Playback control system and power supply method for same
US12355296B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 29, 2022 |
| Grant date | Jul 8, 2025 |
| Priority date | — |
| Expiry date | Apr 29, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J9/04
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided is a playback control system, including a first playback control device, a second playback control device, a first power supply circuit, a second power supply circuit, and a power supply. The first power supply circuit is configured to supply power to the first playback control device using a first utility power. The second power supply circuit is configured to supply power to the second playback control device using the first utility power. The power supply is configured to supply power to a first target playback control device in response to a power failure in a first target power supply circuit. The first target power supply circuit is the first power supply circuit. The first target playback control device is the first playback control device. Alternatively, the first target power supply circuit is the second power supply circuit. The first target playback control device is the second playback control device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.