Industry Patents
Patent: 8179532
Method and Apparatus for Monitoring the Condition of a Projector Lamp
(Click image for PDF of full patent)
| Patent Number: |
8179532 |
| Title: |
Method and Apparatus for Monitoring the Condition of a Projector Lamp |
| Abstract: |
A method and apparatus are set forth for monitoring lamp condition,
comprising directing a beam of light at the lamp, detecting percent
transmission of the beam through the lamp, wherein the percent
transmission is indicative of lamp blackening, and repeating the
directing and detecting of the beam of light periodically to provide an
indication of lamp blackening over time, wherein the lamp blackening
thereby provides an indication of lamp condition over time.
|
| Country of Issue: |
US |
| First Named Inventor: |
Parkin |
| Assignee: |
Christie Digital Systems |
| Continuation or Divisional of: |
|
| International Classification: |
G01N 21/00 |
| US Classification: |
356/432 |
| Issue Date: |
05-15-2012 |
| Filing Date: |
02-02-2011 |
| Application : |
13/019688 |
| Notes: |
|
| Link to Patent at freepatentsonline.com: |
8179532 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
8179532 at Google Patents |
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after the patent has issued - they take a while to get new patents in their systems.
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