摘要:
A method and system for providing copy-protected optical medium using a substrate having information stored thereon in information pits and information lands, wherein the information lands comprise lands in two different planes.
摘要:
A copy-protected optical medium comprising transient optical state change security materials that demonstrating an optical state change when exposed to the wavelengths of from about 770 nm to about 830 nm.
摘要:
A method for providing content replication deterrence for an optical disc by means of detecting changes of state of an optical state change security material placed on the disc.
摘要:
Through embodiments an optical medium and method of fabricating the optical medium including content replication deterrent features is disclosed. The medium includes protective features for preventing the unintentional activation of the content replication deterrent features by the ambient environment.
摘要:
Through embodiments, an optical medium is disclosed which includes features for presenting alphanumeric text and graphics which can be made discernable or indiscernible.
摘要:
An article of manufacture comprising an optical disc readable by an optical reader. The disc provides content replication deterrence by placing an optical satte chance security material in the tracking control region of the disc.
摘要:
A method and system for providing copy-protected optical medium using transient optical state change security materials capable of changing optical state when exposed to a wavelength of about 630 nm to about 660 nm and software code to detect such change in optical state.
摘要:
A method and system for providing copy-protected optical medium using a substrate having information stored thereon in information pits and information lands, wherein the information lands comprise lands in two different planes.
摘要:
A method and system for providing copy-protected optical medium using a substrate having information stored thereon in information pits and information lands, wherein the information lands comprise lands in two different planes.
摘要:
A method and system for providing copy-protected optical medium using transient optical state change security materials capable of changing optical state and software code to detect such change in optical state.