DK293789A - Kabel-tv-dekoder - Google Patents

Kabel-tv-dekoder Download PDF

Info

Publication number
DK293789A
DK293789A DK293789A DK293789A DK293789A DK 293789 A DK293789 A DK 293789A DK 293789 A DK293789 A DK 293789A DK 293789 A DK293789 A DK 293789A DK 293789 A DK293789 A DK 293789A
Authority
DK
Denmark
Prior art keywords
decoder
cable
Prior art date
Application number
DK293789A
Other languages
Danish (da)
English (en)
Other versions
DK293789D0 (da
Inventor
Woo H Paik
Original Assignee
Gen Instrument Corp
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 Gen Instrument Corp filed Critical Gen Instrument Corp
Publication of DK293789D0 publication Critical patent/DK293789D0/da
Publication of DK293789A publication Critical patent/DK293789A/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • 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
    • H04N7/171—Systems operating in the amplitude domain of the television signal
    • H04N7/1713—Systems operating in the amplitude domain of the television signal by modifying synchronisation signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
DK293789A 1988-06-14 1989-06-14 Kabel-tv-dekoder DK293789A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/206,612 US4926477A (en) 1988-06-14 1988-06-14 Cable television descrambler

Publications (2)

Publication Number Publication Date
DK293789D0 DK293789D0 (da) 1989-06-14
DK293789A true DK293789A (da) 1989-12-15

Family

ID=22767155

Family Applications (1)

Application Number Title Priority Date Filing Date
DK293789A DK293789A (da) 1988-06-14 1989-06-14 Kabel-tv-dekoder

Country Status (9)

Country Link
US (1) US4926477A (fr)
EP (1) EP0346700B1 (fr)
JP (1) JP2788487B2 (fr)
KR (1) KR0148106B1 (fr)
CA (1) CA1299734C (fr)
DE (1) DE68925837T2 (fr)
DK (1) DK293789A (fr)
HK (1) HK59997A (fr)
IE (1) IE65829B1 (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69330946D1 (de) * 1992-01-08 2001-11-22 Broadband Innovations Inc Mehrkanal-fernsehsignal ver- und entschlüsselungssystem und -verfahren
US5321748A (en) * 1992-07-02 1994-06-14 General Instrument Corporation, Jerrold Communications Method and apparatus for television signal scrambling using block shuffling
US5606612A (en) * 1994-07-25 1997-02-25 General Instrument Corporation, Jerrold Communications Division Method and apparatus for television signal scrambling using a line expansion technique
US5617475A (en) * 1994-11-18 1997-04-01 General Instrument Corporation, G.I. Communications Division Scrambling and descrambling of video signals using horizontal line combinations
US5512963A (en) * 1995-01-05 1996-04-30 Mankovitz; Roy J. Apparatus and methods for providing combining multiple video sources
US5862219A (en) * 1995-05-12 1999-01-19 General Instrument Corporation Cable television setback decoder automatic control
US5710815A (en) * 1995-06-07 1998-01-20 Vtech Communications, Ltd. Encoder apparatus and decoder apparatus for a television signal having embedded viewer access control data
US5912970A (en) * 1996-04-09 1999-06-15 Zenith Electronics Corporation Television scrambling system
EP0965228A2 (fr) * 1997-12-31 1999-12-22 Koninklijke Philips Electronics N.V. Recepteur optique grande puissance
US7688803B1 (en) 2000-09-01 2010-03-30 Young Steven J System and method for coordinating between multiple telephony channels
US7200859B1 (en) 2000-11-22 2007-04-03 Digeo, Inc. Apparatus and method for intelligent multimedia compression and distribution
US6813643B2 (en) 2001-01-05 2004-11-02 Digeo, Inc. Multimedia system with selectable protocol module including MPEG logic and docsis logic sharing a single tuner
US20020116705A1 (en) 2001-02-20 2002-08-22 Perlman Stephen G. System and method for processing conditional access data
US7046805B2 (en) 2001-03-20 2006-05-16 Digeo, Inc. System and method for efficiently storing and processing multimedia content
US7093277B2 (en) 2001-05-30 2006-08-15 Digeo, Inc. System and method for improved multi-stream multimedia transmission and processing
US7386129B2 (en) 2001-05-30 2008-06-10 Digeo, Inc. System and method for multimedia content simulcast
US7463737B2 (en) 2001-08-15 2008-12-09 Digeo, Inc. System and method for conditional access key encryption
US6961956B2 (en) * 2001-09-04 2005-11-01 General Instrument Corporation Simplified digital settop box
KR100430525B1 (ko) * 2001-12-17 2004-05-10 한국전자통신연구원 디지털 케이블 방송 시스템에서의 전송 스트림 처리장치와방법 및 그것을 위한 지연제어장치
JP2004274410A (ja) * 2003-03-10 2004-09-30 Hitachi Ltd 受信装置および映像表示装置

