Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Multiple filament load devices
Patent
1988-10-18
1991-04-30
LaRoche, Eugene R.
Electric lamp and discharge devices: systems
Combined load device or load device temperature modifying...
Multiple filament load devices
315 71, 315 93, 315122, 315179, 315185R, 315192, H01J 744, H05B 3910, H05B 4146
Patent
active
050121570
ABSTRACT:
There is provided a luminaire primarily for use with exit signs and other emergency-type lighting comprising a series string of low-voltage, extremely long-life bulbs positioned within an enclosure for protection and electrically connected to a standard base whereby luminaires having lives of 10 to 30 years may replace standard bulbs without the requirement of retrofitting.
REFERENCES:
patent: 1839479 (1932-01-01), Hartman
patent: 2042963 (1936-06-01), Rentschler et al.
patent: 2095306 (1937-10-01), Austin
patent: 2297258 (1942-09-01), Spanner
patent: 3912966 (1975-10-01), Harnden, Jr.
patent: 3930183 (1975-12-01), Harnden, Jr.
patent: 4143411 (1979-03-01), Roberts
patent: 4161021 (1979-07-01), George, Jr.
patent: 4173035 (1979-10-01), Hoyt
patent: 4185219 (1980-01-01), Kamio
patent: 4204273 (1980-05-01), Goldberg
patent: 4272698 (1981-06-01), Oyama et al.
patent: 4285032 (1981-08-01), Honda et al.
patent: 4355348 (1982-10-01), Williams
patent: 4410835 (1983-10-01), Zabroski
patent: 4425601 (1984-01-01), Donahue
patent: 4425605 (1984-01-01), Cheng
patent: 4461974 (1984-07-01), Chiu
patent: 4473776 (1984-09-01), Peters
patent: 4521839 (1985-06-01), Cook et al.
patent: 4587597 (1986-05-01), Meyers
patent: 4596944 (1986-06-01), Gorstein
patent: 4597035 (1986-06-01), Lettenmeyer
patent: 4665470 (1987-05-01), George, Jr.
patent: 4748545 (1988-05-01), Schmitt
patent: 4782429 (1988-11-01), Walton et al.
Roshdieh Al R.
Walton John F.
LaRoche Eugene R.
Rose Howard L.
Shingleton Michael B.
LandOfFree
Long-life luminaires does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Long-life luminaires, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Long-life luminaires will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-642842