Smart miniature fragrance dispensing device for multiple ambient scenting applications and environments
US6554203B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 30, 2001 |
| Grant date | Apr 29, 2003 |
| Priority date | — |
| Expiry date | Aug 30, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B17/0607
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The smart fragrance dispensing device (1) has an airless fragrance reservoir (1a) containing a principal medium (8), a flow channel (3) for receiving the principal medium (8), a liquid spray dispenser (2) connected to the reservoir (1a) for dispensing the principal medium (8) as a spray into the flow channel (3), a programmable driving circuit (5) for operating the liquid spray device so as to create the spray consisting of monodispersive droplets, a memory device (4) carrying and communicating identification information about at least the principal medium (8), its dispensing and diffusing characteristics, the liquid spray dispenser (2) and the reservoir (1a), and a programmable control and communication micro-controller unit (7) linked to the reservoir (1a), the information being used to adapt to the individual perception of a user by adjusting to a desired level and memorizing the level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.