H01J1/54 - CPC Classification

Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps Screens on or from which an image or pattern is formed, picked-up, converted, or stored; Luminescent coatings on vessels

• H01J1/56 » acting as light valves by shutter operation, e.g. for eidophor 0
• H01J1/58 » acting by discolouration, e.g. halide screen 0
• H01J1/60 » Incandescent screens 0
• H01J1/62 » Luminescent screens; Selection of materials for luminescent coatings on vessels 31
• H01J1/78 » Photoelectric screens; Charge-storage screens 6

Recent Application in this class: