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3477results about "Cells structural combination" patented technology

Battery Exchange Service System and Charging Method Therefor, and Portable Device

There is provided a service system that allows a user to charge and repeatedly use a secondary battery and exchanges a battery pack for a charged battery pack. There is provided a battery exchange service system in which a terminal is connected to a management server. The terminal includes an information obtaining unit that obtains battery information and user information; a charging and discharging unit that charges and discharges a battery pack; and a power information generation unit that generates information on an amount of electricity based on the charging and discharging by the charging and discharging unit. The management server includes a battery information database that stores battery information distributed in the battery exchange service system; a contractor information database that stores contractor information for the battery exchange service system; a battery information verification unit that verifies the battery information by the battery information stored in the battery information database; a user information verification unit that verifies the user information by the contractor information stored in the contractor information database; and a charge calculation unit that calculates a charge based on the information on the amount of electricity.
Owner:SHARP KK

Electronic device, charger, and electronic device charging system

An object of the present invention is to provide an electronic device which is capable of conducting a proximity noncontact communication even if charging of a secondary battery is not fully completed and also whose secondary battery never falls into an overdischarge state during the proximity noncontact communication. An electronic device (2) employs a secondary battery (28), which is rechargeable by a charger (3) that gives a charge of electricity in a noncontact manner, as a power source, and is capable of conducting a proximity noncontact communication with the charger (3). The electronic device (2) repeats a charging process, in which this equipment charges the secondary battery (28) for a predetermined period (Tb1) by receiving a supply of an electric power from the charger (3) via a noncontact power-receiving secondary coil (22), and a communication process, in which this equipment conducts a data communication for a predetermined period (Ta1)) when a voltage of the secondary battery (28) at a time of charging start is below a predetermined value (Va), and also repeats a charging process, in which this equipment charges the secondary battery (28) for a predetermined period (Tb2) by receiving a supply of the electric power from the charger (3) via the noncontact power-receiving secondary coil (22), and a communication process, in which this equipment conducts the data communication for a predetermined period (Ta2)(>Ta1) when the voltage of the secondary battery (28) at a time of charging start is more than a predetermined value (Va).
Owner:PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA
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