Non-volatile fault indication
Non-wired perimeter protective system
Noncontact communication medium and noncontact communication...
Notification alarm transfer methods, system, and device
Notification device for containers with openings
Notification of use of network-enabled device
Notification/alert motion for electronic equipment and or...
Notifying users of device events in a networked environment
Novelty moisture detector for plants
Nozzle condition monitor
Nuclear detection via a system of widely distributed low...
Nuclear event detectors
Nuclear leakage detection system using wire or optical fiber
Null seeking position sensor