Door handle for vehicle

Door handle for vehicle and smart entry system for vehicle...

Door lock and operation mechanism

Door lock and operation mechanism

Door lock handle with fingerprint recognition function

Door lock mechanism controller and method of controlling...

Door lock system

Door opening and closing apparatus

Door security system audit trail

Door unlocking controller and control method thereof

Doppler navigation method for determining the distance travelled

Doppler radar vehicle speed sensing system including means for c

Doppler spectral measurement

Doppler speedometer

Dopplerizing a signal of varying frequency

Dot-matrix type vehicle condition display apparatus

Double flexure disc electro-acoustic transducer

Down hole pressure/temperature gage connect/disconnect method an

Downhole seismic source

Drawer control apparatus