Active plus selective headset
US5815582A · kind A · utility
160Cited by
10References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 23, 1997 |
| Grant date | Sep 29, 1998 |
| Priority date | — |
| Expiry date | Jul 23, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K2210/512
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An active plus selective headset system for provision of active attenuation of broadband noise as well as speech filtering comprising a headset with reference microphones, residual microphones and speakers on each of a pair of open backed muffs and a controller means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.