Back to results
US 2015/0189412 A1Published application
Sound transducer acoustic back cavity system
AssigneeNokia Corporation
InventorShengrong Shi
Life of this patent
Estimating the term…
Abstract
An apparatus including a housing member and an airflow spreader. The housing member includes an acoustic back cavity for a sound transducer and at least two second cavities in the housing member spaced from the acoustic back cavity. The air-flow spreader is connected to the housing member. The airflow spreader includes a conduit system connecting the acoustic back cavity directly with each of the at least two second cavities through the airflow spreader.
Claims22
1-24. (canceled)
25-44. (canceled)
An apparatus comprising:
- a housing member comprising an acoustic back cavity for a sound transducer and one or more second cavities in the housing member spaced from the acoustic back cavity;
- and
- an airflow spreader connected to the housing member, where the airflow spreader comprises a conduit system connecting the acoustic back cavity with each of the one or more second cavities through the airflow spreader.
An apparatus comprising:
- a sound transducer;
- a housing having the sound transducer connected thereto;
- and
- an acoustic back cavity system comprising a main back cavity in the housing coupled with the sound transducer and a plurality of spaced additional cavities in the housing connected with the main back cavity by a substantially closed air conduit system.
1 more element
A method comprising:
- providing a housing member with an acoustic back cavity for a sound transducer and a plurality of spaced additional cavities;
- and
- connecting an airflow spreader to the housing member to provide an air conduit system connecting the back cavity directly with each of the plurality of spaced additional cavities through the airflow spreader.
Dependencies are inferred from the claim text.