Directional microphone and associated packing techniques
Aspects of the disclosure provide a packaging technique for making a directional microphone which employs mechanical structures to cancel undesired background noise to realize the directional function instead of an extra sensor required in electronic noise-cancelling techniques, thus reducing footpr...
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| creator | Sooriakumar, Kathirgamasundaram Bihag, Ian Rose Austin, Anu |
| description | Aspects of the disclosure provide a packaging technique for making a directional microphone which employs mechanical structures to cancel undesired background noise to realize the directional function instead of an extra sensor required in electronic noise-cancelling techniques, thus reducing footprint and cost of a directional microphone. A directional microphone based on this technique can include an acoustic sensor and a housing enclosing the acoustic sensor. The acoustic sensor can include a sensing diaphragm, a cavity below the sensing diaphragm, and a first substrate. The directional microphone device can further includes a channel with an inlet open at an edge of the first substrate and an outlet connected with the cavity. The housing can include a cover attached to a second substrate supporting the first substrate. The cover can include a first opening over the sensing diaphragm and a second opening at a side of the cover. |
| format | Patent |
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A directional microphone based on this technique can include an acoustic sensor and a housing enclosing the acoustic sensor. The acoustic sensor can include a sensing diaphragm, a cavity below the sensing diaphragm, and a first substrate. The directional microphone device can further includes a channel with an inlet open at an edge of the first substrate and an outlet connected with the cavity. The housing can include a cover attached to a second substrate supporting the first substrate. 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| subjects | DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICALDEVICES MICROSTRUCTURAL TECHNOLOGY PERFORMING OPERATIONS PUBLIC ADDRESS SYSTEMS TRANSPORTING |
| title | Directional microphone and associated packing techniques |
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