Patent DE731246C successfully refreshed from Google Patents.
Patent EP0432048A1 successfully refreshed from Google Patents.
EP0432048A1
Expired / Lapsed
EP
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Method for promoting pay-televion-broadcasts and device for carrying out this method
Assignee: Laboratoire Europeen de Recherches Electroniques Avancees SNC
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Filing: 1990-12-06
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Granted: —
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Expires: 2010-12-06
Abstract
Abstract The method of the invention relates to pay-television networks with enhanced scrambling. To attract future subscribers, the invention makes provision for transmitting images cyclically, in clear, for short periods, this enabling account to be taken of the kind of broadcasts. <IMAGE>
Inventors
- 👤 Michel Leduc
- 👤 Eric Diehl
- 👤 Joel Hamon
- 👤 Albert Dorner
- 👤 Jacky Mahler
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 18:51
CPC Classifications
H; H04; H04N; H04N21/00; H04N21/80; H04N21/81; H04N21/812; H04N21/20; H04N21/25; H04N21/254; H04N21/2543; H04N7/00; H04N7/16; H04N7/167
Claims Analysis
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References Cited (Backward Citations)
DE3530822A1
Cited
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