Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition
Patent
1980-07-31
1982-05-11
Dixon, Harold A.
Electric lamp and discharge devices: systems
Periodic switch in the supply circuit
Silicon controlled rectifier ignition
315241R, 361256, 361263, 431264, H05B 3702
Patent
active
043296289
ABSTRACT:
A spark generator of the relaxation oscillator type operates on only one half of the cycle of the applied alternating current. By providing a gating circuit that triggers through a threshold switch means from a capacitor charge, it is possible to fire a silicon controlled rectifier on the same half cycle as the charging of an energy storage capacitor. The circuit can be operated by means of a diode and switch, or by an asymmetric current conducting element such as a silicon controlled rectifier.
REFERENCES:
patent: 3718423 (1973-02-01), Matthews
patent: 3781163 (1973-12-01), Ovens
patent: 3806305 (1974-04-01), Dietz et al.
patent: 3902839 (1975-09-01), Matthews
patent: 3918881 (1975-11-01), Matthews
patent: 4001638 (1977-01-01), Bauer
patent: 4023922 (1977-05-01), Goto
Dixon Harold A.
Feldman Alfred N.
Honeywell Inc.
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