Portable device for determining horizontal and vertical...
Portable electronic devices, methods and computer program...
Portable flight guidance and tracking system
Portable FM-CW radar device with frequency conversion by first a
Portable geophysical system using an inverse collocation-type me
Portable GPS position measuring/displaying apparatus
Portable GPS positioning apparatus
Portable GPS signal receiving apparatus
Portable GPS type distance/speed meter capable of changing...
Portable GPS type distance/speed meter capable of...
Portable hybrid location determination system
Portable locating system
Portable map display system for presenting a 3D map image...
Portable navigational communications transceiver
Portable navigational device with a remote control, an...
Portable navigational device with a remote control, an...
Portable position determining device
Portable position determining device
Portable proximity-sensing safety device
Portable radar simulator