摘要:
In a display panel comprising a gas-filled envelope containing at least two arrays of electrodes defining gas-filled cells, at feast one array of electrodes is insulated from the gas and comprises A.C. electrodes. If the panel is turned off for any length of time with display information contained therein, the information can be re-displayed by applying special pulses during a re-ignition period and then applying normal sustaining pulses during the normal display period.
摘要:
The disclosure is of a system for operating a dot matrix display panel including elongated anodes and cathodes oriented transversely to each other to define columns of D.C. scanning cells. An array of quasi A.C. display cells is provided spaced from the D.C. scan cells by an apertured electrode plate. Operation of the D.C. scan cells to transfer glow from a scan cell to an associated display cell is achieved by momentarily turning off the scan cell by the application of a negative pulse to its anode. To prevent the coupling of this pulse to adjacent anodes and spurious operation of adjacent scan cells and display cells, a counterbalancing positive pulse is applied to all anodes and a counter-balancing negative pulse is applied to all «off» cathodes.
摘要:
In a display panel comprising a gas-filled envelope containing at least two arrays of electrodes defining gas-filled cells, at feast one array of electrodes is insulated from the gas and comprises A.C. electrodes. If the panel is turned off for any length of time with display information contained therein, the information can be re-displayed by applying special pulses during a re-ignition period and then applying normal sustaining pulses during the normal display period.
摘要:
The disclosure is of a system for operating a dot matrix display panel including elongated anodes and cathodes oriented transversely to each other to define columns of D.C. scanning cells. An array of quasi A.C. display cells is provided spaced from the D.C. scan cells by an apertured electrode plate. Operation of the D.C. scan cells to transfer glow from a scan cell to an associated display cell is achieved by momentarily turning off the scan cell by the application of a negative pulse to its anode. To prevent the coupling of this pulse to adjacent anodes and spurious operation of adjacent scan cells and display cells, a counterbalancing positive pulse is applied to all anodes and a counter-balancing negative pulse is applied to all «off» cathodes.