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Patent Searching and Data


Title:
APPARATUS AND METHOD FOR GENERATING ACOUSTIC ENERGY IN A RECEIVER ASSEMBLY
Document Type and Number:
WIPO Patent Application WO2004103018
Kind Code:
A3
Abstract:
A receiver assembly includes a housing having a fixed housing portion and a shiftable housing portion cooperating to define a hollow cavity. A flexible membrane secured between the fixed housing portion and the shiftable housing portion and adapted to allow relative motion between the fixed and shfitable housing portions. The receiver assembly further includes a magnetic motor assembly including a displaceable drive rod; and a link assembly having a first end fixedly attached to an inner surface of the shiftable housing and a second end coupled to the drive rod. The link assembly translates the shiftable housing portion relative to the fixed housing portion in response to the displacement of the drive rod.

Inventors:
THOMPSON STEPHEN C (US)
SCHAFER DAVID E (US)
WARREN DANIEL MAX (US)
Application Number:
PCT/US2004/014564
Publication Date:
May 12, 2005
Filing Date:
May 10, 2004
Export Citation:
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Assignee:
KNOWLES ELECTRONICS LLC (US)
THOMPSON STEPHEN C (US)
SCHAFER DAVID E (US)
WARREN DANIEL MAX (US)
International Classes:
H04R1/28; H04R7/20; H04R11/02; H04R25/00; (IPC1-7): H04R11/02; H04R7/20; H04R25/00
Foreign References:
US1950857A1934-03-13
US1630009A1927-05-24
US1744032A1930-01-21
Other References:
See also references of EP 1627550A2
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