Sony Corporation

Renesas Technology Corp.

Keiichi Komaki

Norio Fujimori

Takayuki Yajima

Tsuyoshi Ookubo

Daiki Yokoyama

Keisuke Koide

Hidetoshi Shimada

Kenichiro Kamijo

Kenichi Takahira

Katsuhisa Tatsukawa

An electronic device includes a storing unit which is provided on a battery pack and which retains power information of the battery pack, an acquiring unit which is provided in the main unit and which acquires the power information of the battery pack from the storing unit, and a control unit which is provided in the main unit and which controls the operation of the main unit based on the power information of the battery pack.

Electronic device and battery pack

An authenticating system according to the present invention has a characteristic structure of which an authenticating sectionof a note type PCand an authenticating sectionof a batteryare directly connected through I/O portsand, respectively. Thus, the authenticating system according to the present invention can be relatively easily accomplished using a conventional system. The present invention can be applied to a system that is composed of a plurality of electronic devices that perform an authenticating process.

Communication system, authentication method, information processing device, information processing method, and battery

An electronic device includes a battery-pack installing portion that holds a battery pack in a detachable manner; sensing means for sensing that a battery pack is installed in the battery-pack installing portion; detecting means for detecting data related with a state of the installed battery pack sensed by the sensing means; determining means for determining whether the battery pack has a fault based on the detected data; and first restricting means for restricting a recharging operation of the battery pack if the battery pack is determined to have the fault by the determining means.

Electronic device, battery pack, power-supply controlling method for electronic device, program for controlling power supply for electronic device

Growing community of inventors

Tokyo, Japan

Keiichi Komaki