Electronic vapor provision system
US10159279B2 · kind B2 · utility
26Cited by
16References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 8, 2014 |
| Grant date | Dec 25, 2018 |
| Priority date | — |
| Expiry date | Oct 8, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24F40/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electronic vapor provision system is provided including: a pressure drop or air flow sensor for monitoring inhalation by a user through the electronic vapor provision system; and a control unit for detecting the start and end of inhalation based on readings from the sensor. The control unit is configured to: monitor the cumulative period of inhalation (Ti) over a predetermined window (Tw); and transfer the electronic vapor provision system to a sleep mode if the cumulative period (Ti) exceeds a predetermined threshold (Th).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.