X-Ray image digital subtraction system

X-ray image scanner and method

X-ray image subtracting system

X-Ray imaging apparatus

X-ray picture coding

X-ray television apparatus

X-ray television apparatus

X-ray television diagnostic apparatus

X-ray television installation for monitor photography

X-ray television system

X-Y addressable imager with variable integration

X-Y addressable solid state imager for low noise operation

Yoke adjusting apparatus for a color TV picture tube

Yoke mounting assembly for a video camera

Zero-run-length encoder with shift register

Zigzag interline transfer type CCD image sensor

Zone plate signal generator

Zoom and auto focus controls for video camera

Zoom indicating apparatus for video camera or the like

Zoom lens apparatus with auto-focusing