Method for pre-fetching data chunks of an email attachment on a portable electronic device
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United States of America Patent
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Jul 29, 2014
Grant Date -
Jun 28, 2012
app pub date -
Feb 21, 2012
filing date -
Aug 8, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for downloading an attachment to a portable electronic device's attachment viewer includes: sending an initial request from the attachment viewer to a server in response to receiving an email including the attachment by the device; from the server, accessing a graph structure representing a map of the attachment previously built on the server; reconstructing the graph structure in response to the request and encapsulating the graph structure in data having an attachment viewer readable format; (i) downloading successive chunks of the data from the server to the attachment viewer responsive to successive requests; (ii) storing each of the successive chunks on the device prior to display thereof; (iii) displaying the successive chunks on the device and automatically downloading respective next chunks of the data from the server; and (iv) while chunks remain to be downloaded from the server performing (i) to (iii).
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