US Patent Issued to GOERTEK on Aug. 4 for "Sound-producing apparatus, calibration method for sound-producing apparatus, sound-producing unit and headset equipment" (Chinese Inventor)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,701,352, issued on Aug. 4, was assigned to GOERTEK INC. (Weifang, China).

"Sound-producing apparatus, calibration method for sound-producing apparatus, sound-producing unit and headset equipment" was invented by Jian Zhang (Weifang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a sound-producing apparatus, a calibration method for the sound-producing apparatus, and a sound-producing unit. The sound-producing apparatus includes two sound-producing units; each of the sound-producing units includes a cavity, a sound-producing unit body and an adjusting apparatus; the sound-producing unit body is provided in the cavity, and the cavity is...