Industry Patents
Patent: RE43959
Multi-Lamp Arrangement for Optical Systems
(Click image for PDF of full patent)
| Patent Number: |
RE43959 |
| Title: |
Multi-Lamp Arrangement for Optical Systems |
| Abstract: |
A multi-lamp arrangement for optical systems comprising two lamps or more
(10, 15) and a collective light guide (58), where each lamp is positioned
such as to transmit light (20) into respective light guides (36, 46) that
are both optically connected to the collective light guide (58). In one
embodiment, one of the lamps is optically connected to the collective
light guide by means of a mirror (38)-and-prism (40) arrangement and an
intermediate light guide (30) and an intermediate mirror (32)-and-prism
(34) arrangement. The invention also comprises an augmented color
modulator (62) with a number of color fields, where the number of
identical color fields are equal to the number of lamps. The invented
multi-lamp system will produce a flux level that is equal to or better
than known systems but with fewer lamps, thus yielding reduced material
cost, manufaturing cost and operating costs, reduced power consumption
and reduced product temeperature.
|
| Country of Issue: |
US |
| First Named Inventor: |
Andersen, Olsen |
| Assignee: |
Projectiondesign |
| Continuation or Divisional of: |
7033056 |
| International Classification: |
G02B 7/04 |
| US Classification: |
362/554 |
| Issue Date: |
02-05-2013 |
| Filing Date: |
04-23-2008 |
| Application : |
12/108459 |
| Notes: |
|
| Link to Patent at freepatentsonline.com: |
RE43959 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
RE43959 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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