Invention Grant
- Patent Title: Protection of speaker from excess excursion
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Application No.: US17504934Application Date: 2021-10-19
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Publication No.: US11696070B2Publication Date: 2023-07-04
- Inventor: Richard Hodges , Harry Lau , Michael Townsend
- Applicant: Synaptics Incorporated
- Applicant Address: US CA San Jose
- Assignee: Synaptics Incorporated
- Current Assignee: Synaptics Incorporated
- Current Assignee Address: US CA San Jose
- Agency: Paradice & Li LLP
- Main IPC: H04R3/00
- IPC: H04R3/00 ; H04R29/00 ; H04R3/04 ; H03F3/181 ; H03F3/217

Abstract:
Systems and methods for protecting a loudspeaker from excessive excursion include an audio source, an adaptive excursion protection filter, an audio clipper, an inverse excursion protection filter, an amplifier and a loudspeaker. The system performs operations including receiving an audio signal, applying an excursion protection filter, the excursion protection filter adapting in real-time to one or more speaker conditions, clipping the audio signal, applying an inverse excursion protection filter, and amplifying, using an amplification circuit, the audio signal for output to the speaker.
Public/Granted literature
- US20220038815A1 PROTECTION OF SPEAKER FROM EXCESS EXCURSION Public/Granted day:2022-02-03
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