Electronic device and method of electronic device for determining power source device
US9146261B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 5, 2013 |
| Grant date | Sep 29, 2015 |
| Priority date | — |
| Expiry date | Nov 21, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J7/00045
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electronic device includes a current source for applying current, a pull-up resistor or a pull-down resistor configured to be connected to one of a plurality of data terminals, a voltage level detection circuit configured to detect voltage values of the plurality of data terminals, and a connected device determination circuit configured to determine a type of a power source device based on the voltage values of the plurality of data terminals detected by the voltage level detection circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.