Reflection barrier for panoramic display
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United States of America Patent
Stats
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Mar 14, 2006
Issued Date -
N/A
app pub date -
Mar 9, 2004
filing date -
Aug 18, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A panoramic display system includes a curved projection screen, a panoramic projector, and a substantially conically shaped barrier. The projector is configured to project an image onto the projection screen from a projection point located substantially above the projection screen. The conical barrier has a base disposed toward the bottom of the projection screen, and an apex region disposed toward the projection point. The barrier blocks scattered light from reflecting from portions of the curved screen to other portions thereof.

First Claim
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
EVANS & SUTHERLAND COMPUTER CORPORATION | 600 KOMAS DRIVE SALT LAKE CITY UT 84108 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Christensen, Rob | Salt Lake City, UT | 3 | 56 |
Streid, Harry | Salt Lake City, UT | 3 | 100 |
Tanner, Allen H | Sandy, UT | 23 | 358 |
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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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