Industrial headset
US5604813A · kind A · utility
64Cited by
8References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 1994 |
| Grant date | Feb 18, 1997 |
| Priority date | — |
| Expiry date | May 2, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2201/107
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
This invention relates to the various features of a headset design that utilizes active noise cancellation. This particular design has been developed to work with radio communication systems, but many features are applicable to headsets designed solely for ear protection. The unique design features of the invention allow for uninterrupted communication capability with active noise cancellation. The design also provides it own built in rechargeable power supply that is easily removed for recharging.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.