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Data storing and reading method, device and system for client identification card

A technology for customer identification and data storage, used in electrical components, wireless communication, telephone structure, etc.

Active Publication Date: 2012-04-04
HUAWEI DEVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem in the prior art that storing user data coded by GSM7 and UCS280 takes up a lot of space in the SIM card phone book

Method used

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  • Data storing and reading method, device and system for client identification card
  • Data storing and reading method, device and system for client identification card
  • Data storing and reading method, device and system for client identification card

Examples

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Embodiment Construction

[0075] In order to solve the problem in the prior art that the input characters are other languages ​​other than Latin languages ​​such as Western Europe, which only support the UCS2 80 encoding format in UCS2 encoding for encoding and storing, the problem of taking up a large storage space is adopted. The language can be set to one-byte encoding in GSM7 encoding format. Other languages ​​can not only choose UCS2 80 encoding according to the actual input character needs, but also choose UCS2 81 encoding and UCS2 82 encoding that occupy less storage space. The emergence of UCS2 81 and UCS2 82 encoding methods greatly reduces the storage space of data such as names in the SIM.

[0076] In the following, the UCS2 coding principle is firstly introduced so that those skilled in the art can understand the technical solution of the present invention more clearly. Usually, the names stored in the phone book of the SIM card use three UCS2 encoding formats: the first UCS2 80 encoding is...

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Abstract

The embodiment in the invention discloses a data storing, reading method, device and system of a customer identification card, belonging to mobile communication technique domain, so as to solve the problem that the data storage space in the phonebook of SIM card is limited using the prior technique, and the storage data is little. The embodiment provides a data storing method of customer identification card, comprising: receiving input character to be stored; selecting code format based on input character to be stored; coding the input character to obtain character code based on the selected code format; sending the character code to the mobile terminal and indicating the mobile terminal to store the character code in the customer identification card of the mobile terminal. The phonebook of SIM card can store more data.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a data storage and reading technology of a customer identification card. Background technique [0002] In the prior art, the application software of the host usually adopts GSM7 and UCS280 encoding methods to encode the data such as the name of the person that needs to be stored in the SIM card (Subscriber Identity Module, customer identification card) phone book of the mobile terminal connected to the host, and then Send the coded data and the storage instruction to the terminal, and the mobile terminal stores the coded data in the SIM card according to the storage instruction. GSM7 encoding is mainly to convert Western European languages ​​such as English and some commonly used special characters into 8-bit binary code words that occupy one byte of storage space; UCS280 encoding is to convert each character into 16-bit binary representation, a codeword that occupi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W88/02H04M1/02
Inventor 钟振
Owner HUAWEI DEVICE CO LTD
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