State indicating devices and state indicating methods thereof
US11094176B2 · kind B2 · utility
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1References
8Claims
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Assignee
Inventors
Key dates
| Filing date | Jan 28, 2020 |
| Grant date | Aug 17, 2021 |
| Priority date | — |
| Expiry date | Jan 28, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A state indicating device, which is adapted in an electronic device, includes a state detecting circuit, a controller, a driving circuit, and an LED device. The state detecting circuit is configured to detect an operation state of the electronic device to generate a detection signal. The controller generates a control signal according to the detection signal. The driving circuit generates a driving signal according to the control signal. The LED device displays an indication state according to the driving signal, in which the indication state is configured to indicate the operation state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.