Appeal No. 97-0280
Application 08/192,839
rejection of claims 2, 4 and 6 through 15 and has allowed these
claims. Therefore, claims 1, 3 and 16 through 21 remain rejected
and are properly before us for our consideration.
The invention relates to a method for storing security
relevant data in a postage meter, in which the same data is
stored in several memory areas.
The independent claim 1 is reproduced as follows:
1. A method for storing security relevant data in a postage
meter, in which method data (A, B, C, D) are stored in several
memory areas (a, b, c, d), the data (A, B, C, D) are read out of
the memory areas (a, b, c, d) and the data of one memory area is
compared with the data of another memory area, and in which a
memory area with faulty data is ascertained, if such memory area
with faulty data exists, said method comprising the steps of:
storing the same data (A, B, C, D) in at least four memory
areas (a, b, c, d),
making comparisons to compare the data (A, B, C, D) of each
memory area (a, b, c, d) with the data (A, B, C, D) of the other
memory areas (a, b, c, d) and to produce results indicating for
each comparison whether the data compared is in agreement or not
in agreement,
ascertaining a fault number (Z) which fault number (Z)
indicates in how many of said comparisons lack of agreement is
found between the compared data, and
processing the results of said comparisons and said fault
number (Z) to determine the memory area or memory areas, (a, b,
c, d) with fault containing data (A, B, C, D).
2
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