Control mechanism for regulating the temperature and output of a

Details Control mechanism for regulating the temperature and output of a Control mechanism for regulating the temperature and output of a

1997-11-07

1998-09-15

Pascal, Robert J.

Electric lamp and discharge devices: systems

With load device temperature modifier

Electric heater for the load device

315117, 315118, 313 44, H01J 724

Patent

active

058084185

ABSTRACT:
Disclosed is a control mechanism for regulating the temperature of a fluorescent lamp tube located within a housing. The control mechanism includes a cold spot mechanism defining the cold spot of the lamp tube, a heating mechanism, a power supply and a temperature sensor. The heating mechanism is connected to the power supply and is contiguous with a portion of the cold spot mechanism located outside of the housing. The temperature sensor is also coupled to the power supply and monitors the temperature of the cold spot mechanism. Based upon the temperature of the cold spot mechanism, the temperature sensor operates the power supply, so as to deliver power to the heating mechanism to warm the cold spot mechanism and maintain a cold spot temperature that allows the lamp tube to generate maximum visible light output.

REFERENCES:
patent: 4005332 (1977-01-01), Gallo et al.
patent: 4070570 (1978-01-01), Wetmore et al.
patent: 4518895 (1985-05-01), Lehman
patent: 4529912 (1985-07-01), Northrup et al.
patent: 4533853 (1985-08-01), Hammond et al.
patent: 4533854 (1985-08-01), Northrup
patent: 4694215 (1987-09-01), Hofman
patent: 5274305 (1993-12-01), Bouchard
patent: 5581157 (1996-12-01), Vrionis
patent: 5646702 (1997-07-01), Akinwande et al.

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