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Systems and methods for performing protocol conversions in a machine
   
Document Number
US Patent 7532640
Issued Date
May 12, 2009
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Abstract
Methods and systems are provided for performing protocol conversions in an environment including a work machine having one or more modules coupled to one or more data links. Such methods and systems may leverage one or more gateways to perform tunneling, translating, and bridging operations. Tunneling processes may include receiving a message from a source module in a first protocol, encapsulating the message within transmission units of a second protocol, and transmitting the encapsulated message via the second protocol. Translating processes may include receiving, by the gateway, a message in a first data link protocol including a parameter identifier. The gateway may match the parameter identifier with a parameter identifier included in a translation table and scale associated parameter data using a scale factor corresponding to a second data link protocol. The gateway may then provide the scaled parameter data to a module using the second data link protocol.
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Number of Claims:
9
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Owner
Caterpillar Inc. (Peoria, IL)
Published
May 12, 2009
Application Number
10/646,716
Filed
August 25, 2003
US Classification
370/466   370/352 370/401
Int'l Classification
H04J   3/16   (20060101)   H04J   3/22   (20060101)  
Examiner
Assistant Examiner
Parent Case
CROSS REFERENCE TO RELATED APPLICATIONS This application claims the benefit of U.S. Provisional Application Ser. No. 60/483,915 entitled "Systems and Methods for Interfacing Off-Board and On-Board Networks in a Work Machine," filed Jul. 2, 2003, owned by the assignee of this application and expressly incorporated herein by reference in its entirety. This application is related to U.S. application Ser. No. 10/646,684, entitled "SYSTEMS AND METHODS FOR PROVIDING SERVER OPERATIONS IN A WORK MACHINE," filed Aug. 25, 2003, U.S. application Ser. No. 10/646,714, entitled "SYSTEMS AND METHODS FOR PROVIDING SECURITY OPERATIONS IN A WORK MACHINE," filed Aug. 25, 2003, U.S. application Ser. No. 10/646,809, entitled "SYSTEMS AND METHODS FOR PROVIDING NETWORK COMMUNICATIONS BETWEEN WORK MACHINES," filed Aug. 25, 2003, and U.S. application Ser. No. 10/646,685, entitled "METHODS AND SYSTEMS FOR PROVIDING PROXY CONTROL FUNCTIONS IN A WORK MACHINE," filed Aug. 25, 2003, each owned by the assignee of this application and expressly incorporated herein by reference in its entirety.
USPTO Field of Search
370/395.53   370/389   370/395.51   370/395.5   370/395.52   370/395.54   370/465   370/466   370/467   370/352   370/353   370/40   370/401   370/313   709/230   710/306   710/315  
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