Displacement direction and amplitude sensor

Displacement measurement devices and a signal processing...

Displacement measuring instrument

Displacement sensing system

Displacement-electric signal converter

Display container

Distant electrical control apparatus

Dual control system and method

Dual frequency narrow-band frequency modulated keyable...

Dual load control device

Dual mode meter reading apparatus

Duplex bi-directional multi-mode remote instrument reading...

Dynamic level shifter for photoelectric touch panel

Dynamic stabilization and control of an earthmoving machine

Dynamically interactive responsive control device and system

Dynamometric measuring device for boring rod