ES2169981B1 - INTERACTIVE MULTIMEDIA SYSTEMS THAT INCLUDE RETURN CHANNEL. - Google Patents
INTERACTIVE MULTIMEDIA SYSTEMS THAT INCLUDE RETURN CHANNEL.Info
- Publication number
- ES2169981B1 ES2169981B1 ES200000220A ES200000220A ES2169981B1 ES 2169981 B1 ES2169981 B1 ES 2169981B1 ES 200000220 A ES200000220 A ES 200000220A ES 200000220 A ES200000220 A ES 200000220A ES 2169981 B1 ES2169981 B1 ES 2169981B1
- Authority
- ES
- Spain
- Prior art keywords
- return channel
- interactive multimedia
- multimedia systems
- include return
- satellite
- 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 - Fee Related
Links
Landscapes
- Radio Relay Systems (AREA)
Abstract
Sistemas multimedia interactivos que incluyen canal de retorno. Tiene por objeto la participación del usuario final en el funcionamiento del sistema. Se constituye mediante la asociación funcional de una estación principal (HUB), interface entre los proveedores de servicios y el satélite (S); y, estación/es secundaria/s (ES), que hace/n de interface entre las estaciones de usuario (EU) y el satélite (S) en el canal de retorno (CRE), estaciones de usuario (EU) que disponen de un modem que demodula la información del satélite (S).Interactive multimedia systems that include return channel. Its purpose is the participation of the end user in the operation of the system. It is constituted by the functional association of a main station (HUB), an interface between the service providers and the satellite (S); and, secondary station / s (ES), which acts as an interface between the user stations (EU) and the satellite (S) in the return channel (CRE), user stations (EU) that have a modem that demodulates satellite information (S).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200000220A ES2169981B1 (en) | 2000-02-02 | 2000-02-02 | INTERACTIVE MULTIMEDIA SYSTEMS THAT INCLUDE RETURN CHANNEL. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200000220A ES2169981B1 (en) | 2000-02-02 | 2000-02-02 | INTERACTIVE MULTIMEDIA SYSTEMS THAT INCLUDE RETURN CHANNEL. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2169981A1 ES2169981A1 (en) | 2002-07-16 |
ES2169981B1 true ES2169981B1 (en) | 2003-11-01 |
Family
ID=8492141
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES200000220A Expired - Fee Related ES2169981B1 (en) | 2000-02-02 | 2000-02-02 | INTERACTIVE MULTIMEDIA SYSTEMS THAT INCLUDE RETURN CHANNEL. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2169981B1 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5638399A (en) * | 1994-11-15 | 1997-06-10 | Stanford Telecommunications, Inc. | Multi-beam satellite communication system with user terminal frequencies having transceivers using the same set of frequency hopping |
US5991596A (en) * | 1996-10-24 | 1999-11-23 | Stanford Telecommunications, Inc. | Wireless request channel for use with information broadcast system |
FR2760584A1 (en) * | 1997-03-07 | 1998-09-11 | Philippe Daury | Central server and user communications method for interactive broadcasting |
US6105060A (en) * | 1997-09-05 | 2000-08-15 | Worldspace, Inc. | System for providing global portable internet access using low earth orbit satellite and satellite direct radio broadcast system |
JP3985204B2 (en) * | 1997-12-09 | 2007-10-03 | ソニー株式会社 | Information broadcasting method, receiver, information center, and receiving method |
-
2000
- 2000-02-02 ES ES200000220A patent/ES2169981B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2169981A1 (en) | 2002-07-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EC2A | Search report published |
Date of ref document: 20020716 Kind code of ref document: A1 Effective date: 20020716 |
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FD2A | Announcement of lapse in spain |
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