Starting and operating apparatus for high pressure sodium lamp b

Details Starting and operating apparatus for high pressure sodium lamp b Starting and operating apparatus for high pressure sodium lamp b

1975-01-10

1978-02-07

Rolinec, Rudolph V.

Electric lamp and discharge devices: systems

Discharge device and/or rectifier in the supply circuit

Plural discharge devices and/or rectifiers in the supply...

315DIG5, H05B 3700

Patent

active

040728781

ABSTRACT:
A lighting apparatus which provides for high voltage pulses for starting a high pressure sodium lamp. This apparatus uses a zener diode circuit which provides appropriately timed starting pulses even at relatively low line voltage. The apparatus can be designed to supply either one pulse or two pulses per cycle.

REFERENCES:
patent: 3364386 (1968-01-01), Segawa et al.
patent: 3407334 (1968-10-01), Attewell
patent: 3676734 (1972-07-01), Shimizu et al.
patent: 3679936 (1972-07-01), Moerkens
patent: 3857060 (1974-12-01), Chermin
patent: 3917976 (1975-11-01), Nuckolls

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