Lighting equipment

Details Lighting equipment Lighting equipment

1979-03-12

1982-07-20

La Roche, Eugene R.

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Inductance in the supply circuit

315246, 315DIG5, H05B 4116

Patent

active

043408443

ABSTRACT:
A lighting equipment comprises a high pressure metal vapor discharge lamp having a lamp voltage of 145 to 180 V actuated by a lag type ballast supplied with a voltage of lower than 220 V or a high pressure metal vapor discharge lamp having a lamp voltage of 150 to 200 V actuated by a lag type ballast supplied with a voltage of higher than 220 V whereby a consumed power is reduced in comparison with the conventional lighting device.

REFERENCES:
Elenbaas, High Pressure Mercury Vapour Lamps and Their Applications, Philips Technical Library, Netherlands, 1965 pp. 82-85.

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