Lamp ignitor with automatic shut-off feature

Details Lamp ignitor with automatic shut-off feature Lamp ignitor with automatic shut-off feature

1990-07-25

1991-12-03

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Surge generator or inductance in the supply circuit

315119, 315290, 315360, H05B 4114

Patent

active

050702793

ABSTRACT:
An ignitor circuit for a discharge lamp is controlled by a timer to shut-off ignition pulses after a predetermined time if the lamp does not ignite. The timer is controlled by the application of power to the input line. Means in the lamp housing allow the timer to be manually reset during a hot relamping operation.

REFERENCES:
patent: 4107579 (1978-08-01), Bodine, Jr. et al.
patent: 4207500 (1980-06-01), Duve et al.
patent: 4695771 (1987-09-01), Hallay
patent: 4763044 (1988-08-01), Nuckolls et al.
patent: 4896077 (1990-06-01), Dodd et al.

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