Unbalanced hub design
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Aug 15, 2017
Issued Date -
N/A
app pub date -
Jul 1, 2015
filing date -
Jul 1, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A color wheel, comprises a hub portion, configured to act as a rotor for coupling to a motor and having a disk-shaped surface; an optically active radial portion, attached to or integrated with the hub portion and configured to optically process incident light; and a balancing adaptation to the disk-shaped surface of the hub portion, comprising one or more of: (a) a recess in the disk-shaped surface extending to an edge of the disk-shaped surface; (b) an annular groove in the disk-shaped surface having a non-uniform width and/or being non-concentric with the disk-shaped surface; (c) an annular groove in the disk-shaped surface, at least a portion of which is filled by a balancing mass part; and (d) a groove and/or a matrix of recesses in the disk-shaped surface arranged to define a portion of an annulus in shape.
First Claim
Other Claims data not available
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| Country | kind | publication No. | Filing Date | Type | Sub-Type |
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International Classification(s)
- 2015 Application Filing Year
- H04N Class
- 17427 Applications Filed
- 14242 Patents Issued To-Date
- 81.73 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- H04N Class
- 0 % this patent is cited more than
- 8 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Feb 15, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 15, 2029 |
