Invention Grant
- Patent Title: Loudspeaker actuator
- Patent Title (中): 扬声器执行器
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Application No.: US11625404Application Date: 2007-01-22
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Publication No.: US09197968B2Publication Date: 2015-11-24
- Inventor: Gunnar Klinghult
- Applicant: Gunnar Klinghult
- Applicant Address: JP Tokyo SE Lund
- Assignee: Sony Corporation,Sony Mobile Communications AB
- Current Assignee: Sony Corporation,Sony Mobile Communications AB
- Current Assignee Address: JP Tokyo SE Lund
- Agency: Renner, Otto, Boisselle & Skalr, LLP
- Main IPC: H04R1/00
- IPC: H04R1/00 ; H04R23/00 ; H04R7/16 ; H04R7/24
Abstract:
A loudspeaker system, and a method and device for actuating a loudspeaker, using a loudspeaker element connected to a memory metal part and provided in a portable electronic device; and a power source unit configured to supply power to the memory metal part, wherein, when power is supplied to the memory metal part, the memory metal part is configured to exert a force on the loudspeaker element to actuate it.
Public/Granted literature
- US20080175428A1 LOUDSPEAKER ACTUATOR Public/Granted day:2008-07-24
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