Pixel sensor
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United States of America Patent
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Jul 20, 2010
Grant Date -
Jun 25, 2009
app pub date -
Mar 3, 2009
filing date -
Feb 17, 2003
priority date (Note) -
Expired
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Abstract
A photodetecting circuit is disclosed. The photodetecting circuit includes a photodetector for generating a signal in response to incident light, a storage node having first and second node terminals, a transfer transistor, disposed intermediate the first node terminal of the storage node and the photodetector, for electrically connecting the first node terminal and the photodetector upon receiving a transfer signal to a gate of the transfer transistor, allowing charge stored in the storage node to change based on the signal of the photodetector, a reset transistor, disposed intermediate a reset voltage node and the first node terminal of the storage node, for electrically connecting the first node terminal to the reset voltage node upon receiving a reset signal to a gate of the reset transistor, and an output circuit for generating an output signal during a read period of the photodetecting circuit, the output signal being at least partially based on a voltage at the first terminal. The photodetecting circuit is configured to receive the reset signal, receive the transfer signal, and receive a compensation signal at the second terminal of the storage node at least during the read period, the compensation signal increasing the voltage at the first terminal whilst the output circuit generates the output signal, the compensation signal being a logically negated version of the transfer signal.
First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- SILVERBROOK RESEARCH PTY LTD
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Henderson, Peter Charles Boyd | Balmain, AU | 16 | 780 |
Lapstun, Paul | Balmain, AU | 1600 | 28381 |
Moini, Alireza | Balmain, AU | 155 | 1039 |
Ridley, Nicholas Damon | Balmain, AU | 15 | 779 |
Silverbrook, Kia | Balmain, AU | 5829 | 89799 |
Underwood, Matthew John | Balmain, AU | 27 | 988 |
Yourlo, Zhenya Alexander | Balmain, AU | 28 | 1095 |
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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 |
---|---|---|---|
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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