Electronic device and electronic system
AssigneeFujitsu Ten Limited
InventorsYasushi Tsuji, Atsushi Fujita, Hiroshi Ueno, Ryoh Ogata
Life of this patent
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Abstract
A vehicle-mounted device that is capable of attaching and detaching a portable device including a rechargeable battery, and supplies an electric power to the portable device in a attachment state where the portable device is attached, the electronic device characterized by comprising: a controller that confirms completion of the operation of the portable device when a power source of the electronic device is turned off in the attachment state; and a voltage converting device that stops supplying the electric power to the portable device after the confirmation by the controller.
Claims5
An electronic device that is capable of attaching and detaching a portable device including a rechargeable unit, and supplies an electric power to the portable device in a attachment state where the portable device is attached, the electronic device comprising:
- a control portion that confirms completion of the operation of the portable device when a power source of the electronic device is turned off in the attachment state;
- and
- a voltage converting portion that stops supplying the electric power to the portable device after the confirmation by the control portion.
An electronic system that comprises a portable device including a rechargeable unit, and an electronic device that is capable of attaching and detaching the portable device, and supplies an electric power to the portable device in a attachment state where the portable device is attached, the electronic system comprising:
- the electronic device including:
- a control portion that confirms completion of the operation of the portable device when a power source of the electronic device is turned off in the attachment state;
- and
- a voltage converting portion that stops supplying the electric power to the portable device after the confirmation by the control portion;
- the portable device including:
- a power switching portion that switches to the supply of the electric power from the rechargeable unit when the portable device detects that the supply of the electric power is stopped.
Dependencies are inferred from the claim text.