Halftone screens
US10623604B2 · kind B2 · utility
0Cited by
3References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 14, 2017 |
| Grant date | Apr 14, 2020 |
| Priority date | — |
| Expiry date | Jan 20, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/4058
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In an example, a halftone screen is generated. A plurality of amplitude-modulated dot clusters is arranged in correspondence with a grid. Each of the amplitude-modulated dot clusters comprises a plurality of frequency-modulated dots.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.