Parallel operation of seismic vibrators without phase control
Parallel RFID system using CDMA
Parameter display and alarm installation for motor-driven vehicl
Parking aid
Parking brake warning system
Partially filled fluid damped geophone
Passing vehicle signalling apparatus
Passive acoustic navigation aid
Passive communication device and passive access control system
Passive entry sensor system
Passive entry sensor system
Passive entry with anti-theft function
Passive keyless entry system
Passive remote access control system
Passive response communication system
Passive security device
Passive tag with variable output
Password protection using spatial and temporal variation in...
Password registration device for a bicycle
Peak detector for resolution enhancement of ultrasonic visualiza