Photoelectric type fire detector

Photoelectric, scattered light smoke detector

Photographic subject authenticating device, portable...

Photon intrusion detector

Photoresist pump dispense detection system

Photosensitive alarm systems

Photosensitive sound generator

Photosensitive switch with circuit for indicating malfunction

Physical condition monitoring system

Physical deterrent barrier with upward looking detection sensor

Physical key to facilitate an inactive mode for a...

Physical key to facilitate an inactive mode for a...

Physical key to facilitate an inactive mode state-of-charge...

Physiological sensor system with automatic authentication...

Physiology monitoring sleep prevention system

Physiomagnetometric inspection and surveillance system and...

Picket barrier and intrusion sensing system

Pickpocket protective wallet

Pickup truck tailgate monitor

Piezo film sensor switch responsive to blowing forces