Coupling wireless portable communications device to a base...
Cradle for accepting portable communications device and...
Cranking system performance indicator
Current sensing alarm circuit for a motor vehicle
Data communication device
Data communication device
Data communication network for minimizing toll-charge...
Data compression and decompression method and apparatus with...
Data display radio pager
Data transmission system
Deceleration alert system
Deceleration detector system for motor vehicles with automatic t
Deceleration indicating system
Deceleration indication system
Deceleration warning indicator
Decoupled hydrophone with reduced response to vibration and stre
Depth controllers for seismic streamer cables with dimension var
Depth controllers with controllable negative and uncontrollable
Depth-of-field arc-transducer and sonar system
Detecting water on boat exhaust manifold