Adjustable microphone boom with acoustic valve
US6768804B1 · kind B1 · utility
49Cited by
3References
50Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 15, 2001 |
| Grant date | Jul 27, 2004 |
| Priority date | — |
| Expiry date | Mar 16, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2201/107
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A sound sensing apparatus such as a communication headset uses a microphone and an acoustic valve controlled by a movable boom to operate in at least a compact and an extended-boom mode, with the valve variously coupling the microphone to different openings on the boom or the main body functioning as the acoustic sensing point.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.