Communication device and communication method
AssigneeSony Corporation
InventorSATOSHI TERAMOTO
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Abstract
A communication device for starting power supply before establishment of a link is provided. A device to be connected to a source device or a sink device includes a device information presenting unit for presenting device information on power supply of the device. The device information presenting unit presents a device type (no need power device, need power device, and provide power device). At the time when the device is connected to an MHL connector of the source device or the sink device, even when the link is not established, the source device or the sink device reads information from the device information presenting unit and appropriately starts to supply and demand electric power.
Claims10
A communication device comprising:
- a connection unit configured to connect an external device according to a predetermined communication interface standard;
- and
- a control unit configured to control power supply to/from the external device on the basis of device information read from a device information presenting unit included in the external device.
A communication method comprising:
- a connection step of connecting an external device according to a predetermined communication interface standard;
- and
- a control step of controlling power supply to/from the external device on the basis of device information read from a device information presenting unit included in the external device.
Dependencies are inferred from the claim text.