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Machine translation
1. (WO1984003166) DEVICE FOR THE PROTECTION OF MAGNETIC TAPES, OR OTHER RECORDING MEDIA, OR TELEVISION OR RADIO BROADCASTINGS AGAINST AN AUTHORIZED READING AND/OR REPRODUCTION
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1984/003166    International Application No.:    PCT/FR1984/000029
Publication Date: 16.08.1984 International Filing Date: 09.02.1984
IPC:
G11B 20/00 (2006.01), H04N 5/913 (2006.01), G06F 1/00 (2006.01)
Applicants:
Inventors:
Priority Data:
  30.12.1899 null
Title (EN) DEVICE FOR THE PROTECTION OF MAGNETIC TAPES, OR OTHER RECORDING MEDIA, OR TELEVISION OR RADIO BROADCASTINGS AGAINST AN AUTHORIZED READING AND/OR REPRODUCTION
(FR) DISPOSITIF DE PROTECTION DE BANDES MAGNETIQUES, OU AUTRES SUPPORTS D"ENREGISTREMENT, OU D"EMISSIONS DE TELEVISION OU DE RADIO CONTRE LA LECTURE ET/OU LA REPRODUCTION NON AUTORISEES
Abstract: front page image
(EN)Device for the protection of a video tape on the "sound" track of which have been recorded coded messages, comprising a detector (9) for detecting said coded messages, means (7, 8) for inhibiting or enabling the reading or copying of the tape at each detection of a coded message corresponding to a preset program and means (analog delay lines) (3, 5) for transmitting the sound signal while eliminating the coded message.
(FR)Dispositif de protection d"une bande vidéo sur la piste "son" de laquelle ont été enregistrés des messages codés, comprenant un détecteur (9) desdits messages codés, des moyens (7, 8) d"inhiber ou de valider la lecture ou la duplication de la bande à chaque détection d"un message codé conforme à un programme pré-établi et des moyens (lignes à retard analogiques (3, 5)) de transmettre le signal de son en éliminant le message codé.
Designated States:
Publication Language: French (FR)
Filing Language: French (FR)