A multiple step-up rectifier circuit has a transformer, diodes connected in series with each other, and first, second, third and fourth capacitors. An AC signal source is connected to a primary winding of the transformer. A neutral point of a secondary winding of the transformer is grounded. One terminal of a series circuit of the diodes is connected to the neutral point such that the diodes are biased in the same direction. The first capacitor is connected across the two terminals of a series circuit of the diodes. The second capacitor is connected to a first output terminal of the secondary winding of the transformer and the common connecting point of a first pair of diodes. The third capacitor is connected between a second output terminal of the second winding of the transformer and the common connecting point of a second pair of diodes. The fourth capacitor is connected between a third output terminal of the secondary winding of the transformer and the common connecting point of a third pair of diodes.

Claims

6 · 2 independent · depth 2

6 granted claims

›1.independentA multiple step-up rectifier circuit comprising: transformer means having a primary winding connected to an AC signal source of at least three phases,…+4

›2.↳ 1A circuit according to claim 1, wherein one terminal of said series circuit is connected to a neutral point of said secondary winding of said transfor…d2

›3.↳ 1A circuit according to claim 1, wherein said first capacitor means has a plurality of capacitors connected in series, said capacitors having connectin…d2

›4.↳ 1A circuit according to claim 1, wherein each of said first, second, third and fourth capacitor means has a plurality of capacitors, the capacitors of …d2

›5.↳ 1A circuit according to claim 1, wherein the two terminals of said series circuit constitute output terminals.d2

›6.independentmultiple · 3, 4A circuit according to claims 3 and 4, which further comprises a DC power supply connected between mutual connecting points of said first capacitor me…

Classifications

2 codes

USPC · US Patent Classification

363/60363/126

Claim changes

Soon

Coming soonHow the claims changed between publication and grant

See which claims were amended, added or cancelled during examination, with every added and removed word marked.

AmendedAddedCancelledUnchanged

The published claims of this patent are not paired with the granted ones in what we hold.

File wrapper

Pendency

2.2 y

796 days filing → grant

Office actions

on the grant's record

Examiner

Peter S. Wong

art unit —

Law firm

Law firm · Log in to unlock

Citations: 3 back · 0 forward

Term & fees

See the term timeline — pendency span, in-force span, the maintenance fees paid and both computed expiry dates.

Validity challenges

See the validity challenges on record — reexaminations, IPRs and PGRs, with their institution decisions and outcomes.

Citations

See every patent this one cites and every patent that cites it back — publication, assignee, and how each one was found.