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121 162 new documents added

981 197 documents amended

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EP 0269472 B1 19900808 - PICTURE PICK-UP TUBE WITH A POLARIZING LIGHT SOURCE

Title (en)

PICTURE PICK-UP TUBE WITH A POLARIZING LIGHT SOURCE

Publication

EP 0269472 B1 19900808 (FR)

Application

EP 87402278 A 19871013

Priority

FR 8614414 A 19861017

Abstract (en)

[origin: US4823045A] A picture taking tube is provided having a bias light device, said device being formed by a diffuser and a ring of light emitting diodes, which are placed about the glass vacuum enclosure of the tube, the light penetrating into the enclosure through gaps between the electrodes of the tube and also, if necessary, through small sized openings formed in these electrodes.

IPC 1-7

H01J 31/38

IPC 8 full level

H01J 31/38 (2006.01); H04N 5/228 (2006.01)

CPC (source: EP US)

H01J 31/38 (2013.01 - EP US)

Designated contracting state (EPC)

DE GB NL

DOCDB simple family (publication)

EP 0269472 A1 19880601; EP 0269472 B1 19900808; DE 3764244 D1 19900913; FR 2605456 A1 19880422; FR 2605456 B1 19881209; JP S63158734 A 19880701; MA 21048 A1 19880401; US 4823045 A 19890418

DOCDB simple family (application)

EP 87402278 A 19871013; DE 3764244 T 19871013; FR 8614414 A 19861017; JP 26152887 A 19871016; MA 21288 A 19870804; US 10917487 A 19871016