FI941833A - Kodning och avkodning av en modulerad radiorekvenssignal - Google Patents

Kodning och avkodning av en modulerad radiorekvenssignal Download PDF

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Publication number
FI941833A
FI941833A FI941833A FI941833A FI941833A FI 941833 A FI941833 A FI 941833A FI 941833 A FI941833 A FI 941833A FI 941833 A FI941833 A FI 941833A FI 941833 A FI941833 A FI 941833A
Authority
FI
Finland
Prior art keywords
decoding
encoding
radio frequency
frequency signal
modulated radio
Prior art date
Application number
FI941833A
Other languages
English (en)
Finnish (fi)
Other versions
FI941833A0 (sv
Inventor
Jens Joergen Johansson
Original Assignee
Jens Joergen Johansson
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 Jens Joergen Johansson filed Critical Jens Joergen Johansson
Publication of FI941833A0 publication Critical patent/FI941833A0/sv
Publication of FI941833A publication Critical patent/FI941833A/sv

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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)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Television Systems (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Mobile Radio Communication Systems (AREA)
FI941833A 1991-10-24 1994-04-20 Kodning och avkodning av en modulerad radiorekvenssignal FI941833A (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9103098A SE9103098D0 (sv) 1991-10-24 1991-10-24 Anordning vid tv-system
PCT/SE1992/000737 WO1993008662A1 (en) 1991-10-24 1992-10-23 Coding and decoding a modulated radio frequency signal

Publications (2)

Publication Number Publication Date
FI941833A0 FI941833A0 (sv) 1994-04-20
FI941833A true FI941833A (sv) 1994-04-20

Family

ID=20384094

Family Applications (1)

Application Number Title Priority Date Filing Date
FI941833A FI941833A (sv) 1991-10-24 1994-04-20 Kodning och avkodning av en modulerad radiorekvenssignal

Country Status (6)

Country Link
US (1) US5450454A (sv)
EP (1) EP0609344A1 (sv)
AU (1) AU2802992A (sv)
FI (1) FI941833A (sv)
SE (1) SE9103098D0 (sv)
WO (1) WO1993008662A1 (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3788921B2 (ja) * 2000-12-13 2006-06-21 ユーディナデバイス株式会社 無線通信システム、受信装置、無線通信装置及び無線通信方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3789131A (en) * 1972-08-03 1974-01-29 Oak Industries Inc Selective coding system for subscription television
US3885089A (en) * 1973-02-16 1975-05-20 Hughes Aircraft Co Television scrambling system
GB2068185B (en) * 1980-01-21 1983-06-22 Philips Electronic Associated Frequency synthesiser of the phase lock loop type
GB2071464B (en) * 1980-03-08 1984-05-31 Gott G F Doany P Communication systems
GB2186156B (en) * 1983-10-21 1988-01-06 Philips Electronic Associated A receiver for frequency hopped signals
GB2203314B (en) * 1987-04-01 1991-03-06 Plessey Co Plc Frequency hopping assignment arrangement for frequency hopping radio stations
GB2213000A (en) * 1987-11-25 1989-08-02 Philips Electronic Associated Frequency synthesizer

Also Published As

Publication number Publication date
SE9103098D0 (sv) 1991-10-24
FI941833A0 (sv) 1994-04-20
EP0609344A1 (en) 1994-08-10
AU2802992A (en) 1993-05-21
US5450454A (en) 1995-09-12
WO1993008662A1 (en) 1993-04-29

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Legal Events

Date Code Title Description
FD Application lapsed