New type handset with built-in USB interface flash memory

A USB interface and memory technology, applied in the field of new mobile phones, can solve the problems of not providing mobile storage functions for users

Inactive Publication Date: 2004-07-28
宋春雨
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] People generally have important data or files in their daily work or study, which need to be transferred or exchanged between different locations. However, as a personal communication tool, mobile phones now have increasingly diverse functions and gradually incorporate other functions, such as PDA, MP3, FM radio, etc., but do not provide users with mobile storage function, a popular and practical function that allows users to freely access important data

Method used

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  • New type handset with built-in USB interface flash memory

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Embodiment Construction

[0028] The functions introduced in the content of the present invention will be further described below in conjunction with the accompanying drawings.

[0029] (1) The function of writing data from the peripheral (computer) to the flash memory enables the data to enter the USB interface 1 of the mobile phone from the USB interface 0 of the peripheral (computer), and then read it into the flash memory control chip 3 from the USB interface 1 of the mobile phone Among them, the flash storage control chip 3 checks the state of the write protection switch according to the content of the data, if it contains a write operation command, if it is in the write protection state, the system will prompt the write protection information; if it is in the non-protection state, then write the fast In the flash memory 4, the write operation ends.

[0030] (2) The function that data is read out from the flash memory to the peripheral (computer) realizes the flash memory control chip 3 according ...

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Abstract

The invention relates to a new mobile phone which is embedded with USB interface quick flash memory, it embeds standard USB interface, quick flash memory and quick flash memory control chip, the mobile phone can read and write personal data through USB interface or channel; the mobile phone can use digital certification to accomplish the sign operation and electron business; it also has intelligent charging function.

Description

technical field [0001] The invention is a novel mobile phone, more specifically, a mobile phone with a USB (Universal Serial Bus) interface and a flash memory. Background technique [0002] USB is the Universal Serial Bus (Universal Serial Bus), and the USB interface is the Universal Serial Bus interface. It is a serial bus system that supports plug-and-play functions and hot-swappable functions. In 1994, Compaq, Jointly launched by IBM, Intel and Microsoft, the USB interface has become a widely used standard interface for computers and other computing devices. [0003] Flash memory, the English name is Flash Memory or Flash Disk, a new storage technology that has been introduced in recent years. It has good security, can be erased and written more than 1 million times, has large capacity, small size, and much higher reliability than disks. It is an alternative Disk removable storage media. [0004] People generally have important data or files in their daily work or study...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04M1/02
Inventor 宋春雨
Owner 宋春雨
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