Disk-drive system having multiple power supplies and mirroring and method
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United States of America Patent
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Nov 4, 2008
Grant Date -
Feb 8, 2007
app pub date -
Sep 29, 2006
filing date -
Dec 29, 2003
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Abstract
A system and method for an improved multiple hard-disk-drive data-storage enclosure. Some embodiments position drives in counter-rotating pairs, each simultaneously accessing half the data, such that seek-caused actuator rotational-acceleration vibration cause simultaneous canceling rotational torque. Some embodiments position the edge of a first drive (or drive pair) at an angle to the actuator midpoint of a nearby second drive (or drive pair), such that rotational-acceleration vibration from a seek-caused actuator rotation in the first drive does not cause a rotational movement into the second drive that affects the tracking or seek operation. Some further embodiments position drives in a herringbone pattern to redirect air flow in addition to reducing rotational-acceleration vibration interaction. Other embodiments include a printed wire circuit board mounted to reduce the rotational-acceleration vibration interaction.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- ASSURANCE SOFTWARE AND HARDWARE SOLUTIONS, LLC
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Hall, Jonathan E | Golden, CO | 14 | 551 |
Lemaire, Charles A | Apple Valley, MN | 112 | 5554 |
McCormick, Daniel M | Superior, CO | 14 | 445 |
Wendel, Eric J | Johnstown, CO | 13 | 514 |
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Fee | Large entity fee | small entity fee | micro entity fee |
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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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