MX9305651A - Aparato controlador de excitacion para un seccionador de datos en un descodificador de informacion de video auxiliar. - Google Patents
Aparato controlador de excitacion para un seccionador de datos en un descodificador de informacion de video auxiliar.Info
- Publication number
- MX9305651A MX9305651A MX9305651A MX9305651A MX9305651A MX 9305651 A MX9305651 A MX 9305651A MX 9305651 A MX9305651 A MX 9305651A MX 9305651 A MX9305651 A MX 9305651A MX 9305651 A MX9305651 A MX 9305651A
- Authority
- MX
- Mexico
- Prior art keywords
- level
- disconnector
- sectioning
- video information
- data
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
- H04N7/087—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/025—Systems for the transmission of digital non-picture data, e.g. of text during the active part of a television frame
- H04N7/035—Circuits for the digital non-picture data signal, e.g. for slicing of the data signal, for regeneration of the data-clock signal, for error detection or correction of the data signal
- H04N7/0355—Circuits for the digital non-picture data signal, e.g. for slicing of the data signal, for regeneration of the data-clock signal, for error detection or correction of the data signal for discrimination of the binary level of the digital data, e.g. amplitude slicers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
- H04N5/18—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Systems (AREA)
- Picture Signal Circuits (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Control Of Amplification And Gain Control (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
Un descodificador de información de video auxiliar, por extraer una señal de información de video auxiliar desde una señal de video, incluye un seccionador de datos (230) y un aparato (200, 220, 250,), para ajustar el nivel de seccionamiento del seccionador de datos. El nivel de seccionamiento se ajusta rápidamente hasta que se detecte un componente de referencia de la señal de información auxilia, durante un intervalo de exhibición de la señal de video, en el cual se espera que ocurra la información de video auxiliar. Se incrementa una cuenta después de los intervalos de exhibición en los que se detecta el componente de interferencia, y se decrementa después de los intervalos de exhibición en los cuales no se detecta el componente de referencia. El ajuste de nivel de seccionamiento cesa cuando la cuenta está en un número predeterminado. El aparato se adapta rápidamente a nivel de seccionamiento, a los cambios en la amplitud de señal de video de largo plazo, de magnitud significativa (por ejemplo), después de un cambio de canal), y mantiene un nivel de sección constante cuando ocurren variaciones transitorias en la amplitud de la cañal de video.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB929219505A GB9219505D0 (en) | 1992-09-15 | 1992-09-15 | Bias control apparatus for a data slicer in an auxiliary video information decoder |
Publications (1)
Publication Number | Publication Date |
---|---|
MX9305651A true MX9305651A (es) | 1994-06-30 |
Family
ID=10721941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9305651A MX9305651A (es) | 1992-09-15 | 1993-09-14 | Aparato controlador de excitacion para un seccionador de datos en un descodificador de informacion de video auxiliar. |
Country Status (12)
Country | Link |
---|---|
EP (1) | EP0660989B1 (es) |
JP (1) | JP3289107B2 (es) |
KR (1) | KR100341997B1 (es) |
CN (1) | CN1041484C (es) |
CA (1) | CA2143199C (es) |
