Patent US4005314A successfully refreshed from Google Patents.
US4005314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Short pulse generator
Assignee: United States Department of the Army
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Filing: 1975-07-11
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Granted: 1977-01-25
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Expires: 1995-07-11
Abstract
Abstract A device for achieving a narrow high voltage output pulse having a rise t essentially limited only by the rise time of the switching means.
Inventors
- 👤 Mortimer H. Zinn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:55
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/53; H03K3/57
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
105 words
A device for obtaining a relatively high voltage output pulse adapted to be coupled to an electrical switching means and a source of charging voltage, said device comprising: a. a plurality of co-axially disposed electrically conductive tubular elements, a plurality of separate co-axially disposed insulating layers radially spacing and insulating said conductive elements, adjacent pairs of said conductive elements having respective said insulating layers disposed therebetween extending axially and forming a plurality of capacitors; b. first means for providing a current path for charging said capacitors in parallel; and c. second means for providing a current path for serially discharging said capacitors into a load.
Claim 2
Independent Claim
105 words
A device for obtaining a relatively high voltage output pulse adapted to be coupled to an electrical switching means and a source of charging voltage, said device comprising: a. a plurality of co-axially disposed electrically conductive tubular elements, a plurality of separate co-axially disposed insulating layers radially spacing and insulating said conductive elements, adjacent pairs of said conductive elements having respective said insulating layers disposed therebetween extending axially and forming a plurality of capacitors; b. first means for providing a current path for charging said capacitors in parallel; and c. second means for providing a current path for serially discharging said capacitors into a load.
Claim 3
Dependent Claim
44 words
The device according to claim 1 wherein said conductive elements and said insulating, layers are formed as a co-axial cable, the ends of said cable being progressively stepped to expose each of said conductive elements and terminal means disposed upon each said conductive element.
Claim 4
Dependent Claim
32 words
The device according to claim 2 wherein said first and second means providing said charging and discharging paths respectively, are formed by conductive means adapted to be connected to said terminal means.
Claim 5
Dependent Claim
17 words
The device according to claim 3 wherein said first means providing said charging path includes resistance elements.
Claim 6
Dependent Claim
17 words
The device according to claim 4 wherein said second means providing said discharge path includes breakdown means.
Claim 7
Dependent Claim
14 words
The device according to claim 5 wherein said breakdown means is a semiconductor device.
Claim 8
Dependent Claim
17 words
The device according to claim 3 wherein said first means providing said charging path includes inductor elements.
Claim 9
Dependent Claim
17 words
The device according to claim 7 wherein said second means providing said discharge path includes breakdown means.
Claim 10
Dependent Claim
14 words
The device according to claim 8 wherein said breakdown means is a semiconductor device.
Claim 11
Independent Claim
141 words
A device for obtaining a relatively narrow high voltage output pulse, comprising: a. switch means, said switch means being adapted to be electronically activated; b. a plurality of co-axial capacitors formed in a unitary cable including a plurality of radially spaced tubular electrodes and a plurality of insulating layers therebetween spacing said electrodes, pairs of adjacent electrodes forming said capacitors, the ends of said cable being progressively stepped and exposing said electrodes; c. load means; d. conductive means connected between electrodes of respective capacitors for providing a parallel charging path for said plurality of capacitors, said switch means being connected to said conductive means and said load means, activation of said switch means causing said plurality of capacitors to serially discharge in a path including said load means; and e. a plurality of breakdown means disposed in said serial discharge path.
Claim 12
Independent Claim
141 words
A device for obtaining a relatively narrow high voltage output pulse, comprising: a. switch means, said switch means being adapted to be electronically activated; b. a plurality of co-axial capacitors formed in a unitary cable including a plurality of radially spaced tubular electrodes and a plurality of insulating layers therebetween spacing said electrodes, pairs of adjacent electrodes forming said capacitors, the ends of said cable being progressively stepped and exposing said electrodes; c. load means; d. conductive means connected between electrodes of respective capacitors for providing a parallel charging path for said plurality of capacitors, said switch means being connected to said conductive means and said load means, activation of said switch means causing said plurality of capacitors to serially discharge in a path including said load means; and e. a plurality of breakdown means disposed in said serial discharge path.
Claim 13
Dependent Claim
15 words
The device according to claim 10 wherein said switch means is a beam bombarded semiconductor.
Claim 14
Dependent Claim
22 words
The device according to claim 10 wherein said conductive means providing said parallel charging path includes impedance means connecting said capacitor electrodes.
Claim 15
Dependent Claim
15 words
The device according to claim 12 wherein said impedance means includes a plurality of resistors.
Claim 16
Dependent Claim
16 words
The device according to claim 10 wherein said breakdown means is a plurality of semiconductor diodes.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-01-25 | 1980-07-26 | 1981-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-01-25 | 1984-07-26 | 1985-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-01-25 | 1988-07-26 | 1989-01-25 | $7700.00 | Window Closed / Lapsed |