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Projection type reading horizon splitter using LED as light source

A projective and splitter technology, applied in the field of visual field splitting tools, can solve the problem of inconvenient use of the reading visual field splitter

Pending Publication Date: 2017-10-31
LISHUI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention provides a reading field of view divider that can realize continuous page turning, which solves the problem that the above-mentioned reading field of view divider is inconvenient in use

Method used

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  • Projection type reading horizon splitter using LED as light source
  • Projection type reading horizon splitter using LED as light source
  • Projection type reading horizon splitter using LED as light source

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Embodiment Construction

[0017] Specific embodiments of the present invention are described below with reference to the accompanying drawings: figure 1 , figure 2A kind of projected reading visual field divider that uses LED as light source shown, is divided into main frame (11), support (12) and several parts of base (13) structurally, main frame (11) is made up of casing (1), light source ( 2), a condenser (3), a picture (4), a projection lens (8), a power switch (9), and a brightness adjustment switch (10). Support (12) and base (13) can adopt the similar structure of present desk lamp, can divide various types and styles. The functions of the support (12) and the base (13) are to adjust the position of the host (11), so that its light can be projected onto the pages of the book being read, and the field of view is divided. Main frame (11) shell (1) is cylindrical, can be made of plastics or metal, if be metal, then have heat radiation effect concurrently. The light source (2) is installed behi...

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Abstract

The invention discloses a projection type reading horizon splitter using LED as a light source. The reading horizon splitter comprises a main frame, a rack and a base, wherein the main frame comprises a shell, a light source, a collecting lens, a picture, a projection lens, a power supply switch, an intensity control switch and the like, wherein the light source is used for projecting horizon split images divided on the picture onto books and other paper texts through the collecting lens and the projection lens to complete horizon splitting, and the problem that pages cannot turned continuously when fast reading training is carried out by using the horizon splitter is solved. According to the projection type reading horizon splitter using LED as a light source, the horizon split size is controlled by controlling the size of a projection image, while the size of the projection image is regulated by the distance from the projection lens to a book, the distance from the projection lens to a picture and the focal length of the projection lens. The projection type reading horizon splitter using LED as a light source is simple in method, convenient to use and remarkable in effect, and has great help for fast reading training.

Description

technical field [0001] The invention relates to a vision segmentation tool used in speed reading training. Background technique [0002] The speed of reading depends on the size of the visual field. When reading, according to the size of the visual field, reading can be divided into three categories: dot reading, line reading and surface reading. The dot type reading field of view is the smallest, only one or two characters, and the reading speed is only a few hundred words per minute; the size of the line type reading field of view is more than a few characters, and the words in the field of vision are connected in a straight line, and the field of view can reach a line of text at the maximum. The reading speed can reach more than 1,000 to 2,000 words per minute; the size of the surface reading field of view is more than two lines of text, and the shape of the field of vision is a plane, and the reading speed can reach several thousand words per minute or higher. [0003] ...

Claims

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Application Information

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IPC IPC(8): G09B17/04
CPCG09B17/04
Inventor 王坚毅
Owner LISHUI UNIV
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