ATE131680T1 - Sendevorrichtung für eine gemeinschaftsantennenanlage - Google Patents

Sendevorrichtung für eine gemeinschaftsantennenanlage

Info

Publication number
ATE131680T1
ATE131680T1 AT91912067T AT91912067T ATE131680T1 AT E131680 T1 ATE131680 T1 AT E131680T1 AT 91912067 T AT91912067 T AT 91912067T AT 91912067 T AT91912067 T AT 91912067T AT E131680 T1 ATE131680 T1 AT E131680T1
Authority
AT
Austria
Prior art keywords
scramble
channel
communication satellite
scrambling
satellite
Prior art date
Application number
AT91912067T
Other languages
English (en)
Inventor
Akihisa Sugimoto
Original Assignee
Matsushita Electric Ind Co Ltd
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 Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Application granted granted Critical
Publication of ATE131680T1 publication Critical patent/ATE131680T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite
    • 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)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Radio Relay Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Liquid Crystal Substances (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Selective Calling Equipment (AREA)
AT91912067T 1990-07-02 1991-07-02 Sendevorrichtung für eine gemeinschaftsantennenanlage ATE131680T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2174902A JP3058894B2 (ja) 1990-07-02 1990-07-02 Ｃａｔｖ送信設備

Publications (1)

Publication Number Publication Date
ATE131680T1 true ATE131680T1 (de) 1995-12-15

Family

ID=15986692

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91912067T ATE131680T1 (de) 1990-07-02 1991-07-02 Sendevorrichtung für eine gemeinschaftsantennenanlage

Country Status (5)

Country Link
EP (1) EP0489929B1 (de)
JP (1) JP3058894B2 (de)
AT (1) ATE131680T1 (de)
DE (1) DE69115454D1 (de)
WO (1) WO1992000653A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2730116A1 (fr) * 1995-01-31 1996-08-02 Thomson Broadband Systems Systeme de deport d'un embrouilleur de signal de television

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4348691A (en) * 1980-11-10 1982-09-07 Blonder-Tongue Laboratories, Inc. Master antenna subscription television system and the like
JPS59152787A (ja) * 1983-02-18 1984-08-31 Sanyo Electric Co Ltd 有料テレビジヨンシステムの制御デ−タ伝送方式
DE3484068D1 (de) * 1984-05-19 1991-03-07 Am Cable Tv Ind Inc Faelschungssicheres, ausweitbares uebertragungssystem.
GB2161679B (en) * 1984-07-06 1988-02-24 Cabletime Ltd Improvements in or relating to signal jamming apparatuses for frequency division multiplex systems
SE8406489L (sv) * 1984-12-19 1986-06-20 Nordspace Ab Televisionsmottagningssystem
JPS63263886A (ja) * 1987-04-21 1988-10-31 Maspro Denkoh Corp 有料テレビシステム

Also Published As

Publication number Publication date
WO1992000653A1 (en) 1992-01-09
EP0489929A1 (de) 1992-06-17
JP3058894B2 (ja) 2000-07-04
EP0489929B1 (de) 1995-12-13
EP0489929A4 (en) 1993-02-24
JPH0465986A (ja) 1992-03-02
DE69115454D1 (de) 1996-01-25

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