KR101066621B1 - Method for providing or using a font data, font provide apparatus and communication terminal using a font data - Google Patents

Abstract

According to an aspect of the present invention, a method of providing font data is disclosed. According to an aspect of the present invention, there is provided a method of using font data, the method comprising: receiving a request for providing predetermined font data and usage type information of the font data from a communication terminal connected to the font data providing apparatus and based on the received usage type information; And providing, to the communication terminal, font data in which the usage type is set. According to the present invention, there is an advantage that a basis for generating differential charging data for each type of use is provided by providing font data classified according to the type of use.

Font data, system font, message font, usage type, billing

Description

Method for providing or using a font data, font providing apparatus and communication terminal using a font data}

The present invention relates to a method of providing or using font data, and more particularly, to provide font data in which a usage type is set, and to provide or use font data whose usage is restricted according to the set usage type, an apparatus and a font data providing apparatus. A communication terminal using data.

Recently, with the emergence of various font data that can be applied to text, mobile subscribers tend to express text using unique font data. That is, subscribers wanting to express their personality by applying original font data to text as well as contents such as multimedia data are increasing.

Such font data may be partially applied as applied to text included in a text message, or may be collectively applied to text displayed on a menu or a background screen of a specific terminal. In other words, when the font data is partially used, the case where the font data is used as a whole is divided.

On the other hand, although the user may make and use the font data by itself, in general, the font data is generally downloaded and used. In such a case, the user must pay a fee for downloading the font data.

However, in the related art, although the use type of font data is classified, only one charge is used for downloading.

Therefore, even if a user downloads to use font data only for a text message such as SMS (Short Message Service) or MMS (Multimedia Message Service), there is a problem in that the user pays the same fee as using a system font.

Accordingly, an object of the present invention is to provide a method for providing font data by dividing the font data by use type.

In addition, another object of the present invention is to provide a method of restricting the use of font data according to a set use type.

According to an aspect of the present invention, a method of providing font data is disclosed.

The method of using font data according to an embodiment of the present invention includes the steps of: (a) receiving a request for providing predetermined font data and usage type information of the font data from a communication terminal connected to the font data providing apparatus; and (b) And providing font data with a usage type set to the communication terminal based on the received usage type information.

According to another aspect of the present invention, a communication terminal using font data is disclosed.

According to another embodiment of the present invention, a communication terminal using font data may include an input unit to input a use request of the font data from a user, and a determiner to determine a first use type to use the requested font data. Extracting a second usage type set in font data, and determining whether the first usage type is within a range of the second usage type and the font data requested for use according to the determination result. And a font applying unit for determining whether to apply the text corresponding to the request.

Therefore, the present invention has an effect that can provide the font data divided according to the use type to be the basis of the generation of billing data divided by the use type.

In addition, the present invention has the effect of limiting the use of the font data according to the set use type.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

Terms including ordinal numbers, such as second and first, may be used to describe various components, but the components are not limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the second component may be referred to as the first component, and similarly, the first component may also be referred to as the second component. And / or < / RTI > includes any combination of a plurality of related listed items or any of a plurality of related listed items.

When a component is said to be “connected” or “connected” to another component, it may be directly connected to or connected to that other component, but it may be understood that other components may be present in the middle. Will have to be. On the other hand, when a component is said to be "directly connected" or "directly connected" to another component, it should be understood that there is no other component in between.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms “comprise” or “have” are intended to indicate that there is a feature, number, step, action, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, and the same or corresponding components will be denoted by the same reference numerals regardless of the reference numerals and redundant description thereof will be omitted.

Prior to the detailed description of the drawings, it is intended to clarify that the division of the components in the present specification is only divided by the main function of each component. That is, two or more components to be described below may be combined into one component, or one component may be provided divided into two or more for each function. Each of the components to be described below may additionally perform some or all of the functions of other components in addition to the main functions of the components, and some of the main functions of each of the components are different. Of course, it may be carried out exclusively by. Therefore, the presence or absence of each component described through this specification will be to be functionally interpreted.

The present invention relates to a method of providing font data in which a usage type is set and a method of using font data in which a usage type is set.

In the present specification, the font data is data for determining the form (font type or the like) or size in which a predetermined text is displayed. The user can download and use the font data from the apparatus.

