| Original document(27 pages) Authorized document(28 pages) 中文版 |
An acoustic transmission connection, e.g. for a headset (13), comprises a sound tube (2) through which speech signals can be transmitted from a first end (16) to a transducer, e.g. a microphone, in a housing or a housing part (3) of the headset. In the sound tube (2) and in the housing part (3), means are provided for acoustic impedance matching and possibly means for achieving acoustic directivity. |
Application Number
申请号 |
01810060 |
Application Date
申请日 |
2001.05.01 |
| Title 名称 |
Acoustic transmission connection, headset with acoustic transmission connection, and uses of acoustic transmission connection |
Publication Number
公开号 |
1430863 |
Publication Date
公开日 |
2003.07.16 |
| Approval Pub. Date |
2005.01.12 |
Granted Pub. Date |
2005.01.12 |
| International Classification 分类号 |
H04M1/03;H04M1/05;H04R1/28 |
Applicant(s) Name
申请人 |
GN Netcom A/S |
| Address 地址 |
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| Inventor(s) Name 发明人 |
Torben Groth;Peter Mqller |
| Attorney & Agent 代理人 |
wu yuqin gu gongxia |
| More information 更 多 信 息 |
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