| abstract |
To provide an electric generator device excellent in power generation efficiency, and a timepiece movement and timepiece provided with the electric generator device. The electric generator device 5 comprises a swinging part 61 A which swings in position due to external swing, a storage part 20 A to store swing power of the swinging part 61 A, a vibration energy generating part 40 A to generate, by the power stored at the storage part 20 A, vibration energy with its amplitude and frequency adjusted, and an electric generator part 70 to convert the vibration energy generated at the vibration energy generating part 40 A to electric power. The electric generator device 5 is provided on a timepiece; the swinging part 61 A is a rotary weight 61; the storage part 20 A is a barrel wheel 20; and the vibration energy generating part 40 A is an escapement governor 40. The electric generator part 70 is provided with a first electrode 71, a second electrode and an electret film. |