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Dive into the research topics where Siegfried Hartleif is active.

Publication


Featured researches published by Siegfried Hartleif.


Archive | 1993

Method for cash sum transfer into and from smart cards

Reinhard Endler; Reinhard Westphal; Siegfried Hartleif; Herbert Niehaus; Peter Schafer; Detlev Mergemeier; Dieter Hovemeyer


Archive | 1997

Method and assembly for the transfer of sums of money between transferable memories of an IC-card

Siegfried Hartleif; Herbert Niehaus


Archive | 1997

Méthode et installation pour transférer des sommes d'argent entre mémoires transférables d'une carte à puce

Siegfried Hartleif; Herbert Niehaus


Archive | 1996

Verfahren und Anlage zum Transferieren von Geldbeträgen zwischen überschreibbaren Speichern einer Chipkarte Method and apparatus for transferring money between rewritable memories of a smart card

Siegfried Hartleif; Herbert Niehaus


Archive | 1996

Process and apparatus for transferring sums of money between rewritable memories of a chip card

Siegfried Hartleif; Herbert Niehaus


Archive | 1996

Method for transferring sums of money between rewritable memories of a chip card

Siegfried Hartleif; Herbert Niehaus


Archive | 1996

Procedure for Settlement of electronic purse systems.

Siegfried Hartleif; Reinhard Westphal


Archive | 1995

Verfahren zum Abrechnen elektronischer Geldbörsensysteme auf Chipkarten A method for charging electronic purse systems on chip cards

Siegfried Hartleif; Reinhard Westphal


Archive | 1995

Method for billing of electronic purse systems on smart cards

Siegfried Hartleif; Reinhard Westphal


Archive | 1995

A method of charging electronic purse systems on smart cards

Siegfried Hartleif; Reinhard Westphal

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