Flat picture-reproducing device

Details Flat picture-reproducing device Flat picture-reproducing device

1988-12-28

1990-01-23

Griffin, Robert L.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

3151691, 313422, H01J 2970

Patent

active

048960802

ABSTRACT:
In a flat, vacuum-enclosed picture-reproducing device having a phosphor-coated glass faceplate and a shallow tray-shaped rear housing in which a cathode consisting of a periodic array of oxide-coated heating wires is located in front of a counterelectrode, and which contains a control arrangement between the cathode and the faceplate, a perforated anode is present between the heating wires and the control arrangement, which consists of two layers of electrodes, and the counterelectrode has segments arranged perpendicular to the longitudinal dimension of the oxide-coated heating wires.

REFERENCES:
patent: 4227117 (1980-10-01), Watanabe et al.
patent: 4535272 (1985-08-01), Ueda et al.
patent: 4736139 (1988-04-01), Tomii et al.

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