Title:
SOURCE DEVICE, AND POWER CONTROL METHOD FOR SOURCE DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/038616
Kind Code:
A1
Abstract:
One aspect of the present invention is a source device that is connected to a sink device and supplies power to the sink device, the source device being characterized by comprising: a first control unit which negotiates with the sink device on the basis of a predetermined power standard and controls the supply of power to the sink device on the basis of first power information determined by the negotiation; a power detection unit which detects the power required by the sink device; and a second control unit into which the first power information, which includes the voltage value and current value of power that has been determined by the negotiation, is input from the first control unit and second power information including the voltage value and current value of the detected power is input from the power detection unit, wherein the second control unit generates third power information including a voltage value and a current value on the basis of the predetermined power standard and both items of input power information and instructs the first control unit to carry out the negotiation again using the third power information thus generated.
Inventors:
LI ZHENLIU (JP)
Application Number:
PCT/JP2019/032959
Publication Date:
March 04, 2021
Filing Date:
August 23, 2019
Export Citation:
Assignee:
SHARP NEC DISPLAY SOLUTIONS LTD (JP)
International Classes:
G06F1/26
Foreign References:
| JP2017174138A | 2017-09-28 | |||
| JP2018133976A | 2018-08-23 | |||
| JP2019012479A | 2019-01-24 |
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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