Circuit arrangement for generating an AC voltage from a DC...

Details Circuit arrangement for generating an AC voltage from a DC... Circuit arrangement for generating an AC voltage from a DC...

2006-04-18

2006-04-18

Lee, Wilson (Department: 2821)

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Silicon controlled rectifier ignition

C315S276000

Reexamination Certificate

active

07030566

ABSTRACT:
The invention relates to a self-oscillating inverter circuit, preferably having bipolar transistors in a half-bridge circuit, having a transformer as the feedback means. In contrast to the prior art, the secondary windings of the transformer are not connected in parallel with the base-emitter path but in series with the collector-emitter path. As a result, no saturation transformers are required for feedback.

REFERENCES:
patent: 3922582 (1975-11-01), Pitel
patent: 4899090 (1990-02-01), Yoshiike et al.
patent: 4959591 (1990-09-01), Hirschmann
patent: 5563777 (1996-10-01), Miki et al.
patent: 5677601 (1997-10-01), Zuchtriegel
patent: 5898278 (1999-04-01), Muessli
patent: 6259213 (2001-07-01), Rudolph
patent: 6577077 (2003-06-01), Hu et al.

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