In the present specification, the term of using or applying font data refers to displaying predetermined text according to the corresponding font data. In other words, applying the Arial font data to the text “Hangul” means that the text “Hangul” is displayed in Arial. Hereinafter, a detailed configuration of the font data will be described in detail with reference to the description of FIG. 6.

In the present specification, for convenience of understanding and explanation of the present invention, a technology related to providing font data is referred to as a first embodiment, and a technology related to using font data is referred to as a second embodiment.

Hereinafter, a system for providing or using font data will be described in detail with reference to FIG. 1.

1 is a system diagram for providing or using font data according to an embodiment of the present invention.

Referring to FIG. 1, a system for providing or using font data may include a font data providing apparatus 110, a communication network 120, and a communication terminal 130.

The font data providing apparatus 110 provides font data with a usage type set to the connected communication terminal 130. Here, the usage type is a generic type (e.g., system font) that applies to all texts displayed on the communication terminal 130 inclusive, and a partial type (e.g., a transmission and reception message that applies only to a specific type of text). Message fonts that apply only to embedded text).

In addition, the font data providing apparatus 110 may generate charging data differentially according to the use type. For example, even when the font data providing apparatus 110 provides the same font data, the font data providing apparatus 110 may be set to 1000 won if the usage type is set to a system font and 500 won if the font type is set to a message font.

Accordingly, when the user wants to use the font data only for the message, the user pays only the fee corresponding to the usage type and has the advantage of downloading the font data.

The communication network 120 includes not only Code Division Multiple Access (CDMA) or Wide Code Code Division Multiple Access (WCDMA), but also all wired and wireless communication networks 120 capable of providing font data to the communication terminal 130.

Hereinafter, WCDMA will be described as an example. The WCDMA network may include a radio base station Node B, a radio network controller (RNC), a Serving GPRS Support Node (SGSN), and a Gateway GPRS Support Node (GGSN). Since the WCDMA network is a known technology, detailed descriptions are omitted to clarify the gist of the present invention.

In addition, the font data providing apparatus 110 described above may be a kind of server included in the communication network 120. In particular, it may be a server providing a service by an operator operating the communication network 120. However, in the present specification, for convenience of understanding and description, the font data providing apparatus 110 will be described as a representative example of being implemented separately from the communication network 120.

The communication terminal 130 receives font data from the font data providing apparatus 110 described above. The communication terminal 130 displays the text in the display area in a specific font by using the font data.

In this case, the communication terminal 130 uses the MMS (Multimedia Message Service) receiving method or a method of receiving a content download (for example, a ringtone download method) through the mobile browser font data from the font data providing apparatus 110 Can be received. Since the reception method is a technique known to those skilled in the art, a detailed description will be omitted for the convenience of understanding and explanation of the present invention.

In the present invention, the communication terminal 130 applies the font data set the usage type to the text. The communication terminal 130 compares the usage type set in the font data with the usage type of the font data requested by the user. The communication terminal 130 applies the font data to the text when the two types of usage described above are the same or when the type of usage set in the font data is in a wider range.

The communication terminal 130 of the present invention is a PDA (Personal Digital Assistant), cellular phone, PCS (Personal Communication Service) phone, WCDMA phone, CDMA-2000 phone, Mobile Broad and System (MBS) phone, PC (Personal Computer), A communication terminal 130 that receives and uses the wired / wireless communication network 120 and font data, such as a hand-held PC and a notebook PC, is included.

So far, the system for providing or using font data according to an embodiment of the present invention has been described with reference to FIG. 1. Hereinafter, the font data providing apparatus 110 according to the first embodiment of the present invention will be described in detail with reference to FIG. 2.

2 is a block diagram of a font data providing apparatus 110 according to a first embodiment of the present invention.

Referring to FIG. 2, the font data providing apparatus 110 may include a connection unit 210, an extraction unit 220, a setting unit 230, a download unit 240, a charging unit 250, and a database 260. Can be.

The connection unit 210 receives a request for providing predetermined font data from the communication terminal 130. Here, the provision request for the font data includes usage type information of the corresponding font data.

