KR20100130714A - Apparatus and method for reading data - Google Patents

Apparatus and method for reading data Download PDF

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Publication number
KR20100130714A
KR20100130714A KR1020090049375A KR20090049375A KR20100130714A KR 20100130714 A KR20100130714 A KR 20100130714A KR 1020090049375 A KR1020090049375 A KR 1020090049375A KR 20090049375 A KR20090049375 A KR 20090049375A KR 20100130714 A KR20100130714 A KR 20100130714A
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KR
South Korea
Prior art keywords
record
data
valid
records
selection mode
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KR1020090049375A
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Korean (ko)
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서명선
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주식회사 팬택
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Priority to KR1020090049375A priority Critical patent/KR20100130714A/en
Publication of KR20100130714A publication Critical patent/KR20100130714A/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
    • G06F12/023—Free address space management
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
    • G06F3/061—Improving I/O performance

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

PURPOSE: An apparatus and a method for reading data are provided to read data corresponding a valid record of a corresponding file by using a selection mode, thereby increasing speed of reading data of a SIM(Subscriber Identification Module). CONSTITUTION: A data read apparatus includes a command receiving unit(410), a record identifying unit(430), and a data read unit(450). The command receiving unit receives a record read command about stored data. The record identifying unit identifies a valid record among records corresponding to stored data by referring to the received record read command. The data read unit reads data corresponding to the identified valid record.

Description

Data lead device and method {APPARATUS AND METHOD FOR READING DATA}

Embodiments of the present invention relate to an apparatus and method for reading data.

Typical smart card modules used in mobile terminals include a subscriber identity module (SIM) and a universal subscriber identity module (USIM).

In general, the subscriber identity module as described above is detachably applied to a mobile terminal of a European type Global Positioning System (GSM) system. The subscriber identification module stores mobile terminal subscriber information and mobile terminal system related information. Accordingly, the mobile terminal to which the subscriber identification module is applied may use the information stored in the subscriber identification module as it is regardless of the terminal type.

For example, it is assumed that the subscriber identification module stores subscriber's call history, subscriber setting information of the mobile terminal, system information, and the like. In this case, when the subscriber identification module is connected to another compatible mobile terminal, the subscriber can use the information stored in the subscriber identification module as it is in the other mobile terminal.

As such, the subscriber identification module provides much convenience to the subscriber in using the mobile terminal. Recently, the subscriber identification module is also applied to the CDMA mobile terminal.

However, conventionally, in order to read a file in a record format from the subscriber identification module, the mobile terminal transmits a record read command for all records, receives a response, and reads data. Each record may have not only valid data but also invalid data, that is, null data. However, the mobile terminal reads all records because there is no information about the data in each record.

A representative example of a record type file is a file associated with a phonebook, that is, an abbreviated dialing number (AND). There are usually 250 records and as many as 500 records. In addition, as the memory capacity of the subscriber identity module increases, data related to the phonebook gradually increases.

Embodiments of the present invention provide a data read device and method that can improve the speed of reading data from a subscriber identity module (SIM).

Embodiments of the present invention provide a data reading apparatus and method that can shorten the time for reading data from the subscriber identification module.

Embodiments of the present invention can shorten the booting time of a mobile terminal to which the subscriber identification module is applied, and thus provide a data reading apparatus and method that can provide a faster service to a subscriber.

Embodiments of the present invention provide a data reading apparatus and method capable of guaranteeing compatibility with the mobile terminal and the existing subscriber identity module by enabling operation at an interface between the mobile terminal and the existing subscriber identity module.

The problem to be solved by the present invention is not limited to the above-mentioned problem, another task that is not mentioned will be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, a data reading apparatus includes a command receiving unit configured to receive a record read command for a storage; A record identifier for identifying a valid record among records corresponding to the storage by referring to the received record read command; And a data lead unit for reading data corresponding to the identified valid record.

The data reading apparatus according to an aspect of the present invention further includes a mode extraction unit for extracting a selection mode from the record read command, wherein the selection mode is defined by the mobile terminal as a mode for selectively reading a valid record among the records. It may include. In this case, the record identification unit may selectively identify the valid record among the records using the extracted selection mode.

