AU641755B2 - Cable television radio frequency return method - Google Patents

Cable television radio frequency return method Download PDF

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Publication number
AU641755B2
AU641755B2 AU75839/91A AU7583991A AU641755B2 AU 641755 B2 AU641755 B2 AU 641755B2 AU 75839/91 A AU75839/91 A AU 75839/91A AU 7583991 A AU7583991 A AU 7583991A AU 641755 B2 AU641755 B2 AU 641755B2
Authority
AU
Australia
Prior art keywords
data
remote units
ippv
module
group
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
AU75839/91A
Other languages
English (en)
Other versions
AU7583991A (en
Inventor
Robert John II Beyers
Jay Cauthern McMullan Jr.
David Jonathan Naddor
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Scientific Atlanta LLC
Original Assignee
Scientific Atlanta LLC
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
Priority claimed from US07/498,084 external-priority patent/US5155590A/en
Priority claimed from US07/498,083 external-priority patent/US5235619A/en
Priority claimed from US07/562,675 external-priority patent/US5255086A/en
Application filed by Scientific Atlanta LLC filed Critical Scientific Atlanta LLC
Publication of AU7583991A publication Critical patent/AU7583991A/en
Application granted granted Critical
Publication of AU641755B2 publication Critical patent/AU641755B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/173Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309Transmission or handling of upstream communications
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44213Monitoring of end-user related data
    • H04N21/44222Analytics of user selections, e.g. selection of programs or purchase activity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H60/00Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/76Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet
    • H04H60/81Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself
    • H04H60/93Wired transmission systems
    • H04H60/96CATV systems
    • H04H60/97CATV systems using uplink of the CATV systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/38Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40Transmitting circuits; Receiving circuits
    • H04L25/49Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4904Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using self-synchronising codes, e.g. split-phase codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/18Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22Demodulator circuits; Receiver circuits
    • H04L27/227Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2275Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
    • H04L27/2276Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals using frequency multiplication or harmonic tracking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/02Channels characterised by the type of signal
    • H04L5/06Channels characterised by the type of signal the signals being represented by different frequencies
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/258Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
    • H04N21/25866Management of end-user data
    • H04N21/25891Management of end-user data being end-user preferences
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/10Adaptations for transmission by electrical cable
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/12Arrangements for observation, testing or troubleshooting
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H2201/00Aspects of broadcast communication
    • H04H2201/70Aspects of broadcast communication characterised in that receivers can be addressed
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H60/00Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/14Arrangements for conditional access to broadcast information or to broadcast-related services
    • H04H60/21Billing for the use of broadcast information or broadcast-related information
    • H04H60/22Billing for the use of broadcast information or broadcast-related information per use

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Social Psychology (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Graphics (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
AU75839/91A 1990-03-20 1991-03-20 Cable television radio frequency return method Ceased AU641755B2 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US07/498,084 US5155590A (en) 1990-03-20 1990-03-20 System for data channel level control
US498083 1990-03-20
US498084 1990-03-20
US07/498,083 US5235619A (en) 1990-03-20 1990-03-20 Cable television radio frequency subscriber data transmission apparatus and rf return method
US07/562,675 US5255086A (en) 1990-03-20 1990-08-03 Method and apparatus for RF data transfer in a CATV system
US562675 1990-08-03

Publications (2)

Publication Number Publication Date
AU7583991A AU7583991A (en) 1991-10-21
AU641755B2 true AU641755B2 (en) 1993-09-30

Family

ID=27414087

Family Applications (1)

Application Number Title Priority Date Filing Date
AU75839/91A Ceased AU641755B2 (en) 1990-03-20 1991-03-20 Cable television radio frequency return method

Country Status (6)

Country Link
EP (1) EP0532507A4 (pt)
JP (1) JPH05505915A (pt)
AU (1) AU641755B2 (pt)
BR (1) BR9106266A (pt)
CA (1) CA2078561A1 (pt)
WO (1) WO1991015064A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5155590A (en) * 1990-03-20 1992-10-13 Scientific-Atlanta, Inc. System for data channel level control
US5742591A (en) * 1995-06-07 1998-04-21 General Instrument Corporation Interference cancellation system for CATV return transmissions
WO2002013426A2 (en) * 2000-08-07 2002-02-14 Marconi Communications, Inc. Rf bidirectional optical transmission
TW573432B (en) * 2000-09-26 2004-01-21 Gen Instrument Corp Provisioning of cable modems with transmission frequency information
US7594242B2 (en) 2004-02-23 2009-09-22 The Nielsen Company (Us), Llc Methods and apparatus to detect an internally generated signal mode of a local media playback device
CN106326152B (zh) * 2016-08-25 2019-06-04 青岛海信电器股份有限公司 显示终端及其串行接口信号传输方法、装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4361903A (en) * 1979-08-16 1982-11-30 Pioneer Electronic Corporation Data transmission process in a CATV system
US4868816A (en) * 1987-01-12 1989-09-19 The Furukawa Electric Co. Ltd. Polling communication method
US5010329A (en) * 1987-04-10 1991-04-23 Fujitsu Limited Block polling data communication system having optimum block determination means

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5757057A (en) * 1980-09-24 1982-04-06 Fujitsu Ltd System for automatic gathering of office number
JPS62159938A (ja) * 1986-01-08 1987-07-15 Aichi Denshi Kk 有線テレビ注文集計方式
JPS63215242A (ja) * 1987-03-04 1988-09-07 Toshiba Corp デ−タ収集方式

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4361903A (en) * 1979-08-16 1982-11-30 Pioneer Electronic Corporation Data transmission process in a CATV system
US4868816A (en) * 1987-01-12 1989-09-19 The Furukawa Electric Co. Ltd. Polling communication method
US5010329A (en) * 1987-04-10 1991-04-23 Fujitsu Limited Block polling data communication system having optimum block determination means

Also Published As

Publication number Publication date
EP0532507A1 (en) 1993-03-24
BR9106266A (pt) 1992-12-01
AU7583991A (en) 1991-10-21
JPH05505915A (ja) 1993-08-26
CA2078561A1 (en) 1991-09-21
WO1991015064A1 (en) 1991-10-03
EP0532507A4 (en) 1993-05-05

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