The connection unit 210 manages the connection of the communication terminal 130 through the communication network 120. For example, the communication terminal 130 may access the connection unit 210 using an ID and a password. Alternatively, the connection unit 210 is separately provided through an IMSI (International Mobile Station Identity) or MSISDN (Mobile Subscriber ISDN Number) included in the message for requesting font data provision received from the communication terminal 130. Can be managed to access without the ID and password.

In this case, when providing the font data to the communication terminal 130, the connection unit 210 may store user information for generating charging data for providing the font data in the storage area.

That is, according to the first embodiment, the user accesses the font data providing apparatus 110 to download the font data. The user then selects the desired font data and determines the usage type of the corresponding font data. Thereafter, the user transmits a request for providing font data including usage type information determined using the communication terminal 130 to the font data providing apparatus 110.

The extraction unit 220 extracts usage type information included in the font data provision request. Here, the usage type information includes a comprehensive type and a partial type. A generic type is a type that is applied to text that is displayed like a system font in a batch, and a partial type is a type that only applies to certain types of text, such as a message font.

The extraction unit 220 transmits the extracted usage type information to the setting unit 230.

The setting unit 230 sets a usage type in the font data based on the transmitted usage type information.

In detail, the setting unit 230 may set the usage type of the requested font data as a system font or a message font according to the transferred usage type information.

For example, the setting unit 230 may generate an attribute indicating a usage type separately in the font data. For convenience of description below, an embodiment in which a corresponding property is defined as “Background” will be described as a representative example. The setting unit 230 may set “Background: Yes” in the case of the system font to the generated property, and “Background: No” in the case of the message font.

As such, the setting unit 230 may selectively set the system font or the message font according to the usage type information received from the communication terminal 130.

The downloader 240 provides the font data in which the usage type is set to the corresponding communication terminal 130 through the communication network 120.

In this case, the “Background” field, which is an attribute of a font, may be included as a MIME header of font content in a MIME type defined in international standards and MMS technology or in an information header inside font data.

In addition, the downloader 240 may further provide a font codec. The font codec consists of a font encoder for separating font data from a font message and including it in the message data, and a font decoder for reconstructing the received message using the font data and outputting the same to the message output window. The font codec may be configured with one codec API (Application Program Interface). In addition, the font codec is a dedicated font file (Mobile Data Font)-tentatively named MDF font in consideration of the hardware environment specifications of the wireless Internet environment and the communication terminal 130 to transmit various font data by applying the font codec technology on the wireless Internet. It can also support formats.

The charging unit 250 differentially generates charging data for providing font data. In detail, the charging unit 250 differentially generates charging data for each usage type set in the provided font data.

System fonts, for example, have a wider range of usage types than message fonts, creating billing data at a higher cost. Thus, according to the first embodiment of the present invention, when the user uses only the message font, there is an advantage that the user can download the font data at a reasonable fee.

Here, the charging unit 250 may use the user information stored in the storage area by the connection unit 210 described above in order to generate charging data for the communication terminal 130 provided with the font data.

In addition, the charging unit 250 may perform charging for providing font data through a charging server (not shown) of the communication network 120. The billing unit 250 may perform billing for providing font data in various ways (for example, interworking with a payment system such as wireline payment, mobile phone payment, credit card payment, and automatic transfer).

The database 260 stores font data. The database 260 may further store a font codec.

The database 260 may store font data in which a usage type is set. That is, the operator of the font data providing apparatus 110 may set the usage type in advance in the font data and store the font data in which the usage type is set in the database 260.

In this case, the above-described setting unit 230 sets the usage type in advance in the font data, and when receiving the use type information and the font data provision request to the communication terminal 130, selecting the font data set the usage type Perform the action.

In addition, the database 260 may store user information and billing data of the connected communication terminal 130. The database 260 may provide the stored information to the setting unit 230, the downloader 240, and the charging unit 250 as requested.

The database 260 stores a predetermined program for controlling the overall operation of the font data providing apparatus 110, input / output data, and various data processed.

In the present specification, the database 260 has been described as being implemented in the font data providing apparatus 110. However, the present invention includes an embodiment in which the database 260 is separately implemented. However, in the present specification, for convenience of understanding and explanation of the present invention, the database 260 is included in the font data providing apparatus 110 as a representative example.

