COMPACT LIGHT HOMOGENIZER
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jan 17, 2013
app pub date -
Jul 10, 2012
filing date -
Jul 11, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided are assemblies and processes for achieving desirable homogenization and mixing of one or more light sources. The assemblies include the use of diffusers and light pipes in a particular configuration that allows very good homogenization performance while reducing the requisite length of light pipe. In particular, a length of a light-pipe homogenizer can be substantially reduced by diffusing the light after it has been partially pre-mixed by a light pipe. Additional mixing can take place after diffusion. For example, a diffuser can be positioned within a light pipe or sandwiched between two light pipes. In some embodiments, the diffuser is placed at a point along a light pipe where the light from each source or each portion of a single source substantially covers the diffuser approximately equally. Consequently, a rate of homogenization can be increased, thereby reducing the required length of the complete homogenization system.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
RAYTHEON COMPANY | 870 WINTER STREET WALTHAM MA 02451-1449 |
International Classification(s)

- 2012 Application Filing Year
- F21V Class
- 2996 Applications Filed
- 2304 Patents Issued To-Date
- 76.91 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Reimer, Christopher Jacob | Midland, CA | 4 | 26 |
# of filed Patents : 4 Total Citations : 26 | |||
Thorpe, Michael David | Penetanguishene, CA | 4 | 56 |
# of filed Patents : 4 Total Citations : 56 |
Cited Art Landscape
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Patent Citation Ranking
- 4 Citation Count
- F21V Class
- 4.42 % this patent is cited more than
- 12 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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