Global Patent Index - EP 0540093 B1

EP 0540093 B1 19970108 - Image tube with electrostatic shutter and imaging device

Title (en)

Image tube with electrostatic shutter and imaging device

Title (de)

Bildröhre mit elektrostatischer Verschlussvorrichtung und Bildaufnahmeanordnung

Title (fr)

Tube-image à obturateur électrostatique et dispositif de prise de vue

Publication

EP 0540093 B1 19970108 (FR)

Application

EP 92203249 A 19921022

Priority

FR 9113403 A 19911030

Abstract (en)

[origin: EP0540093A1] Image tube (10) with electrostatic shutter provided with shutter means (17) between an electron source (12) and focusing and accelerating means (13), an electron stream propagating through a grid of equipotentials in order to form an image on a target (14). The shutter means consist of an annular electrode (17) coinciding with one equipotential. Deflecting means (20) and a sequencer (21) enable a series of small-sized images which are stored temporarily therein to be moved over the target (14). <IMAGE>

IPC 1-7

H01J 31/50; H01J 31/26

IPC 8 full level

H01J 29/58 (2006.01); H01J 31/08 (2006.01); H01J 31/26 (2006.01); H01J 31/50 (2006.01)

CPC (source: EP US)

H01J 31/26 (2013.01 - EP US); H01J 31/502 (2013.01 - EP US)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0540093 A1 19930505; EP 0540093 B1 19970108; DE 69216550 D1 19970220; DE 69216550 T2 19970710; FR 2683385 A1 19930507; JP H05234548 A 19930910; US 5905337 A 19990518

DOCDB simple family (application)

EP 92203249 A 19921022; DE 69216550 T 19921022; FR 9113403 A 19911030; JP 29000692 A 19921028; US 94928992 A 19920922