Analog-digital converter and control method
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United States of America Patent
Stats
-
Feb 21, 2017
Grant Date -
Dec 22, 2016
app pub date -
Dec 21, 2015
filing date -
Jun 17, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In an example embodiment, an analog-digital converter includes digital-analog converter, a comparator, and a register. The digital-analog converter is configured to output a differential voltage between a reference voltage and a voltage of an analog signal. The comparator is configured to output a comparison signal corresponding to the differential voltage output by the digital-analog converter. The register is configured to cause the digital-analog converter to generate N pairs of differential voltages (N≧1), to cause the digital-analog converter to generate an (N+1)th pair of differential voltages by causing one of a positive side and a negative side of the digital-analog converter to output an (N+1)th differential voltage and causing the other of the positive side and the negative side to output a differential voltage equal to the Nth differential voltage as an (N+1)th differential voltage, and to output a digital signal corresponding to a comparison signal having a smallest voltage among (N+1) comparison signals.
First Claim
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International Classification(s)
- 2015 Application Filing Year
- H03M Class
- 1731 Applications Filed
- 1578 Patents Issued To-Date
- 91.17 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 3 Citation Count
- H03M Class
- 14.08 % this patent is cited more than
- 8 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 21, 2028 |
