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BR8305653A - Sistema de controle de assinante - Google Patents

Sistema de controle de assinante

Info

Publication number
BR8305653A
BR8305653A BR8305653A BR8305653A BR8305653A BR 8305653 A BR8305653 A BR 8305653A BR 8305653 A BR8305653 A BR 8305653A BR 8305653 A BR8305653 A BR 8305653A BR 8305653 A BR8305653 A BR 8305653A
Authority
BR
Brazil
Prior art keywords
control system
subscriber control
subscriber
control
Prior art date
Application number
BR8305653A
Other languages
English (en)
Inventor
Peter R Petrus
Raymond F St Louis
Original Assignee
Pico Products Inc
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 Pico Products Inc filed Critical Pico Products Inc
Publication of BR8305653A publication Critical patent/BR8305653A/pt

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
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17345—Control of the passage of the selected programme
    • H04N7/17363—Control of the passage of the selected programme at or near the user terminal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1708—Comprising bridging elements, i.e. elements in a series path without own reference to ground and spanning branching nodes of another series path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/175—Series LC in series path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1775—Parallel LC in shunt or branch path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/166—Passage/non-passage of the television signal, e.g. jamming, band suppression

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Networks Using Active Elements (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
BR8305653A 1982-11-22 1983-10-13 Sistema de controle de assinante BR8305653A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/443,546 US4580161A (en) 1982-11-22 1982-11-22 Cable television subscriber control system including addressable filters having a variable pole

Publications (1)

Publication Number Publication Date
BR8305653A true BR8305653A (pt) 1984-07-10

Family

ID=23761228

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8305653A BR8305653A (pt) 1982-11-22 1983-10-13 Sistema de controle de assinante

Country Status (7)

Country Link
US (1) US4580161A (pt)
EP (1) EP0109795A3 (pt)
JP (1) JPS59101989A (pt)
AU (1) AU556019B2 (pt)
BR (1) BR8305653A (pt)
CA (1) CA1216356A (pt)
ZA (1) ZA838655B (pt)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6090411A (ja) * 1983-10-07 1985-05-21 Hitachi Ltd フイルタ集積回路
US5258998A (en) * 1985-10-07 1993-11-02 Canon Kabushiki Kaisha Data communication apparatus permitting confidential communication
US4733209A (en) * 1986-06-27 1988-03-22 Augat Inc. Ceramic Scrambler module
US4792848A (en) * 1986-12-02 1988-12-20 Scientific-Atlanta, Inc. Cable television impulse pay per view system
DE3727864C1 (en) * 1987-08-20 1988-12-29 Robert Neuberger Enabling socket for providing authorised receivers with selected television programmes
DE3704405C1 (en) * 1987-02-12 1988-08-18 Robert Neuberger Release socket for supplying authorised receivers with selected television programmes
DE3727865C1 (en) * 1987-08-20 1988-12-29 Robert Neuberger Enabling socket for providing authorised receivers with selected television programmes
DE3728217C1 (en) * 1987-08-24 1989-03-09 Robert Neuberger Interface device for a cable television network interface point
AU626228B2 (en) * 1988-04-29 1992-07-23 Scientific-Atlanta, Inc. In-band controller
US5051822A (en) * 1989-10-19 1991-09-24 Interactive Television Systems, Inc. Telephone access video game distribution center
US5181107A (en) * 1989-10-19 1993-01-19 Interactive Television Systems, Inc. Telephone access information service distribution system
US5073930A (en) * 1989-10-19 1991-12-17 Green James A Method and system for receiving and distributing satellite transmitted television signals
DE69131400T2 (de) * 1990-11-27 2000-01-13 Blonder Tongue Lab Sperrsystemverfahren und -gerät für ein pro einschalten zu bezahlendes kabelfernsehprogramm
US5233652A (en) * 1991-02-19 1993-08-03 At&T Bell Laboratories Selective off-premises jamming for premium CATV service
US6122482A (en) * 1995-02-22 2000-09-19 Global Communications, Inc. Satellite broadcast receiving and distribution system
US5812928A (en) * 1995-04-12 1998-09-22 Watson Technologies Cable television control apparatus and method with channel access controller at node of network including channel filtering system
US7437571B1 (en) 2002-02-28 2008-10-14 The Directv Group, Inc. Dedicated nonvolatile memory
US7275163B2 (en) * 2002-02-28 2007-09-25 The Directv Group, Inc. Asynchronous configuration
US7457967B2 (en) * 2002-02-28 2008-11-25 The Directv Group, Inc. Hidden identification
US7475259B1 (en) 2002-02-28 2009-01-06 The Directv Group, Inc. Multiple nonvolatile memories
US20080127287A1 (en) * 2006-11-28 2008-05-29 John Mezzalingua Associates, Inc. Apparatus and method for embedding/detecting an auxiliary signal within a catv traffic stream

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1566990C3 (de) * 1967-05-08 1974-10-17 Robert Bosch Elektronik Gmbh, 1000 Berlin Und 7000 Stuttgart Hochselektives unsymmetrisches Sperrfilter
US3859457A (en) * 1971-05-24 1975-01-07 Digital Communications Inc Selective video reception inhibiting apparatus
US3934079A (en) * 1973-10-26 1976-01-20 Jerrold Electronics Corporation Bilateral communications system for distributing commerical and premium video signaling on an accountable basis
US4057829B1 (en) * 1973-12-18 1995-07-25 Spectradyne Inc Communication TV monitoring and control system
DE2425674B2 (de) * 1974-05-28 1976-06-10 Standard Elektrik Lorenz Ag, 7000 Stuttgart Nullstellenfilter
US4268860A (en) * 1974-09-25 1981-05-19 Blonder-Tongue Laboratories, Inc. Television subscriber apparatus
JPS51115718A (en) * 1975-02-24 1976-10-12 Pioneer Electronic Corp Bi-directional catv system
GB1554411A (en) * 1975-08-09 1979-10-17 Communications Patents Ltd Control systems
US3989887A (en) * 1975-08-28 1976-11-02 Gte Laboratories Incorporated Swept frequency trap jammer for secure television system
US4268859A (en) * 1977-05-19 1981-05-19 Ost Clarence S High-security cable television access system
US4322854A (en) * 1979-05-18 1982-03-30 Allan B. Bundens Data communications terminal
JPS5819087A (ja) * 1981-07-24 1983-02-03 Pioneer Electronic Corp Ｃａｔｖシステムにおけるデ−タ
US4450481A (en) * 1981-08-25 1984-05-22 E-Com Corporation Tamper-resistant, expandable communications system

Also Published As

Publication number Publication date
EP0109795A2 (en) 1984-05-30
EP0109795A3 (en) 1984-08-08
US4580161A (en) 1986-04-01
ZA838655B (en) 1984-08-29
CA1216356A (en) 1987-01-06
JPS59101989A (ja) 1984-06-12
AU556019B2 (en) 1986-10-16
AU1983183A (en) 1984-05-31

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Legal Events

Date Code Title Description
MM Lapse due to non-payment of fees (art. 50)