Invention Grant
- Patent Title: Speaker with built-in filter for digital amplifier
- Patent Title (中): 扬声器内置滤波器用于数字放大器
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Application No.: US13721283Application Date: 2012-12-20
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Publication No.: US08965009B2Publication Date: 2015-02-24
- Inventor: Soo Myung Kim , Min Soo Kim , Hyung Sup Yoon
- Applicant: Neofidelity, Inc.
- Applicant Address: KR Seoul
- Assignee: Neofidelity, Inc.
- Current Assignee: Neofidelity, Inc.
- Current Assignee Address: KR Seoul
- Agency: Stein IP, LLC
- Priority: KR10-2011-0139262 20111221
- Main IPC: H04R3/00
- IPC: H04R3/00 ; H04R9/02 ; H04R3/12 ; H04R9/06
Abstract:
A speaker with a built-in filter used for a digital amplifier is provided. The speaker with the built-in filter includes an inductor wound on an outer circumferential surface of a pillar passing through a magnet. The speaker in accordance with the present invention may be directly connected to the digital amplifier without an additional low pass filter interposed therebetween, enabling a smaller and lighter digital amplifier.
Public/Granted literature
- US20130223670A1 SPEAKER WITH BUILT-IN FILTER FOR DIGITAL AMPLIFIER Public/Granted day:2013-08-29
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