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Gradient induction encrypted method

An encryption method and gradient technology, applied in the computer field, can solve problems such as inconvenient memory of numbers or letters, and troublesome users forgetting passwords.

Inactive Publication Date: 2007-06-06
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, various mobile intelligent terminals, such as PDAs, are being more and more widely used in the field of electronic computers. The password input is generally the traditional button or touch screen method, and the input password is mostly numbers or letters. It is not easy to remember, and users often cause unnecessary troubles because they forget their passwords

Method used

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Embodiment Construction

[0022] The present invention will be further described below through specific examples.

[0023] The present invention adopts the ADXL202E chip of ANALOG Company as the sensor chip 1 . The chip can measure both dynamic acceleration and static acceleration. Measuring range: ±2g. The ADXL202E chip is built into the mobile intelligent terminal and connected with the microprocessor μP of the mobile intelligent terminal. The ADXL202E chip circuit is shown in Figure 3. The connection of the eight pins of the chip is: V DD Connect 3V to 5.25V power supply; V DD and COM indirect capacitance C DC Play the role of decoupling, C DC Recommended value 0.1μF; X FILT , Y FILT connected to capacitor C X , C Y , and by C X , C Y The value to set the bandwidth of the low-pass filter; T2 connected to the resistor R SET ;X OUT and Y OUT They are the output in the X and Y directions respectively, which are connected to a timer / timer port of μP, and the μP calculates the acceleration ...

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Abstract

The invention discloses a gradient induction encrypting method, it is mainly composed of sensor chip 1 and microprocessor 2, the balancing induction signal of sensor chip is transmitted to timer / counter port of microprocessor, the microprocessor decodes the balancing induction signal, and records the moving trail of cursor as keyword of moving intelligent terminal, the keyword is inputted by swaying control panel of intelligent terminal, compares the new cursor moving trail with stored keyword in memory to complete encrypting. The excellence of the invention is using the cursor moving trail as keyword of intelligent terminal, which replaces the traditional key-press or touch screen, avoids the shortage of number and letter being not easy to remember, reduces many unnecessary trouble due to forgetting keyword. The encrypting method do not influence portability of moving intelligent terminal, so it has the characters such as simple structure, strong operating reliability, it is a ideal moving intelligent terminal for all computer users.

Description

technical field [0001] The invention relates to the field of computers, in particular to an encryption method for a mobile smart terminal. Background technique [0002] At present, various mobile intelligent terminals, such as PDAs, are being more and more widely used in the field of electronic computers. The password input is generally the traditional button or touch screen method, and the input password is mostly numbers or letters. It is not easy to remember, and users often cause unnecessary troubles because they forget their passwords. If it is possible to realize a password protection method without keys without affecting the portability of the mobile smart terminal, and the input password is easy to remember, this will undoubtedly bring great convenience to the majority of mobile smart terminal users. [0003] The encryption method of the mobile intelligent terminal proposed by the present invention uses gravity as an input vector of the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/033G06F3/00G06F3/0346
Inventor 王金刚李蕊王铮王达心孙效闻左国辉
Owner TIANJIN UNIV
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