Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and device for securely transmitting teletext pages to specific users

Method and device for securely transmitting teletext pages to specific users

US Patent 5821982 · Granted Oct 13, 1998

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Interactive television2004
Interactive television2002
Portable receiver with antenna1998
Intervertebral implant1994
Television receiver for selectively blocking video signal samples via stored bla1992
Intervertebral disk endoprosthesis1991
Television receiver comprising a teletext decoding circuit and a page number mem1987
Teletext signal processing circuit for a teletext receiver1987
Teletext device with reduced page-access time1987
Device for displaying digital information incorporating selection of picture pag1985