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US 12,081,940 B2Granted
Acoustic receiver and method of making same
AssigneeKnowles Electronics, LLC
InventorsShehab Albahri, Paul Dayton, Thomas Miller
Life of this patent
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Abstract
An acoustic receiver includes a first receiver subassembly having bottom housing plate with at least a portion of a motor fastened thereto, and a second receiver subassembly having a closed-ended housing wall with at least one open end that is fastened to the bottom housing plate. A method of making and assembling the components is also described.
Claims8
An acoustic receiver comprising:
- a first receiver subassembly comprising:
- a bottom housing plate;
- and
- a motor disposed on the bottom housing plate, the motor including a coil having a passage, a yoke retaining first and second magnets, and a reed having a portion extending through the passage and between the magnets;
- a second receiver subassembly comprising a closed-ended housing sidewall having a first open end and a second open end, the first receiver subassembly and the second receiver subassembly are separate components,
- the bottom housing plate disposed over and fastened to the first open end of the closed-ended housing sidewall to form at least a portion of a receiver housing, wherein the closed-ended housing sidewall is disposed about the motor;
- a diaphragm located in the receiver housing, the diaphragm separating an interior of the receiver housing into a front volume and a back volume, wherein the motor is disposed in the back volume;
- a link interconnecting a movable portion of the reed with a movable portion of the diaphragm,
- wherein the reed is movable between the first and second magnets in response to an excitation signal applied to the coil.
6 more elements
Dependencies are inferred from the claim text.