1. A cover for a portable terminal comprising:
a folder;
a fixing part for fixing the portable terminal to the folder, the folder rotating at the fixing part to open and close the portable terminal;
wherein the folder comprises:
a sub-input unit for inputting data to the portable terminal andor a sub-display unit for displaying data output from the portable terminal, in which the sub-input unit andor sub-display unit being constructed in the folder for being electrically coupled to the portable terminal in which the sub-input unit andor sub-display unit of the folder provide an auxiliary input unit andor auxiliary display for the portable terminal for the portable terminal, and
wherein when the portable terminal changes into a sleep mode during a specific operation, the portable terminal remains in sleep mode and when the sub-display unit provides an auxiliary display unit, the folder displays corresponding controls for controlling the specific operation, with the folder being in either an open or closed position; and
a charging unit arranged in at least one of the fixing part and folder, and supplying power to the portable terminal.
2. The cover of claim 1, wherein the charging unit comprises at least one solar cell and the charging unit supplies power generated in the solar cell to the portable terminal, and wherein the fixing part provides a releasable attachment for the portable terminal.
3. The cover of claim 1, wherein the sub-input unit comprises at least one of a dome switch input scheme, a pressure sensor input scheme, and a touch input scheme.
4. The cover of claim 1, wherein the sub-display unit of the folder comprises a flexible display.
5. The cover of claim 4, wherein the flexible display uses Electronic ink (E-ink).
6. The cover of claim 5, wherein the sub-input unit comprises a touch input scheme using the E-ink.
7. The cover of claim 1, wherein the charging unit is stacked and constructed on an upper part or lower part of the sub-input unit or the sub-display unit.
8. The cover of claim 1, wherein the sub-input unit andor sub-display unit of the folder is operable depending on an unfolded and folded position of the folder.
9. The cover of claim 1, wherein the charging unit charges a battery of the portable terminal.
10. The cover of claim 1, wherein the portable terminal automatically senses an electrical coupling with the cover, and operates in association with the sub-input unit, the sub-display unit, and the charging unit.
11. The cover of claim 1, the sub-input unit andor the sub-display unit receives power from the portable terminal.
12. The cover of claim 1, wherein, if the portable terminal operates in a sleep mode during a corresponding operation, the sub-input unit inputs a signal controlling the corresponding operation without disrupting the sleep mode of the portable terminal.
13. A detachable cover for a portable terminal, the detachable cover includes a sub-input unit providing an auxiliary input for inputting data to the portable terminal and a sub-display unit comprising an auxiliary display unit of the portable terminal for displaying data output from the portable terminal, and a charging unit including a solar cell for supplying power generated to the portable terminal wherein the portable terminal changes into a sleep mode during a specific predetermined operation, the portable terminal remains in sleep mode when the sub-input unit inputs a signal associated with the specific predetermined operation and the sub-display unit displays selectable controls for controlling the specific predetermined operation, with the folder being in either an open or closed position.
14. The cover of claim 13, wherein the sub-input unit of the detachable cover comprises at least one of a dome switch input scheme, a pressure sensor input scheme, and a touch input scheme.
15. The cover of claim 13, wherein the sub-display unit of the detachable cover comprises a flexible display using Electronic ink (E-ink).
16. The cover of claim 13, wherein the sub-input unit of the detachable cover uses a touch input scheme using the sub-display unit.
17. The cover of claim 13, wherein the charging unit is stacked and constructed on an upper part or lower part of the sub-input unit or the sub-display unit of the detachable cover.
18. The cover of claim 13, wherein the charging unit charges a battery of the portable terminal.
19. The cover of claim 13, wherein the portable terminal automatically senses that the detachable cover is coupled thereto, and operates in association with the sub-input unit, the sub-display unit, and the charging unit.
20. The cover of claim 13, the sub-input unit orand the sub-display unit of the detachable cover receives power from the portable terminal for operation.
21. The cover of claim 13, wherein, if the portable terminal changes into sleep mode during the specific predetermined operation, the sub-input unit inputs a signal controlling the specific predetermined operation selected from a display by the sub-display unit without waking up the portable terminal.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A contactless power receiving device connected by a connection terminal to an equipment, wherein the contactless power receiving device supplies power to a load of the equipment, the contactless power receiving device comprising:
a secondary coil that intersects with an alternating magnetic flux generated from a primary coil, which is supplied with AC power; and
a control unit that supplies induced electromotive force of the secondary coil to the load,
wherein the control unit determines a charging amount of the load and determines whether or not to supply power to the load based on the determined charging amount.
2. The contactless power receiving device according to claim 1, wherein the control unit ends charging of the load when determining that a voltage of the load is greater than or equal to a predetermined first full charge determination value.
3. The contactless power receiving device according to claim 2, wherein
when the equipment includes a device side charging control unit that measures the voltage of the load, the control unit is configured to end the charging of the load when the device side charging control unit determines that the voltage of the load is greater than or equal to a predetermined second full charge determination value; and
the first full charge determination value is set as a value that is greater than the second full charge determination value.
4. The contactless power receiving device according to claim 1, wherein the control unit supplies power to the load when the voltage of the load is less than or equal to a predetermined first recharge determination value.
5. The contactless power receiving device according to claim 4, wherein
when the equipment includes a device side charging control unit that measures the voltage of the load, the control unit is configured to supply power to the load when the device side charging control unit determines that the voltage of the load is less than or equal to a predetermined second recharge determination value; and
the first recharge determination value is set as a value that is smaller than the second recharge determination value.
6. The contactless power receiving device according to claim 1, further comprising
a monitoring circuit connected to the control unit and connectable by the connection terminal to the equipment, wherein the monitoring circuit monitors a control signal provided from the equipment and transmits a charging control signal, which corresponds to the control signal provided from the equipment, to the control unit.
7. The contactless power receiving device according to claim 6, wherein the monitoring circuit is further configured to monitor the voltage of the load regardless of whether or not the control signal is provided from the equipment, and the monitoring circuit transmits the charging control signal, which corresponds to the control signal provided from the equipment, to the control unit regardless of a monitoring result of the voltage of the load when the control signal is provided from the equipment.
8. A contactless charging system comprising:
a contactless power transmitting device including a primary coil that generates an alternating magnetic flux when supplied with AC power; and
a contactless power receiving device including a secondary coil that intersects with the alternating magnetic flux generated from the primary coil, wherein the contactless power receiving device supplies the AC power, which is supplied from the primary coil through the secondary coil, to a load of an equipment connected by a connection terminal, wherein
the contactless power receiving device includes a control unit that supplies the load with an induced electromotive force of the secondary coil generated by intersecting the alternating magnetic flux generated from the primary coil; and
the control unit determines a charging amount of the load and determines whether or not to supply power to the load based on the determined charging amount.
9. The contactless power receiving device according to claim 2, wherein the control unit supplies power to the load when the voltage of the load is less than or equal to a predetermined first recharge determination value.
10. The contactless power receiving device according to claim 9, wherein
when the equipment includes a device side charging control unit that measures the voltage of the load, the control unit is configured to supply power to the load when the device side charging control unit determines that the voltage of the load is less than or equal to a predetermined second recharge determination value; and
the first recharge determination value is set as a value that is smaller than the second recharge determination value.
11. The contactless power receiving device according to claim 3, wherein the control unit supplies power to the load when the voltage of the load is less than or equal to a predetermined first recharge determination value.
12. The contactless power receiving device according to claim 11, wherein
when the equipment includes a device side charging control unit that measures the voltage of the load, the control unit is configured to supply power to the load when the device side charging control unit determines that the voltage of the load is less than or equal to a predetermined second recharge determination value; and
the first recharge determination value is set as a value that is smaller than the second recharge determination value.
13. The contactless power receiving device according to claim 2, further comprising
a monitoring circuit connected to the control unit and connectable by the connection terminal to the equipment, wherein the monitoring circuit monitors a control signal provided from the equipment and transmits a charging control signal, which corresponds to the control signal provided from the equipment, to the control unit.
14. The contactless power receiving device according to claim 13, wherein the monitoring circuit is further configured to monitor the voltage of the load regardless of whether or not the control signal is provided from the equipment, and the monitoring circuit transmits the charging control signal, which corresponds to the control signal provided from the equipment, to the control unit regardless of a monitoring result of the voltage of the load when the control signal is provided from the equipment.
15. The contactless power receiving device according to claim 3, further comprising
a monitoring circuit connected to the control unit and connectable by the connection terminal to the equipment, wherein the monitoring circuit monitors a control signal provided from the equipment and transmits a charging control signal, which corresponds to the control signal provided from the equipment, to the control unit.
16. The contactless power receiving device according to claim 15, wherein the monitoring circuit is further configured to monitor the voltage of the load regardless of whether or not the control signal is provided from the equipment, and the monitoring circuit transmits the charging control signal, which corresponds to the control signal provided from the equipment, to the control unit regardless of a monitoring result of the voltage of the load when the control signal is provided from the equipment.
17. The contactless power receiving device according to claim 4, further comprising
a monitoring circuit connected to the control unit and connectable by the connection terminal to the equipment, wherein the monitoring circuit monitors a control signal provided from the equipment and transmits a charging control signal, which corresponds to the control signal provided from the equipment, to the control unit.
18. The contactless power receiving device according to claim 17, wherein the monitoring circuit is further configured to monitor the voltage of the load regardless of whether or not the control signal is provided from the equipment, and the monitoring circuit transmits the charging control signal, which corresponds to the control signal provided from the equipment, to the control unit regardless of a monitoring result of the voltage of the load when the control signal is provided from the equipment.
19. The contactless power receiving device according to claim 5, further comprising
a monitoring circuit connected to the control unit and connectable by the connection terminal to the equipment, wherein the monitoring circuit monitors a control signal provided from the equipment and transmits a charging control signal, which corresponds to the control signal provided from the equipment, to the control unit.
20. The contactless power receiving device according to claim 19, wherein the monitoring circuit is further configured to monitor the voltage of the load regardless of whether or not the control signal is provided from the equipment, and the monitoring circuit transmits the charging control signal, which corresponds to the control signal provided from the equipment, to the control unit regardless of a monitoring result of the voltage of the load when the control signal is provided from the equipment.