Method and arrangement for reloading processor control programs

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364449, 34082504, H04B 100

Patent

active

054064848

ABSTRACT:
In a read only memory protected against erasure in processor-controlled apparatus, the loading occurs via a wireless data transmission interface. The processor-controlled apparatus is a mobile apparatus in which a loader provided for loading the read only memory is installed. This loader controls the communication of the data transmission interface as well as the erasing and reprogramming of the read only memory. The processor control program or program parts thereof to be reloaded are requested by the processor-controlled apparatus in blocks from a reloading station which likewise has a wireless data transmission interface and are written into the read only memory. The individual program blocks are protected by check sums in the block-by-block transmission. After the end of the programming, the processor control program that has been reloaded is checked by length comparison and check sum comparison to ensure that the data transmission was error-free.

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