Apparatus for generating odor upon electronic signal demand
US6548025B1 · kind B1 · utility
12Cited by
23References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2000 |
| Grant date | Apr 15, 2003 |
| Priority date | — |
| Expiry date | Dec 21, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L9/125
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus for generating odor including a disk having a substrate with a dispersing material retaining at least one releasable aroma positioned with respect to the substrate. The dispersing material includes a structure, such as a plurality of openable pores, that is physically responsive to a stimulus such as heat or light. A device provides the stimulus to the dispersing material upon demand as a function of a signal, wherein the plurality of pores within the dispersing material are reversibly enlarged as a result of the stimulus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.