Electric lamp and discharge devices: systems – Plural power supplies – Plural cathode and/or anode load device
Patent
1975-03-14
1976-05-11
Rolinec, R. V.
Electric lamp and discharge devices: systems
Plural power supplies
Plural cathode and/or anode load device
178 73D, 313217, 315 58, 357 45, H04N 316, H05B 3700
Patent
active
039566676
ABSTRACT:
A luminous discharge device having a gas filled, gas tight envelope. A cathode is disposed at one side interiorly of the envelope and a luminescent target is disposed at the opposite side of the envelope. An insulating substrate is perforated in the form of a matrix and is positioned intermediate of the cathode and the luminescent target. The insulating plate has a series of rows of anodes disposed on one side thereof and a series of columns of controlled electrodes arranged at the other side thereof in a direction which is generally perpendicular to the anodes. The spacing between the anodes and the cathode is of such a value as to induce a normal gas discharge therebetween while the spacing between the controlled electrodes and the luminescent target is arranged to be such as to prevent a normal gas discharge. By applying a suitable signal to develop a gas discharge adjacent to a given row of anodes and simultaneously applying a selected positive voltage to at least one of the control electrode columns, an electron flow can be induced through a specific one of the holes in the matrix to impinge upon a predetermined spot on the luminous target and thereby produce a video response.
REFERENCES:
patent: 3624273 (1971-11-01), Gale
patent: 3754161 (1973-08-01), Johnson
patent: 3862360 (1975-01-01), Dill et al.
Dahl Lawrence J.
Rolinec R. V.
Siemens Aktiengesellschaft
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