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3184537A (en) * 1960-10-04 1965-05-18 Paramount Pictures Corp Subscription-television system employing suppression of synchronizing signals
US3530232A (en) * 1966-06-17 1970-09-22 Intern Telemeter Corp Subscription television system
US3639686A (en) * 1969-04-25 1972-02-01 Homarket Inc Television receiver cut-in device
US4075660A (en) * 1972-02-18 1978-02-21 Teleglobe Pay-Tv System, Inc. Pay television system with synchronization suppression
JPS5912850Y2 (ja) * 1978-03-06 1984-04-17 ホーチキ株式会社 チヤンネルレベル調整器
US4222068A (en) * 1978-11-02 1980-09-09 American Television And Communications Corporation Subscription television apparatus and methods
US4316217A (en) * 1979-03-26 1982-02-16 Rifken Jerome C Method and apparatus for connecting a cable television system to a video cassette recorder
US4389671A (en) * 1980-09-29 1983-06-21 Harris Corporation Digitally-controlled analog encrypton
US4335404A (en) * 1980-10-10 1982-06-15 Martinson Jr John R Video signal mixer apparatus and method
JPS5791085A (en) * 1980-11-27 1982-06-07 Sony Corp Television receiver
US4802214A (en) * 1982-04-23 1989-01-31 Eagle Comtronics, Inc. Method and apparatus for identifying and rendering operative particular descramblers in a television signal scrambling system
US4630133A (en) * 1982-12-20 1986-12-16 Zenith Electronics Corporation VCR with total record/view flexibility
US4496986A (en) * 1983-01-11 1985-01-29 U.S. Philips Corporation Subscription television interface
US4590519A (en) * 1983-05-04 1986-05-20 Regency Electronics, Inc. Television signal scrambling/descrambling system
US4530008A (en) * 1983-10-03 1985-07-16 Broadband Technologies, Inc. Secured communications system
JPH0654973B2 (ja) * 1983-11-09 1994-07-20 ソニー株式会社 Ｃａｔｖラインを使用したデジタル信号の伝送装置
US4611242A (en) * 1984-05-07 1986-09-09 Zenith Electronics Corporation Two mode scrambling system using identifier pulse in vertical blanking interval
US4712237A (en) * 1984-10-29 1987-12-08 Zenith Electronics Corporation Method and apparatus for unscrambling sync-suppressed television signals
US4716588A (en) * 1985-10-29 1987-12-29 Payview Limited Addressable subscription television system having multiple scrambling modes
US4688246A (en) * 1985-12-20 1987-08-18 Zenith Electronics Corporation CATV scrambling system with compressed digital audio in synchronizing signal intervals
JPH0434623Y2 (fr) * 1986-11-17 1992-08-18

Also Published As

Publication number Publication date
IE65829B1 (en) 1995-11-15
JPH0237892A (ja) 1990-02-07
EP0346700B1 (fr) 1996-03-06
CA1299734C (fr) 1992-04-28
DE68925837D1 (de) 1996-04-11
KR0148106B1 (ko) 1998-09-15
DK293789D0 (da) 1989-06-14
IE891893L (en) 1989-12-14
HK59997A (en) 1997-05-16
JP2788487B2 (ja) 1998-08-20
EP0346700A3 (fr) 1991-11-06
US4926477A (en) 1990-05-15
DE68925837T2 (de) 1996-10-10
KR900001256A (ko) 1990-01-31
EP0346700A2 (fr) 1989-12-20

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment