Time delay lamp ballast circuit

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Delayed application of the discharge potential

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

315DIG5, 315 97, 315100, 315289, H05B 3904, H05B 4136

Patent

active

044255306

ABSTRACT:
A multiple fluorescent lamp ballast circuit of the rapid start type in which heating current is supplied to the lamp cathodes. A time delay switch is connected in series with a starting capacitor across one or more of the lamps, to delay lamp starting until the cathodes are sufficiently heated.

REFERENCES:
patent: 2497542 (1950-02-01), Frech
patent: 2722628 (1955-11-01), Cates et al.
patent: 2945986 (1960-07-01), Brooks et al.
patent: 2965799 (1960-12-01), Brooks et al.
patent: 3097325 (1963-07-01), Cosnuau
patent: 3599051 (1971-08-01), Lee
patent: 3866087 (1975-02-01), Powell et al.
patent: 3872350 (1975-03-01), Powell et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Time delay lamp ballast circuit does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Time delay lamp ballast circuit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Time delay lamp ballast circuit will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-454799

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.