US5034875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage multiplier circuit
Assignee: NEC Corp
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Filing: 1990-01-10
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Granted: 1991-07-23
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Expires: 2010-01-10
Abstract
Abstract A voltage multiplier circuit of the present invention includes a first power supply line, an oscillator circuit connected to the first power supply line, a serial circuit composed of an inverter for receiving the output of the oscillator circuit, the first capacitor for receiving the output of the inverter and the first and the second diodes, an output circuit and a second capacitor both connected to the output of the serial circuit, a third capacitor connected between the input terminal of the inverter, and the connection point of the first and the second diodes, a first Zener diode connected between the connection point of the first capacitor and the first diode, and the second power supply, a second Zener diode connected between the second power supply line, and the connection point of the first and the second diode, a third Zener diode connected between the first and the second power supply lines, and a fourth Zener diode connected between the second power supply line and the third power supply line connected to the output circuit.
Inventors
- 👤 Masayuki Hattori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:17
CPC Classifications
H; H02; H02M; H02M3/00; H02M3/02; H02M3/04; H02M3/06; H02M3/07
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
175 words
A voltage multiplier circuit comprising: a first power supply line; a second power supply line; a third power supply line; a fourth power supply line connected between said second power supply line and said third power supply line; an oscillator circuit connected between said first power supply line and said second power supply line; an output circuit connected between said first power supply line and said third power supply line; a first capacitor having one of its two electrodes connected to the output terminal of said oscillator circuit; a Zener diode connected between the remaining electrode of said first capacitor and said fourth power supply line; a diode having one of its two electrodes connected to the connection point of said remaining electrode of said first capacitor and said Zener diode and having the remaining electrode connected to the input terminal of said output circuit; and a second capacitor connected between the connection point of said remaining electrode of said diode and said input terminal of said output circuit and said first power supply line.
Claim 2
Dependent Claim
175 words
A voltage multiplier circuit comprising: a first power supply line; a second power supply line; a third power supply line; a fourth power supply line connected between said second power supply line and said third power supply line; an oscillator circuit connected between said first power supply line and said second power supply line; an output circuit connected between said first power supply line and said third power supply line; a first capacitor having one of its two electrodes connected to the output terminal of said oscillator circuit; a Zener diode connected between the remaining electrode of said first capacitor and said fourth power supply line; a diode having one of its two electrodes connected to the connection point of said remaining electrode of said first capacitor and said Zener diode and having the remaining electrode connected to the input terminal of said output circuit; and a second capacitor connected between the connection point of said remaining electrode of said diode and said input terminal of said output circuit and said first power supply line.
Claim 3
Dependent Claim
103 words
A voltage multiplier circuit as claimed in claim 1, further comprising: an inverter connected between said output terminal of said oscillator circuit and said one electrode of said first capacitor; an additional diode connected between said remaining electrode of said first capacitor and said one electrode of said diode; a first additional Zener diode connected between the connection point of said diode and said additional diode, and said fourth power supply line; and a third capacitor connected between the connection point of said output terminal of said oscillator circuit and said inverter and the connection point of said diode and said additional diode.
Claim 4
Dependent Claim
48 words
A voltage multiplier circuit as claimed in claim 2, further comprising: a second additional Zener diode connected between said second power supply line and said fourth power supply line; and a third additional Zener diode connected between said third power supply line and said fourth power supply line.
Claim 5
Dependent Claim
42 words
A voltage multiplier circuit as claimed in claim 3, further comprising: a first resistor connected between said Zener diode and said fourth power supply line; and a second resistor connected between said first additional Zener diode and said fourth power supply line.
Claim 6
Dependent Claim
42 words
A voltage multiplier circuit as claimed in claim 2, further comprising: a first resistor connected between said Zener diode and said fourth power supply line; and a second resistor connected between said first additional Zener diode and said fourth power supply line.
Claim 7
Dependent Claim
48 words
A voltage multiplier circuit as claimed in claim 1, further comprising: a second additional Zener diode connected between said second power supply line and said fourth power supply line; and a third additional Zener diode connected between said third power supply line and said fourth power supply line.
Claim 8
Dependent Claim
24 words
A voltage multiplier circuit as claimed in claim 6, further comprising a resistor connected between said Zener diode and said fourth power supply line.
Claim 9
Dependent Claim
24 words
A voltage multiplier circuit as claimed in claim 1, further comprising a resistor connected between said Zener diode and said fourth power supply line.
Claim 10
Dependent Claim
236 words
A voltage multiplier circuit comprising: a first power supply line; a second power supply line; a third power supply line; a fourth power supply line connected between said second power supply line and said third power supply line; an oscillator circuit connected between said first power supply line and said second power supply line; an output circuit connected between said third power supply line and said first power supply line; an inverter connected to the output terminal of said oscillator circuit; a first capacitor having one of its two electrodes connected to the output terminal of said inverter; a first diode having one of its two electrodes connected to the remaining electrode of said first capacitor; a second diode connected between the remaining electrode of said first diode and the input terminal of said output circuit; a second capacitor connected between the connection point of said second diode and said input terminal of said output circuit, and said first power supply line; a third capacitor connected between the connection point of said oscillator circuit and said inverter, and the connection point of said first diode and said second diode; a first Zener diode connected between the connection point of said first capacitor and said first diode, and said fourth power supply line; and a second Zener diode connected between the connection point of said first diode and said second diode, and said fourth power supply line.
