Invention Grant
US08767998B2 Pressure adjustor and method of manufacturing the same, speaker device using the pressure adjustor, electronic device, and vehicle
有权
压力调节器及其制造方法，使用压力调节器，电子设备和车辆的扬声器装置
- Patent Title: Pressure adjustor and method of manufacturing the same, speaker device using the pressure adjustor, electronic device, and vehicle
- Patent Title (中): 压力调节器及其制造方法，使用压力调节器，电子设备和车辆的扬声器装置
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Application No.: US13148796Application Date: 2010-02-19
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Publication No.: US08767998B2Publication Date: 2014-07-01
- Inventor: Keisuke Imamura , Yukihiro Shimasaki , Kiyoshi Ohashi , Yoshimichi Kajihara , Yohei Jin
- Applicant: Keisuke Imamura , Yukihiro Shimasaki , Kiyoshi Ohashi , Yoshimichi Kajihara , Yohei Jin
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: RatnerPrestia
- Priority: JP2009-038887 20090223
- International Application: PCT/JP2010/001072 WO 20100219
- International Announcement: WO2010/095449 WO 20100826
- Main IPC: H04R25/00
- IPC: H04R25/00
Abstract:
A pressure adjustor includes a sheet-like supporter formed of unwoven fabric or woven fabric, a plurality of activated carbon powder particles attached to the supporter, and binders binding the plurality of activated carbon powder particles to each other. If this pressure adjustor is disposed inside a cabinet of a speaker device including a speaker unit provided in the cabinet, a speaker device is obtained which has an excellent bass reproduction effect even if the device is made small.
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