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Invisible combined pen having invisible and revealing functions

A combination of pen and function technology, applied in writing utensils, multi-purpose writing utensils, printing, etc., can solve problems such as no use, achieve the effects of saving time, enhancing memory ability, and improving learning efficiency

Inactive Publication Date: 2005-03-30
李全水
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of invisible pen is only used for scribing lines in clothing and shoemaking industries (that is, the scratches can disappear naturally within one to several days after scribing), and has almost no use in other aspects.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0033] Example 1. Used to learn foreign language words

[0034] Copy the foreign language words you learn every time in the notebook with ordinary ink pen, and then use the invisible pen to mark the Chinese meaning behind it. Over time, there are more and more words, and the Chinese characters marked in front are also disappearing. After a while, when you review the words you have learned before, when you see a word but can’t recall it, you will definitely think about it seriously. It will appear immediately and give you a feeling of sudden enlightenment. In this way, the word will be deeply remembered in your brain, which will enhance your memory ability, and you don't have to spend time looking for the word in the dictionary or textbooks, which saves learning time. Improve learning efficiency.

example 2

[0035] Example 2. Used to memorize difficult words

[0036] In the process of daily study, write the difficult-to-read words in the notebook with ordinary ink, and then write their pinyin symbols with an invisible pen, and use a page to record the difficult-to-read words. When you come across a difficult word in the future and you don't know how to read it, you only need to touch it with a color developing pen to reveal the pinyin. You don't need to look it up in the dictionary, and you can remember it very fast and save time.

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PUM

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Abstract

A pair of pen with disappearing and displaying functions consists of a pen which can write word on paper and the written word can be disappeared naturally in the air as well as a pen which can redisplay the disappeared word at any time for a numbers of times. The pens are very much useful in studying foreign language and in remembering physical formula or chemical element symbol.

Description

Technical field: [0001] The invention relates to a new type of cultural learning tool, which belongs to the field of cultural and educational supplies and daily chemical industry. It specifically refers to an invisible pen that can write on paper and the handwriting will disappear naturally in the air, and a color development that can redisplay the disappeared handwriting written with the invisible pen at any time when needed and can be displayed repeatedly for many times. The two form a hidden and visible combination pen with invisible function and color rendering function. technical background: [0002] The commercially available invisible pen is also called fading pen. One of the invisible principles of the invisible pen is: the ink in the invisible pen contains a certain special pigment, and the color of this pigment will change with the difference of pH. For example: pine pigment, red in alkaline, colorless in acidic. In an alkaline environment, the words drawn on pa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B43K27/00
Inventor 李全水
Owner 李全水
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