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Method for reading contact person information in smart card

A technology of contact person information and smart card, which is applied in the field of reading contact person information in the smart card, and can solve problems affecting boot efficiency and other issues

Active Publication Date: 2018-05-15
ACER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the existing technology may spend a lot of time reading the header and body part of the unused elementary file, thereby affecting the boot efficiency

Method used

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  • Method for reading contact person information in smart card
  • Method for reading contact person information in smart card
  • Method for reading contact person information in smart card

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Embodiment Construction

[0015] The present invention provides a method for reading contact information in a smart card, which can be applied to different types of user equipment, including mobile phones, personal digital assistants (personal digital assistant, PDA), palm-sized (handheld) computers, tablet (tablet) Computer, mini desktop (nettop) computer, notebook (laptop) computer, or other devices with communication functions. However, the type of user equipment does not limit the scope of the present invention.

[0016] In the user equipment to which the method of the present invention is applied, different types of smart cards can be installed therein, such as the subscriber identity module card of the global system for mobile communications (GSM) system, the universal mobile telecommunications system (universal mobile telecommunications system , UMTS) universal subscriber identity module (USIM) card, code division multiple access (code division multiple access, CDMA) system removable user identi...

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Abstract

The invention discloses a method for reading contact information in a smart card. During the boot process of the user equipment, the main part of the main basic file of the contact person in the smart card memory is read, and the type-basic file, type-basic file, The main part of the type 2 basic file or the main part of the type 3 basic file to avoid unnecessary reading of the main part of the unused data in other types of basic files in the contact, thereby improving the boot efficiency.

Description

technical field [0001] The invention relates to a method for reading contact person information in a smart card, in particular to a method for reading basic files of relevant contact person information in a smart card. Background technique [0002] A Subscriber Identity Module (SIM) card is a smart card used to store subscriber identification data for mobile phone services, and can also be used to store SMS data and phone numbers. In terms of external hardware, the SIM card consists of a central processing unit (CPU), a read-only memory (ROM), a random access memory (RAM), an electronic erasable program It is composed of components such as electrically erasable programmable read-only memory (EEPROM) and input / output (I / O) circuits. In terms of internal data, the SIM card adopts a hierarchical (hierarchical) logical data structure, which includes elementary files (elementary file, EF), dedicated files (dedicated file, DF) and main files (master file, MF) etc. types of data....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K7/00G06F17/30
Inventor 庄佳芸
Owner ACER INC