ES2054848T3 - Sistema de television de circuito cerrado que tiene programacion de television interactiva sin solucion de continuidad y participacion expansible de los usuarios. - Google Patents

Sistema de television de circuito cerrado que tiene programacion de television interactiva sin solucion de continuidad y participacion expansible de los usuarios.

Info

Publication number
ES2054848T3
ES2054848T3 ES88402701T ES88402701T ES2054848T3 ES 2054848 T3 ES2054848 T3 ES 2054848T3 ES 88402701 T ES88402701 T ES 88402701T ES 88402701 T ES88402701 T ES 88402701T ES 2054848 T3 ES2054848 T3 ES 2054848T3
Authority
ES
Spain
Prior art keywords
users
interface
expansible
participation
closed circuit
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.)
Expired - Lifetime
Application number
ES88402701T
Other languages
English (en)
Inventor
Michael J Freeman
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.)
ACTV Inc
Original Assignee
ACTV 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 ACTV Inc filed Critical ACTV Inc
Application granted granted Critical
Publication of ES2054848T3 publication Critical patent/ES2054848T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00Electrically-operated educational appliances
    • G09B5/06Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
    • G09B5/065Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B7/00Electrically-operated teaching apparatus or devices working with questions and answers
    • G09B7/02Electrically-operated teaching apparatus or devices working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student
    • G09B7/04Electrically-operated teaching apparatus or devices working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student characterised by modifying the teaching programme in response to a wrong answer, e.g. repeating the question, supplying a further explanation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/38Arrangements for distribution where lower stations, e.g. receivers, interact with the broadcast
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/53Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
    • H04H20/61Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for local area broadcast, e.g. instore broadcast
    • H04H20/63Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for local area broadcast, e.g. instore broadcast to plural spots in a confined site, e.g. MATV [Master Antenna Television]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65Arrangements characterised by transmission systems for broadcast
    • H04H20/76Wired systems
    • H04H20/77Wired systems using carrier waves
    • H04H20/78CATV [Community Antenna Television] systems
    • 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
    • H04H60/13Arrangements for device control affected by the broadcast information
    • 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
    • H04H60/29Arrangements for monitoring broadcast services or broadcast-related services
    • H04H60/33Arrangements for monitoring the users' behaviour or opinions

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Educational Administration (AREA)
  • Physics & Mathematics (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Multimedia (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Social Psychology (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Systems (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Studio Circuits (AREA)

Abstract

EL SISTEMA (10) SE PROVEE DE SEÑALES DE TELEVISION MULTICANAL DESDE UNA CABEZA LOCALIZADA (12) QUE SE USA PARA SELECCIONES INTERACTIVAS E INDIVIDUALIZADAS DE UN CONJUNTO DE USUARIOS (22, 24, 26). CADA ESTACION DEL USUARIO CONTIENE UN RECEPTOR DE TELEVISION CONVENCIONAL (32A, 32B, 32C) UN INTERFASE DE UN DISPOSITIVO DE SELECCION (30A,30BC,30C). LA INTERFASE Y EL DISPOSITIVO DE SELECCION (30) SE DISPONEN ENTRE EL RECEPTOR DE TELEVISION (32) Y EL AMPLIFICADOR DE DISTRIBUCION RF (36). EL NUMERO DE ESTACIONES DE USUARIOS (22,24,26) EN EL SISTEMA (10) ES VIRTUALMENTE LIMITADA. EL SISTEMA (10) DISPONE DE SEÑALES DE TELEVISION AUDIO/VIDEO (14,16,18,20) EN AL MENOS UNA ESTRUCTURA DE SINCRONIZACION PARA PERMITIR LA CONEXION DEL ENCENDIDO DEL VIDEO ENTRE LOS CANALES, LOS CUALES SE INTENSIFICAN A TRAVES DE UN PAR DE SINTONIZADORES EN LA CAJA DE SELECCION DE LA INTERFASE (30A,30B,30C) LAS CUALES SON COMANDADAS ALTERNATIVAMENTE PARA PRESINTONIZAR EL SIGUIENTE CANAL ESCOGIDO PERO UNA VEZ HECHO EL CAMBIOBAJO EL CONTROL DEL MICROPROCESADOR EN RESPUESTA A SEÑALES DE COMANDO INSERTADAS EN LAS SEÑALES DE TELEVISION QUE SE RECIBEN.
ES88402701T 1987-10-26 1988-10-26 Sistema de television de circuito cerrado que tiene programacion de television interactiva sin solucion de continuidad y participacion expansible de los usuarios. Expired - Lifetime ES2054848T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/113,017 US4918516A (en) 1987-10-26 1987-10-26 Closed circuit television system having seamless interactive television programming and expandable user participation

Publications (1)

Publication Number Publication Date
ES2054848T3 true ES2054848T3 (es) 1994-08-16

Family

ID=22347142

Family Applications (1)

Application Number Title Priority Date Filing Date
ES88402701T Expired - Lifetime ES2054848T3 (es) 1987-10-26 1988-10-26 Sistema de television de circuito cerrado que tiene programacion de television interactiva sin solucion de continuidad y participacion expansible de los usuarios.

Country Status (8)

Country Link
US (1) US4918516A (es)
EP (1) EP0314572B1 (es)
JP (1) JP2854005B2 (es)
AT (1) ATE105452T1 (es)
AU (1) AU610888B2 (es)
CA (2) CA1306053C (es)
DE (1) DE3889421T2 (es)
ES (1) ES2054848T3 (es)

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Publication number Publication date
EP0314572A3 (en) 1991-07-03
JP2854005B2 (ja) 1999-02-03
DE3889421T2 (de) 1994-08-25
DE3889421D1 (de) 1994-06-09
CA1333499E (en) 1994-12-13
AU610888B2 (en) 1991-05-30
JPH01302985A (ja) 1989-12-06
EP0314572A2 (en) 1989-05-03
EP0314572B1 (en) 1994-05-04
CA1306053C (en) 1992-08-04
US4918516A (en) 1990-04-17
ATE105452T1 (de) 1994-05-15
AU1631588A (en) 1989-04-27

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