Theory of Inventive Problem Solving (triz)


Table 3. The 40 Inventive Principles



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Table 3. The 40 Inventive Principles.

1. Segmentation

a. Divide an object into independent parts

b. Make an object sectional

c. Increase the degree of an object's segmentation



Examples:

2. Extraction

a. Extract (remove or separate) a "disturbing" part or property from an object, or

b. Extract only the necessary part or property

Example:


  • To frighten birds away from the airport, use a tape recorder to reproduce the sound known to excite birds. (The sound is thus separated from the birds.)



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