3 Subtraction ■Cordless Jumping Rope –Eliminating space restraints for jumping rope Usual Jumping RopeCordless Jumping Rope
4 Multiplication ■Ssangssang Bar –Adding one more stick for sharing –Released in 1979 and sensationally popular
5 Division Integrated type air-conditioner ■Separate type Air-conditioner –Integrated type air-conditioner (Air-conditioner + Outdoor-fan) : Need space for air-conditioner in the wall or window –Separating the outdoor-fan from the air-conditioner Possible to place air-conditioner inside, improving space efficiency Separate type air-conditioner
7 Task Unification (2/2) ■All-in-one PC –Monitor + Desktop Monitor Desktop All-in-one PC
8 Attribute Dependency Change (1/3) ■Container –Steel Container: Used as a storage space for carrying a cargo Used as outdoor temporary offices, houses, or warehouses
9 Attribute Dependency Change (2/3) ■Black Box –Traditional Black Box: Another name for Flight Data Recorder(FDR), Airborn Video Recoder(AVR), or Cockpit Voice Recorder(CVR) Car Black Box: Car accident recorder Airplane Black Box (FDR) Car Black Box
10 Attribute Dependency Change (3/3) ■Electric heater –Electric fan (Summer) Electric heater shaped like fan (Winter)
11 Addition (1/2) ■Hiking Backpack + Part for Hiking stick –Adding a part where hikers can hang their hiking sticks OSPREY Backpack
12 Addition (2/2) ■Gear Bicycle –General Bicycle: Speed only depending on the degree of pedaling Gear Bicycle: Adding function of controlling speed with gear General Bicycle Gear Bicycle
13 Integration ■Water Purifier serving Hot & Cold water and Ice –Water Purifier + Refrigerator + Electric Kettle
14 Discussion Questions (1/2) ■Holes in a Brick –Reducing weight while laying bricks –Saving raw material Subtraction?
15 Discussion Questions (2/2) ■Skin Stapler –Stationery stapler Skin stapler for medical purposes Attribute Dependency Change?