US Patent No: 7,688,052
Number of patents in Portfolio can not be more than 2000
Charge pump circuit and method therefor
Stats
-
Mar 30, 2010
Issued date -
Dec 5, 2006
filing date -
11/566,965
serial no -
In Force
status
Importance
Loading Importance Indicators...
Abstract
In one embodiment, a charge pump circuit is used to keep a boost capacitor of a power supply system charged while the switch transistors are not switching such as when the power supply system is operating in a burst mode of operation.
Loading the Abstract Image...
First Claim
Related Publications
Loading Related Publications...
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
|
|
|||
| 6,636,103 Amplifier system with on-demand power supply boost | 23 | 2001 | |
|
|
|||
| 6,097,075 Semiconductor structure for driver circuits with level shifting | 4 | 1999 | |
|
|
|||
| 6,836,173 High-side transistor driver for power converters | 22 | 2003 | |
|
|
|||
| 6,812,782 Switch mode converter that allows 100% duty cycle on gate driver | 12 | 2002 | |
|
|
|||
| 6,304,467 Progressive start-up circuit for activating a charge pump | 17 | 2001 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Sep 30, 2013 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Sep 30, 2017 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 30, 2021 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |