H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
H01J40/02—Details
H01J40/14—Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
Landscapes
Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes
(AREA)
Dispositif de protection d'une ligne de transmission de courant contre une surtension transitoire ou permanente et systeme de transmission de courant comprenant un tel dispositif.