Modulator with variable launch conditions for multi-electron gun

Details Modulator with variable launch conditions for multi-electron gun Modulator with variable launch conditions for multi-electron gun

1979-10-22

1981-04-21

Segal, Robert

Electric lamp and discharge devices

Cathode ray tube

Beam deflecting means

315366, H01J 2946, H01J 2948

Patent

active

042635292

ABSTRACT:
An evacuated envelope is divided into a plurality of electron propagation channels. Each channel includes an electron gun section and a beam guide section. The electron gun section provides electrons in the form of beams to the guide section. The guide section includes spaced guide meshes and the electrons are propagated along the channel in the space between the guide meshes. A launch section, in the form of at least one pair of launch electrodes, is arranged between the electron gun section and the beam guide section. The conditions under which electrons leave the gun section and enter the guide section are selected by the application of selected voltages to the launch electrodes.

REFERENCES:
patent: 4088920 (1978-05-01), Siekanowicz et al.
patent: 4128784 (1978-12-01), Anderson
Anderson et al., Copending Appl. Ser. No. 921,267, filed Jul. 3, 1978.

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