Lighting fitting provided with at least two-low-pressure mercury

Details Lighting fitting provided with at least two-low-pressure mercury Lighting fitting provided with at least two-low-pressure mercury

1972-08-31

1977-08-30

Braun, Fred L.

Buckles, buttons, clasps, etc.

240 4617, 240 5111R, 315294, F21V 1118

Patent

active

040456641

ABSTRACT:
In a lighting fitting provided with at least two low-pressure mercury vapor discharge lamps whose radiated light has a different spectral composition. The lighting fitting is provided with apparatus to control the lumen ratio of the two lamps without varying the lumen level of the fitting. According to the invention low-pressure mercury vapor discharge lamps are used in the fitting which, inter alia as regards their color point, satisfy special requirements so that the color rendition obtained with these lamps is always of a high quality for each mixing ratio of the light from these lamps.

REFERENCES:
patent: 2301419 (1942-11-01), Lew
patent: 2642523 (1953-06-01), Wince
patent: 2798942 (1957-07-01), Mason
patent: 3644785 (1972-02-01), Jarmar

Affiliated with

Also associated with

Rating

Lighting fitting provided with at least two-low-pressure mercury does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Lighting fitting provided with at least two-low-pressure mercury, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lighting fitting provided with at least two-low-pressure mercury will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-963796