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Patent Searching and Data


Title:
SYSTEM AND METHOD FOR COMMUNICATING USING AN IN-VEHICLE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2010/019580
Kind Code:
A3
Abstract:
A method to be used with first and second devices (12, 36) where the first device (12) communicates with the second device (36) via numbered data packets where the second device needs to know the number of each received packet upon reception, the method comprising the acts of at the first device (12), forming (108) a plurality of separate initial data packets, for each initial data packet, associating (214) a unique number with the initial data packet, combining the initial data packet with its associated unique number to form a numbered packet, calculating (215) a checksum for the numbered packet, combining (216) the checksum with the initial data packet to form a transmission packet that fails to include the associated unique number and transmitting (112) the transmission packet to the second device.

Inventors:
SIMMONS SEAN B (CA)
JANHUNEN STEFAN E (CA)
FURBECK DAVID S (US)
Application Number:
PCT/US2009/053415
Publication Date:
May 20, 2010
Filing Date:
August 11, 2009
Export Citation:
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Assignee:
RESEARCH IN MOTION LTD (CA)
SIMMONS SEAN B (CA)
JANHUNEN STEFAN E (CA)
FURBECK DAVID S (US)
International Classes:
H04L1/00
Foreign References:
US20070192668A12007-08-16
US6684363B12004-01-27
US20070242614A12007-10-18
US6931581B12005-08-16
Attorney, Agent or Firm:
JASKOLSKI, Michael, J. (411 E. Wisconsin AvenueMilwaukee, WI, US)
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