Seat particularly for a passenger transport vehicle
US10232945B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 4, 2018 |
| Grant date | Mar 19, 2019 |
| Priority date | — |
| Expiry date | Apr 4, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K2210/3221
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Disclosed is a seat intended in particular for a passenger transport vehicle, the seat including a seating part, a backrest that pivots relative to the seating part, a headrest, and an active noise control device including: at least one error sensor capable of sensing a minimization acoustic field and generating a reference signal; a reference sensor able to capture an undesirable acoustic field; a processing unit able to generate a cancellation signal from the reference signal and from a signal representative of the undesirable acoustic field; and at least one speaker able to emit a cancellation acoustic field from the cancellation signal. The headrest includes a support and a first deformable casing carried by the support. The at least one error sensor is arranged on the first deformable casing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.