Title:
AN OPEN ACOUSTICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2008/019564
Kind Code:
A1
Abstract:
An open acoustic device includes an audio signal generating unit. A driving parts is set in the audio signal generating unit. The audio signal generating unit receives audio electrical signals and changes them into audio mechanical vibration signals, then outputs the audio mechanical vibration signals outward to an exterior object through the driving parts and drives the exterior object to sound.
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Inventors:
FENG, Yanming (9-1-102 Xuqingyan, Xucheng GardenNanerhuan Roa, Shijiazhuang Hebei 1, 050091, CN)
Application Number:
CN2007/001918
Publication Date:
February 21, 2008
Filing Date:
June 19, 2007
Export Citation:
Assignee:
FENG, Yanming (9-1-102 Xuqingyan, Xucheng GardenNanerhuan Roa, Shijiazhuang Hebei 1, 050091, CN)
International Classes:
H04R9/02; H04R9/00
Attorney, Agent or Firm:
YIN INT'L IP FIRM (301 Daolong Business Center, 13 Huayuan RoadHaidian District, Beijing 8, 100088, CN)
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