Method and system for realizing multimedia playing on cell phone terminal via SIM card

A technology for multimedia playback and mobile phone terminals, which is applied in telephone communication, electrical components, radio/induction link selection and arrangement, etc., which can solve the problem that operators cannot effectively carry out digital copyright protection, affect digital content value-added services, increase use costs and Difficulties and other problems to achieve the effect of enhancing brand service value, strengthening control means and control capabilities, and facilitating market development.

Active Publication Date: 2007-01-03
RDA MICROELECTRONICS SHANGHAICO LTD
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

However, in the field of mobile communications, due to the different DRM implementation mechanisms provided by different mobile phone manufacturers, a unified DRM service platform has not been formed, resulting in the inability of operators to effectively carry out digital copyright protection, which greatly affects their value-added services for promoting digital content
[0006] For mobile phone users, due to the faster and faster replacement of mobile phones, if the multimedia playback function is still implemented on the mobile phone terminal, when the user changes the phone, on the one hand, he needs to purchase the mul...

Method used

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  • Method and system for realizing multimedia playing on cell phone terminal via SIM card
  • Method and system for realizing multimedia playing on cell phone terminal via SIM card
  • Method and system for realizing multimedia playing on cell phone terminal via SIM card

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Embodiment Construction

[0039] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0040] Such as figure 1 As shown, the system for realizing multimedia playback on a mobile terminal through a SIM card in the present invention adopts a client / server architecture, including four parts: a mobile terminal, a signaling channel, a data channel, and a SIM card. Among them, the mobile terminal, as the client, sends commands related to multimedia operations to the SIM card through the signaling channel, such as play, fast forward, rewind, cycle, etc.; the SIM card acts as the server, receiving and analyzing the commands sent by the mobile terminal through the signaling channel Multimedia operation commands, and control the multimedia decoder to read and decode multimedia data files; the signaling channel and data channel are used as communication channels between the mobile phone terminal and the SIM card, and are mainly responsible...

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Abstract

A method for realizing multimedia play at mobile phone terminal through SIM card utilizes mobile phone terminal to realize display and play and utilizes SIM card to realize decoding function. The system with signaling channel for transmitting multimedia play control signal and data channel for transmitting large capacity of data at high speed between mobile phone terminal and SIM card is also disclosed.

Description

technical field [0001] The invention belongs to the field of integrated circuit chip / smart card design and mobile multimedia technology, and in particular relates to a method for designing a smart card / SIM (Subscriber Identity Module, subscriber identity module), using the SIM card to decode multimedia and playing it on a mobile phone terminal, and system. Background technique [0002] With the rapid development of mobile multimedia technology, mobile phones have entered the multimedia era. According to the prediction of relevant expert agencies, by 2008, color screens, embedded digital cameras, and polyphonic ringtones will all become standard configurations, and the mobile multimedia chips and business markets will reach billions and tens of billions of dollars respectively. Many mobile phone chip manufacturers have successively designed advanced multimedia functions as application modules and embedded them in mobile phone chip solutions; mobile phone manufacturers are ac...

Claims

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Application Information

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IPC IPC(8): H04Q7/32H04M1/7243
Inventor 黄正全杨延辉卜冀春
Owner RDA MICROELECTRONICS SHANGHAICO LTD
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