Patent ID: 11962987
Assignee: SUZHOU SONAVOX ELECTRONICS CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A magnetic circuit of a loudspeaker, comprising:
a T-yoke with a base and a columnar portion protruding upward from the base;
a magnetic steel arranged on the base; and
a front sheet arranged on the magnetic steel,
wherein the magnetic steel and the front sheet are arranged around a periphery of the columnar portion,
the magnetic circuit further comprising a first short-circuit ring arranged on an inner side of the magnetic steel and a second short-circuit ring arranged on an inner side of the front sheet;
an inwardly recessed groove is provided on an outer surface of the columnar portion of the T-yoke, and the groove is provided corresponding to the second short-circuit ring and configured to be equal to the second short-circuit ring in height; and
an inner surface of the front sheet is provided with a mounting slot, and the second short-circuit ring is embedded in the mounting slot, the first short-circuit ring is located below the second short-circuit ring.