Method to detect camera blemishes
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
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Mar 25, 2025
Grant Date -
Oct 26, 2023
app pub date -
Apr 26, 2022
filing date -
Apr 26, 2022
priority date (Note) -
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Abstract
A method of detecting a blemish in a digital camera includes capturing a digital image of a white area by the digital camera; reducing resolution of the digital image by grouping pixels of the digital data into a matrix of a plurality of data blocks; and comparing a luminance value of each of the plurality of data blocks to an average luminance value of other data blocks of the plurality of data blocks within a predetermined region to determine if each of the plurality of data blocks is a potentially bad data block.
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 | |
---|---|---|
COMMUNICATIONS TEST DESIGN INC | 1373 ENTERPRISE DRIVE WEST CHESTER PA 19380 |
International Classification(s)

- 2022 Application Filing Year
- G06T Class
- 15799 Applications Filed
- 6457 Patents Issued To-Date
- 40.87 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Davis, Nidhin | Glen Mills, US | 24 | 25 |
# of filed Patents : 24 Total Citations : 25 | |||
Hopfer, Timothy | Downingtown, US | 4 | 2 |
# of filed Patents : 4 Total Citations : 2 | |||
Parsons, Mark | West Chester, US | 16 | 35 |
# of filed Patents : 16 Total Citations : 35 |
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- 0 Citation Count
- G06T Class
- 0 % this patent is cited more than
- < 1 Age
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Maintenance Fees
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3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Sep 25, 2028 |
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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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