Apparatus and method for reducing motion sickness
US5161196A · kind A · utility
11Cited by
10References
9Claims
0Family size
Inventor
Key dates
| Filing date | Nov 21, 1990 |
| Grant date | Nov 3, 1992 |
| Priority date | — |
| Expiry date | Nov 21, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2021/0027
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An artificial horizon of sound is maintained in an enclosure which is irregularly moving in a manner which may induce motion sickness of its occupant(s), by positioning sound emitters in spaced locations in the enclosure and continuously varying the sound intensity of selected emitters to create the perception of a relatively stationary sound horizon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.