Industry Patents
Patent: 6483555
Universal Device and use Thereof for the Automatic Adjustment of a Projector
(Click image for PDF of full patent)
| Patent Number: |
6483555 |
| Title: |
Universal Device and use Thereof for the Automatic Adjustment of a Projector |
| Abstract: |
A universal device provided with means to be controlled by a control unit
which forms part of a projector. The device, in conjunction with this
control unit, can be used for the automatic adjustment of the projector.
More specifically, the adjustments of convergence, geometry, focus,
astigmatism, contrast modulation, gamma correction, soft edge, adjacent
and overlapping geometry. In addition, the device provides support for
non-adjustment tasks such as signal decoding, signal testing and analysis,
peak detection, RAM expansion, wire-free transmission of information
between at least two projectors. The universal device exhibits different
operational characteristics in accordance with different applications
imposed on it by the control unit of the projector. The device includes an
analog-to-digital converter, a memory, a programmable digital component,
and an interface to the control unit of the projector as some of the
components.
|
| Country of Issue: |
US |
| First Named Inventor: |
Thielemans, Tydtgat |
| Assignee: |
Barco |
| Continuation or Divisional of: |
|
| International Classification: |
H04N 9/28 |
| US Classification: |
348/745 |
| Issue Date: |
11-19-2002 |
| Filing Date: |
12-11-1998 |
| Application : |
09/209415 |
| Notes: |
|
| Link to Patent at freepatentsonline.com: |
6483555 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
6483555 at Google Patents |
1. The Google Patents and World Patent Family links will likely not work until a few weeks
after the patent has issued - they take a while to get new patents in their systems.
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