Handwriting input method and device based on temperature touch

A handwriting input and tactile technology, applied in the input/output process of data processing, input/output of user/computer interaction, instruments, etc., can solve the problem that the capacitive touch screen cannot work normally on the screen, and avoid digital symbol recognition Effects of confusion, prevention of misjudgment, and improvement of collection accuracy

Inactive Publication Date: 2015-02-04
SOUTHEAST UNIV
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is that the existing resistive screen needs a special

Method used

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  • Handwriting input method and device based on temperature touch
  • Handwriting input method and device based on temperature touch

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Embodiment Construction

[0026] Such as figure 1 Shown, the handwriting input method based on temperature touch of the present invention comprises the following steps:

[0027] Step 1, parameter initialization, setting the highest trigger threshold THu and the lowest trigger threshold TH1;

[0028]Step 2, data reading, regularly read the temperature value of each temperature collection point collected by the temperature sensor array, and store the temperature value collected at the previous moment as the historical temperature value, wherein, regularly read the temperature sensor array collected The period of the temperature value of each temperature collection point can be set to 0.15 seconds during specific implementation;

[0029] Step 3, obtain the maximum value of temperature rise, read the temperature value of each temperature collection point collected by the temperature sensor array at the next moment, and store the temperature value collected at this moment as the current temperature value, ...

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Abstract

The invention provides a handwriting input method and device based on temperature touch. The method comprises the steps of parameter initialization, data reading, acquisition of a temperature rise maximum value, fingertip touch judgment, acquisition of a temperature rise maximum value during movement, fingertip movement judgment and numeric character recognition. The device comprises a controller, and a temperature sensing array and a memory which are connected with the controller, wherein the controller comprises an initialization module, a data reading module, a temperature acquisition maximum value module, a fingertip touch judgment module, a movement acquisition module, a fingertip movement judgment module and a number recognition module. The handwriting input method and device based on temperature touch do not need interaction between any special stylus and a digital converter, working normally is realized even when a screen is wet, and a more attractive substitute for the traditional man-machine interaction interface is provided.

Description

technical field [0001] The invention relates to a handwriting input method and device, in particular to a temperature-tactile-based handwriting input method and device. Background technique [0002] With the rapid development of science and technology, the handwriting input devices of electronic products are increasingly diversified. Many sensor-based handwriting input devices have been developed, such as myoelectric sensors, visual sensors, inertial measurement devices, tilt acceleration sensors, optical axis angle sensors, capacitive sensors, resistive sensors, and writing force sensors. Pen computer technology has replaced the traditional human-computer interaction interface and has been successfully applied to notebook computers. At present, the more common touch screens are resistive screens and capacitive screens. Usually, resistive screens are more sensitive to resistance changes caused by different contacts, but a special pen is required to interact with the digitiz...

Claims

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Application Information

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IPC IPC(8): G06F3/01G06F3/041
CPCG06F3/016G06F3/041
Inventor 吴剑锋李建清张瑞顾乐王晓彬吕正刘保帅方维维齐济
Owner SOUTHEAST UNIV
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