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Locating system

A positioning system and positioned technology, applied in the field of information processing, can solve problems such as inability to perform digital writing and input

Inactive Publication Date: 2010-08-18
李幸超 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this solution can only be written on special paper, but not on other planes. When the user does not have this special paper, digital writing and input cannot be performed.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0051] An example is given below.

[0052] See attached figure 1 , assuming that the light reflecting surface (2) in the positioning system (1) is a plane on the shell of a mobile phone, the length of this plane is 12 cm, and the width is 6 cm. The length of each small area is 0.1 mm, and the width is 0.1 mm, there are 720,000 small areas on the light reflecting surface (2) like this, and the 4th small area (4) is exactly one of them.

[0053] See attached figure 2 , which is a schematic diagram of a pattern of a certain small area (201) on the light reflecting surface (2), including a circle (204) in the pattern, and a first pointing needle (202) and a second pointing needle (202) are arranged in the circle (204). Two pointing needles (203). Both the first pointing needle (202) and the second pointing needle (203) can rotate with the origin of the circle (204) as the origin. There is a breach (205) on the circle (204), and this position just can be set as the starting posi...

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PUM

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Abstract

The invention discloses a locating system (1), consisting of a light reflecting surface (2) and a located part (3). The invention is characterized in that incident light is reflected by the light reflecting surface (2); the reflected light of the light reflecting surface (2) is received and analyzed by the closer located part (3) so as to enable different small areas on the light reflecting surface (2) to have different unique identification characteristics; and the small area where the located part (3) is placed on is determined through the identification characteristics received by the located part (3), thereby locating the small area.

Description

technical field [0001] The invention relates to a positioning system using optics, which belongs to the field of information processing. Background technique [0002] The optical positioning sensor disclosed now is mainly an optical sensor used on an optical mouse, which continuously "photographs" the contact interface during the movement of the mouse, and the optical sensor records continuous patterns, and then passes through the "digital signal processor" (DSP) compares and analyzes each picture before and after to judge the direction and displacement of the mouse movement. Its disadvantage is that it is necessary to compare the coordinates before and after to obtain the direction and displacement, and these positioning methods can only know the direction and relative displacement of the mouse movement, which is a kind of relative coordinate positioning. The coordinates obtained at the original position may also be different from the last time, so when this positioning me...

Claims

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Application Information

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IPC IPC(8): G06F3/033G06F3/0354
Inventor 旋永南
Owner 李幸超