Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
May 10, 2011
Patent Application Number
11589107
Date Filed
October 30, 2006
Patent Primary Examiner
Patent abstract
A heat dissipation device includes a hollow housing and a speaker. The hollow housing has a first opening and a second opening. The speaker is disposed at the first opening, wherein the speaker includes a diaphragm oscillating within a frequency scope the human ear cannot or hardly hear so as to generate airflow through the second opening.
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