H - Electricity – 04 – W
Patent
H - Electricity
04
W
H04W 4/18 (2009.01) H04W 4/12 (2009.01) H04L 12/58 (2006.01)
Patent
CA 2722313
A method for downloading an attachment to an attachment viewer of a portable electronic device includes: sending an initial data request from said attachment viewer to a server in response to receipt of an email message including said attachment by said portable electronic device; accessing a graph structure representing a map of said attachment from said server, said graph structure having been previously built on said server; reconstructing said graph structure in response to said initial request and encapsulating said graph structure in data having an attachment viewer readable format, said data being stored on said server; and i) downloading successive chunks of said data from said server to said attachment viewer responsive to successive user requests, ii) storing each of said successive chunks of said data on said portable electronic device prior to display thereof; iii) displaying said successive chunks of said data on said portable electronic device and automatically downloading respective next chunks of said data from said server; and iv) while said data chunks of said data remain to be downloaded from said server performing steps i) to iii).
Arora Rakesh Kumar
Dumitru Dan Mihai
Arizan Corporation
Perry + Currier
Research In Motion Limited
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