Portable device, charging system, and power source circuit substrate
A portable device including a secondary battery, a plurality of driving components driven by charged power of the secondary battery, a charging unit configured to charge the secondary battery by an input of outside power supplied from outside of the portable device, a plurality of transformation units each configured to output the charged power of the secondary battery at a driving voltage of a corresponding one of the plurality of driving components, a detection unit configured to detect the input of the outside power to the charging unit, and a switching controller configured to switch a state of one of the plurality of transformation units from an operation state to a stopped state responsive to detecting the input of the outside power to the charging unit causing only the corresponding one of the plurality of driving components to stop operation during charging of the secondary battery.
1. A portable device comprising:
a secondary battery;
a driving component driven by charged power of the secondary battery, the driving component including a hearing aid function component;
a charging unit configured to charge the secondary battery by an input of outside power supplied from outside of the portable device;
a transformation unit configured to convert a battery voltage of the charged power of the secondary battery to a driving voltage of the driving component, and to output the converted voltage, the transformation unit outputting the charged power of the secondary battery to the hearing aid function component; and
a switching controller configured to switch a state of the transformation unit from an operation state to a stopped state responsive to the charging unit charging the secondary battery, which prevents operation of the driving component during charging of the secondary battery.
2. The portable device according to claim 1 , wherein the charging unit, the transformation unit, a detection unit, and the switching controller constitute an integrated circuit substrate.
3. The portable device according to claim 1 , further comprising a power-receiving module configured to receive power from outside the portable device in a contactless manner and to output the received power to the charging unit as the outside power.
4. The portable device according to claim 1 , further comprising a power-receiving module configured to receive power from outside the portable device by a resonance phenomenon and to output the received power to the charging unit as the outside power, the charging unit, the transformation unit, a detection unit, and the switching controller constituting an integrated circuit substrate, and the integrated circuit substrate being provided in a magnetic field space, which is formed by a resonance phenomenon, to have a lower magnetic field strength than parts of the portable device around the formed magnetic field space.
5. A charging system comprising:
the portable device according to claim 3 ; and
a charger including a power-supplying module which is configured to supply power to the power-receiving module.
6. The charging system according to claim 5 , wherein:
the driving component of the portable device includes a communication function component configured to send state data indicating a state of the portable device, and
the charger includes:
a communication unit which enables wireless communication with the communication function component when the power-supplying module supplies the power to the power-receiving module; and
a display unit configured to display charging information based on the state data received by the communication unit.
7. A hearing aid comprising a power source circuit substrate, the power source circuit substrate including:
a charging unit configured to charge a secondary battery by an input of outside power from outside of a portable device;
a transformation unit configured to convert a battery voltage of charged power of the secondary battery to a driving voltage of a driving component, and to output the converted voltage; and
a switching controller configured to switch a state of the transformation unit from an operation state to a stopped state when the charging unit charges the secondary battery causing the corresponding driving component to stop operation during charging of the secondary battery.
8. The hearing aid according to claim 7 , wherein the power source circuit substrate is formed as an integrated circuit substrate.
9. A power source circuit substrate comprising:
a charging unit configured to charge a secondary battery by an input of outside power from outside of a portable device;
a processing unit driven by charged power of the secondary battery, the processing unit including a hearing aid function component, the processing unit being configured to convert a battery voltage of charged power of the secondary battery to a driving voltage of a driving component, and to output the converted voltage, the processing unit outputting the charged power of the secondary battery to the hearing aid function component; and
a switching controller configured to switch a state of the processing unit from an operation state to a stopped state responsive to the secondary battery being charged by the charging unit causing the processing unit to stop operation during charging of the secondary battery.
10. A portable device comprising:
a secondary battery;
a driving component driven by charged power of the secondary battery, the driving component including a hearing aid function component;
a charging unit configured to charge the secondary battery by an input of outside power from outside of the portable device;
a transformation unit configured to convert a battery voltage of the charged power of the secondary battery to a driving voltage of the driving component, and to output the converted voltage, the transformation unit outputting the charged power of the secondary battery to the hearing aid function component; and
a switching controller configured to switch a state of the transformation unit from an operation state to a stopped state responsive to the secondary battery being charged by the charging unit causing the driving component to stop operation during charging of the secondary battery.
11. A power-supplying method for supplying power to a secondary battery of a portable device, the portable device including: (i) the secondary battery, (ii) a driving component driven by charged power of the secondary battery, the driving component including a hearing aid function component, (iii) a charging unit configured to charge the secondary battery by an input of outside power from outside of the portable device in a contactless manner, and (iv) a transformation unit configured to convert a battery voltage of the charged power of the secondary battery to a driving voltage of the driving component and to output the converted voltage, the transformation unit outputting the charged power of the secondary battery to the hearing aid function component, the method comprising:
switching a state of the transformation unit from an operation state to a stopped state responsive to the charging unit charging the secondary battery, so that the driving component is prohibited to operate during charging of the secondary battery.