Passive non-energized earthquake detector
Passive personal alarm device
Passive radio frequency device for monitoring wear in...
Passive remote photoelectric surveillance alarm with telescopic
Passive resonant reflector
Passive RFID elements having visual indicators
Passive RFID tag that retains state after temporary loss of...
Passive RFID transponder/reader system and method for hidden...
Passive RFID-based electronic seal
Passive security device for detecting ferromagnetic objects
Passive UHF omnidirectional container electronic seal
Password controlled anti-theft system for discouraging theft of
Patch antenna for RFID tag
Patch panel cover mounted antenna grid for use in the...
Patent monitoring system
Pathogen detector system and method
Patient activity monitoring device with multiple sensors
Patient activity monitoring system
Patient ambulation motion detector
Patient ambulation motion detector with multiple switch motion d