9 Photographic, scientific, cinematographic and checking apparatus and instruments, namely, photographic projectors, motion picture projectors; interactive computers and software therefor for use in decompressing code, application code interpreters, error checkers for use in the execution of code, all for providing access control to data and to information programs by television or decoders; electronic decoders for use in decoding data; electronic signal emitters for use in editing motion picture film; audiovisual, telecommunication, telematic apparatus and instruments, namely, television sets, video cassette recorders, audio tape recorders; video tape recorders; radio, VCR and television remote controls; photographic and movie projectors; sound amplifiers, high fidelity sound systems comprised of monaural and stereo amplifiers, tuners and stereo receivers, compact disc players; navigation apparatus for use between services on data processing networks and television frequencies, namely, computer software for use in monitoring television sets; recorded computer software for controlling the access to interactive television for communication by Internet terminals; apparatus for scrambling and unscrambling of signals and transmission thereof, namely signal processors; computer and video monitors; digital television terminals; blank smart cards; magnetic coded card readers; electronic components for compact disc players, television sets and radio sets; apparatus for simultaneous television programming and television channel selection, namely, remote control units; television and radio program interactive electronic guides; encoded electronic chip cards containing computer programs used to program and select television programs; apparatus and instruments for use in interactive television, namely, encrypters, decrypters, and printed, integrated and electronic circuits to permit recording and broadcasting of digital television programs and which allow selection of those programs