1
Graham C Bradley, Alton O Stretton, Terry L Leier: Secure hierarchial video delivery system and method. SaskTel, Davis Bujold & Streck, December 15, 1992: US05172413 (732 worldwide citation)

Disclosed is an improved system for the delivery of entertainment and educational programming from a plurality of electronic libraries to a plurality of users. Users actuate a hand operated control device to: review a listing of available programming; enable the delivery of a program from a library; ...


2
Graham C Bradley, Alton O Stretten, Terry L Leier: Secure hierarchial video delivery system and method. SaskTel, Oblon Spivak McClelland Maier & Neustadt P C, November 4, 1997: USRE035651

Disclosed is an improved system for the delivery of entertainment and educational programming from a plurality of electronic libraries to a plurality of users. Users actuate a hand operated control device to: review a listing of available programming; enable the delivery of a program from a library; ...