The data read apparatus according to an aspect of the present invention may further include a storage unit which stores a record number corresponding to the valid record. Here, when there are a plurality of valid records, the data lead unit may read data corresponding to each of the plurality of valid records by referring to the stored record number. In this case, the data read unit may read the data one by one each time the record read command is received.

The record identification unit may identify a record corresponding to data having a valid data range among the data corresponding to each of the records as the valid record.

The record identification unit may identify a record having a value different from OxFF among the record values corresponding to each of the records as the valid record.

The data reading apparatus according to an aspect of the present invention may further include a data providing unit configured to provide data corresponding to the valid record to the mobile terminal.

According to another aspect of the present invention, a data reading apparatus includes: a mode defining unit defining a selection mode, wherein the selection mode is a mode for selectively reading a valid record among records corresponding to a storage stored in a subscriber identification module; A command transmitter which applies the defined selection mode to a record read command and transmits it to the subscriber identification module; And a data receiver configured to receive data corresponding to the valid record from the subscriber identification module in response to the record read command.

The command transmitter may apply the defined selection mode to a parameter region in the record read command.

According to an aspect of the present invention, a data read method includes: receiving a record read command for a storage; Referring to the received record read command, identifying a valid record among records corresponding to the storage; And reading data corresponding to the identified valid record.

The data read method according to an aspect of the present invention further includes extracting a selection mode from the record read command, wherein the selection mode is defined by the mobile terminal as a mode for selectively reading a valid record among the records. can do. In this case, the identifying of the valid record may include selectively identifying the valid record among the records using the extracted selection mode.

The data read method according to an aspect of the present invention may further include storing a record number corresponding to the valid record. Here, when there are a plurality of valid records, the step of reading the data may include reading data corresponding to each of the plurality of valid records with reference to the stored record number.

According to another aspect of the present invention, a data reading method includes: selecting a selection mode, wherein the selection mode is a mode for selectively reading a valid record among records corresponding to a storage stored in a subscriber identification module; Applying the defined selection mode to a record read command and transmitting it to the subscriber identification module; And in response to the record read command, receiving data corresponding to the valid record from the subscriber identification module.

Specific details of other embodiments are included in the detailed description and the accompanying drawings.

Advantages and / or features of the present invention and methods for achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various different forms, and only the embodiments make the disclosure of the present invention complete, and those skilled in the art to which the present invention pertains. It is provided to fully inform the person having the scope of the invention, which is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

According to embodiments of the present invention, by reading data corresponding to a valid record of a corresponding file using a selection mode, the speed of reading data from the subscriber identification module SIM can be improved.

According to embodiments of the present invention, the time for reading data from the subscriber identification module can be shortened.

According to embodiments of the present invention, it is possible to shorten the booting time of the mobile terminal to which the subscriber identification module is applied, thereby providing a faster service to the subscriber.

According to the embodiments of the present invention, by allowing the mobile terminal and the existing subscriber identity module to operate at the interface, it is possible to ensure the compatibility of the mobile terminal and the existing subscriber identity module.

1 is a diagram illustrating a directory structure of files stored in a subscriber identification module.

As illustrated in FIG. 1, an elementary file (EF) 110 is a file having a lowest concept, and exists below a master file (MF) 120 or a dedicated file (DF) 130. Repositories such as subscriber related data are generally stored in the EF 110. The EF 110 is divided into three types, namely, a transparent type, a linear fixed type, and a cyclic type. Among them, the linear fixed type EF 110 and the cyclic type EF 110 have a structure in which a plurality of record-type data exist, and the structure thereof is shown in FIG. 2. For reference, FIG. 2 is a diagram illustrating a structure of a record stored in the EF 110 of FIG. 1.

An embodiment of the present invention proposes an apparatus and method for reading data stored in directories and records shown in FIGS. 1 and 2. Hereinafter, such a data reading apparatus and method will be described in detail with reference to the accompanying drawings.

3 is a diagram illustrating a mobile terminal and a subscriber identification module to which a data reading apparatus is applied according to an embodiment of the present invention. 4 is a block diagram illustrating a data reading apparatus according to an embodiment of the present invention. Here, the data read apparatus of FIG. 4 may be mounted and implemented in the subscriber identification module 320 of FIG. 3.

