Invention Grant
- Patent Title: Powered subwoofer/speaker remote turn-on function
- Patent Title (中): 有源低音炮/扬声器遥控开启功能
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Application No.: US11251705Application Date: 2005-10-17
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Publication No.: US08238581B2Publication Date: 2012-08-07
- Inventor: Richard Hofrichter
- Applicant: Richard Hofrichter
- Agency: Hiscock & Barclay, LLP
- Main IPC: H04R3/00
- IPC: H04R3/00
Abstract:
The present invention provides a powered speaker, such as a subwoofer that may be turned on and off remotely by energizing the auxiliary AC power supply provided with an audio device or other source unit. The main power of the powered subwoofer is provided via a wall outlet or suitable power supply that may adequately supply the necessary power.
Public/Granted literature
- US20080069392A1 Powered subwoofer/speaker remote turn-on function Public/Granted day:2008-03-20
Information query
