Electric lamp and discharge devices: systems – Plural power supplies – Plural cathode and/or anode load device
Patent
1975-11-12
1977-05-31
Chatmon, Jr., Saxfield
Electric lamp and discharge devices: systems
Plural power supplies
Plural cathode and/or anode load device
340324M, H05B 3700, H05B 4100
Patent
active
040271960
ABSTRACT:
Erase waveforms effecting improved erase action are provided for a gas panel of the type in which light emitting cells are formed in an ionizable medium at the crossover point of a set of horizontally and vertically extending insulated wires. The erase waveforms include a burst of bipolar pairs of pulses, each pair comprising a low amplitude wide duration erase pulse followed by an opposite polarity narrowed sustain pulse. The burst of pulse pairs being applied during the time frame of a normal sustain operation.
REFERENCES:
patent: 3771016 (1973-11-01), Toba et al.
patent: 3803450 (1974-04-01), Trogdom
patent: 3824580 (1974-07-01), Bringol
patent: 3851212 (1974-11-01), Umeda et al.
patent: 3919591 (1975-11-01), Criscimagna
patent: 3940755 (1976-02-01), Shutoh
patent: 3958151 (1976-05-01), Yano et al.
Criscimagna Tony N.
Steinmetz Michael J.
Berriman Harry T.
Chatmon, Jr. Saxfield
International Business Machines - Corporation
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