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Method of displaying information

A technology for displaying information and executing steps, applied in the field of information security, can solve problems such as screen flickering, achieve the effect of less display information, occupying less chip space, and avoiding screen flickering

Active Publication Date: 2013-03-20
FEITIAN TECHNOLOGIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the existing technology, there is no faster and better way to display information on the LCD screen faster, and the screen often flickers

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] Embodiment 1 of the present invention provides a method for displaying information, such as figure 1 shown, including:

[0069] Step 101: the device waits to receive instructions sent by the host computer;

[0070] The instruction is the data received through the USB interface after the device is powered on and self-tested;

[0071] Step 102: The device judges the type of the received instruction;

[0072] If the received instruction is a message parsing instruction, then perform step 103 to step 110;

[0073] If the received instruction is a message signature instruction, then perform step 111 to step 114;

[0074] If the received instruction is other operation instructions, then execute step 115;

[0075] Specifically:

[0076] The first and second bytes of the instruction are the type part of the instruction, and the device determines the instruction type by judging the first two bytes of the received instruction:

[0077] If the first two bytes are 0x002A, it ...

Embodiment 2

[0107] Embodiment 2 of the present invention provides a method for displaying information, such as figure 2 shown, including:

[0108] Step 201: the device waits to receive an instruction sent by the host computer;

[0109] The instruction is the data received through the USB interface after the device is powered on and self-tested;

[0110] Step 202: The device judges the type of the received instruction;

[0111] If the received instruction is a message parsing instruction, then execute steps 203-210;

[0112] If the received instruction is a message signature instruction, then execute steps 211-213;

[0113] If the received instruction is another operation instruction, then execute step 214;

[0114] Specifically:

[0115] The first and second bytes of the instruction are the type part of the instruction, and the device determines the instruction type by judging the first two bytes of the received instruction:

[0116] If the first two bytes are 0x002A, it means that...

Embodiment 3

[0143] Embodiment 3 of the present invention provides a method for displaying information on the basis of Embodiment 1 or 2, such as image 3 shown, including:

[0144] Step 301: the device waits to receive an instruction sent by the host computer;

[0145] The instruction is the data received through the USB interface after the device is powered on and self-tested;

[0146] Step 302: The device judges the type of the received instruction;

[0147] If the received instruction is a message parsing instruction, execute steps 303-317;

[0148] If the received instruction is a message signature instruction, then execute steps 318-326;

[0149] If the received instruction is other instructions, then execute step 327;

[0150] Specifically:

[0151] The first and second bytes of the instruction are the type part of the instruction, and the device determines the instruction type by judging the first 2 bytes of the received instruction:

[0152] If the first and second bytes of ...

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Abstract

The invention discloses a method of displaying information and belongs to the field of information safety. The method of displaying the information includes the following steps. Regular information codes and corresponding character model data are placed in a 'regular character zone'. When a character resolved by an instruction is identical with the content of the 'regular character zone', the content is directly stored in a display buffer cache and a liquid crystal screen is used for displaying the information. A process of transforming character codes is removed in the method of displaying the information so that the information can be rapidly displayed and screen blinking is avoided. Stored display information is less and little in occupied space in a chip.

Description

technical field [0001] The invention relates to the field of information security, in particular to a method for displaying information. Background technique [0002] With the rapid development of the information industry, the development of information technology has not only brought great convenience to people's lives, but also fundamentally changed people's lifestyles, behaviors and values. It also had a huge and profound impact. [0003] In the prior art, there is no faster and better way to display information on the liquid crystal screen faster, and the screen often flickers. Contents of the invention [0004] The purpose of the present invention is to solve the problems existing in the prior art and provide a method for displaying information. [0005] The technical solution adopted in the present invention is: a method for displaying information, comprising: [0006] Step 101: the device waits to receive instructions sent by the host computer; [0007] Step 102...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/147G06F9/30
Inventor 陆舟于华章
Owner FEITIAN TECHNOLOGIES
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