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Optical illusion ladder

An optical illusion and ladder technology, which is applied in the field of optical illusion ladders to achieve the effects of being conducive to demonstration and discrimination, simple structure and convenient operation.

Inactive Publication Date: 2015-11-18
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there is a lack of specialized demonstration equipment that can clearly demonstrate and verify optical illusions

Method used

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  • Optical illusion ladder
  • Optical illusion ladder

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Embodiment Construction

[0011] Such as figure 1 As shown, an optical illusion ladder includes two left and right uprights 1 and several rungs 2 fixed between the two uprights 1, each rung 2 is arranged parallel to each other, and the surface of each rung 2 is provided with diagonal stripes , the oblique stripes set on the surfaces of two adjacent rungs 2 have different inclination directions, which are left low right high oblique stripes 21 and left high right low oblique stripes 22 respectively. Diagonal stripes of the same shape are arranged on the shafts of the two vertical poles 1 .

[0012] Such as figure 2 As shown, the shafts of the two poles 1 at the back of the ladder are provided with a length scale 3 along the length direction of the poles 1 for verifying whether each crosspiece 2 is parallel.

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Abstract

The invention discloses an optical illusion ladder. The optical illusion ladder comprises a left vertical rod, a right vertical rod and a plurality of crosspieces; the crosspieces are fixed between the left vertical rod and the right vertical rod and are parallel to one another; oblique stripes are arranged on the surface of each crosspiece; oblique directions of the oblique stripes on the surfaces of each two adjacent cross pieces are different; the oblique stripes on the surfaces of each two adjacent cross pieces are oblique stripes of which left portions are lower than right portions and oblique strips of which left portions are higher than right portions; and a length scaleplate for verifying whether the crosspieces are parallel to one another or not is arranged on the rod body of each vertical rod along the length direction of the vertical rod. The optical illusion ladder is simple in structure and convenient to operate; and demonstration and distinguishing of optical illusion are facilitated.

Description

technical field [0001] The invention relates to a daily life appliance capable of producing optical illusion effects, in particular to an optical illusion ladder. Background technique [0002] Optical illusions are erroneous judgments and perceptions based on empirical or improper reference when people observe certain objects. There are many types of optical illusions, such as color optical illusions, motion optical illusions, geometric optical illusions, etc. Optical illusions are widely used in physics, physiology, architectural design, product design and other fields. Designing an optical illusion demonstration device is conducive to enriching the content of popular science activities and stimulating people's interest in exploring scientific secrets. At present, there is a lack of specialized demonstration equipment that can clearly demonstrate and verify optical illusions. [0003] A ladder is a climbing tool commonly used in life and work, and consists of two vertica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E06C1/08E06C7/08
Inventor 陈健朱云朱纯王子玉
Owner JIANGNAN UNIV
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