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A camera-type optical multi-touch device

A technology of multi-touch and image acquisition devices, which is applied in the directions of optics, projection devices, printing devices, etc., can solve the problems of inconvenience and installation restrictions, and achieve the effects of convenient installation, strong adaptability and cost saving

Inactive Publication Date: 2016-04-20
无锡海森诺科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In the above patents, high-power infrared array lasers need to be installed at the four corners of the touch frame, power lines need to be placed around the touch frame, and corresponding laser installation structures are required. There are many installation restrictions in many scenarios, which is very inconvenient.

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  • A camera-type optical multi-touch device
  • A camera-type optical multi-touch device
  • A camera-type optical multi-touch device

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Embodiment Construction

[0026] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0027] Such as figure 2 with image 3 As shown, the purpose of the present invention is to propose a multi-touch device based on infrared line array laser, as shown in the figure below, the device is mainly composed of the following five parts:

[0028] (1) Infrared line array laser, the device contains two high-power infrared line array lasers, which are used to create an infrared light network parallel to the touch surface at a place very close to the plane of the touch surface of the touch base; the two infrared line array lasers The irradiation angle needs to cover the entire touch area, preferably greater than 90°.

[0029] (2) The touch bottom plate, which is provided with a touch surface and provides installation support for ...

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Abstract

The invention discloses a camera-type optical multi-touch device, comprising: a touch base plate, a bracket, an image acquisition device, and a touch coordinate calculation device; The computing device is arranged on the support to obtain the coordinate position of the touched object on the touch base plate. A laser installation groove is formed on the touch base plate, and the infrared line array laser is embedded in the laser installation groove. The infrared light emitted by the infrared linear array laser is close to the top of the touch plane of the touch base plate, and covers the entire touch area of ​​the touch base plate; the present invention only needs to embed the infrared linear array laser into the laser installation groove to realize its installation, without In addition, other related components are installed, and all related components can be manufactured in one device, which can be easily installed and used in various occasions.

Description

technical field [0001] The present invention relates to the field of multi-touch technology of human-computer interaction, in particular to a camera-type optical multi-touch device. Background technique [0002] With the rapid development of information technology, the operation ability of computer has been greatly improved, and how to improve the interaction ability between human and machine has been paid more and more attention. Touch technology is a technology that directly touches the surface of the display device to control the computer, allowing users to directly click, drag, zoom in, zoom out and other operations with fingers or other handheld objects. [0003] Chinese patent CN101566899 discloses a multi-touch signal trigger method and system based on linear array laser, such as figure 1 As shown, a layer of laser light curtain parallel and close to the surface of the display screen is generated above the display screen, so that when multiple fingers and stylus touc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/042G03B29/00
Inventor 李晓强
Owner 无锡海森诺科技有限公司