Claim 11
Dependent Claim
236 words
A voltage multiplier circuit comprising: a first power supply line; a second power supply line; a third power supply line; a fourth power supply line connected between said second power supply line and said third power supply line; an oscillator circuit connected between said first power supply line and said second power supply line; an output circuit connected between said third power supply line and said first power supply line; an inverter connected to the output terminal of said oscillator circuit; a first capacitor having one of its two electrodes connected to the output terminal of said inverter; a first diode having one of its two electrodes connected to the remaining electrode of said first capacitor; a second diode connected between the remaining electrode of said first diode and the input terminal of said output circuit; a second capacitor connected between the connection point of said second diode and said input terminal of said output circuit, and said first power supply line; a third capacitor connected between the connection point of said oscillator circuit and said inverter, and the connection point of said first diode and said second diode; a first Zener diode connected between the connection point of said first capacitor and said first diode, and said fourth power supply line; and a second Zener diode connected between the connection point of said first diode and said second diode, and said fourth power supply line.
Claim 12
Dependent Claim
46 words
A voltage multiplier circuit as claimed in claim 9, further comprising: a third Zener diode connected between said second power supply line and said fourth power supply line; and a fourth Zener diode connected between said third power supply line and said fourth power supply line.
Claim 13
Dependent Claim
42 words
A voltage multiplier circuit as claimed in claim 10, further comprising: a first resistor connected between said first Zener diode and said fourth power supply line; and a second resistor connected between said second Zener diode and said fourth power supply line.
Claim 14
Dependent Claim
42 words
A voltage multiplier circuit as claimed in claim 9, further comprising: a first resistor connected between said first Zener diode and said fourth power supply line; and a second resistor connected between said second Zener diode and said fourth power supply line.
Claim 15
Dependent Claim
271 words
A voltage multiplier circuit comprising: a first power supply line; a second power supply line; a third power supply line; a fourth power supply line connected between said second power supply line and said third power supply line; an oscillator circuit connected between said first power supply line and said second power supply line; an output circuit connected between said third power supply line and said first power supply line; an inverter connected to the output terminal of said oscillator circuit; a first capacitor having one of its two electrodes connected to the output terminal of said oscillator circuit; a first diode having one of its two electrodes connected to the remaining electrode of said first capacitor; a second diode connected between the remaining electrode of said first diode and the input terminal of said output circuit; a second capacitor connected between the connection point of said second diode and said input terminal of said output circuit, and said first power supply line; a third capacitor connected between the connection point of said oscillator circuit and said inverter, and the connection point of said first diode and said second diode; a first Zener diode connected between the connection point of said first capacitor and said first diode, and said fourth power supply line; a second Zener diode connected between the connection point of said first diode and said second diode, and said fourth power supply line; a third Zener diode connected between said second power supply line and said fourth power supply line; and a fourth Zener diode connected between said third power supply line and said fourth power supply line.
Claim 16
Dependent Claim
271 words
A voltage multiplier circuit comprising: a first power supply line; a second power supply line; a third power supply line; a fourth power supply line connected between said second power supply line and said third power supply line; an oscillator circuit connected between said first power supply line and said second power supply line; an output circuit connected between said third power supply line and said first power supply line; an inverter connected to the output terminal of said oscillator circuit; a first capacitor having one of its two electrodes connected to the output terminal of said oscillator circuit; a first diode having one of its two electrodes connected to the remaining electrode of said first capacitor; a second diode connected between the remaining electrode of said first diode and the input terminal of said output circuit; a second capacitor connected between the connection point of said second diode and said input terminal of said output circuit, and said first power supply line; a third capacitor connected between the connection point of said oscillator circuit and said inverter, and the connection point of said first diode and said second diode; a first Zener diode connected between the connection point of said first capacitor and said first diode, and said fourth power supply line; a second Zener diode connected between the connection point of said first diode and said second diode, and said fourth power supply line; a third Zener diode connected between said second power supply line and said fourth power supply line; and a fourth Zener diode connected between said third power supply line and said fourth power supply line.
Claim 17
Dependent Claim
42 words
A voltage multiplier circuit as claimed in claim 13, further comprising: a first resistor connected between said first Zener diode and said fourth power supply line; and a second resistor connected between said second Zener diode and said fourth power supply line.
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) | 1994-07-22 | 1995-01-21 | 1995-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-07-22 | 1999-01-21 | 1999-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-07-22 | 2003-01-21 | 2003-07-23 | $7700.00 | Window Closed / Lapsed |