제목 없는 프레젠테이션

Because it helps in identifying and solving conflicting requirements in product design

Because it makes products more expensive

Because it reduces the need for innovation

Because it only applies to wearable devices

Technical contradiction uses TRIZ principles and physical contradiction uses separation principles.

Technical contradiction focuses on space separation, physical contradiction on time separation.

Technical contradiction always uses lasers, physical contradiction always uses antennas.

Technical contradiction is not used in engineering.

Separation in Time

Separation in Space

Separation on Condition

Separation by Material

Lunch menu discounts

Nighttime youth curfew

Seasonal sales

Permanent bridge

Traffic lights changing colors

Dividing a road into multiple lanes

Using different materials in a product

Assigning seats based on age

Multi-lens glasses

Highway interchanges

Lunch menu specials

Women-only parking spaces

A foldable bicycle

A regular car

A fixed keyboard

A solid cooking pot

A jacket with an armpit zipper

A Lego block set

A bicycle chain

A solid rubber ball

To maximize one characteristic only

To satisfy both required conditions simultaneously

To minimize all technical requirements

To avoid any physical contradiction

High temperature

Low temperature

Efficient ironing

Prevention of burning accidents

A situation where improving one feature causes another feature to worsen.

A situation where two opposing requirements must be satisfied at the same time.

A situation where a product's size increases as its usage time increases.

A situation where a problem is solved using one of 40 inventive principles.