MX9707242A - Modulo adaptador para sistemas de recepcion de emisiones de television directas al hogar. - Google Patents
Modulo adaptador para sistemas de recepcion de emisiones de television directas al hogar.Info
- Publication number
- MX9707242A MX9707242A MX9707242A MX9707242A MX9707242A MX 9707242 A MX9707242 A MX 9707242A MX 9707242 A MX9707242 A MX 9707242A MX 9707242 A MX9707242 A MX 9707242A MX 9707242 A MX9707242 A MX 9707242A
- Authority
- MX
- Mexico
- Prior art keywords
- band
- channel
- adapter
- digital
- television
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H40/00—Arrangements specially adapted for receiving broadcast information
- H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
- H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
- H04H40/90—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for satellite broadcast receiving
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
- H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Radio Relay Systems (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
Un adaptador (11) para un sistema de television de emisiones directas que permite que los propietarios de las antenas parabolicas existentes reciban tanto emisiones de television analogicas corrientes como nuevas emisiones de television digitales vía los satélites de banda C. El adaptador incluye un conmutador coaxial (21) para conmutar entre la television analogica y digital, un desmodulador ajustable (23) para conmutar selectivamente entre los transpondedores en los satélites de banda C; una unidad (25) selectora de canal para seleccionar el canal especificado por el usuario a partir de una corriente de bitios transferida por el desmodulador, un expansor (20) de canal para descomprimir la señal de video, y una unidad (29) de control para aceptar las ordenes de usuario y controlar la polarizacion de las señales recibidas, la direccion de la antena (1) de TVRO, la frecuencia del transpondedor desmodulada y el canal desmultiplexado. La capacidad para seleccionar el canal del usuario desde multiples canales disponibles en diferentes transpondedores y diferentes satélites permite la reasignacion dinámica de canales de television en base a consideraciones de eficiencia del sistema. El adaptador es capaz de servir simultáneamente a la TV analogica y digital tanto para el cable o TVRO y pequeñas antenas de banda C y permite una suave sin empates a los receptores de banda C digital con solo una caja. El adaptador se puede usar ventajosamente en union con el sistema de comunicacion por satélite de banda C o de banda Ku que usa una antena de recepcion relativamente pequeña mientras que opera dentro del ancho de banda designado por la FCC, corriente y que usa las configuraciones existentes de los satélites.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/409,981 US5649318A (en) | 1995-03-24 | 1995-03-24 | Apparatus for converting an analog c-band broadcast receiver into a system for simultaneously receiving analog and digital c-band broadcast television signals |
Publications (1)
Publication Number | Publication Date |
---|---|
MX9707242A true MX9707242A (es) | 1998-08-30 |
Family
ID=23622743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9707242A MX9707242A (es) | 1995-03-24 | 1997-09-23 | Modulo adaptador para sistemas de recepcion de emisiones de television directas al hogar. |
Country Status (12)
Country | Link |
---|---|
US (1) | US5649318A (es) |
EP (1) | EP0815689A4 (es) |
JP (1) | JPH11502687A (es) |
KR (3) | KR100425431B1 (es) |
CN (1) | CN1185259A (es) |
AU (1) | AU3232495A (es) |
BR (1) | BR9510561A (es) |
CA (1) | CA2215976A1 (es) |
HU (1) | HUT78099A (es) |
MX (1) | MX9707242A (es) |
PL (1) | PL322424A1 (es) |
WO (1) | WO1996031068A1 (es) |