The font data providing apparatus 110 according to the first embodiment of the present invention has been described above with reference to FIG. 2. Hereinafter, a communication terminal 130 using font data according to a second embodiment of the present invention will be described in detail with reference to FIG. 3.

3 is a configuration diagram of a communication terminal 130 using font data according to a second embodiment of the present invention.

Referring to FIG. 3, the communication terminal 130 includes a communication unit 310, an input unit 320, a determination unit 330, a font management unit 340, a font applying unit 350, an output unit 360, and a storage unit ( 370).

The communication unit 310 performs communication with the font data providing apparatus 110 through the communication network 120. That is, the communication unit 310 transmits and receives all signals and data for receiving the font data with the font data providing apparatus 110.

The input unit 320 receives a predetermined request from the user. In the present invention, the input unit 320 receives a request for using stored font data from a user.

The input unit 320 may be implemented as an input module such as a keypad or a touch screen for input control of the communication terminal 130.

The determination unit 330 determines a use type (hereinafter, referred to as a “first use type”) in which font data requested to be used is used. For example, it is determined whether the user wants to use the corresponding font data as a system font or as a message font.

The font manager 340 extracts a usage type (hereinafter, referred to as a “second usage type”) set in the font data requested for use. The font manager 340 determines whether the first use type is within a range of the second use type.

The font applying unit 350 determines whether to use the font data requested for use for the first use type. That is, the font applying unit 350 determines whether to apply the font data requested for use to text corresponding to the use request.

In detail, when the first usage type is out of the range of the second usage type, the font applying unit 350 limits the use of the font data. That is, the font applying unit 350 does not apply font data to text corresponding to the use request. In this case, the font applying unit 350 may display a guide message indicating that the font data cannot be used through the output unit 360 to be described later.

On the other hand, when the first usage type is included in the range of the second usage type, the font applying unit 350 displays the text corresponding to the usage request by applying the font data.

As such, the communication terminal 130 may use the font data in a limited manner according to the set usage type.

The output unit 360 includes an output module such as an LCD window and a speaker for outputting a sound source or image data.

The storage unit 370 stores font data in which a usage type is set. The storage unit 370 stores a predetermined program for controlling the overall operation of the communication terminal 130, data input / output, and various data processed.

So far, the communication terminal 130 using the font data according to the second embodiment of the present invention has been described with reference to FIG. 3. Hereinafter, a method of providing font data according to a first embodiment of the present invention will be described in detail with reference to FIG. 4.

4 is a flowchart illustrating a font data providing method according to a first embodiment of the present invention.

The font data providing apparatus 110 provides the font data with the usage type set through the communication network 120 to the communication terminal 130. Hereinafter, a process of providing font data will be described with reference to FIG. 4.

In operation S410, the font data providing apparatus 110 receives a request for providing font data and usage type information.

The usage type information may be included in the font data provision request. In this case, the font data providing apparatus 110 extracts usage type information from the font data providing request.

Alternatively, the usage type information may be received separately from the font data providing request. For example, a user of the communication terminal 130 connected to the font data providing apparatus 110 may select one (or a plurality of) types of usages presented through a browser displayed on the display area.

Subsequently, in step S420, the font data providing apparatus 110 sets a usage type in the requested font data based on the usage type information received in step S410.

For example, suppose the user sets the usage type to system font. The font data providing apparatus 110 sets a specific attribute in the font data, for example, “Background” to Yes. In this case, the font data can be used for both the system font and the message font.

Alternatively, step S420 may be performed by the font data providing apparatus 110 in advance. That is, the font data providing apparatus 110 may preset the usage type with respect to the stored font data. In this case, the font data providing apparatus 110 selects font data in which a usage type corresponding to the usage type information received in step S410 is set.

Subsequently, in step S430, the font data providing apparatus 110 provides the font data with the usage type set in step S420 to the corresponding communication terminal 130.

Font data in which the provided usage type is set is limitedly used in the communication terminal 130. For example, font data in which a usage type is set as a message font may be applied only to text included in a transmission / reception message in the communication terminal 130.

Subsequently, in step S440, the font data providing apparatus 110 differentially generates charging data for the font data provided in step S430, according to the set usage type.

In the past, the user has decided to download a single font data at a time. Therefore, even if the user wanted to apply the font data only to the text included in the message, he had to pay an undifferentiated fee to download the font data.

