Invention Grant
- Patent Title: Dual cartridge directional microphone
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Application No.: US15004410Application Date: 2016-01-22
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Publication No.: US09674604B2Publication Date: 2017-06-06
- Inventor: Dion Ivo deRoo
- Applicant: Sonion Nederland BV
- Applicant Address: NL Hoofddorp
- Assignee: Sonion Nederland B.V.
- Current Assignee: Sonion Nederland B.V.
- Current Assignee Address: NL Hoofddorp
- Agency: Nixon Peabody LLP
- Main IPC: H04R1/38
- IPC: H04R1/38 ; H04R1/32 ; H04R1/40 ; H04R7/16

Abstract:
The invention relates to a microphone (10). A first (14a) and a second (14b) diaphragm are provided in a housing (12). A first chamber (24a) is delimited by a first side of the first diaphragm (14a) and an inner surface of the housing (12). A first opening (18a) extends from the first chamber (24a) to surroundings of the microphone (10). A second chamber (24b) is delimited by a first side of the second diaphragm (14b) and an inner surface of the housing (12). A second opening (18b) extends from the second chamber (24b) to the surroundings. A common chamber (22) is delimited by a second side of the first diaphragm (14a), a second side of the second diaphragm (14b) and an inner surface of the housing (12). A third opening (20) extends from the common chamber (22) to the surroundings.
Public/Granted literature
- US20160142814A1 Dual Cartridge Directional Microphone Public/Granted day:2016-05-19
Information query
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