Pick-up tube having light controllable furcated light pipes

Pick-up tube having photoconductor on zinc oxide layer

Pick-up tubes

Pick-up unit comprising a camera tube

Pickup tube having a mesh assembly with field modifying means

Pickup tube having mesh support electrode aligning means

Pickup tube target

Picture pick-up device and television camera tube

Picture taking tube having a bias light device

Plasma display panel

Plasma display panel with an improved electrode structure

Polycrystalline selenium imaging devices

Pyroelectric detector comprising nucleating material wettable by

Pyroelectric detectors

Pyroelectric target and image pick up tube provided with such a

Pyroelectric targets and method of manufacture

Pyroelectric vidicon having a protective covering on the pyroele

Pyroelectric vidicon having target heating means on accelerating

Radiation sensitive screen

Radiation-sensitive tube using photoconductive layer composed of