US4833431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Triple-resonance pulse transformer circuit
Assignee: McDonnell Douglas Corp
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Filing: 1988-02-18
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Granted: 1989-05-23
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Expires: 2008-02-18
Abstract
Abstract A triple resonance circuit is provided for improving the efficiency of high voltage pulses for pulse transformer applications. This circuit provides high transfer of energy when the normal mode frequencies of the coupled circuit are in the ratios of certain whole numbers.
Inventors
- 👤 Francis M. Bieniosek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:03
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/53; H03K3/78
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
101 words
A resonant circuit for a high voltage transformer, comprising: (a) a first capacitance connected across the input of a high voltage transformer; (b) a second capacitance connected across the output of the high voltage transformer; (c) an external inductance connected in a branch parallel with the second capacitance having a value such that the ratio of the internal secondary inductance of the high voltage transformer to the external inductance is substantially 5/6; and (d) a third capacitance serially connected to the external inductance having a value such that the ratio of the second capacitance to the third capacitance is substantially 32/15.
Claim 2
Dependent Claim
101 words
A resonant circuit for a high voltage transformer, comprising: (a) a first capacitance connected across the input of a high voltage transformer; (b) a second capacitance connected across the output of the high voltage transformer; (c) an external inductance connected in a branch parallel with the second capacitance having a value such that the ratio of the internal secondary inductance of the high voltage transformer to the external inductance is substantially 5/6; and (d) a third capacitance serially connected to the external inductance having a value such that the ratio of the second capacitance to the third capacitance is substantially 32/15.
Claim 3
Dependent Claim
22 words
A resonant circuit for a high voltage transformer as recited in claim 1 wherein the transformer primary inductance is substantially 0.93 uH.
Claim 4
Dependent Claim
22 words
A resonant circuit for a high voltage transformer as recited in claim 2 wherein the transformer secondary inductance is substantially 675 uH.
Claim 5
Dependent Claim
21 words
A resonant circuit for a high voltage transformer as recited in claim 3 wherein the external inductance is substantially 810 uH.
Claim 6
Dependent Claim
21 words
A resonant circuit for a high voltage transformer as recited in claim 4 wherein the mutual inductance is substantially 16.9 uH.
Claim 7
Dependent Claim
21 words
A resonant circuit for a high voltage transformer as recited in claim 5 wherein the first capacitance is substantially 0.2 uf.
Claim 8
Dependent Claim
21 words
A resonant circuit for a high voltage transformer as recited in claim 6 wherein the second capacitance is substantially 267 pf.
Claim 9
Dependent Claim
21 words
A resonant circuit for a high voltage transformer as recited in claim 7 wherein the third capacitance is substantially 125 pf.
References Cited (Backward Citations)
US2448364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-05-22 | 1992-11-21 | 1993-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-05-22 | 1996-11-21 | 1997-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-05-22 | 2000-11-21 | 2001-05-23 | $7700.00 | Window Closed / Lapsed |