Unabhängiges externes Sicherheitsmodul für einen digital-erweiterbaren Fernsehsignaldekoder

Upgrade circuitry (1390) is provided so as to adapt a reception system (1306) for analog signals to accept both analog and digital signals. The upgrade circuitry (1390) selects (1392) a predetermined digital signal from a number of received digital signals, and decompresses (1393) the selected digit...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YONEDA, ROBERT K., TORONTO ONTARIO M4L 1W3, CA, GAMMIE, KEITH, MARKHAM ONTARIO L3P 1W1, CA, WOO, ARTHUR, SCARBOROUGH ONTARIO M1E 1C5, CA, SHELDRICK, WAYNE
Format:	Patent
Sprache:	ger
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY JAMMING OF COMMUNICATION PICTORIAL COMMUNICATION, e.g. TELEVISION SECRET COMMUNICATION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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