Process upgrade
Through these principles, we can know that most innovations or inventions are not brand new, but new applications of some existing principles or structures in new fields. You can see that many patents are actually the same, or a small improvement on the original basis can produce a new invention, which is also the result of TRIZ summarizing 500,000 invention patents, and TRIZ methodology believes that our subsequent innovative inventions can be further developed or improved on the basis of some existing inventions.
Keyboard innovation