1. make
1.1. Materials
1.1.1. Insulate
1.1.1.1. Plastic
1.1.1.2. Not metal
1.1.2. Mid range price
1.2. Manufacture Technique
1.2.1. Complex form
1.2.1.1. Injection Moulding
1.2.1.1.1. (Plastics)
1.2.1.2. Hold electronics
1.2.1.3. metal casting
1.2.2. High volume
1.2.2.1. Injection Moulding
2. Form
2.1. Demographics
2.1.1. Elderly
2.1.1.1. Traditional (assumed)
2.1.2. Japanese
2.1.2.1. Traditional (assumed)
2.1.2.2. Cultural influences
2.1.3. Independent living
2.2. Aesthetics
2.2.1. Modern (Partial)
2.2.1.1. Clean smooth lines
2.2.1.2. Electronics visible but not obtrusive
2.2.2. Traditional (partial)
2.2.2.1. Must be recognisable as teapot
2.2.2.2. Teapot shape
2.2.2.2.1. Spout
2.2.2.2.2. Lid
2.2.2.2.3. Handle
2.2.2.2.4. Water Pot
2.2.2.3. Tea ritual
2.3. Size
2.3.1. Big enough to make tea for two
2.3.1.1. Tea ritual
2.3.2. Space for electronics
2.3.3. Space for batteries
2.4. Ergonomics
2.4.1. Must provide safe operation
2.4.1.1. Insulate
2.4.1.2. Stable base
2.4.1.3. Comply with standards
2.4.1.3.1. seal electronics
2.4.2. Good Balance
2.4.3. handle
2.4.3.1. Only used occasionally
3. Function
3.1. Brew tea
3.1.1. Tea ritual
3.1.2. Contain water
3.1.2.1. Seal electronics
3.1.3. Allow pouring
3.1.3.1. Handle
3.1.3.2. Good balance
3.1.4. Allow filling
3.1.4.1. Hot water
3.1.4.2. Lid
3.1.4.3. Water pot
3.1.5. Add tealeaves
3.1.6. Inform User
3.1.6.1. When is tea ready?
3.1.6.1.1. Timer function - temp trigger
3.2. Inform Others
3.2.1. Sense Useage
3.2.1.1. Tilt Sensor
3.2.1.2. Temp sensor
3.2.2. Transmit data
3.2.2.1. Connect to internet
3.2.2.2. Wireless link
3.2.2.3. Electronics
3.2.2.3.1. Low voltage (water)
3.2.2.3.2. Seal electronics
3.3. Safe operation
3.3.1. Control temperature
3.3.1.1. Insulate
3.3.1.2. Steam safe
3.3.1.2.1. Lid
3.3.2. Non-toxic
3.4. Allow cleaning
3.4.1. Large opening
3.4.1.1. Lid
3.5. traditional use (criteria)
3.5.1. Tea ritual