Rating-dependent parental lock-out for television reception

摘要: A technique for selectively inhibiting television receiving apparatus from displaying those programs which satisfy predetermined content ratings criteria. Television program information associated with that are receivable by the during a selected time interval, such as channel data representing channels on received and rating contents of programs, is stored. code criteria viewer wishes to inhibit being displayed also When desired viewer, stored compared determine if transmitted satisfies If so, blocked having do not then permit select an acceptable program.