3 and 4, a data reading apparatus according to an embodiment of the present invention includes a command receiving unit 410, a mode extracting unit 420, a record identification unit 430, a storage unit 440, and a data reading unit. 450 may include a data provider 460 and a controller 470.

The command receiver 410 may receive a READ RECORD command for the storage from the mobile terminal 310. In this case, the command receiving unit 410 may receive the record reading command from the mobile terminal 310 through an interface between the mobile terminal 310 and the subscriber identification module 320.

The mode extractor 420 may extract a selection mode (selection mode related information) from the received record read command. In this case, the mode extractor 420 may extract the selection mode from the parameter region in the received record read command. Here, the selective mode is a mode for selectively reading a valid record among records corresponding to the storage, and may be defined by the mobile terminal 310.

The record identification unit 430 may identify a valid record among records corresponding to the storage by referring to the received record read command. That is, the record identification unit 430 may selectively identify the valid record among the records corresponding to the storage using the extracted selection mode.

In this case, the record identification unit 430 may identify, as the valid record, a record corresponding to data having a valid data range among data corresponding to each of the records corresponding to the storage. Alternatively, the record identification unit 430 may identify, as the valid record, a record having a value different from OxFF among the record values corresponding to each of the records corresponding to the storage.

The storage unit 440 may store a record number corresponding to the identified valid record. In this case, the storage unit 440 may store all the record numbers at once when the number of records is several. Alternatively, when the number of record numbers is plural, the storage unit 440 may store one record number each time data corresponding to the record number is read.

The data lead unit 450 may read data corresponding to the identified valid record. Here, when there are a plurality of identified valid records, the data lead unit 450 may read data corresponding to each of the plurality of valid records by referring to the stored record number. That is, the data lead unit 450 may sequentially read data corresponding to each of the plurality of valid records in accordance with the size of the stored record number. In this case, each time the data read command is received, the data read unit 450 may read data corresponding to each of the plurality of valid records one by one.

The data provider 460 may provide the mobile terminal 310 with data corresponding to the identified valid record. In this case, the data provider 460 may provide the data to the mobile terminal 310 through an interface between the mobile terminal 310 and the subscriber identification module 320.

The controller 470 is a data read device according to an embodiment of the present invention, that is, the command receiver 410, the mode extractor 420, the record identification unit 430, the storage unit 440, and the data read unit 450. The overall operation of the data providing unit 460 may be controlled.

5 is a block diagram illustrating a data reading apparatus according to another embodiment of the present invention. Here, the data read apparatus of FIG. 5 may be mounted on the mobile terminal 310 of FIG. 3.

3 and 5, the data reading apparatus according to another embodiment of the present invention may include a mode defining unit 510, a command transmitting unit 520, a data receiving unit 530, and a control unit 540. have.

The mode definition unit 510 may define a selection mode. In this case, the selection mode refers to a mode for selectively reading a valid record among records corresponding to the storage stored in the subscriber identification module 320 as described above.

The command transmitter 520 may apply the defined selection mode to a READ RECORD command and transmit the same to the subscriber identification module 320. In this case, the command transmitter 520 may apply the defined selection mode to the parameter region in the record read command and transmit the defined selection mode to the subscriber identification module 320. That is, the command transmitter 520 may insert the information related to the defined selection mode into the parameter region in the record read command and then transmit the record read command to the subscriber identification module 320.

This will be described in detail with reference to FIGS. 6 and 7. For reference, FIG. 6 is a diagram illustrating an example of a format of a record read command used in an embodiment of the present invention, and FIG. 7 is a diagram illustrating an example of values set in the second parameter region 640 of FIG. 6. .

As illustrated in FIGS. 6 and 7, values as shown in FIG. 7 may be set in the second parameter region 640 of the record read command. In particular, in 710 of FIG. 7, information related to the selective mode, that is, a selection mode setting value, is set.

The command transmitter 520 of FIG. 5 applies the selection mode to the second parameter region 640 as shown in 710 of FIG. 7, and then, in addition to the second parameter region 640, other regions, that is, a class region 610, The record read command including the command area 620 and the first parameter area 630 may be transmitted to the subscriber identification module 320 of FIG. 3.

