LandOfFree - US Patents - Listing for Cryptography,Electric signal modification

Cryptography – Electric signal modification – Having production of printed copy

Method and apparatus for verifying a value for a batch of items

Cryptography – Electric signal modification – Having production of printed copy

Method and arrangement for generating and checking a security im

Cryptography – Electric signal modification – Having production of printed copy

Method and arrangement for generating and checking a security im

Cryptography – Electric signal modification – Having production of printed copy

Method and arrangement for generating and checking a security im

Cryptography – Electric signal modification – Having production of printed copy

Method and arrangement for generating and checking a security im

Cryptography – Electric signal modification – Having production of printed copy

Method and system for automatic recognition of digital indicia i

Cryptography – Electric signal modification – Having production of printed copy

Method and system for identifying the source of documents genera

Cryptography – Electric signal modification – Having production of printed copy

Method and system for secure printing of documents via a...

Cryptography – Electric signal modification – Including particular structure or housing

Method and system for the high-speed generation and transmission

Cryptography – Electric signal modification – Having production of printed copy

Method and system for user registration on terminal

Cryptography – Electric signal modification – Having production of printed copy

Method for backing up and erasing encryption keys

Cryptography – Electric signal modification – Having production of printed copy

Method for numerically scrambling data and its application to a

Cryptography – Electric signal modification – Having production of printed copy

Method for processing documents containing restricted...

Cryptography – Electric signal modification – Having mechanical control of signal encryption

Method for transmitting security context for handover in...

Cryptography – Electric signal modification – Having production of printed copy

Method for verifying the expected postage security device...

Utility Patent

Cryptography – Electric signal modification – Including particular structure or housing

Method for video editing

Cryptography – Electric signal modification – Including particular structure or housing

Method of connecting a scrambler or encryption device to a hand-

Cryptography – Electric signal modification – Having production of printed copy

Method of encoding confidentiality markings

Cryptography – Electric signal modification – Having production of printed copy

Method of mapping destination addresses for use in calculating d