High voltage generation circuit
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United States of America Patent
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Aug 31, 2004
Grant Date -
Mar 21, 2002
app pub date -
Jun 29, 2001
filing date -
Jun 30, 2000
priority date (Note) -
Expired
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Abstract
The present invention is a high-voltage generation circuit configured to sequentially activate a plurality of high-voltage pump circuits to precisely pump a level of high voltage. In one embodiment, the high-voltage generation circuit includes a high-voltage level detection unit for outputting a high-voltage detected signal, a high-voltage pump control unit for generating a control signal responsive to a detected signal, an oscillator for generating a pulse signal for driving a plurality of high-voltage pumps, a sequential delay unit for sequentially delaying the pulse signal from the oscillator, and a plurality of high-voltage pumps for pumping the high voltage based on a delayed pulse signal and the control signal.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- HYUNDAI ELECTRONICS INDUSTRIES CO., LTD.
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Cho, Kwang-Rae | Ichon-shi, KR | 5 | 45 |
Kim, Joon-Ho | Ichon-shi, KR | 114 | 1019 |
Lee, Byung-Jae | Ichon-shi, KR | 9 | 51 |
Lee, Sang-Kwon | Ichon-shi, KR | 47 | 673 |
Nam, Young-Jun | Ichon-shi, KR | 1 | 9 |
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Fee | Large entity fee | small entity fee | micro entity fee |
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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 |
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