GPS-based anti-blinding system for active night vision
US6690017B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 21, 2002 |
| Grant date | Feb 10, 2004 |
| Priority date | — |
| Expiry date | Apr 30, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B23/12
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A night vision system for a vehicle is provided. The system includes an illumination subsystem for illuminating a region proximate the vehicle, a receiver for receiving light reflected off objects in the illuminated region and generating a signal responsive to the received light. A GPS unit is included in operative communication with a GPS network for generating a time signal and vehicle directional data. A controller is programmed to periodically pulse on the illuminating device and the receiver substantially simultaneously as a function of the time signal and the vehicle directional data. In particular, vehicles traveling in opposite directions will have their night vision system activated out-of-phase with each other so that neither night vision system is “blinded” by illumination emitting from the other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.