VEHICLE DIAGNOSTIC DEVICE AND DATA TRANSMISSION DEVICE
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Accused Products
Abstract
A vehicle diagnostic device is described for determining the condition of at least one component of a motor vehicle includes an interface device, which may be coupleable to a diagnostic interface of the motor vehicle, a first data transmission device, which is coupled to the interface device, a second data transmission device, which is coupled to the interface device, the first and second data transmission devices being identical circuits, and a data processing device, which is coupled to the first and second data transmission devices, the data processing device being configured to carry out a plurality of diagnostic protocols and additionally being configured to carry out different diagnostic protocols via the first and second data transmission devices.
26 Citations
25 Claims
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1-12. -12. (canceled)
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13. A vehicle diagnostic device for determining a condition of at least one component of a motor vehicle, comprising:
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an interface device that is coupleable to a diagnostic interface of the motor vehicle, a first data transmission device that is coupled to the interface device, a second data transmission device that is coupled to the interface device, the first and second data transmission devices being identical circuits, and a data processing device coupled to the first and second data transmission devices, wherein the data processing device is configured to carry out a plurality of diagnostic protocols and additionally configured to carry out different diagnostic protocols via the first and second data transmission devices. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21)
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22. A method for operating a vehicle diagnostic device that includes an interface device that is coupleable to a diagnostic interface of the motor vehicle, a first data transmission device that is coupled to the interface device, a second data transmission device that is coupled to the interface device, the first and second data transmission devices being identical circuits, and a data processing device coupled to the first and second data transmission devices, wherein the data processing device is configured to carry out a plurality of diagnostic protocols and additionally configured to carry out different diagnostic protocols via the first and second data transmission devices, the method comprising:
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carrying out a first diagnostic protocol, a communication between the data processing device and the interface device taking place via the first data transmission device, and carrying out a second diagnostic protocol, a communication between the data processing device and the interface device taking place via the second data transmission device.
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23. A method for manufacturing a vehicle diagnostic device, comprising:
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(a) providing a single type of data transmission device, (b) establishing a desired quantity of diagnostic protocols for the vehicle diagnostic device, (c) determining on the basis of a data transmission capacity and possible terminal configurations of the provided type of data transmission device whether a desired quantity of diagnostic protocols is implementable with a data transmission device of the provided type of data transmission device, and (d) based on the result of step (c), providing a vehicle diagnostic device with exactly one data transmission device of the provided type of data transmission device, which is situated for forwarding data between an interface device and a data processing device of the vehicle diagnostic device or providing a vehicle diagnostic device with at least two data transmission devices of the provided type of data transmission device, which are situated for forwarding data between an interface device and a data processing device of the vehicle diagnostic device.
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24. A data transmission device for a vehicle diagnostic device, comprising:
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a plurality of terminals on an interface end for coupling the data transmission device to an interface device of the vehicle diagnostic device, a plurality of terminals on the data processing end for coupling the data transmission device to a data processing device of the vehicle diagnostic device, and a plurality of diagnostic protocol driver circuits, wherein the data transmission device is configured in such a way that it is able to carry out a communication between the data processing device and the interface device for a plurality of diagnostic protocols through various couplings between the data transmission device and the interface device as well as between the data transmission device and the data processing device.
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25. A vehicle diagnostic device for determining a condition of at least one component of a motor vehicle, comprising:
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an interface device that is coupleable to a diagnostic interface of the motor vehicle, exactly one data transmission device coupled to the interface device, the data transmission device including a plurality of terminals on an interface end for coupling the data transmission device to an interface device of the vehicle diagnostic device, a plurality of terminals on the data processing end for coupling the data transmission device to a data processing device of the vehicle diagnostic device, and a plurality of diagnostic protocol driver circuits, wherein the data transmission device is configured in such a way that it is able to carry out a communication between the data processing device and the interface device for a plurality of diagnostic protocols through various couplings between the data transmission device and the interface device as well as between the data transmission device and the data processing device, and a data processing device, wherein a coupling between the data transmission device and the interface device and between the data transmission device and the data processing device is such that the data transmission device is able to carry out the communication between the data processing device and the interface device for a subset of the plurality of diagnostic protocols.
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Specification