• All sections
• H - Electricity
• H01J - Electric discharge tubes or discharge lamps
• H01J 31/64 - Tubes for storage of image or information pattern or for conversion of definition of television or like images, i.e. having electrical input and electrical output having means for deflecting, either selectively or sequentially, an electron ray on to separate surface elements of the screen with separate reading and writing rays on opposite sides of screen, e.g. for conversion of definition

Patent holdings for IPC class H01J 31/64

Total number of patents in this class: 0

10-year publication summary

Principal owners for this class