发明名称 |
MICROPHONE WITH ADJUSTABLE PROPERTIES |
摘要 |
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 |
EP1629687(A1) |
申请公布日期 |
2006.03.01 |
申请号 |
EP20040731304 |
申请日期 |
2004.05.06 |
申请人 |
OTICON A/S |
发明人 |
SORENSEN, PER KOKHOLM;RASMUSSEN, FRANK ENGEL;RASMUSSEN, KARSTEN BO |
分类号 |
H04R1/34;H04R1/40;H04R25/00 |
主分类号 |
H04R1/34 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|