Lighter actuation system
US5967148A · kind A · utility
361Cited by
5References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 1997 |
| Grant date | Oct 19, 1999 |
| Priority date | — |
| Expiry date | Oct 16, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S131/906
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A cigarette identifier system comprising an infrared emitter and an infrared detector located across an opening of a cigarette receiver, wherein the sensor registers changes in the transmission of the infrared beam across the opening so as to detect the differences in transmissivity of dense and less dense and portions of an inserted cigarette.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.