Stacks of layers with periodical corrugations of interfaces as devices for document security

2019 ◽  
Author(s):  
Ivo Aubrecht ◽  
Jiri Piruncik ◽  
Jiri Tomsu ◽  
Petr Svacina
Keyword(s):  
Document Security

Document Security in the Ancient World

2011 ◽  
pp. 150-156
Author(s):  
Christopher H. Walker
Keyword(s):  
Information Science ◽  
Ancient World ◽  
Cyber Terrorism ◽  
Security Issues ◽  
Document Security ◽  
Information Professionals

While issues of encryption, firewalls, surveillance technologies, and cyber terrorism occupy the day-to- day thoughts of contemporary practitioners on the frontiers of information science, the essential problems they face are old, not new. The concept of document security goes back to some of the earliest eras from which writing survives. Testimony to the efforts of information professionals confronting security issues in the ancient world can be found in business, government, family, and temple contexts.

Optical memories for document security

1996 ◽  
Author(s):  
Wayne R. Tompkin ◽  
Rene Staub ◽  
Jean-Frederic Moser
Keyword(s):  
Optical Memories ◽  
Document Security
Sign in / Sign up

Export Citation Format

Share Document