Invention Grant
- Patent Title: Thermoacoustic device
- Patent Title (中): 热声装置
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Application No.: US12661132Application Date: 2010-03-11
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Publication No.: US08311244B2Publication Date: 2012-11-13
- Inventor: Li Qian , Yu-Quan Wang , Chen Feng , Liang Liu
- Applicant: Li Qian , Yu-Quan Wang , Chen Feng , Liang Liu
- Applicant Address: CN Beijing
- Assignee: Beijing FUNATE Innovation Technology Co., Ltd.
- Current Assignee: Beijing FUNATE Innovation Technology Co., Ltd.
- Current Assignee Address: CN Beijing
- Agency: Altis Law Group, Inc.
- Priority: CN200810191730 20081230; CN200810191733 20081230; CN200810191734 20081230; CN200810191735 20081230; CN200810191736 20081230; CN200810191738 20081230; CN200910000259 20090115; CN200910169652 20090828; CN200910170294 20090911
- Main IPC: H04R25/00
- IPC: H04R25/00
Abstract:
A speaker includes a base and a thermoacoustic device. The base includes a first connector, a second connector for receiving external signals, a first engaging member, and an amplifier circuit device electrically connecting to the first connector and the second connector. The thermoacoustic device includes a second engaging member and a fourth connector. The thermoacoustic device is detachably installed on the base by a detachable engagement between the first engaging member and the second engaging member and a fourth connector corresponds to the first connector of the base.
Public/Granted literature
- US20100189296A1 Thermoacoustic device Public/Granted day:2010-07-29
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