FI921056A - Menetelmä ja dekooderi koodatun videosignaalin salauksen purkamiseksi - Google Patents

Menetelmä ja dekooderi koodatun videosignaalin salauksen purkamiseksi Download PDF

Info

Publication number
FI921056A
FI921056A FI921056A FI921056A FI921056A FI 921056 A FI921056 A FI 921056A FI 921056 A FI921056 A FI 921056A FI 921056 A FI921056 A FI 921056A FI 921056 A FI921056 A FI 921056A
Authority
FI
Finland
Prior art keywords
decoder
decoding
video signal
coded video
coded
Prior art date
Application number
FI921056A
Other languages
English (en)
Swedish (sv)
Other versions
FI90612B (fi
FI90612C (fi
FI921056A0 (fi
Inventor
Ari Heikkinen
Original Assignee
Salon Televisiotehdas Oy
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 Salon Televisiotehdas Oy filed Critical Salon Televisiotehdas Oy
Priority to FI921056A priority Critical patent/FI90612C/fi
Publication of FI921056A0 publication Critical patent/FI921056A0/fi
Priority to EP93103554A priority patent/EP0560224A2/en
Priority to NO93930838A priority patent/NO930838L/no
Priority to US08/028,652 priority patent/US5343528A/en
Publication of FI921056A publication Critical patent/FI921056A/fi
Publication of FI90612B publication Critical patent/FI90612B/fi
Application granted granted Critical
Publication of FI90612C publication Critical patent/FI90612C/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
FI921056A 1992-03-11 1992-03-11 Menetelmä ja dekooderi koodatun videosignaalin salauksen purkamiseksi FI90612C (fi)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI921056A FI90612C (fi) 1992-03-11 1992-03-11 Menetelmä ja dekooderi koodatun videosignaalin salauksen purkamiseksi
EP93103554A EP0560224A2 (en) 1992-03-11 1993-03-05 Procedure and decoder for decrypting a coded video signal
NO93930838A NO930838L (no) 1992-03-11 1993-03-08 Fremgangsmaate og dekoder for dekryptering ved kodet videosignal
US08/028,652 US5343528A (en) 1992-03-11 1993-03-09 Procedure and decoder for decrypting a coded video signal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI921056 1992-03-11
FI921056A FI90612C (fi) 1992-03-11 1992-03-11 Menetelmä ja dekooderi koodatun videosignaalin salauksen purkamiseksi

Publications (4)

Publication Number Publication Date
FI921056A0 FI921056A0 (fi) 1992-03-11
FI921056A true FI921056A (fi) 1993-09-12
FI90612B FI90612B (fi) 1993-11-15
FI90612C FI90612C (fi) 1994-02-25

Family

ID=8534904

Family Applications (1)

Application Number Title Priority Date Filing Date
FI921056A FI90612C (fi) 1992-03-11 1992-03-11 Menetelmä ja dekooderi koodatun videosignaalin salauksen purkamiseksi

Country Status (4)

Country Link
US (1) US5343528A (fi)
EP (1) EP0560224A2 (fi)
FI (1) FI90612C (fi)
NO (1) NO930838L (fi)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5982506A (en) * 1996-09-10 1999-11-09 E-Stamp Corporation Method and system for electronic document certification
US7243226B2 (en) 2001-12-12 2007-07-10 Valve Corporation Method and system for enabling content security in a distributed system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157858A (ja) * 1983-02-28 1984-09-07 Sony Corp 記録装置
US4670904A (en) * 1986-01-15 1987-06-02 Rca Corporation System for processing a scrambled video signal
US4945563A (en) * 1986-11-05 1990-07-31 Satellite Technology Services, Inc. Video system and method for controlled viewing and videotaping
GB2215928A (en) * 1988-03-22 1989-09-27 Rank Precision Ind Limited Controlling a video recorder by a coded broadcast signal
NL194657C (nl) * 1989-08-04 2002-10-04 Samsung Electronics Co Ltd Kanaal+ decoderschakelketen voor videocassetteregistratie-inrichtingen.
DE69033905T2 (de) * 1989-10-30 2003-02-06 Starsight Telecast Inc Schnittstelle zwischen kabelfernsehdekoder und fernsehzubehör

Also Published As

Publication number Publication date
FI90612B (fi) 1993-11-15
NO930838D0 (no) 1993-03-08
FI90612C (fi) 1994-02-25
EP0560224A3 (fi) 1994-03-16
EP0560224A2 (en) 1993-09-15
US5343528A (en) 1994-08-30
NO930838L (no) 1993-09-13
FI921056A0 (fi) 1992-03-11

Similar Documents

Publication Publication Date Title
FI973535A (fi) Menetelmä ja laite koodatun signaalin dekoodaamiseksi
AU667970B2 (en) Picture signal encoding method and apparatus and picture signal decoding method and apparatus
DE69332057T2 (de) Digitalsignaldekodierungsvorrichtung
EP0739143A3 (en) Method and device for encoding a video signal
AU1469992A (en) Method and apparatus for encoding and decoding a digital motion video signal
EP0608618A3 (en) Method and system for encoding and / or decoding the color component signals of an image signal.
GB2310101B (en) Method and apparatus for decoding a digital video signal
AU4160993A (en) Image signal coding method, image signal decoding method, image signal encoder, image signal decoder and image signal recording medium
EP0576290A3 (en) Picture signal coding and decoding
DE69222754T2 (de) Videodekoder
FI946023A0 (fi) Menetelmä ja järjestelmä interaktiivisen videojakelujärjestelmän mitoittamiseksi
AU4171693A (en) A digital video signal decoding apparatus
EP0588586A3 (en) Apparatus and method for decoding a plurality of encoded video signals
NO981427D0 (no) Fremgangsmåte for dekoding og koding av bevegelig-bilde signal og anordning for anvendelse av fremgangsmåten
GB2283636B (en) Coding and decoding video signals
EP0515143A3 (en) Video signal encoding and decoding apparatus
GB2277227B (en) Video signal coding
AU681818B2 (en) A method for encoding and decoding moving picture signals
FI923980A0 (fi) Videosignaalin dekooderijärjestelmä
AU2046695A (en) Video signal coding and decoding method
HK1000793A1 (en) Video signal coding apparatus and decoding apparatus
DE69121876T2 (de) Videokodierer und -dekodierer mit Verschiebungsverhinderung für korrekt dekodierte Signalblöcke
FI921056A (fi) Menetelmä ja dekooderi koodatun videosignaalin salauksen purkamiseksi
EP0541287A3 (en) Video signal coding apparatus and decoding apparatus
EP0485950A3 (en) Method and apparatus for coding/decoding image signal

Legal Events

Date Code Title Description
BB Publication of examined application