US Patent 9677327 Security focused system for smart windows

A smart window-based security system is provided. The system includes a plurality of smart windows, each smart window of the plurality of smart windows having at least one electrochromic window and at least one sensor integrated into the smart window. The plurality of smart windows are coupled together in a system having at least one processor configured to detect a personal or property security threat, such as an intruder or fire based, on information from sensors of the plurality of smart windows.