Nasal breath monitor
US4924876A · kind A · utility
48Cited by
3References
10Claims
0Family size
Inventor
Key dates
| Filing date | Nov 4, 1987 |
| Grant date | May 15, 1990 |
| Priority date | — |
| Expiry date | Nov 4, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/7232
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A nasal breath monitor, which uses separate sensors for each nostril to detect the flow of the breath, electronic circuitry to amplify and enhance the detected signal, and stereo headphones to bring this information to the ears.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.