Systems and methods for collecting information from vehicle devices via a vehicle data bus
First Claim
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1. A vehicle tracking unit for a vehicle of a type comprising a vehicle data bus extending throughout the vehicle and at least one operable vehicle device connected thereto, the at least one operable vehicle device responsive to at least one data bus code on the vehicle data bus, the vehicle tracking unit comprising:
- a vehicle position determining device;
a wireless communications device; and
a controller spaced apart from the at least one operable vehicle device and connected to the vehicle data bus so that the vehicle data bus extends from said controller to the at least one operable vehicle device;
wherein the controller is configured to;
query the at least one vehicle device via the vehicle data bus and store the information provided by the at least one vehicle device in a database, wherein;
the database comprises a plurality of data provided by the at least one operable vehicle device in response to data bus codes placed on the vehicle data bus by the controller independently of requests for information from a remote device; and
the controller is configured to place data bus codes on the vehicle data bus during time periods when the vehicle data bus is available;
receive requests for information from a remote device via the wireless communications device;
query the database for the requested information independently of the query of the at least one vehicle device, where the database returns the requested information based on the information provided by the at least one operable vehicle device that is stored in the database prior to receiving the request; and
send the requested information from the database to the remote device via the wireless communications device when the requested information is stored in the database.
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Abstract
Systems and methods in accordance with embodiments of the invention continuously collect information from vehicle devices via a vehicle data bus, store information in a database, and retrieve information from the database in response to requests from remote devices. One embodiment includes a vehicle position determining device, a wireless communications device, and a controller apart from at least one operable vehicle device, connected to the vehicle data bus so that the vehicle data bus extends from said controller to at least one operable vehicle device. Additionally, the controller is configured to query at least one vehicle device via the vehicle data bus and store information provided by at least one vehicle device in a database, receive requests for information from a remote device via the wireless communications device, query the database for the requested information, and send the requested information to the remote device via the wireless communications device.
32 Citations
20 Claims
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1. A vehicle tracking unit for a vehicle of a type comprising a vehicle data bus extending throughout the vehicle and at least one operable vehicle device connected thereto, the at least one operable vehicle device responsive to at least one data bus code on the vehicle data bus, the vehicle tracking unit comprising:
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a vehicle position determining device; a wireless communications device; and a controller spaced apart from the at least one operable vehicle device and connected to the vehicle data bus so that the vehicle data bus extends from said controller to the at least one operable vehicle device; wherein the controller is configured to; query the at least one vehicle device via the vehicle data bus and store the information provided by the at least one vehicle device in a database, wherein; the database comprises a plurality of data provided by the at least one operable vehicle device in response to data bus codes placed on the vehicle data bus by the controller independently of requests for information from a remote device; and the controller is configured to place data bus codes on the vehicle data bus during time periods when the vehicle data bus is available; receive requests for information from a remote device via the wireless communications device; query the database for the requested information independently of the query of the at least one vehicle device, where the database returns the requested information based on the information provided by the at least one operable vehicle device that is stored in the database prior to receiving the request; and send the requested information from the database to the remote device via the wireless communications device when the requested information is stored in the database. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A vehicle tracking device configured to communicate with at least one vehicle device via a vehicle data bus, comprising:
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a wireless communications device; and a controller configured to connect to the vehicle data bus; wherein the controller is configured to; query the at least one vehicle device via the vehicle data bus and store the information provided by the at least one vehicle device in a database; and receive requests for information from a remote device via the wireless communications device; query the database for the requested information independently of the query of the at least one vehicle device, where the database returns the requested information based on the information provided by the at least one operable vehicle device that is stored in the database prior to receiving the request; and send the requested information from the database to the remote device via the wireless communications device when the requested information is stored in the database.
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11. A method of obtaining data from at least one vehicle device connected to a vehicle data bus, comprising:
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querying the at least one vehicle device using a vehicle tracking device; adding information received from the at least one vehicle device in response to the query to a database maintained by the vehicle tracking device; receiving a request for information from a remote device via the vehicle tracking device; querying the database using the vehicle tracking device to obtain the requested information independently of the query of the at least one vehicle device, where the database returns the requested information based on the information provided by the at least one operable vehicle device that is stored in the database prior to receiving the request; and sending the requested information from the database to the remote device when the requested information is stored in the database using the vehicle tracking device. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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19. A machine readable medium containing controller instructions, where execution of the instructions by a controller causes the controller to perform a process comprising:
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querying the at least one vehicle device; adding information received from the at least one vehicle device in response to the query to a database; receiving a request for information from a remote device via a wireless communications device; querying the database to obtain the requested information independently of the query of the at least one vehicle device, where the database returns the requested information based on the information provided by the at least one operable vehicle device that is stored in the database prior to receiving the request; and sending the requested information from the database to the remote device when the requested information is stored in the database via a wireless communications device. - View Dependent Claims (20)
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Specification
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Current AssigneeCalAmp Corporation
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Original AssigneeCalAmp Corporation
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InventorsChen, Gallin, Ramachandran, Radhakrishnan
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Primary Examiner(s)Tarcza, Thomas
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Assistant Examiner(s)Dunn, Alex C
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Application NumberUS13/332,848Publication NumberTime in Patent Office972 DaysField of Search701/1US Class Current701/1CPC Class CodesG06Q 10/08 Logistics, e.g. warehousing...G08G 1/0112 from the vehicle, e.g. floa...