However, according to the present invention, when the user intends to use the message font rather than the system font, the user can pay the fee according to the font data provided by the user.

In addition, the font data providing apparatus 110 may generate a discounted amount of billing data when a user purchases the font data as the partial type later, when the font data is purchased as the comprehensive type.

For example, suppose a user named A purchases font data called "Gothic" as a system font. The font data providing apparatus 110 inquires whether the requested font data is set as a message font (or other partial type) and there is a history provided to the communication terminal 130. In this case, when the same font data has already been used as a message font in the past and has a history provided to the corresponding communication terminal 130, the font data providing apparatus 110 generates charging data at a discounted amount. That is, if the font data providing apparatus 110 has a system font of 1000 won and a message font of 500 won, the font data providing apparatus 110 may provide 500 won (or 600 won, etc.) according to a fee policy for the provision of the “Gothic” font data set as the system font. Can generate billing data.

The font data providing method according to the first embodiment of the present invention has been described above with reference to FIG. 4. Hereinafter, a method of using font data according to a second embodiment of the present invention will be described in detail with reference to FIG. 5.

5 is a flowchart illustrating a method of using font data according to a second embodiment of the present invention.

According to the second embodiment of the present invention, the communication terminal 130 uses the font data limited according to the usage type set in the font data.

Here, the use type may be set to a comprehensive type (eg, a system font) or a partial type (eg, a message font) as described above. Hereinafter, a process of using the font data in which the communication type is set as the message font by the communication terminal 130 will be described with reference to FIG. 5 as a representative example.

In operation S510, the communication terminal 130 receives a request for using font data from the user. Various usage types may be set. Hereinafter, font data in which a usage type is set as a message font will be described as an example.

Subsequently, in step S520, the communication terminal 130 determines a first use type for using font data requested for use in step S510.

For example, whether the user requests to use the font data requested for use as a system font such as displaying a menu of the communication terminal 130, or as a message font for applying the font data to a specific message or all stored transmission / reception messages. Determine if you are asking for use.

If the communication terminal 130 determines that the first usage type is a system font, the communication terminal 130 performs steps S530 and S540.

In operation S530, the communication terminal 130 extracts the second usage type set in the font data. The extracted second usage type is a message font according to the above assumptions.

Therefore, in step S540, the communication terminal 130 restricts the use of the font data. When requesting to use font data set as a message font (second use type) as a system font (second use type), the communication terminal 130 restricts the use of the font data.

On the other hand, when the communication terminal 130 determines that the first use type is a message font, the communication terminal 130 performs steps S550 to S570.

In operation S550, the communication terminal 130 extracts the second usage type set in the font data. The extracted second usage type is a message font according to the above assumptions.

Therefore, in steps S560 and S570, the communication terminal 130 encodes and / or decodes the text included in the transmission / reception message using the font data (S560). The communication terminal 130 outputs a message to which the corresponding font data is applied through the display area (S570).

Accordingly, the user can view the text (in the message) according to the font data through the display area.

Since a specific technique of encoding and / or decoding text included in a transmission / reception message is a well-known technique, it will be omitted herein.

According to the above-described process, the communication terminal 130 may use the font data limited to the set use type only. Therefore, the user can purchase the font data at a discounted price by limiting the usage to the usage type.

So far, the method of using font data according to the second embodiment of the present invention has been described with reference to FIG. 5. Hereinafter, the structure of font data according to an embodiment of the present invention will be described in detail with reference to FIG. 6.

6 is an exemplary diagram illustrating a structure of font data according to an embodiment of the present invention.

Referring to FIG. 6, the font data includes a header 610, a font identification unit 620, a data length information unit 630, a glyph length information unit 640, and a backgroud 650 indicating a usage type. ), A font data unit 660 and a glyph data unit 670.

The font data may be design information of a specific font, for example, phoneme configuration information of the specific font. In addition, the font data may further include effect data obtained by converting any one or more of symbols, figures, and picture information stimulating visual into the font design into data, and a data field may be further included therein.

The header part 610 is a part in which essential information of the font data is recorded, and a name for identifying the font is recorded in the font identification part 620. For example, the header part 610 may have a size of about 4 bytes.

