Auxiliary device having energy harvester and electronic device including auxiliary device
An auxiliary device including an energy harvester and an electronic device including the auxiliary device are provided. The auxiliary device includes: a housing; a storage module which is moveable within the housing; and at least one piezoelectric transducer which disposed in the housing, such that a motion of the storage module causes a deformation of the piezoelectric transducer, thus generating electric energy. An end of the piezoelectric transducer may be fixedly connected to the storage module.
1. An auxiliary device connectable to an electronic device, the auxiliary device comprising:
a housing;
a storage module which is moveable within the housing; and
at least one piezoelectric transducer which is disposed within the housing, such that a motion of the storage module causes the at least one piezoelectric transducer to be deformed and thereby generate electric energy,
wherein the storage module is configured to store electric energy generated by the at least one piezoelectric transducer.
2. The auxiliary device of claim 1 , wherein the at least one piezoelectric transducer is fixedly connected to the storage module.
3. The auxiliary device of claim 1 , wherein the auxiliary device comprises an input device of the electronic device.
4. The auxiliary device of claim 3 , wherein the auxiliary device comprises a stylus pen.
5. The auxiliary device of claim 3 , wherein the auxiliary device is configured to be disposed inside the electronic device or to be attached to an outside of the electronic device.
6. The auxiliary device of claim 1 , further comprising at least one of:
a converter module which converts the electric energy generated by the at least one piezoelectric transducer and stores the converted electric energy in the storage module, and
a charger circuit module which charges a battery of the electronic device with the electric energy stored in the storage module.
7. The auxiliary device of claim 6 , wherein at least one of the converter module and the charger circuit module is connected to an end of the at least one piezoelectric transducer.
8. The auxiliary device of claim 1 , wherein the piezoelectric transducer extends substantially parallel to a longitudinal direction of the housing, and the storage module is connected to an end of the at least one piezoelectric transducer.
9. The auxiliary device of claim 8 , wherein when the storage module is moveable in a direction substantially perpendicular to the longitudinal direction of the housing, the at least one piezoelectric transducer is deformed.
10. The auxiliary device of claim 8 , wherein the at least one piezoelectric transducer comprises a plurality of piezoelectric transducer portions, wherein each of the plurality of piezoelectric transducer portions has a polarization direction different from polarization directions of the others of the plurality of piezoelectric transducer portions.
11. The auxiliary device of claim 1 , wherein the storage module extends substantially parallel with a longitudinal direction of the housing, and the at least one piezoelectric transducer is disposed between the storage module and the housing.
12. The auxiliary device of claim 11 , wherein a first end of the at least one piezoelectric transducer is fixed, and a second end of the piezoelectric transducer is freely moveable.
13. The auxiliary device of claim 12 , wherein a movement of the storage module in the direction perpendicular to the longitudinal direction of the housing causes the piezoelectric transducer to be deformed.
14. An electronic system comprising:
an electronic device, and
an auxiliary device which is electrically connectable to the electronic device, the auxiliary device comprising:
a housing;
a storage module which is moveable within the housing; and
at least one piezoelectric transducer which is disposed within the housing, such that a motion of the storage module causes the at least one piezoelectric transducer to be deformed and thereby generate electric energy,
wherein the storage module is configured to store electric energy generated by the at least one piezoelectric transducer.
15. The electronic system of claim 14 , wherein the at least one piezoelectric transducer is fixedly connected to the storage module.
16. The electronic system of claim 14 , wherein the auxiliary device comprises an input device of the electronic device.
17. The electronic system of claim 14 , wherein, upon connection of the auxiliary device to the electronic device and upon separation of the auxiliary device from the electronic device, the piezoelectric transducer is deformed and thereby generates electric energy due to a movement of the auxiliary device.
18. The electronic system of claim 14 , wherein the auxiliary device further comprises at least one of:
a converter module which converts the electric energy generated by the at least one piezoelectric transducer and stores the converted electric energy in the storage module, and
a charger circuit module which charges a battery of the electronic device with the electric energy stored in the storage module.
19. The electronic system of claim 15 , wherein the piezoelectric transducer extends substantially parallel to a longitudinal direction of the housing, and the storage module is connected at an end of the at least one piezoelectric transducer.
20. The electronic system of claim 19 , wherein the at least one piezoelectric transducer comprises a plurality of piezoelectric transducer portions having different polarization directions.
21. The electronic system of claim 14 , wherein the storage module extends substantially parallel to a longitudinal direction of the housing, and the at least one piezoelectric transducer is disposed between the storage module and the housing.
22. The electronic system of claim 19 , wherein a first end of the at least one piezoelectric transducer is fixed, and a second end of the at least one piezoelectric transducer is freely moveable.
23. An electronic device comprising a battery and a removable auxiliary element, wherein the auxiliary element comprises:
a housing;
a storage module which is moveable within the housing;
a piezoelectric transducer disposed within the housing, such that a movement of the storage module causes a deformation of the piezoelectric transducer;
a converter module configured to convert an electric energy generated by the piezoelectric transducer and to store the electric energy in the storage module; and
a charger circuit configured to charge the battery with the electric energy stored in the storage module.