Digital Postmarks

Known as: Digital Postmark, Electronic postage, Electronic postmark 
A Digital Postmark (DPM) is a technology that applies a trusted time stamps issued by a postal operator to an electronic document, validates… Expand
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Papers overview

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2010
2010
In the article the knowledge about graphical coding for postal service is generalized. The advantages of Digital Postage Mark… Expand
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2007
2007
An electronic postage meter includes a memory protection circuit. The memory protection circuit prevents the inadvertent writing… Expand
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2007
2007
 
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2005
2005
An electronic postage meter system in which a postage meter is coupled to a data center by way of a communication path, to enable… Expand
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Highly Cited
1999
Highly Cited
1999
From the Publisher: As paper-based communication and transaction mechanisms are replaced by automated ones, traditional forms of… Expand
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