Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Reexamination Certificate
2009-11-24
2011-10-11
Duong, Hung (Department: 2835)
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
C360S326000, C428S800000, C369S053420, C710S074000
Reexamination Certificate
active
08035960
ABSTRACT:
A hard disk drive frame is provided. The distances from its hard disk drive fixing parts to the substrate center are not the same. During the process of vibrational energy transfer, three-dimensional reactions are induced correspondingly to cancel the kinetic energy transfer. The reactions generated at the static balance point in the three dimensions interfere one another to destroy vibrational frequencies in specific directions. Therefore, the disclosed hard disk drive is resistant to vibrations and suffers less from the resonance effect.
REFERENCES:
patent: 2007/0120999 (2007-05-01), Hara
patent: 2009/0040712 (2009-02-01), Hoshi et al.
Bacon & Thomas PLLC
Duong Hung
Moxa Inc.
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