H - Electricity – 04 – W
Patent
H - Electricity
04
W
H04W 4/12 (2009.01)
Patent
CA 2730999
A communications system includes a mobile wireless communications device and an e-mail server configured to store pushed e-mail data and metadata associated therewith already pushed to the mobile wireless communications device. An aggregation server is configured to download a first set of metadata of pushed e-mail data at a first time, and generate and store a first set of hash values corresponding to the first set of metadata. The aggregation server is also configured to download a second set of metadata of pushed e-mail data at a second time after the first time, and generate and store a second set of hash values corresponding to the second set of metadata. The aggregation server is further configured to determine an updated set of metadata based upon a comparison of the first and second sets of hash values, and push the updated metadata to the mobile wireless communications device.
Antony Sahaya Sudha
Baumann Jennifer L.
Evers Robert A.
Fogel Christopher M.
Wilson Ian F.
Research In Motion Limited
Ridout & Maybee Llp
LandOfFree
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