Hard disk drive cover that contains a helmholtz resonator which attenuates acoustic energy
Patent 6493180 Issued on December 10, 2002. Estimated Expiration Date: 
June 13, 2020. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 13, 2020. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesDisk drive with reduced acoustic noise Acoustic noise reduction system for a disk drive Sound muffling and heat-discharging case for computer storage device Patent #: 6243262 InventorsAssigneeApplicationNo. 593181 filed on 06/13/2000US Classes:360/97.02Environmental control (e.g., air filter, temperature control)ExaminersPrimary: Heinz, A. J.Attorney, Agent or FirmInternational ClassG11B 033/14AbstractA disk drive housing that can attenuate noise. The housing may include a first layer that is attached to a second layer, and a gap located between the first and second layers. The layers and gap may be configured to attenuate acoustic energy within a relatively broad frequency range. | |
