Title:
SOUND LEAKAGE REDUCING DEVICE AND ACOUSTIC OUTPUT DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/065323
Kind Code:
A1
Abstract:
Embodiments of the present application disclose a sound leakage reducing device, comprising a transducer structure, a vibration structure and a housing. The housing has a vibration cavity and at least one resonance cavity; the transducer structure is located in the vibration cavity and is connected to the vibration structure; and the at least one resonance cavity communicates with the vibration cavity by means of at least one communication hole, and the volume of each resonance cavity is smaller than the volume of the vibration cavity.
Inventors:
ZHANG LEI (CN)
FU JUNJIANG (CN)
LIAO FENGYUN (CN)
QI XIN (CN)
FU JUNJIANG (CN)
LIAO FENGYUN (CN)
QI XIN (CN)
Application Number:
PCT/CN2021/125794
Publication Date:
April 27, 2023
Filing Date:
October 22, 2021
Export Citation:
Assignee:
SHENZHEN SHOKZ CO LTD (CN)
International Classes:
H04R9/06
Domestic Patent References:
| WO2019000538A1 | 2019-01-03 | |||
| WO1995007014A1 | 1995-03-09 |
Foreign References:
| CN110248293A | 2019-09-17 | |||
| CN209659616U | 2019-11-19 | |||
| CN113473334A | 2021-10-01 | |||
| CN206272841U | 2017-06-20 |
Other References:
See also references of EP 4195701A4
Attorney, Agent or Firm:
METIS IP (CHENGDU) LLC (CN)
Download PDF: