Patent · US Active

Projector for projecting images

US10791306B2 · kind B2 · utility

0Cited by

1References

19Claims

0Family size

Assignee

Carl Zeiss Jena GmbH · DE

Inventors

Christoph Nieten · Jena, DE
Enrico Geissler · Jena, DE
Bryce Anton Moffat · Jena, DE
Carsten Wehe · Weimar, DE

Key dates

Filing date	Dec 31, 2019
Grant date	Sep 29, 2020
Priority date	—
Expiry date	Dec 31, 2039

Classification

Technology area (CPC H)Electricity
CPC primaryH04N9/3182
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

The control unit of a projector drives modulators for the range of brightness of the image data with a first resolution of NN levels, wherein NN is an integer greater than one. The control unit applies a predefined brightness change to the brightness value in accordance with the image data for the image point such that a changed brightness value having a second resolution, which is greater than the first resolution, is calculated, and converts the changed brightness value into the increased brightness value such that it has the first resolution and is greater than a notional comparison value having the first resolution that arises if the predefined brightness change is applied to the brightness value in accordance with the image data, with the result that the control unit drives one of the modulators for a pixel to be boosted with the increased brightness value having the first resolution.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.