Dual-card intelligent switch method for mobile phone

A mobile phone and intelligent switching technology, which is applied in the direction of telephone communication, telephone structure, electrical components, etc., to achieve the effect of fast dual card switching

Active Publication Date: 2008-05-21
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is to effectively solve the dual-card switching problem of a single-chip dual-card single-standby mobile phone

Method used

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  • Dual-card intelligent switch method for mobile phone
  • Dual-card intelligent switch method for mobile phone
  • Dual-card intelligent switch method for mobile phone

Examples

Experimental program
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Embodiment Construction

[0022] The invention relates to a method for intelligently switching SIM cards of a dual-card single-standby mobile phone by using a single set of chips. Please refer to FIG. 1 , which is a dual-card mobile phone 10 applied to the dual-card intelligent switching method of the present invention. The mobile phone 10 has two SIM card slots, which are respectively equipped with a SIM card one 11 and a SIM card two 12 .

[0023] Please refer to FIG. 2 , which is a block diagram of the mobile phone 10 . This mobile phone 10 comprises baseband processing chip, the SIM card interface that is connected with baseband processing chip and chip selection control, is connected to the electronic switch of SIM card interface and chip selection control simultaneously, two SIM card slots that are connected in parallel to electronic switch (respectively) SIM card one 11 and SIM card two 12), a display connected to the baseband processing chip, a keyboard, a radio frequency module, a power suppl...

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PUM

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Abstract

The invention discloses a method for intelligently switching between dual cards in a mobile phone, which includes the following steps: providing a first user identification card and a second user identification card, and installing them in a dual identification card slot on the mobile phone; providing an electronic Switch, the electronic switch can control the selection of the first user identification card and the second user identification card; power on the user identification card, control the electronic switch to select one of the first user identification card or the second user identification card as the logged-in user identification card , then another subscriber identity card is set as an unlogged subscriber identity card; the mobile phone protocol stack is started, and the selected subscriber identity card enters a standby state; an instruction to switch subscriber identity cards is issued; the existing protocol stack is closed; The subscriber identification card in the standby state; the electronic switch turns on the subscriber identification card to be switched; the newly switched subscriber identity card opens the protocol stack to reach the standby state.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to an intelligent switching method for a single-chip dual-card single-standby mobile phone. Background technique [0002] At present, users who use the Global System for Mobile Communications (Global System for Mobile; GSM) can only obtain network services after inserting a Subscriber Identification Module Card (SIM card for short) into a mobile phone. Through the SIM card, the user can become a registered user of the network and enjoy various services provided by the network. Most of the mobile phones on the market currently have a single SIM card, but many users have more than one SIM card and often need to change the SIM card It is quite inconvenient to use. [0003] Driven by technology, market and wireless mobile application business, the wireless mobile communication industry has developed rapidly, and mobile communication products have become a necessity for people's dail...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/32H04M1/02
Inventor 崔世军
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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