Infrared in our daily life
作者：Yam Chi TSE
1. Infrared
1.1. used in industrial, scientific, and medical applications
1.2. Wavelength
1.3. Photon Energy (eV)
1.4. Frequency (Hz)
2. Daily applications
2.1. Remote control
2.2. Car locking system
2.3. Night vision
2.4. Heating
2.5. Infrared thermometer
2.6. Infrared transmission
2.7. Environmental control systems
2.7.1. Doors
2.7.2. Lights
2.7.3. Windows
2.7.4. Curtains
2.7.5. Beds
2.7.6. Radios
3. Advantage
3.1. Low power requirements
3.2. Low circuitry costs
3.3. Simple circuitry
3.4. Higher security
3.5. Portable
3.6. High noise immunity
4. Disadvantage
4.1. Line of sight
4.2. Blocked by common materials
4.3. Health Risks
4.3.1. burns or blindness
4.3.2. cancer and leukemia