System including feedback circuit with digital chopping circuit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jun 19, 2012
Grant Date -
Sep 8, 2011
app pub date -
Mar 4, 2010
filing date -
Mar 4, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system including a first circuit, a second circuit, and a feedback circuit. The first circuit is configured to provide input signals. The second circuit is configured to receive the input signals and provide digital output signals that correspond to the input signals. The feedback circuit includes a chopping circuit, an integrator circuit, and a digital to analog converter circuit. The chopping circuit is configured to receive the digital output signals and provide error signals that represent ripple error in the digital output signals. The integrator circuit is configured to accumulate the error signals and provide an accumulated error signal. The digital to analog converter circuit is configured to convert the accumulated error signal into an analog signal that is received by the second circuit to reduce the ripple error.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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INFINEON TECHNOLOGIES AG | GERMAN BERG LAURA IBIZA |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Ausserlechner, Udo | Villach, AT | 290 | 3700 |
# of filed Patents : 290 Total Citations : 3700 | |||
Motz, Mario | Wernberg, AT | 163 | 1983 |
# of filed Patents : 163 Total Citations : 1983 |
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Patent Citation Ranking
- 12 Citation Count
- H03M Class
- 49.41 % this patent is cited more than
- 13 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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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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