmits data to the communication partner, a memory dial that stores information on the communication partner, and a communication partner that is the data transmission destination in the memory dial The nickname management unit that performs the comparison, the proper noun management unit that extracts the proper noun included in the data transmitted from the communication unit and counts the number of appearances thereof, the extracted proper noun and the created nickname are compared, and matches And a control unit that selects a nickname having the largest value calculated based on the number of appearances of the extracted proper noun as an opponent nickname and registers it in the memory dial. The communication terminal according to claim 1, wherein the data to be transmitted is an electronic mail. A call part for making a call with a communication partner, a voice call management part for converting the voice of the call into text, a memory dial for storing information on the communication partner, a nickname management part for creating a nickname from the memory dial, and the text A proper noun management unit that extracts proper nouns included in the converted speech, and compares the extracted proper nouns with the created nickname, selects one of them as a partner nickname, and registers it in the memory dial And a communication terminal. When there is a communication partner that makes a call with a communication partner, a voice call management unit that converts the voice of the call into text, a memory dial that stores information on the communication partner, and a communication partner that is a communication partner in the memory dial, The nickname management unit that creates a nickname from the name information of the memory dial, the proper noun management unit that extracts the proper nouns included in the texted speech and counts the number of appearances thereof, the extracted proper nouns and the created Communication with a control unit that compares nicknames and selects a nickname with the largest value calculated based on the number of appearances of the extracted proper noun as a counterpart nickname when there is a match, and registers it in the memory dial Terminal. 6. The proper noun management unit according to claim 2, wherein the proper noun management unit extracts proper nouns from data transmitted during a predetermined number of times or during a predetermined period, and counts the number of appearances thereof. The communication terminal according to item 1. The nickname management unit creates a nickname when the information of the communication partner exists in the memory dial, and the category or group to which the communication partner belongs permits registration of a nickname. The communication terminal according to any one of 1 to 6. The communication terminal according to any one of claims 1 to 7, wherein when the selected nickname is registered in a memory dial, confirmation is made with a user of the terminal. The communication terminal according to any one of claims 1 to 8, wherein the nickname management unit uses a nickname dictionary in which a plurality of nickname candidates are described instead of creating a nickname from a registered name. In a nickname registration method in a communication terminal having a communication unit that transmits data to a communication partner, information on the communication partner is stored, a nickname is created from the stored information, and a proper noun included in the data transmitted from the communication unit is A nickname registration method comprising: extracting, comparing the extracted proper noun with the created nickname, selecting one of them as a partner nickname and registering it in a memory. In a nickname registration method in a communication terminal having a call part for making a call with a communication partner, information on the communication partner is stored, a nickname is created from the stored information, the voice of the call part is converted into text, and the text is converted into the voice A nickname registration method, comprising: extracting proper nouns contained therein, comparing the extracted proper nouns with the created nicknames, selecting one of them as a partner nickname, and registering it in a memory.

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