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The method of the cooperative use of the data structure of the phone directory in the large-capacity SIM card

A data structure and phone book technology, applied in the field of telecommunications, can solve problems such as unfavorable expansion in a wider range, limited SIM card capacity, and no solution to the diversification of contact information

Inactive Publication Date: 2009-08-26
上海量昌信息科技有限公司
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Since the capacity of the traditional SIM card is always limited, this method is also not conducive to the needs of a wider range of expansion, and this method does not propose a solution to the problem of diversification of contact information

Method used

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  • The method of the cooperative use of the data structure of the phone directory in the large-capacity SIM card
  • The method of the cooperative use of the data structure of the phone directory in the large-capacity SIM card

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Embodiment Construction

[0074] This embodiment is carried out on the premise of the technical solution of the present invention, and the detailed implementation and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.

[0075] The present embodiment adopts: the new high-capacity SIM card chip of Korea Samsung Company: model S3FJ9CH, is equipped with 128M Nand Flash memory and MMC high-speed communication interface. The specific implementation is as follows:

[0076] (1) if figure 1 As shown, three phonebook files are set in the large-capacity SIM card: the abbreviated dial file in the main phonebook file is set in the "SIM" area, and the image phonebook file and the extended phonebook file are set in the "Flash" area. Now assume:

[0077] ① There are 255 contact records in the abbreviated dialing file in the main phonebook file.

[0078] ②The image phonebook file number book and the extended phonebook file are stored i...

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Abstract

The invention relates to a method for cooperative use of the data structure of the phonebook on the large-capacity SIM card in the technical field of telecommunications. Comprise the following steps: three phonebook files in two different storage regions of the large-capacity SIM (S-SIM) card will provide the phonebook function of the large-capacity SIM card as a whole; set the described image phonebook File and the structure of the records in the extended phone book file; when using the phone book of this large-capacity SIM card, judge the mobile phone type: ordinary mobile phone or S-SIM mobile phone; The application process is the same as the phonebook application process using a traditional SIM card; the mobile phone is an S-SIM mobile phone, and the initialization process of the phonebook application is performed first; the S-SIM mobile phone performs various operations on the phonebook file of the large-capacity SIM card. The invention enables the large-capacity phone book to be used on the large-capacity SIM card, and can also be used in cooperation with the phone book in the traditional SIM card, thereby expanding the application of the SIM card phone book.

Description

technical field [0001] The invention relates to a method in the technical field of telecommunications, in particular to a method for cooperatively using the data structure of a phonebook on a large-capacity SIM card. Background technique [0002] With the expansion of the human social circle in modern society, there is a need to store a large number of contact names, phone numbers and other information. With the rapid development of modern communication technology, such needs have been met on modern communication equipment, users can store contact information in the phone book provided by mobile phones or SIM (Subscribe Identity Module, SIM for short) cards middle. With the continuous increase of contact information, mobile phones or SIM cards often cannot meet the storage needs of users due to the limitation of storage capacity. With the continuous development of mobile phone technology, this problem has been solved in today's new mobile phones. The storage capacity of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04M1/275H04M1/2745H04W88/02G06K19/07G06F17/30
Inventor 邬佳希王相生邵志民
Owner 上海量昌信息科技有限公司
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