Mechanically adjustable electron gun apparatus

Details Mechanically adjustable electron gun apparatus Mechanically adjustable electron gun apparatus

1975-09-15

1976-12-14

Rolinec, R. V.

Electric lamp and discharge devices

Cathode ray tube

Ray generating or control

250306, 250311, 313459, H01J 2946

Patent

active

039978079

ABSTRACT:
An electron gun apparatus comprises a cathode subassembly which is movably mounted relative to a fixedly mounted and registered grid/anode subassembly to permit mechanical adjustment of the cathode with respect to the grid/anode subassembly. An evacuated chamber, including resilient bellows interconnecting the movably mounted cathode assembly to the fixedly mounted grid/anode subassembly for permitting the mechanical adjustment, houses the cathode and the grid/anode subassemblies. Means are provided for electrical energization of the cathode, the grid, and the anode. According to a further feature of the invention, the cathode comprises a line filament, and the grid and the anode are slotted for providing an elongated line image.

REFERENCES:
patent: 2391780 (1945-12-01), Hillier
patent: 3229145 (1966-01-01), Jensen

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