DE (1) | DE69316226T2 (es) |
ES (1) | ES2111171T3 (es) |
GB (1) | GB9219505D0 (es) |
MX (1) | MX9305651A (es) |
MY (1) | MY110360A (es) |
SG (1) | SG94679A1 (es) |
WO (1) | WO1994007334A1 (es) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR0164563B1 (ko) * | 1993-07-23 | 1999-03-20 | 김광호 | 데이타 분리 회로 |
US5748263A (en) * | 1995-03-07 | 1998-05-05 | Ball; Bradley E. | System for automatically producing infrared control signals |
US5900913A (en) * | 1995-09-26 | 1999-05-04 | Thomson Consumer Electronics, Inc. | System providing standby operation of an auxiliary data decoder in a television receiver |
CA2188707C (en) | 1995-11-13 | 2000-08-01 | Aaron Hal Dinwiddie | System providing freeze of closed captioning data |
KR100466456B1 (ko) * | 1996-09-11 | 2005-04-06 | 마츠시타 덴끼 산교 가부시키가이샤 | 데이터의 제시를 제어하는 데이터 제시 제어 장치, 데이터의 제시를 제어하기 위해 이용하는 정보를 송신하는 데이터 송신 장치 및 데이터의 제시를 제어하기 위해 이용하는 정보를 편집하기 위한 데이터 제시 제어정보 편집장치 |
JPH11199864A (ja) | 1997-10-10 | 1999-07-27 | Koto Gijutsu Kenkyuin Kenkyu Kumiai | 電気発光素子の製造方法 |
JP3788253B2 (ja) | 2001-03-12 | 2006-06-21 | ソニー株式会社 | データスライス回路 |
EP1594307A3 (en) * | 2004-05-07 | 2006-03-22 | Nikon Corporation | Clamp level adjusting apparatus, electronic camera, image processing apparatus, and image processing program |
KR101482642B1 (ko) * | 2007-05-16 | 2015-01-15 | 톰슨 라이센싱 | 다중-뷰 비디오 코딩(mvc) 정보의 디코딩에 슬라이스 그룹들을 이용하기 위한 방법 및 장치 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0144457B1 (de) * | 1983-12-07 | 1987-11-11 | Deutsche ITT Industries GmbH | Daten-Slicer-Schaltung zur Abtrennung und Wiedergewinnung von digitalen Teletextsignalen |
US4620227A (en) * | 1984-01-30 | 1986-10-28 | Cybernetic Data Products | Data decoder |
JPS6143886A (ja) * | 1984-08-08 | 1986-03-03 | Hitachi Ltd | デ−タ識別回路 |
FR2652697A1 (fr) * | 1989-10-03 | 1991-04-05 | Sgs Thomson Microelectronics | Extracteur de donnees numeriques dans un signal video. |
-
1992
- 1992-09-15 GB GB929219505A patent/GB9219505D0/en active Pending
-
1993
- 1993-07-29 JP JP50807294A patent/JP3289107B2/ja not_active Expired - Fee Related
- 1993-07-29 CA CA002143199A patent/CA2143199C/en not_active Expired - Fee Related
- 1993-07-29 WO PCT/US1993/007163 patent/WO1994007334A1/en active IP Right Grant
- 1993-07-29 KR KR1019950701007A patent/KR100341997B1/ko not_active IP Right Cessation
- 1993-07-29 ES ES93918512T patent/ES2111171T3/es not_active Expired - Lifetime
- 1993-07-29 SG SG9602266A patent/SG94679A1/en unknown
- 1993-07-29 EP EP93918512A patent/EP0660989B1/en not_active Expired - Lifetime
- 1993-07-29 DE DE69316226T patent/DE69316226T2/de not_active Expired - Lifetime
- 1993-09-04 MY MYPI93001799A patent/MY110360A/en unknown
- 1993-09-14 MX MX9305651A patent/MX9305651A/es not_active IP Right Cessation
- 1993-09-14 CN CN93117702A patent/CN1041484C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO1994007334A1 (en) | 1994-03-31 |
CN1086067A (zh) | 1994-04-27 |
EP0660989A1 (en) | 1995-07-05 |
GB9219505D0 (en) | 1992-10-28 |
CN1041484C (zh) | 1998-12-30 |
MY110360A (en) | 1998-04-30 |
JPH08501423A (ja) | 1996-02-13 |
ES2111171T3 (es) | 1998-03-01 |
DE69316226D1 (de) | 1998-02-12 |
EP0660989B1 (en) | 1998-01-07 |
JP3289107B2 (ja) | 2002-06-04 |
KR100341997B1 (ko) | 2003-02-17 |
KR950703836A (ko) | 1995-09-20 |
SG94679A1 (en) | 2003-03-18 |
CA2143199A1 (en) | 1994-03-31 |
DE69316226T2 (de) | 1998-04-16 |
CA2143199C (en) | 1999-07-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Grant or registration | ||
MM | Annulment or lapse due to non-payment of fees |