Multijunction unit apparatus for use in a digital network

Non-volatile semiconductor memory with SCRAM hold cycle prior to

Optimization methods for the insertion, protection, and detectio

Portable electronic device capable of registering subprograms

Portable thermal printing apparatus including a security device

Postage accounting system including means for transmitting ASCII

Postage meter system and verification of postage charges

Postage metering system with dedicated and non-dedicated postage

Postage payment system employing encryption techniques and accou

Postal rating system with verifiable integrity

Print system and printer capable of prevention of unjust...

Print system, control method therefor, information...

Process and apparatus for remote system inspection of a value di

Protecting images with an image watermark

Public encryption of a stored print job

Record with encoded data

Record with encoded data

Remote and secure feature enabling for an electronic postage met

Scrambled-communication system using adaptive transversal filter

Secure cryptographic processor arrangement