Automatic trimming for a dimmer switch
US11109455B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 18, 2019 |
| Grant date | Aug 31, 2021 |
| Priority date | — |
| Expiry date | Oct 18, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/14
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A dimmer switch includes a dimmer circuit configured to output a dimming control signal to control one or more dimmable light sources of a lighting fixture. The dimmer switch includes a power metering circuit configured to monitor power consumption of the one or more dimmable light source. The dimmer switch includes one or more control devices. The one or more control devices are configured to perform a test operation to determine a low-end trim setpoint for the dimming control signal. The one or more control devices are further configured to adjust a range of the dimming control signal based, at least in part, on the low-end trim setpoint.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.