Paper currency recognition system

Part positioning system employing a mask and photodetector array

Passive solar tracking system for steerable Fresnel elements

Pathlength control system with deformable mirror having liquid-f

Pattern detecting apparatus utilizing energy beam

Pattern distortion detecting method and apparatus and...

Pattern position detecting method and apparatus for detecting th

Pattern projector for automatic focusing endoscope

Pattern tracer using digital logic

Pattern tracer using matrix sensor

Pattern tracer with dual scan slowdown circuit

Pattern tracer with electronic kerf control with adjustably dela

Pattern tracer with electronic kerf, calibration and line width

Pattern tracer with kerf dependent control for improved cornerin

Pattern tracer with variable effective forward offset and method

Pellicle reflectivity monitoring system having means for compens

Pendulous compensator vibratory motion damping system

Performance improvement for camera autofocus

Phase difference detector with analog signals

Phase plate design for aligning multiple inkjet cartridges by sc