Fiscal data recorder programmed to write only non-blank...

Illegal communication detector, illegal communication...

Image display device

Information processing equipment and IC card

Instruction/data protection employing derived obscuring...

Integrated circuit having obscured state change circuitry

Integrated circuit incorporating protection from power...

Item tracing with supply chain secrecy using RFID tags and...

Locking mechanism override and disable for personal computer...

Logic circuit with variable internal polarities

Manufacturing trusted devices

Manufacturing trusted devices

Method and apparatus for encrypting media programs for later...

Method and apparatus for improved fold retention on a...

Method and apparatus for preserving the integrity of a...

Method and apparatus for preventing piracy of digital content

Method and apparatus for preventing un-authorized attachment...

Method and apparatus for producing duplication- and...

Method and apparatus for the secure storage of audio signals

Method and apparatus for using an IC to facilitate...