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Input device and input method using virtual keys

A technology of an input device and an input method, applied in the field of information input, can solve the problems of constant portability, large volume, and the inability of a physical keyboard to replace the keyboard interface as needed, and achieves the effects of simple structure and low cost

Active Publication Date: 2016-02-10
FORYOU GENERAL ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Once the codes and symbols of the keyboard are printed, they cannot be changed
When users need to switch between languages ​​of various countries, the traditional physical keyboard cannot replace the required keyboard interface as needed
In addition, the traditional keyboard with physical keys also has the disadvantages of being bulky and not portable

Method used

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  • Input device and input method using virtual keys
  • Input device and input method using virtual keys
  • Input device and input method using virtual keys

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Embodiment Construction

[0024] refer to figure 1 , The input device using virtual keys provided in an embodiment of the present invention includes a projection module 11 , a camera module 13 , an analog-to-digital conversion module 15 , a processing module 17 and a finger model library 19 . Wherein, the projection module 11 projects the key position images onto the physical plane 12, and each key position image represents a key for the user to tap. It should be appreciated that the physical plane 12 is mainly used to display the projection of the keys, therefore, the physical plane 12 can be a strictly flat plane, or a roughly flat plane; it can be some kind of rigid plane, or it can be a certain The surface of a flexible object, for example, the flexible object is a plastic part that can be folded or rolled up for easy portability. The camera module 13 captures the key image on the physical plane and the finger image on the physical plane. The analog-to-digital conversion module 15 is connected wi...

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PUM

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Abstract

The invention discloses an input device and an input method using virtual keys. The input device includes: a projection module, used to project the key position image onto the physical plane; a camera module, used to capture the key position image and the finger image on the physical plane; an analog-to-digital conversion module, the modulus The conversion module is connected with the camera module to convert the key image and finger image into a digital image sequence; the finger model library is used to store the finger model; the processing module, the processing module is connected with the analog-to-digital conversion module and the finger model library connected, according to the digital image sequence and the finger model to recognize the key position tapped by the finger, and generate a corresponding input signal. By implementing the present invention, input can be realized without physical keys, and the structure is simple, the cost is low, and the device is easy to carry.

Description

【Technical field】 [0001] The invention relates to information input, in particular to an input device using virtual keys and an input method thereof. 【Background technique】 [0002] The keyboard is the most common and main computer input device, and it is widely used in microcomputers and various terminal devices. Computer operators input various instructions and data to the computer through the keyboard to direct the work of the computer. The operation of the computer is output to the monitor, and the operator can easily use the keyboard and monitor to talk to the computer, modify, edit, control and observe the operation of the computer. [0003] Common keyboards are mainly keyboards with physical keys. The contact-type physical keypad realizes signal input mainly through the on-off of the contacts. The non-contact physical keypad mainly realizes signal input through the Hall effect and capacitive switches. The traditional keyboard with physical keys has the advantages ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/01
Inventor 胡元峰
Owner FORYOU GENERAL ELECTRONICS