Invention Grant
- Patent Title: Driver with acoustic filter chamber
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Application No.: US15074801Application Date: 2016-03-18
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Publication No.: US11082778B2Publication Date: 2021-08-03
- Inventor: Erik Wiederholtz
- Applicant: Knowles Electronics, LLC
- Applicant Address: US IL Itasca
- Assignee: Knowles Electronics, LLC
- Current Assignee: Knowles Electronics, LLC
- Current Assignee Address: US IL Itasca
- Agency: Faegre Drinker Biddle & Reath LLP
- Main IPC: H04R1/28
- IPC: H04R1/28 ; H04R25/00 ; H04R1/10
Abstract:
In one aspect, a low frequency driver is provided having a diaphragm operable to produce sound, a front volume, and an outlet that receives sound from the front volume and directs sound out from the low frequency driver. The low frequency driver further includes a low-pass filter chamber in communication with the front volume.
Public/Granted literature
- US20170272868A1 Driver With Acoustic Filter Chamber Public/Granted day:2017-09-21
Information query
IPC分类:
