Display device comprising a flat display window and low-micropho

Details Display device comprising a flat display window and low-micropho Display device comprising a flat display window and low-micropho

1989-02-21

1990-08-21

O'Shea, Sandra L.

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

313422, 313495, 313269, H01J 1912, H01J 6302

Patent

active

049509462

ABSTRACT:
A display device having in an evacuated envelope a mechanically tensed thermionic linear wire cathode 4 and a bent first electrode 5 having a slit 6. The wire cathode 4 is rendered insensitive to microphonics by means of positioning means 22 which are urged against the slit 6 by the wire cathode 4.

REFERENCES:
patent: 4804887 (1989-02-01), Miyama et al.

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