11 Beforehand cushioning

Prepare emergency means beforehand to compensate for the relatively low reliability of an object.
  • Ceiling sprinkler that triggers instantly in case of fire.
  • Magnetic strip on photographic film that directs the developer to compensate for poor exposure
  • Back-up parachute
  • Alternate air system for aircraft instruments
  • Uninterruptible power supply (UPS) that instantly takes over when mains power fails.
Principe 11 : Ceiling sprinkler that triggers instantly in case of fire.


From TRIZ to ASIT

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Concrete examples

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Is this TRIZ principle frequently used?

This principle is rarely used with 49 instances in the matrix.

This principle is proposed to solve the following contradictions:

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1/27 1/34 2/34 5/13 7/27 9/27 10/11 10/34 11/33 13/5 14/27 14/32 14/34 15/27 18/28 19/27 22/27 27/4 27/9 27/12 27/14 27/18 27/19 27/21 27/22 27/28 27/29 27/34 27/38 28/27 28/34 29/27 30/35 32/13 32/34 32/37 34/1 34/2 34/7 34/10 34/14 34/15 34/27 34/32 34/36 35/30 37/13 37/32 38/27


The colour indicates the ranking of the proposed principle to solve the contradiction: 1st, 2nd, 3rd, 4th.
This ranking reflects the frequency of occurrence of the principle in the analysed patents for this type of contradiction.
When a principle appears in first position, it means that it is statistically the most used in the patents studied for this type of problem.

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