DE3889421D1 - Betriebsfernsehsystem mit nahtloser interaktiver Fernsehprogammierung und mit erweiterungsfähiger Teilnahme. - Google Patents

Betriebsfernsehsystem mit nahtloser interaktiver Fernsehprogammierung und mit erweiterungsfähiger Teilnahme.

Info

Publication number
DE3889421D1
DE3889421D1 DE3889421T DE3889421T DE3889421D1 DE 3889421 D1 DE3889421 D1 DE 3889421D1 DE 3889421 T DE3889421 T DE 3889421T DE 3889421 T DE3889421 T DE 3889421T DE 3889421 D1 DE3889421 D1 DE 3889421D1
Authority
DE
Germany
Prior art keywords
television
interface
participation
expandable
selection device
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
DE3889421T
Other languages
English (en)
Other versions
DE3889421T2 (de
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
Publication of DE3889421D1 publication Critical patent/DE3889421D1/de
Application granted granted Critical
Publication of DE3889421T2 publication Critical patent/DE3889421T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
    • G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B7/00—Electrically-operated teaching apparatus or devices working with questions and answers
    • G09B7/02—Electrically-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
    • G09B7/04—Electrically-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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/38—Arrangements for distribution where lower stations, e.g. receivers, interact with the broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
    • H04H20/61—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for local area broadcast, e.g. instore broadcast
    • H04H20/63—Arrangements 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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/76—Wired systems
    • H04H20/77—Wired systems using carrier waves
    • H04H20/78—CATV [Community Antenna Television] systems
    • 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
    • H04H60/13—Arrangements for device control affected by the broadcast information
    • 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
    • H04H60/29—Arrangements for monitoring broadcast services or broadcast-related services
    • H04H60/33—Arrangements for monitoring the users' behaviour or opinions
DE3889421T 1987-10-26 1988-10-26 Betriebsfernsehsystem mit nahtloser interaktiver Fernsehprogammierung und mit erweiterungsfähiger Teilnahme. Expired - Lifetime DE3889421T2 (de)

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 (2)

Publication Number Publication Date
DE3889421D1 true DE3889421D1 (de) 1994-06-09
DE3889421T2 DE3889421T2 (de) 1994-08-25

Family

ID=22347142

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3889421T Expired - Lifetime DE3889421T2 (de) 1987-10-26 1988-10-26 Betriebsfernsehsystem mit nahtloser interaktiver Fernsehprogammierung und mit erweiterungsfähiger Teilnahme.

Country Status (8)

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

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Also Published As

Publication number Publication date
CA1306053C (en) 1992-08-04
AU1631588A (en) 1989-04-27
JPH01302985A (ja) 1989-12-06
DE3889421T2 (de) 1994-08-25
CA1333499E (en) 1994-12-13
US4918516A (en) 1990-04-17
JP2854005B2 (ja) 1999-02-03
EP0314572B1 (de) 1994-05-04
ES2054848T3 (es) 1994-08-16
ATE105452T1 (de) 1994-05-15
EP0314572A3 (de) 1991-07-03
EP0314572A2 (de) 1989-05-03
AU610888B2 (en) 1991-05-30

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