Interface control circuit, control method and interface control device
US12309898B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2023 |
| Grant date | May 20, 2025 |
| Priority date | — |
| Expiry date | Oct 10, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/40
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An interface control circuit, a control method and an interface control device. The interface control circuit is suitable for use in a dimming system compatible with both DALI dimming and push-button dimming. The interface control circuit includes a DALI signal reception control module having a first switch element. The DALI signal reception control module is configured to be enabled, upon a voltage at a power supply terminal of the interface control circuit reaching a pre-start voltage, to turn on or off the first switch element according to the magnitude of a voltage on a DALI bus. The pre-start voltage is lower than a start voltage of the interface control circuit. This invention can ensure accuracy and reliability of rapid communication reestablishment over a period of time from a power-off to the next power-on of the DALI bus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.