Finger movement mode based Morse code character inputting system and method

A Morse code and motion mode technology, applied in the field of virtual input devices, can solve the problem of being difficult to carry around, and achieve the effects of being convenient to carry, widely used, and easy to carry and use.

Active Publication Date: 2015-12-30
BEIJING CHUANGSI BODE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] For this reason, the technical problem to be solved by the present invention is the problem that the Morse code input device in the prior art is not easy to carry around, providing a portable, portable Morse code character input system based on finger movement patterns and method

Method used

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  • Finger movement mode based Morse code character inputting system and method
  • Finger movement mode based Morse code character inputting system and method
  • Finger movement mode based Morse code character inputting system and method

Examples

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Embodiment 1

[0047] A specific embodiment of the Morse code character input system based on the finger motion pattern of the present invention is provided below, the Morse code character input system based on the finger motion pattern includes a signal acquisition unit 101, a signal preprocessing unit 102 , signal segmentation unit 103 , feature extraction unit 104 , feature fusion unit 105 , and character mapping unit 108 . In this solution, the bioelectric sensor 1 installed on the wrist and the acceleration sensor 2 installed on the thumb respectively obtain gesture signals, and then obtain the contact action between fingers and the length of contact time through signal processing, feature extraction, and feature fusion. The three actions of long touch, short touch and release between fingers are respectively mapped to tick, answer and space in the basic units of Morse code, and then the corresponding characters are obtained according to the character code of Morse code, thus realizing ...

Embodiment 2

[0064] This embodiment provides an input method for the Morse code character input system based on the finger movement pattern in the above-mentioned embodiment, and the flow chart is as follows image 3 shown, including the following steps:

[0065] S1. The bioelectric sensor 1 installed on the wrist collects bioelectric information when the user's fingers move, and the acceleration sensor 2 installed on the thumb collects the movement trajectory and acceleration of the thumb.

[0066] The bioelectric sensor 1 is placed on the surface of the muscle group of the user's wrist, and includes multiple sensor probes, such as the electromyographic signal detection probe, the impedance detection probe on the skin surface, etc., to obtain the bioelectric information of the user's finger movement, such as obtaining the bioelectric information under the skin. EMG signals and impedance change signals on the skin surface, etc. The acceleration sensor 2 is placed on the surface of the use...

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Abstract

The invention provides a finger movement mode based Morse code character inputting system and method. Gesture signals are respectively obtained through a bioelectrical sensor arranged on the wrist and an acceleration sensor arranged on the thumb, then contact actions and contact time of fingers are obtained through signal processing, feature extraction and feature fusion, three actions of long-contact, short-contact and finger loosening are respectively mapped into tick, tock and blank space in a basically-formed unit of Morse codes, then corresponding characters are obtained according to character codes of the Morse codes, and accordingly Morse code input is achieved. The problem that a Morse code inputting device in the prior art needs a special device and is inconvenient to carry is solved. Due to the fact that the simple wearable sensors are arranged on the wrist and the thumb in the scheme, the device is very convenient to carry, does not need other complicated structures and is convenient to carry and use.

Description

technical field [0001] The invention relates to a virtual input device, in particular to a Morse code character input system and method based on finger movement patterns. Background technique [0002] The language of telegraphic communication is made up of coded symbols. Telegraph communication was first invented by Morse in the United States, so the code symbol is also called Morse code (Morsecode). The code symbol consists of two basic signals and different intervals: a short point signal ".", read "of" (Di); a long signal "─" that lasts for a certain period of time, read "answer─" (Da). It was widely used in early wartime telegraph communication. The correspondent kept pressing the transmitter, but in fact, according to certain rules, the "striker" and "needle plate" of the transmitter (both are image words) Contact is made to generate a long or short electrical signal. The receiver's transmitter will translate this electrical signal into a business signal such as the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/01G06F3/023
Inventor 姜晓丹刘勤何永振
Owner BEIJING CHUANGSI BODE TECH CO LTD
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