The data length information unit 630 may store information about the overall size of the font data, and the glyph length information unit 640 may store information about the number of text characters. The data length information 630 and the grip length information 640 may each have a size of about 2 bytes, for example.

Backgroud 650 is an attribute for setting the usage type of font data. For example, if Backgroud: Yes is set, it means that the system font is available. Here, the system font may mean that all types of fonts can be used. That is, font data set to Backgroud: Yes may be used as a message font. Backgroud: If set to No, indicates that the message font can be used. In this case, the font data is set to be impossible to use as a system font.

The font data unit 660 may include a code unit, a width unit, and an offset unit. Here, the code part stores the KSC5601 or Unicode code value as the standard code value of Korean used for general message, the width part stores the width size value of the vector font Hanja as the variable width of the character, and the offset part is the vector font data. As a value, an entire data value (stroke length, height, rotation angle value, etc.) for a glyph data value representing a single font of a vector font may be stored. The grip data unit 670 stores information about the grip data, and its size is variable.

The present invention can also be embodied as computer-readable codes on a computer-readable recording medium. The computer-readable recording medium includes all kinds of recording devices in which data that can be read by a computer system is stored.

For example, the computer-readable recording medium may include a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.

It may also include the implementation in the form of a carrier wave (for example, transmission over the Internet).

The computer readable recording medium can also be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion.

And functional programs, codes and code segments for implementing the present invention can be easily inferred by programmers in the art to which the present invention belongs.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined in the appended claims. It will be understood that the invention may be varied and varied without departing from the scope of the invention.

1 is a system diagram for providing or using font data according to an embodiment of the present invention.

2 is a block diagram of a font data providing apparatus according to a first embodiment of the present invention.

3 is a configuration diagram of a communication terminal using font data according to a second embodiment of the present invention.

4 is a flowchart illustrating a font data providing method according to a first embodiment of the present invention.

5 is a flowchart illustrating a method of using font data according to a second embodiment of the present invention.

6 is an exemplary diagram showing a structure of font data according to an embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

110: font data providing apparatus 120: communication network

130: communication terminal 210: connection

220: extraction unit 230: setting unit

240: download unit 250: billing unit

260: database 310: communication unit

320: input unit 330: determination unit

340: font management unit 350: font application unit

360: output unit 370: storage unit

Claims (8)

In the font data providing apparatus provides font data, (a) receiving a request for providing predetermined font data and usage type information of the font data from a communication terminal connected to the font data providing apparatus; And (b) providing font data with a usage type set to the communication terminal based on the received usage type information, In step (b), Setting a usage type of the requested font data to a system font or a message font according to the received usage type information; And Providing font data with the usage type set to the communication terminal; The system font is a usage type of font data that is collectively applied to text displayed on the communication terminal, and the message font is a usage type of font data that is applied to text included in a text message by the communication terminal. How to provide font data. The method of claim 1, The communication terminal, When the use request of the provided font data is input by the user, the use of the font data of the requested font data is compared with the use request set in the font data to determine whether to use the font data. How to Provide. delete The method of claim 1, After step (b), And generating differential charging data for each usage type set in the provided font data. The method of claim 1, After step (b), If font data having a usage type set as the system font is provided, determining whether the requested font data is set as the message font and whether there is a history provided to the communication terminal; And And if it is determined that the history exists, generating billing data discounted from a fee corresponding to the font data set as the system font. In a communication terminal using font data, An input unit to input a request for using the font data from a user; A determination unit to determine a first use type for using the font data requested for use; A font manager configured to extract a second usage type set in the font data requested for use, and determine whether the first usage type is within a range of the second usage type; And In accordance with the determination result, a font applying unit for determining whether to apply the use requested font data to the text corresponding to the use request, The first usage type and the second usage type are system fonts or message fonts, The system font is a usage type of font data that is collectively applied to text displayed on the communication terminal, and the message font is a usage type of font data that is applied to text included in a text message by the communication terminal. Communication terminal. The method of claim 6, The font applying unit, And the use of the font data is restricted if the first use type is a system font and the second use type is a message font. The method of claim 6, The font applying unit, And when the first usage type is a message font or a system font and the second usage type is a system font, the font data is used in response to the usage request.

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