CA2078561A1 - Methode de controle pour systeme de television par cable - Google Patents

Methode de controle pour systeme de television par cable

Info

Publication number
CA2078561A1
CA2078561A1 CA002078561A CA2078561A CA2078561A1 CA 2078561 A1 CA2078561 A1 CA 2078561A1 CA 002078561 A CA002078561 A CA 002078561A CA 2078561 A CA2078561 A CA 2078561A CA 2078561 A1 CA2078561 A1 CA 2078561A1
Authority
CA
Canada
Prior art keywords
remote units
data
ippv
per group
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.)
Abandoned
Application number
CA002078561A
Other languages
English (en)
Inventor
Jay Cauthern Mcmullan, Jr.
David Jonathan Naddor
Robert John Ii Beyers
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
Individual
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 Individual filed Critical Individual
Publication of CA2078561A1 publication Critical patent/CA2078561A1/fr
Abandoned legal-status Critical Current

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
    • H04N7/17309—Transmission or handling of upstream communications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing 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
    • H04N21/442—Monitoring 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
    • H04N21/44213—Monitoring of end-user related data
    • H04N21/44222—Analytics of user selections, e.g. selection of programs or purchase activity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/76—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet
    • H04H60/81—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself
    • H04H60/93—Wired transmission systems
    • H04H60/96—CATV systems
    • H04H60/97—CATV systems using uplink of the CATV systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting 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
    • H04L25/4904—Transmitting 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
    • H04L27/2276—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals using frequency multiplication or harmonic tracking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management 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
    • H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
    • H04N21/25866—Management of end-user data
    • H04N21/25891—Management of end-user data being end-user preferences
    • 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
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/12—Arrangements for observation, testing or troubleshooting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H2201/00—Aspects of broadcast communication
    • H04H2201/70—Aspects of broadcast communication characterised in that receivers can be addressed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/14—Arrangements for conditional access to broadcast information or to broadcast-related services
    • H04H60/21—Billing for the use of broadcast information or broadcast-related information
    • H04H60/22—Billing 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)
CA002078561A 1990-03-20 1991-03-20 Methode de controle pour systeme de television par cable Abandoned CA2078561A1 (fr)

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
US498,084 1990-03-20
US498,083 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
US562,675 1990-08-03

Publications (1)

Publication Number Publication Date
CA2078561A1 true CA2078561A1 (fr) 1991-09-21

Family

ID=27414087

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002078561A Abandoned CA2078561A1 (fr) 1990-03-20 1991-03-20 Methode de controle pour systeme de television par cable

Country Status (6)

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

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 (fr) * 2000-08-07 2002-02-14 Marconi Communications, Inc. Transmission optique de retour rf
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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5628577A (en) * 1979-08-16 1981-03-20 Pioneer Electronic Corp Data transmission method in catv system
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
US4868816A (en) * 1987-01-12 1989-09-19 The Furukawa Electric Co. Ltd. Polling communication method
JPS63215242A (ja) * 1987-03-04 1988-09-07 Toshiba Corp デ−タ収集方式
JPH063927B2 (ja) * 1987-04-10 1994-01-12 富士通株式会社 最適化ブロツクポ−リング方式

Also Published As

Publication number Publication date
AU641755B2 (en) 1993-09-30
EP0532507A1 (fr) 1993-03-24
BR9106266A (pt) 1992-12-01
AU7583991A (en) 1991-10-21
JPH05505915A (ja) 1993-08-26
WO1991015064A1 (fr) 1991-10-03
EP0532507A4 (en) 1993-05-05

Similar Documents

Publication Publication Date Title
EP0531302B1 (fr) Appareil de transmission de donnees d'abonnes a hautes frequences pour television par cable et procede de retour rf
EP0532503B1 (fr) Appareil de transmission de donnees d'abonnes a haute frequence de television par cable et procede d'etalonnage
EP0532504B1 (fr) Processeur de donnees a radiofrequence pour television par cable
AU669845B2 (en) Automatic frequency selection in a bi-directional cable television system
US5255086A (en) Method and apparatus for RF data transfer in a CATV system
AU669659B2 (en) Apparatus for generating and collecting viewing statistics
US5251324A (en) Method and apparatus for generating and collecting viewing statistics for remote terminals in a cable television system
US5045816A (en) Binary phase shift key modulator with programmable level control
CA2078561A1 (fr) Methode de controle pour systeme de television par cable

Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued
FZDE Discontinued

Effective date: 19980320