Energy Harvesting for Mobile Computing Joe Paradiso Responsive ...
Energy Harvesting for Mobile Computing Joe Paradiso Responsive ...
Energy Harvesting for Mobile Computing Joe Paradiso Responsive ...
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KINETIC outline<br />
diagram<br />
Gear train<br />
Rotor<br />
Stator<br />
Seiko AGS System<br />
Oscillating weight<br />
Coil<br />
Charge control<br />
circuit<br />
Secondary<br />
power supply<br />
Drive circuit<br />
• Proof mass oscillation directly cranks generator<br />
– Little intervening mechanics<br />
– Charge accumulated on capacitor<br />
• Power Output:<br />
–5 μW average when the watch is worn<br />
– 1 mW or more when the watch is <strong>for</strong>cibly shaken<br />
Stator<br />
Oblique view<br />
Rotor<br />
Coil<br />
Oscillating<br />
weight<br />
Oscillating<br />
weight gear<br />
Transmission gear
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