Display device having a display tube including a cold cathode an

Details Display device having a display tube including a cold cathode an Display device having a display tube including a cold cathode an

1993-03-19

1994-09-13

Pascal, Robert J.

Electric lamp and discharge devices: systems

With cathode or cathode heater supply circuit

315 97, 315105, 315383, H05B 3900

Patent

active

053471970

ABSTRACT:
A display device having a display tube including a cold cathode, for example a PN emitter (PNE), has the terminals of the PN emitter (PNE) coupled between first terminals of a first (CR1) and a second (CR2) current mirror. The first current repeater (CR1) is connected to an output of an amplifier (AMP) whose feedback input (FI) is connected to second terminals of the first (CR1) and second (CR2) current mirrors.

REFERENCES:
patent: 4484228 (1984-11-01), Parker
patent: 4484229 (1984-11-01), Parker
patent: 4829492 (1986-07-01), Choi et al.
patent: 4973890 (1990-05-01), Desjardins

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