Patent · US Active

Projection apparatus for scanningly projection

US7847997B2 · kind B2 · utility

4Cited by

5References

21Claims

0Family size

Assignee

Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V. · DE

Inventors

Thilo Sandner · Dresden, DE
Harald Schenk · Dresden, DE
Michael Scholles · Dresden, DE
Markus Schwarzenberg · Dresden, DE
Alexander Wolter · Dresden, DE

Key dates

Filing date	Feb 27, 2008
Grant date	Dec 7, 2010
Priority date	—
Expiry date	Oct 10, 2028

Classification

Technology area (CPC H)Electricity
CPC primaryH04N9/3155
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A projection apparatus for scanningly projecting an image onto an image field by means of a radiation beam includes a modulator for modulating an intensity of the radiation beam such that the intensity of the radiation beam changes in a time interval during which a scan point to which the radiation beam is directed sweeps a pixel of the image field.

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