Light-activated mist sprayer system
US7306167B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 21, 2004 |
| Grant date | Dec 11, 2007 |
| Priority date | — |
| Expiry date | Jan 13, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/1939
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An automatic mist-sprayer system comprising a control unit having electronic circuitry adapted to activate the sprayer for a predetermined interval in response to a sensed ambient light condition of desired intensity and duration. The system desirably further includes an electrical power supply and a plurality of spaced-apart sprayer heads. A preferred utility for the system of the invention is spraying dilute solutions of insecticide or insect repellent during the periods of significant insect activity that typically occur around dusk and dawn. Manual overrides and a remote receiving unit are also disclosed for use of the system at times other than dusk and dawn.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.