Vehicle Diagnostic Device
First Claim
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1. A vehicle data recorder, comprising:
- a first connector that communicates with a vehicle'"'"'s computer and relays data to and from a vehicle;
a processor that controls the vehicle data recorder functions;
a memory in communication with the processor to store recorded data;
a communication protocol controller in communication with the processor;
a second connector that communicates with a host workstation to transfer the recorded data from the vehicle data recorder to the host workstation;
a trigger button to initiate data recording by the vehicle data recorder, the trigger button communicates with the processor and is positioned at an end of a housing of the vehicle data recorder;
an option card in communication with the communication protocol controller and configured to enable the vehicle data recorder to support new communication protocols through additional connections; and
a power source connector for receiving an external power to power the vehicle data recorder and to the option card.
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Abstract
An apparatus and method is provided that allows a user to record events in a vehicle via a vehicle data recorder in the latest communication protocols, such as Controller Area Network. The vehicle data recorder can record data from the event when a trigger button is actuated by the user and the CAN communication can be controlled by the CAN controller. After the data is recorded, it can transferred to a host workstation, where the user can analyze the data from the event and diagnose the problem causing the event.
22 Citations
20 Claims
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1. A vehicle data recorder, comprising:
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a first connector that communicates with a vehicle'"'"'s computer and relays data to and from a vehicle; a processor that controls the vehicle data recorder functions; a memory in communication with the processor to store recorded data; a communication protocol controller in communication with the processor; a second connector that communicates with a host workstation to transfer the recorded data from the vehicle data recorder to the host workstation; a trigger button to initiate data recording by the vehicle data recorder, the trigger button communicates with the processor and is positioned at an end of a housing of the vehicle data recorder; an option card in communication with the communication protocol controller and configured to enable the vehicle data recorder to support new communication protocols through additional connections; and a power source connector for receiving an external power to power the vehicle data recorder and to the option card. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of communicating data from a vehicle, comprising:
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connecting a first connector of a vehicle data recorder to a vehicle'"'"'s computer; communicating with the vehicle via a vehicle communication protocol controller; automatically recording data from an event without the user actuating a trigger button; and receiving external power to the vehicle data recorder and to the option card via a power source connector. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A vehicle data recorder system, comprising:
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a first connecting means that communicates with a vehicle'"'"'s computer and relays data to and from a vehicle; a processing means that controls the vehicle data recorder functions; a memory means in communication with the processing means to store recorded data; a communication protocol controlling means in communication with the processing means; a second connector means that communicates with a host workstation to transfer the recorded data from the vehicle data recorder to the host workstation; a triggering means to initiate data recording by the vehicle data recorder, the triggering means communicates with the processing menas and is positioned at an end of a housing of the vehicle data recorder; an option card in communication with the communication protocol controlling means and configured to enable the vehicle data recorder to support new communication protocols through additional connections; and a power source connecting means for receiving an external power to power the vehicle data recorder and to the option card. - View Dependent Claims (17, 18, 19, 20)
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Specification