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US 2009/0158053 A1Published application
Battery Pack and Electronic Apparatus
AssigneesMitsumi Electric Co., Ltd., Sony Ericsson Mobile Communications Japan, Inc.
InventorsAkira Ikeuchi, Itsuki Nakano, Kenichi Kasai, Katsuya Suzuki, Kuniharu Suzuki
Life of this patent
Estimating the term…
Abstract
A battery pack includes at least one rechargeable battery configured to output power; a remaining battery capacity detection unit configured to detect a remaining battery capacity of the at least one rechargeable battery; and a cryptographic unit configured to output a response word in response to an external request word by encrypting the external request word based on a cryptographic algorithm with a common code key.
Claims13
A battery pack comprising:
- at least one rechargeable battery configured to output power;
- a remaining battery capacity detection unit configured to detect a remaining battery capacity of the at least one rechargeable battery;
- and
- a cryptographic unit configured to output a response word in response to an external request word by encrypting the external request word based on a cryptographic algorithm with a common code key.
1 more element
An electronic apparatus comprising:
- a transmission unit configured to output a request word in response to external power;
- a reception unit configured to receive an external response word;
- an encryption unit configured to encrypt the request word based on a cryptographic algorithm with a common code key;
- and
- an authentication unit configured to collate the encrypted request word which has been encrypted by the encryption unit and the external response word.
2 more elements
Dependencies are inferred from the claim text.