Patent · US Active

Audio circuit

US10667050B2 · kind B2 · utility

2Cited by
1References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 31, 2018
Grant dateMay 26, 2020
Priority date
Expiry dateAug 31, 2038

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04R2499/13
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An audio circuit drives a speaker. A DSP corrects an audio signal S1 according to the state of the speaker. An amplifier drives the speaker according to a corrected audio signal S3.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.