Copyrights. Radio and Television. Cable Television Operator Subject to Liability for Copyright Infringement When Distant Signals Are Imported. Columbia Broadcasting System, Inc. v. Teleprompter Corp., 476 F. 2d 338 (2d Cir.), Cert. Granted, 94 S. Ct. 52 (1973) (Nos. 72-1628 & 72-1633)