Electric lamp and discharge devices: systems – Surge generator or inductance in the supply circuit – Circuit interrupter in the inductance circuit
Reexamination Certificate
2006-03-28
2006-03-28
Vo, Tuyet Thi (Department: 2821)
Electric lamp and discharge devices: systems
Surge generator or inductance in the supply circuit
Circuit interrupter in the inductance circuit
C315S278000, C315S309000
Reexamination Certificate
active
07019467
ABSTRACT:
A ballast for electrical lighting fixtures with improved thermal protection features has ballast laminations, primary and secondary coils, and a thermal protector, the thermal protector being wired in series with the secondary coil. The ballast preferably is of the type having multiple input voltage taps on the primary coil; in such cases, the electrical positioning of the thermal protector in series with the secondary coil causes the wiring assembly of the thermal protector (as part of the ballast) to be independent of the primary coil input voltage tap used in a particular application. Improved electrical lighting circuits for high-intensity-discharge lamps have the above-described thermally-protected ballasts.
REFERENCES:
patent: 3577209 (1971-05-01), Perkins
patent: 3699385 (1972-10-01), Paget
patent: 3955115 (1976-05-01), Manske
patent: 4112405 (1978-09-01), Joseph
patent: 4553071 (1985-11-01), Boyd
patent: 4645976 (1987-02-01), Luursema
patent: 4649320 (1987-03-01), Hough et al.
patent: 4678968 (1987-07-01), Lester
patent: 4810936 (1989-03-01), Nuckolls et al.
patent: 4924350 (1990-05-01), Reddy et al.
patent: 5063331 (1991-11-01), Nostwick
patent: 5402039 (1995-03-01), Wolfe
patent: 5463522 (1995-10-01), Van Wagener et al.
patent: 5497052 (1996-03-01), Buckley, II
patent: 5969510 (1999-10-01), Glasband
patent: 6114816 (2000-09-01), Nuckolls et al.
patent: 6501233 (2002-12-01), Odell et al.
Advance, “Electromagnetic Ballasts,” excerpts from 2001 catalog (2 pages).
LST, “Ballast Considerations,” excerpts from LST's web site, dated Jul. 30, 2002 (5 pages).
Advance, “Maximized Energy Savings for 277 Volt HID Applications,” date unknown (2 pages).
Advance, “Construction of a Ballast,” excerpts from Advance's web site, dated Jul. 30, 2002 (7 pages).
Advance, “Regulated Lag Pulse-Start Metal Halide Ballast,” excerpts from 2001 catalog (2 pages).
Guillien Wayne P.
Sokoly Theodore O.
Jansson, Shupe, Munger & Antaramian, Ltd.
Ruud Lighting, inc.
Vo Tuyet Thi
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