ATE154187T1 - Gebührenfernseh-verfahren und -system - Google Patents

Gebührenfernseh-verfahren und -system

Info

Publication number
ATE154187T1
ATE154187T1 AT92203933T AT92203933T ATE154187T1 AT E154187 T1 ATE154187 T1 AT E154187T1 AT 92203933 T AT92203933 T AT 92203933T AT 92203933 T AT92203933 T AT 92203933T AT E154187 T1 ATE154187 T1 AT E154187T1
Authority
AT
Austria
Prior art keywords
carrier wave
wave signal
frequency
fdm
signal
Prior art date
Application number
AT92203933T
Other languages
English (en)
Inventor
Han Hiong Tan
Original Assignee
Nederland Ptt
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nederland Ptt filed Critical Nederland Ptt
Application granted granted Critical
Publication of ATE154187T1 publication Critical patent/ATE154187T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Systems (AREA)
  • Small-Scale Networks (AREA)
AT92203933T 1991-12-20 1992-12-15 Gebührenfernseh-verfahren und -system ATE154187T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9102158A NL9102158A (nl) 1991-12-20 1991-12-20 Methode en systeem ten behoeve van betaal-tv.

Publications (1)

Publication Number Publication Date
ATE154187T1 true ATE154187T1 (de) 1997-06-15

Family

ID=19860080

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92203933T ATE154187T1 (de) 1991-12-20 1992-12-15 Gebührenfernseh-verfahren und -system

Country Status (5)

Country Link
EP (1) EP0561066B1 (de)
AT (1) ATE154187T1 (de)
DE (1) DE69220207T2 (de)
ES (1) ES2102451T3 (de)
NL (1) NL9102158A (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB871597A (en) * 1958-05-08 1961-06-28 Rank Organisation Ltd Improvements in or relating to television systems
GB1496495A (en) * 1973-12-19 1977-12-30 Indesit Processing circuit for television chromatic signals
US3936593A (en) * 1974-08-05 1976-02-03 Gte Laboratories Incorporated Scrambler and decoder for a television signal
AU636636B2 (en) * 1989-07-20 1993-05-06 Scientific-Atlanta, Inc. A method of subcarrier multiplication which preserves am information in fm systems

Also Published As

Publication number Publication date
DE69220207T2 (de) 1997-11-13
DE69220207D1 (de) 1997-07-10
NL9102158A (nl) 1993-07-16
EP0561066B1 (de) 1997-06-04
ES2102451T3 (es) 1997-08-01
EP0561066A1 (de) 1993-09-22

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee