Anti-noise signal modulation circuit, modulation method, display panel and display device
US11373563B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 15, 2018 |
| Grant date | Jun 28, 2022 |
| Priority date | — |
| Expiry date | Jun 4, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/14
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An anti-noise signal modulation circuit, a modulation method, a display panel and a display device are disclosed. The anti-noise signal modulation circuit includes a frequency-modulation control sub-circuit. An input end of the frequency modulation control sub-circuit is configured to receive an initial signal, and an output end of the frequency-modulation control sub-circuit is connected to a signal processing circuit that is preset; the frequency-modulation control sub-circuit is configured to frequency-modulate the initial signal by a switch signal that hops according to a preset period, and to output a modulation result to the signal processing circuit; and a frequency corresponding to the switch signal does not overlap with a noise frequency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.