A/D CONVERTER, SOLID-STATE IMAGE SENSOR AND IMAGING SYSTEM
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United States of America Patent
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N/A
Issued Date -
May 14, 2015
app pub date -
Oct 22, 2014
filing date -
Nov 14, 2013
priority date (Note) -
Published
status (Latency Note)
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Abstract
An A/D converter includes a comparator configured to compare an input voltage and a reference signal changing monotonically with respect to time and output a comparison result signal indicating a comparison result, a pulse signal generation circuit configured to generate a pulse signal in accordance with the comparison result signal, a counting unit configured to receive a first clock signal, and to count the first clock signal from a start of changing a level of the reference signal to when a level of the comparison result signal is changed, and a latch unit configured to latch the pulse signal at a timing which is defined by a plurality of clock signals including a second clock signal in phase with the first clock signal and a third clock signal having a different phase from that of the second clock signal.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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CANON KABUSHIKI KAISHA | OHTA-KU TOKYO 146-8501 |
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- [Patents Count]
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Sonoda, Kazuhiro | Kawasaki-shi, JP | 45 | 981 |
Takenaka, Shintaro | Yokohama-shi, JP | 46 | 589 |
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 14, 2026 |
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