Families Citing this family (58)
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US6430165B1 (en) * | 1998-08-07 | 2002-08-06 | Hughes Electronics Corporation | Method and apparatus for performing satellite selection in a broadcast communication system |
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US7668189B1 (en) | 1999-07-08 | 2010-02-23 | Thomson Licensing | Adaptive transport protocol |
JP2001103393A (ja) * | 1999-09-28 | 2001-04-13 | Sony Corp | 受信装置および方法、並びに記録媒体 |
US20030229897A1 (en) * | 2000-04-07 | 2003-12-11 | Live Tv, Inc. | Aircraft in-flight entertainment system providing passenger specific advertisements, and associated methods |
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US7707612B2 (en) * | 2000-04-07 | 2010-04-27 | Live Tv, Inc. | Aircraft in-flight entertainment system with soft fail and flight information features and associated methods |
US6748597B1 (en) | 2000-04-07 | 2004-06-08 | Live Tv, Inc. | Upgradable aircraft in-flight entertainment system and associated upgrading methods |
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US8803971B2 (en) * | 2000-04-07 | 2014-08-12 | Livetv, Llc | Aircraft system providing passenger entertainment and surveillance features, and associated methods |
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JP3942608B2 (ja) * | 2004-07-07 | 2007-07-11 | Necエレクトロニクス株式会社 | 衛星放送用コンバータのスイッチ回路 |
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US8009236B2 (en) | 2006-11-01 | 2011-08-30 | Level 3 Communications, Llc | Broadcast transmission relay circuit |
US8719875B2 (en) | 2006-11-06 | 2014-05-06 | The Directv Group, Inc. | Satellite television IP bitstream generator receiving unit |
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US9942618B2 (en) | 2007-10-31 | 2018-04-10 | The Directv Group, Inc. | SMATV headend using IP transport stream input and method for operating the same |
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CN108632655A (zh) * | 2017-03-25 | 2018-10-09 | 张祖豪 | 一种防视疲劳电视 |
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-
1995
- 1995-03-24 US US08/409,981 patent/US5649318A/en not_active Expired - Fee Related
- 1995-06-26 KR KR10-2003-7005998A patent/KR100425431B1/ko not_active IP Right Cessation
- 1995-06-26 EP EP95928645A patent/EP0815689A4/en not_active Withdrawn
- 1995-06-26 KR KR1019970706666A patent/KR100422239B1/ko not_active IP Right Cessation
- 1995-06-26 AU AU32324/95A patent/AU3232495A/en not_active Abandoned
- 1995-06-26 KR KR10-2003-7005999A patent/KR100425433B1/ko not_active IP Right Cessation
- 1995-06-26 PL PL95322424A patent/PL322424A1/xx unknown
- 1995-06-26 JP JP8529307A patent/JPH11502687A/ja active Pending
- 1995-06-26 CA CA002215976A patent/CA2215976A1/en not_active Abandoned
- 1995-06-26 BR BR9510561A patent/BR9510561A/pt unknown
- 1995-06-26 WO PCT/US1995/008160 patent/WO1996031068A1/en active IP Right Grant
- 1995-06-26 HU HU9902052A patent/HUT78099A/hu unknown
- 1995-06-26 CN CN95197865A patent/CN1185259A/zh active Pending
-
1997
- 1997-09-23 MX MX9707242A patent/MX9707242A/es unknown
Also Published As
Publication number | Publication date |
---|---|
AU3232495A (en) | 1996-10-16 |
EP0815689A4 (en) | 2000-07-05 |
KR19980703262A (ko) | 1998-10-15 |
WO1996031068A1 (en) | 1996-10-03 |
US5649318A (en) | 1997-07-15 |
JPH11502687A (ja) | 1999-03-02 |
KR100425431B1 (ko) | 2004-03-31 |
EP0815689A1 (en) | 1998-01-07 |
KR20040004423A (ko) | 2004-01-13 |
PL322424A1 (en) | 1998-01-19 |
CA2215976A1 (en) | 1996-10-03 |
KR20040004424A (ko) | 2004-01-13 |
KR100425433B1 (ko) | 2004-03-31 |
KR100422239B1 (ko) | 2004-06-04 |
HUT78099A (hu) | 1999-10-28 |
BR9510561A (pt) | 1999-08-10 |
CN1185259A (zh) | 1998-06-17 |
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