Mobile device and operating method thereof
US12334761B2 · kind B2 · utility
0Cited by
12References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 10, 2021 |
| Grant date | Jun 17, 2025 |
| Priority date | — |
| Expiry date | Nov 23, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2420/07
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A mobile system includes a first mobile device configured to output a signal having a level less than or equal to a reference level on the basis of a charged state of a battery in the first mobile device and a second mobile device configured to receive the signal and to selectively provide power to the first mobile device on the basis of a duration time for which a level of the signal is maintained to be less than or equal to the reference level and a toggle time for which the signal is toggled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.