Electric lamp and discharge devices: systems – Time-controlled
Reexamination Certificate
2007-01-02
2007-01-02
Tran, Thuy Vinh (Department: 2821)
Electric lamp and discharge devices: systems
Time-controlled
C332S112000, C332S183000
Reexamination Certificate
active
11041313
ABSTRACT:
The operating method is based on the simultaneous use of FM and AM and is distinguished by passing through a number of steps which are used to find an optimum frequency for the AM and, in addition, to define an optimum AM level. An electronic ballast which has a memory module which can be overwritten is used for implementation.
REFERENCES:
patent: 6184633 (2001-02-01), Kramer
patent: 6400100 (2002-06-01), Kramer
patent: 6437517 (2002-08-01), Kramer
patent: 6653799 (2003-11-01), Cammack
patent: 6922114 (2005-07-01), Kastle et al.
Bessone Carlo S.
Patent-Treuhand-Gesellschaft für Elektrische Glühlampe
Tran Thuy Vinh
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