Amplifying solid-state imaging device, method for driving the same and physical quantity distribution sensing semiconductor device
The output voltage of a pixel is held as a reference signal output voltage in a reference signal holding capacitor connected to a positive input terminal of a second subtractor by lowering the potential of a reset voltage to that of a calibration voltage and by activating a reset pulse and a referen...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
28.09.2004
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Abstract | The output voltage of a pixel is held as a reference signal output voltage in a reference signal holding capacitor connected to a positive input terminal of a second subtractor by lowering the potential of a reset voltage to that of a calibration voltage and by activating a reset pulse and a reference-signal-calibrating pulse. Then, the reference signal output voltage is output from the second subtractor. And a corrected reference signal output voltage, obtained by subtracting the reference signal output voltage from a no signal output voltage, is held in a corrected reference signal holding capacitor. Moreover, a divider divides a corrected original signal output voltage, which is held in a corrected original signal holding capacitor, by the corrected reference signal output voltage, which is held in the corrected reference signal holding capacitor. |
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AbstractList | The output voltage of a pixel is held as a reference signal output voltage in a reference signal holding capacitor connected to a positive input terminal of a second subtractor by lowering the potential of a reset voltage to that of a calibration voltage and by activating a reset pulse and a reference-signal-calibrating pulse. Then, the reference signal output voltage is output from the second subtractor. And a corrected reference signal output voltage, obtained by subtracting the reference signal output voltage from a no signal output voltage, is held in a corrected reference signal holding capacitor. Moreover, a divider divides a corrected original signal output voltage, which is held in a corrected original signal holding capacitor, by the corrected reference signal output voltage, which is held in the corrected reference signal holding capacitor. |
Author | MASUYAMA MASAYUKI KURODA TAKAO |
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Notes | Application Number: US19980122589 |
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RelatedCompanies | MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD |
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Snippet | The output voltage of a pixel is held as a reference signal output voltage in a reference signal holding capacitor connected to a positive input terminal of a... |
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SubjectTerms | ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PICTORIAL COMMUNICATION, e.g. TELEVISION |
Title | Amplifying solid-state imaging device, method for driving the same and physical quantity distribution sensing semiconductor device |
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