A combination radar/laser detector with environmental sensors is programmed to provide a range of functions, including weather information, road conditions and the like, and in some cases to incorporate road-specific information in functionality. The road-specific information may be provided by roadside...http://www.google.de/patents/US6297732?utm_source=gb-gplus-sharePatent US6297732 - Radar/laser detection device with multi-sensing and reporting capability
