Large data transfer using visual codes with feedback confirmation
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United States of America Patent
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Jan 3, 2023
Grant Date -
N/A
app pub date -
Jul 8, 2021
filing date -
Mar 7, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A method of confirming receipt, including iteratively capturing by a receiving device visual codes in a series of visual codes displayed on a sending device. A corresponding captured visual code being from a display block that resulted from a partition of an original data file into display blocks, and wherein each display block is converted to a corresponding string and header including an ordered identifying display block number and a total count of the display blocks. Each corresponding string is converted to a corresponding visual code. Each of the captured visual codes is converted into a corresponding string and a header is read for the corresponding string. Captured display blocks are determined. A confirmation message is generated including information indicating which display blocks have been received. The confirmation message is sent over a wireless communication link to the sending device to reduce the number of visual codes being displayed.
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