Mouth-operated control device
US4929826A · kind A · utility
11Cited by
3References
13Claims
0Family size
Inventors
Key dates
| Filing date | Sep 26, 1988 |
| Grant date | May 29, 1990 |
| Priority date | — |
| Expiry date | Sep 26, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10H1/0553
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A light-sensitive device is placed so as to receive a portion of the ambient light energy present within the mouth of the operator. The amount of ambient light impinging upon the sensing device is then modulated by movement of the lips and teeth of the operator, controlling some external process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.