METHOD AND APPARATUS FOR SECURE STORAGE AND REMOTE MONITORING VEHICLE ODOMETER
First Claim
1. A method for remotely accessing odometer data in a vehicle having at least two control units which are each connected via a data bus, wherein the odometer reading data, which is determined at a particular time by means of an odometers is stored in a first storage means of a first one of said at least two control units, said method comprising the steps of:
- storing the current odometer reading data of at least a second one of said at least two control units on the data bus in a second storage means,transmitting remotely via radio frequency communications by at least one of two control units, the odometer reading data, which is stored at a particular time, from the data bus at specific time intervals, andaccepting in data of one of said control units, the odometer reading transmitted onto the data bus if said reading is higher in value than a stored value, and using said value for the further counting and storage in said one control unit.
1 Assignment
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Accused Products
Abstract
The disclosure generally relates to a method for remote reading the tamper-proof storage of the odometer reading in a vehicle by, for example, making available an alternative wireless method for the accessing of odometer reading data. In one embodiment, the disclosure relates to a method for remotely reading odometer data in a vehicle having control units which are connected via a data bus. The odometer reading data, which is determined at a particular time by an odometer, can be stored in a storage means of a first control unit, thereby providing an alternative method for remotely accessing odometer reading data and, in particular, improved protection against errors during the transmission of the odometer reading data. The current odometer reading data of at least one further control unit is then stored on the data bus in a storage means. The control units transmit the odometer reading data, which is stored at a particular time, onto the data bus at specific time intervals, and a control unit accepts the odometer reading transmitted onto the data bus if that reading is higher than its stored value, and uses that value for the further counting and radio transmission of odometer reading data.
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Citations
13 Claims
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1. A method for remotely accessing odometer data in a vehicle having at least two control units which are each connected via a data bus, wherein the odometer reading data, which is determined at a particular time by means of an odometers is stored in a first storage means of a first one of said at least two control units, said method comprising the steps of:
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storing the current odometer reading data of at least a second one of said at least two control units on the data bus in a second storage means, transmitting remotely via radio frequency communications by at least one of two control units, the odometer reading data, which is stored at a particular time, from the data bus at specific time intervals, and accepting in data of one of said control units, the odometer reading transmitted onto the data bus if said reading is higher in value than a stored value, and using said value for the further counting and storage in said one control unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification