Digitizer with illuminatable working surface

Digitizer with serpentine conductor grid having non-uniform...

Digitizer with serpentine-type conductor grid having uniform...

Direct view remote control method for workings machine and...

Displacement detection

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