| VERIFICATION TECHNOLOGIES, INC. Patent applications |
| Patent application number | Title | Published |
|---|
| 20110149705 | Data storage in optical discs - A device for preventing and controlling copying of data from an optical storage disc utilizing physical modifications in or on a storage capable optical disc. Also described is, a method for authenticating and controlling reading or copying of information or data in or on optical discs as, for example, wherein a locus on or in the optical storage disc is initially read to produce a signal and is then re-read by a reader to produce a second signal. The signal detected upon re-reading is different from the signal that is detected upon initial sampling. | 06-23-2011 |
| 20090035539 | PIRACY PROTECTED RECORDING MEDIA - An optical medium piracy system employing a state-change material in association with a digital data indicia, wherein when state-change material is activated to change state, the optical medium moves from an unreadable to a readable condition, or from a less readable to more readable condition. | 02-05-2009 |
| 20090008452 | PRODUCT PACKAGING INCLUDING DIGITAL DATA - Light sensitive materials applied in shipping materials, including security seals and tear tape, for authentication, discrimination and recognition of items. | 01-08-2009 |
| 20080212952 | Copy Protection for Video Content Contained in the VOB File Structure - A digital video optical recording medium comprising an optical state change material in the VOB file structure. | 09-04-2008 |
