System for directing a lost person to a rescue location
US7755496B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Feb 12, 2008 |
| Grant date | Jul 13, 2010 |
| Priority date | — |
| Expiry date | Feb 1, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B7/06
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A system for directing a lost person to a predetermined location for pickup including a tethered balloon or other highly visible signal deployed at the pickup location. A manned or remotely controlled aircraft is provided for flying over the area in which the lost person is presumed to be located. The aircraft is equipped with a downward directed loudspeaker broadcasting an audible message instructing the lost person to walk towards the balloon or other signal at the rescue location. The aircraft may be a fixed-wing or rotary-wing aircraft, and airship such as a dirigible or blimp, an ultralight, or a hybrid aircraft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.