Control unit having a deactivatable interface
First Claim
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1. Control unit comprising:
- a microprocessor;
at least one electronic memory for storing a program-controlled sequence control for a motor vehicle;
a first electronic interface for transmitting a program code of the sequence control from an external data transmission device to the memory; and
a second electronic interface;
wherein the first electronic interface is irreversibly deactivated.
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Abstract
A control unit having a microprocessor and at least one electronic memory for storing a program-controlled sequence control for a motor vehicle and a first electronic interface for transmitting the program code of the sequence control from an external data transmission device into the memory and also having a second electronic interface are provided. To prevent manipulation of the contents of the memory, the first electronic interface is irreversibly deactivated after its initial use.
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Citations
20 Claims
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1. Control unit comprising:
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a microprocessor;
at least one electronic memory for storing a program-controlled sequence control for a motor vehicle;
a first electronic interface for transmitting a program code of the sequence control from an external data transmission device to the memory; and
a second electronic interface;
wherein the first electronic interface is irreversibly deactivated. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. Electronic immobilizer of a motor vehicle, comprising:
a control unit, comprising;
a microprocessor;
at least one electronic memory for storing a program-controlled sequence control for a motor vehicle;
a first electronic interface for transmitting a program code of the sequence control from an external data transmission device to the memory; and
a second electronic interface;
wherein the first electronic interface is irreversibly deactivated.
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19. Method for irreversible deactivation of a first electronic interface of a control unit having a microprocessor and an electronic memory for storing a program-controlled sequence control and a second electronic interface, the method comprising the acts of:
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inputting a program code forming the sequence control into the electronic memory via the first electronic interface; and
irreversibly deactivating the first electronic interface after inputting the program code. - View Dependent Claims (20)
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Specification