Invention Grant
- Patent Title: Dual coil loudspeaker system
- Patent Title (中): 双线圈扬声器系统
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Application No.: US13972500Application Date: 2013-08-21
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Publication No.: US09014413B2Publication Date: 2015-04-21
- Inventor: Kwun-Wing W. Cheung
- Applicant: The Boeing Company
- Applicant Address: US IL Chicago
- Assignee: The Boeing Company
- Current Assignee: The Boeing Company
- Current Assignee Address: US IL Chicago
- Agency: Thompson Hine LLP
- Main IPC: H04R25/00
- IPC: H04R25/00 ; H04R1/00

Abstract:
A dual coil loudspeaker system having a voice coil having a first coil configured to receive a first electrical signal from a first source, and a second coil configured to receive a second electrical signal from a second source different from the first source; a field magnet configured to generate a magnetic field that interacts with magnetic fields created by the first coil and the second coil; and a diaphragm connected to the voice coil such that the diaphragm is displaced in response to energization of at least one of the first coil and the second coil.
Public/Granted literature
- US20150055819A1 Dual Coil Loudspeaker System Public/Granted day:2015-02-26
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