Electrostatic-shutter tube with field-conforming shutter electro

Details Electrostatic-shutter tube with field-conforming shutter electro Electrostatic-shutter tube with field-conforming shutter electro

1992-09-22

1999-05-18

O'Shea, Sandra

Electric lamp and discharge devices

Photosensitive

Having phosphor screen

H01J31/50

Patent

active

059053372

ABSTRACT:
An electrostatic-shutter image tube (10) has a shutter electrode (17) disposed between an electron source (12) and a focusing and accelerating electrode (13). An electron flow is propagated through a network of equipotential lines to form an image on a target (14). The shutter electrode (17) is annular and conforms with an equipotential line. Deflection electrodes (20a,20b) and an image sequencer (21) make it possible to influence the position of a sequence of small images on the target (14) where they are temporarily stored.

REFERENCES:
patent: 3474275 (1969-10-01), Stoudenheimer et al.
patent: 3480782 (1969-11-01), Burns
patent: 3715620 (1973-02-01), Marro
patent: 3896331 (1975-07-01), Enck, Jr. et al.
patent: 3989971 (1976-11-01), Santilli et al.
patent: 4528447 (1985-07-01), Fitts et al.
patent: 4682021 (1987-07-01), Fitts
patent: 4814599 (1989-03-01), Wang

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