3 and 5, the data receiver 530 may receive data corresponding to the valid record from the subscriber identification module 320 in response to the record read command. Accordingly, the data receiver 530 may transmit the received data to the mobile terminal 310 so that the received data is displayed or executed in the mobile terminal 310.

The controller 540 may control overall operations of the data lead apparatus, that is, the mode defining unit 510, the command transmitting unit 520, and the data receiving unit 530, according to another exemplary embodiment.

Meanwhile, although not shown in the drawing, the data reading apparatus according to another embodiment of the present invention may further include a mode determination unit.

The mode determination unit may determine whether the subscriber identification module 320 supports the selection mode. To this end, the mode determination unit may analyze a response to the record read command. As a result of the analysis, when an error message is included in the response, the mode determination unit may determine that the subscriber identification module 320 supports the selection mode. On the other hand, when the analysis result does not include the error message, the mode determination unit may determine that the subscriber identification module 320 does not support the selection mode.

As a result of the determination, when the subscriber identification module 320 supports the selection mode, the data receiver 530 may receive data corresponding to the valid record except the invalid record among the records corresponding to the storage. .

However, when the determination result that the subscriber identification module 320 does not support the selection mode, the command transmission unit 520 is different from the selection mode, for example, the previous mode (next mode), the next mode (next mode), The record read command may be transmitted to the subscriber identification module 320 using one of absolute modes. Accordingly, the data receiver 530 may receive all data corresponding to each of the records (valid / invalid records) corresponding to the storage. In this case, the data receiver 530 may receive one response (including data) for each time the record read command is transmitted.

8 illustrates an example of reading data from a subscriber identity module supporting a selection mode according to an embodiment of the present invention. Here, the file corresponding to the data is a linear fixed type and has 10 records, of which records 1, 3, and 5 are assumed to be valid records.

As shown in FIG. 8, the mobile terminal 310 may first transmit a record read command 810 to the subscriber identification module 320 using the selection mode. Then, the subscriber identification module 320 identifies a valid record among the 10 records, and then sends a response 820 including data corresponding to record number 1 having the lowest number and record number. And transmit to 310.

At this time, the subscriber identification module 320 may store the record number (here record 1) transmitted last. Accordingly, the subscriber identification module 320 may know the record number to be transmitted after record number one.

Subsequently, the mobile terminal 310 may transmit a record read command 830 to the subscriber identification module 320 using the selection mode. Then, the subscriber identification module 320 may include a response including a record number and data corresponding to the lowest record number, that is, record 3, among the record numbers having a larger number than the previously transmitted record number among the identified valid records. response 840 may be transmitted to the mobile terminal 310.

Subsequently, in the same manner as described above, the mobile terminal 310 can send a record read command 850 to the subscriber identification module 320, which in turn responds with a response 860 to the mobile terminal. May transmit to 310.

Finally, when the mobile terminal 310 transmits a record read command 870 to the subscriber identification module 320, the subscriber identification module 320 no longer receives the null data and the status word if the valid data is no longer present. The response 880 including the status word may be transmitted to the mobile terminal 310. Accordingly, the mobile terminal 310 may determine that there is no valid data related to the corresponding file in the subscriber identification module 320 through the transmitted response 880 and finish reading the corresponding file.

9 illustrates an example of reading data from a subscriber identity module that does not support the selection mode according to an embodiment of the present invention.

As illustrated in FIG. 9, the mobile terminal 310 may transmit a record read command 910 to the subscriber identification module 320 using the selection mode. In this case, when the subscriber identification module 320 transmits an error message to the mobile terminal 310 as a response 920, the mobile terminal 310 determines that the subscriber identification module 320 does not support the selection mode. Can be.

Accordingly, the mobile terminal 310 identifies the subscriber to the record read command 930 by using one of modes different from the selection mode, for example, a previous mode, a next mode, and an absolute mode. Transmit to module 320. Accordingly, the mobile terminal 310 and the subscriber identification module 320 may exchange a record read command with a response (valid / invalid data) one by one.

