Electric lamp and discharge devices: systems – Electric switch in the supply circuit
Patent
1999-09-23
2000-08-22
Vu, David
Electric lamp and discharge devices: systems
Electric switch in the supply circuit
315313, H05B 3702
Patent
active
061077585
ABSTRACT:
A circuit is described with which an operation circuit for a discharge lamp can be switched between operation states with different lamp currents by hort interruptions of the power supply. Long interruptions than a certain time threshold result in basic state operation.
REFERENCES:
patent: 4879495 (1989-11-01), Yamamoto
patent: 4896079 (1990-01-01), Tabor
patent: 5610448 (1997-03-01), Dattilo
patent: 5729097 (1998-03-01), Holzer
patent: 5798620 (1998-08-01), Wacyk et al.
Cantone Giuseppe
Fischer Klaus
Gariboldi Roberto
Bessone Carlo S.
Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen MBH
STMicroelectronics S.r.l.
Vu David
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