Three-dimensional space wireless mouse

A wireless mouse and three-dimensional space technology, applied in the field of human-computer interaction, can solve problems such as the difficulty in accurately judging the range of mouse movement, displacement estimation errors, and the three-axis acceleration sensor is easily affected by background noise, etc., to expand the use of objects and applications area, simple operation, and the effect of improving positioning accuracy

Inactive Publication Date: 2013-06-26
陈建新 +2
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  • Application Information

AI Technical Summary

Problems solved by technology

However, since the three-axis acceleration sensor is easily affected by background noise, the displacement estimation obtained through the second integration has a large error, so it is difficult to accurately determine the range of mouse movement

Method used

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  • Three-dimensional space wireless mouse
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  • Three-dimensional space wireless mouse

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Embodiment Construction

[0020] Such as figure 1 As shown, the wireless mouse implemented by the present invention includes two parts: a wireless mouse and a wireless receiving module. The wireless mouse includes a MEMS three-axis acceleration sensor and a wireless data sending module. The three-axis MEMS acceleration sensor is used to collect the acceleration value of the mouse orthogonal to each other in the three-dimensional space. x , A y And a z , And use the wireless sending module to transfer the collected acceleration value a x , A y And a z Use low-power wireless communication technology to send to the wireless receiving module connected to the PC. The wireless receiving module reorganizes the acceleration value received by the radio frequency channel and forwards it to the connected PC using the USB interface.

[0021] In the implementation method of the present invention, the three-axis acceleration sensor adopts a commonly used MEMS three-axis acceleration sensor in the market, such as MMA 72...

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Abstract

Disclosed is a designing method of a three-dimensional space wireless mouse. A micro-electromechanical system (MEMS) three-axis acceleration sensor and low-power-consumption wireless communication technology are utilized to realize the effect that the mouse moves freely in a three-dimensional space. The MEMS three-axis acceleration sensor detects acceleration values of the wireless mouse in the three-dimensional space in real time, the acceleration values are sent to a wireless receiving module through the low-power-consumption wireless communication technology like Zigbee/ IEEE802.15.4 or bluetooth technology, and the wireless receiving module is connected with a personal computer (PC) through a universal serial bus (USB) interface. The wireless receiving module sends the received three-axis mutually orthogonal acceleration values of the wireless mouse in the three-dimensional space to the PC through the USB interface. The PC compute momentary attitude angles (two angles) of the wireless mouse in the three-dimensional space according to the received three-axis acceleration values. The attitude angles are compared with those in the prior moment to work out the change of the momentary inclined angles of the mouse and the change is transferred to the movement of the mouse in the horizontal direction and the vertical direction so as to realize two-dimensional operation of the mouse.

Description

Technical field [0001] The invention relates to a wireless mouse design method. The wireless mouse realized based on the method can move freely in three-dimensional space and control computer operations. It is especially suitable for the operation of the computer without a desktop or other auxiliary countertops, and for handicapped persons with disabilities. It belongs to the field of human-computer interaction technology. Background technique [0002] The mouse is a major breakthrough in the field of human-computer interaction, providing a convenient means for computer operations. Most of the mice currently available on the market use photoelectric technology, and need to use an auxiliary desktop or table to complete the movement position capture. For users of wired mice, not only are they inseparable from auxiliary facilities such as the desktop, but the mouse cannot move arbitrarily on the desktop due to the entanglement of wires. In recent years, with the development of wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/0354
Inventor 陈建新杜月林林宏王荣
Owner 陈建新
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