10 is a flowchart illustrating a data reading method according to an embodiment of the present invention. The data read method may be performed by the data read device of FIG. 4.

3 and 10, in operation S1010, the data reading apparatus may receive a read command for the storage from the mobile terminal 310. In this case, the data reading apparatus may receive the record read command from the mobile terminal 310 through an interface between the mobile terminal 310 and the subscriber identification module 320.

Next, in operation S1020, the data reading apparatus may extract information related to a selection mode from the received record read command. In this case, the data reading apparatus may extract information related to the selection mode from a parameter region in the received record read command.

Next, in operation S1030, the data reading apparatus may identify a valid record among records corresponding to the storage by referring to the received record read command. That is, the data reading apparatus may selectively identify the valid record among the records corresponding to the storage by using the extracted selection mode related information.

In this case, the data reading apparatus may identify, as the valid record, a record corresponding to data having a valid data range among data corresponding to each of the records corresponding to the storage. Alternatively, the data reading apparatus may identify a record having a value different from OxFF among the record values corresponding to each of the records corresponding to the storage as the valid record.

Next, in operation S1040, the data reading apparatus may read data corresponding to the identified valid record. In this case, the data reading apparatus may store a record number corresponding to the identified valid record.

Here, when there are a plurality of identified valid records, the data reading apparatus may read data corresponding to each of the plurality of valid records with reference to the stored record number. That is, the data reading apparatus may sequentially read data corresponding to each of the plurality of valid records according to the size of the stored record number. In this case, each time the record read command is received, the data read device reads data corresponding to each of the plurality of valid records one by one.

Next, in step S1050, the data reading apparatus may provide data corresponding to the identified valid record to the mobile terminal 310. In this case, the data reading apparatus may provide the data to the mobile terminal 310 through an interface between the mobile terminal 310 and the subscriber identification module 320.

11 is a flowchart illustrating a data reading method according to another embodiment of the present invention. Here, the data reading method may be performed by the data reading apparatus of FIG. 5.

3 and 11, in operation S1110, the data read device may define a selection mode. In this case, the selection mode refers to a mode for selectively reading a valid record among records corresponding to the storage stored in the subscriber identification module 320 as described above.

Next, in operation S1120, the data reading apparatus may apply the defined selection mode to a READ RECORD command and transmit it to the subscriber identification module 320. In this case, the data reading apparatus may apply the defined selection mode to a parameter region in the record read command and transmit the defined selection mode to the subscriber identification module 320. That is, the data read device may insert the information related to the defined selection mode into the parameter area in the record read command and then transmit the record read command to the subscriber identification module 320.

Next, in operation S1130, the data reading apparatus may receive data corresponding to the valid record from the subscriber identification module 320 in response to the record read command. Accordingly, the data reading apparatus may transmit the received data to the mobile terminal 310 so that the received data is displayed or executed in the mobile terminal 310.

Embodiments of the present invention include computer readable media including program instructions for performing various computer implemented operations. The computer readable medium may include program instructions, local data files, local data structures, or the like, alone or in combination. The media may be those specially designed and constructed for the purposes of the present invention, or they may be of the kind well-known and available to those having skill in the computer software arts. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape, optical recording media such as CD-ROMs, DVDs, magnetic-optical media such as floppy disks, and ROM, RAM, flash memory, and the like. Hardware devices specifically configured to store and execute the same program instructions are included. Examples of program instructions include not only machine code generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like.

Meanwhile, embodiments of the present invention may be applied to an interface between the mobile terminal 310 and the subscriber identification module 320 of FIG. 1.

While specific embodiments of the present invention have been described so far, various modifications are possible without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the claims below, but also by the equivalents of the claims.

As described above, the present invention has been described by way of limited embodiments and drawings, but the present invention is not limited to the above-described embodiments, which can be variously modified and modified by those skilled in the art to which the present invention pertains. Modifications are possible. Accordingly, the spirit of the present invention should be understood only by the claims set forth below, and all equivalent or equivalent modifications thereof will belong to the scope of the present invention.

1 is a diagram illustrating a directory structure of files stored in a subscriber identification module.

FIG. 2 is a diagram illustrating a structure of a record stored in an elementary file (EF) of FIG. 1.

