Distance measurement sensor

Distance measuring apparatus and distance measuring method

Distance measuring sensor and method for manufacturing the same

Distance measuring system

Distance sensor for determining a distance between two relativel

Distance tracking control system for single pass...

Distance-measuring apparatus

Distance-measuring apparatus comprising a plurality of...

Distance-measuring apparatus which improves dynamic range of...

Document original size detecting device

Double document detection system having dectector calibration

Dual background document scanner to eliminate hole printouts

Dual beam sensor and edge detection system and method

Dual beam symmetric height systems and methods

Dual laser homing sensor

Dual level out-of-focus light source for amplification of...

Dual spot confocal displacement sensor

Dual stage following method and apparatus

Dual-headed, adjustable optoelectronic image reader

Dust and scratch detection for an image scanner