Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Security kernel or utility
Reexamination Certificate
2007-11-27
2007-11-27
Barron, Jr., Gilberto (Department: 2132)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Security kernel or utility
C713S167000, C726S030000
Reexamination Certificate
active
10324342
ABSTRACT:
A technical facility has a computer with service software stored therein that has first, second and third service modules. The first service module has a first service routine or a first group of service routines that is available to an operator of the technical facility without a training for application of the first service routine or the first group of service routines. The second service module has a second service routine or a second group of service routines that is available to the operator only after a training. The third service module has a third service routine or a third group of service routines that is denied to the operator.
REFERENCES:
patent: 5363446 (1994-11-01), Ruppertz et al.
patent: 5537544 (1996-07-01), Morisawa et al.
patent: 5796941 (1998-08-01), Lita
patent: 2002/0152395 (2002-10-01), Zhang et al.
patent: 2002/0198748 (2002-12-01), Eden et al.
Hearn Andrea
Herrmann Wolfgang
Hofmann Detlef
Welsing Stephan
Barron Jr. Gilberto
Perungavoor Venkat
Schiff & Hardin LLP
Siemens Aktiengesellschaft
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