3 is a diagram illustrating a mobile terminal and a subscriber identification module to which a data reading apparatus is applied according to an embodiment of the present invention.

4 is a block diagram illustrating a data reading apparatus according to an embodiment of the present invention.

5 is a block diagram illustrating a data reading apparatus according to another embodiment of the present invention.

6 is a diagram showing an example of a format of a record read command used in an embodiment of the present invention.

FIG. 7 is a diagram illustrating an example of values set in the second parameter region of FIG. 6.

8 illustrates an example of reading data from a subscriber identity module supporting a selection mode according to an embodiment of the present invention.

9 illustrates an example of reading data from a subscriber identification module that does not support the selection mode according to an embodiment of the present invention.

10 is a flowchart illustrating a data reading method according to an embodiment of the present invention.

11 is a flowchart illustrating a data reading method according to another embodiment of the present invention.

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

310: mobile terminal

320: subscriber identification module

410: command receiving unit

420: mode extraction unit

430: record identification unit

440: storage unit

450: data lead part

460: data provider

470, 540: control unit

510: mode definition

520: command transmission unit

530: data receiving unit

Claims (14)

A command receiving unit for receiving a record reading command for the storage; A record identifier for identifying a valid record among records corresponding to the storage by referring to the received record read command; And A data lead unit for reading data corresponding to the identified valid records Data lead device comprising a. The method of claim 1, A mode extraction unit for extracting a selection mode from the record read command, the selection mode being defined by the mobile terminal as a mode for selectively reading a valid record among the records More, The record identification unit, And a data read device selectively identifying the valid record among the records using the extracted selection mode. The method of claim 1, A storage unit for storing a record number corresponding to the valid record More, If there are multiple valid records, The data lead portion, And a data read device reading data corresponding to each of the plurality of valid records with reference to the stored record number. The method of claim 3, The data lead portion, And reading the data one by one each time the record read command is received. The method of claim 1, The record identification unit, And a record corresponding to the data having a valid data range, among the data corresponding to each of the records, as the valid record. The method of claim 1, The record identification unit, And a record having a value different from OxFF among the record values corresponding to each of the records as the valid record. The method of claim 1, Data providing unit for providing data corresponding to the valid record to the mobile terminal Data lead device further comprising. A mode definition unit defining a selection mode, wherein the selection mode is a mode for selectively reading a valid record among records corresponding to a storage stored in the subscriber identification module; A command transmitter which applies the defined selection mode to a record read command and transmits it to the subscriber identification module; And A data receiver configured to receive data corresponding to the valid record from the subscriber identification module in response to the record read command Data lead device comprising a. The method of claim 8, The command transmission unit, And applying the defined selection mode to a parameter region in the record read command. Receiving a record read command for the repository; Referring to the received record read command, identifying a valid record among records corresponding to the storage; And Reading data corresponding to the identified valid record Data read method comprising a. The method of claim 10, Extracting a selection mode from the record read command, wherein the selection mode is defined by the mobile terminal as a mode for selectively reading a valid record among the records; More, Identifying the valid record, Selectively identifying the valid record among the records using the extracted selection mode Data read method comprising a. The method of claim 10, Storing a record number corresponding to the valid record More, If there are multiple valid records, The step of reading the data, Reading data corresponding to each of the plurality of valid records by referring to the stored record number Data read method comprising a. Defining a selection mode, wherein the selection mode is a mode for selectively reading a valid record among records corresponding to a stored stored in the subscriber identification module; Applying the defined selection mode to a record read command and transmitting it to the subscriber identification module; And In response to the record read command, receiving data corresponding to the valid record from the subscriber identification module Data read method comprising a. A computer-readable recording medium having recorded thereon a program for performing the method of claim 10.
KR1020090049375A 2009-06-04 2009-06-04 Apparatus and method for reading data KR20100130714A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10462646B2 (en) 2012-08-24 2019-10-29 Qualcomm Incorporated Methods and apparatus for optimization of SIM card initialization

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10462646B2 (en) 2012-08-24 2019-10-29 Qualcomm Incorporated Methods and apparatus for optimization of SIM card initialization

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