The invention concerns a microphone with a membrane. The membrane has a first side which is in fluid contact with the surroundings and a second side which is facing a back chamber, where a barometric relief opening or vent opening is provided between the back chamber and the surroundings. According to the invention control means are provided for controlling the barometric relief opening.
申请公布号
WO2004103015(A1)
申请公布日期
2004.11.25
申请号
WO2004DK00321
申请日期
2004.05.06
申请人
OTICON A/S;SOERENSEN, PER, KOKHOLM;RASMUSSEN, FRANK, ENGEL;RASMUSSEN, KARSTEN, BO
发明人
SOERENSEN, PER, KOKHOLM;RASMUSSEN, FRANK, ENGEL;RASMUSSEN, KARSTEN, BO