[go: up one dir, main page]

ES2096290T3 - Convertidor analogico-digital y bucle de realimentacion utilizado en el mismo. - Google Patents

Convertidor analogico-digital y bucle de realimentacion utilizado en el mismo.

Info

Publication number
ES2096290T3
ES2096290T3 ES93910096T ES93910096T ES2096290T3 ES 2096290 T3 ES2096290 T3 ES 2096290T3 ES 93910096 T ES93910096 T ES 93910096T ES 93910096 T ES93910096 T ES 93910096T ES 2096290 T3 ES2096290 T3 ES 2096290T3
Authority
ES
Spain
Prior art keywords
analog
voltage
digital converter
feedback loop
loop used
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
ES93910096T
Other languages
English (en)
Inventor
Eric Auffret
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.)
Vantiva SA
Original Assignee
Thomson Multimedia SA
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 Thomson Multimedia SA filed Critical Thomson Multimedia SA
Application granted granted Critical
Publication of ES2096290T3 publication Critical patent/ES2096290T3/es
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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/14—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit
    • H03M1/144—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit the steps being performed sequentially in a single stage, i.e. recirculation type
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/34—Analogue value compared with reference values
    • H03M1/36—Analogue value compared with reference values simultaneously only, i.e. parallel type
    • H03M1/361—Analogue value compared with reference values simultaneously only, i.e. parallel type having a separate comparator and reference value for each quantisation level, i.e. full flash converter type

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Analogue/Digital Conversion (AREA)
  • Picture Signal Circuits (AREA)

Abstract

LA PRESENTE INVENCION CONCIERNE A UN CONVERTIDOR ANALOGICO-NUMERICO DE TENSION QUE COMPRENDE 2N-1 COMPARADORES QUE PERMITEN GENERAR 2N NIVELES DE TENSION DIFERENTES CUANDO LA TENSION DE ENTRADA VARIA, Y UN CIRCUITO DE CODIFICACION BINARIA QUE COMPRENDE UNOS MEDIOS (2) PARA TRANSFORMAR LOS 2N NIVELES DE TENSION EN 2N CODIGOS BINARIOS QUE TIENEN CADA UNO N BITS DE RESOLUCION, CARACTERIZADO EN QUE COMPRENDE UNOS MEDIOS SUPLEMENTARIOS (20) QUE PERMITEN CODIFICAR LA TENSION CONTENIDA EN AL MENOS UN MARGEN DE VARIACION DE LA TENSION DE ENTRADA EN UNA INFORMACION QUE TIENE UN NUMERO DE BITS DE RESOLUCION SUPERIOR A N. LA INVENCION SE APLICA MAS PARTICULARMENTE EN LOS DISPOSITIVOS DE TRATAMIENTO DE LA SEÑAL VIDEO (TELEVISORES, MAGNETOSCOPIOS, CAMARAS...).
ES93910096T 1992-05-07 1993-05-07 Convertidor analogico-digital y bucle de realimentacion utilizado en el mismo. Expired - Lifetime ES2096290T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9205637A FR2691026B1 (fr) 1992-05-07 1992-05-07 Convertisseur analogique-numerique et boucle d'asservissement utilisant un tel convertisseur.

Publications (1)

Publication Number Publication Date
ES2096290T3 true ES2096290T3 (es) 1997-03-01

Family

ID=9429626

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93910096T Expired - Lifetime ES2096290T3 (es) 1992-05-07 1993-05-07 Convertidor analogico-digital y bucle de realimentacion utilizado en el mismo.

Country Status (8)

Country Link
US (1) US5537114A (es)
EP (1) EP0593729B1 (es)
JP (1) JPH06508972A (es)
DE (1) DE69305827T2 (es)
ES (1) ES2096290T3 (es)
FR (1) FR2691026B1 (es)
SG (1) SG63638A1 (es)
WO (1) WO1993022840A1 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100265753B1 (ko) * 1997-01-17 2000-10-02 윤종용 펜디지타이저제어장치및방법
US5881776A (en) * 1997-01-24 1999-03-16 Safety Components Fabric Technologies, Inc. Rapier woven low permeability air bag fabric
US6326935B1 (en) * 1999-09-28 2001-12-04 Gateway, Inc. Method and apparatus for changing the mode of a display apparatus
US20040004608A1 (en) * 2002-07-03 2004-01-08 Kinpo Electronics, Inc. Display device for reducing power consumption and protecting user's eyes
US7859441B2 (en) 2007-04-11 2010-12-28 Mediatek Inc. Data readout system having non-uniform ADC resolution and method thereof
JP2010278557A (ja) * 2009-05-26 2010-12-09 Panasonic Corp 並列補間型ａ／ｄ変換器及びディジタル等化装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3283319A (en) * 1960-08-25 1966-11-01 Nippon Electric Co Code converter
US4217574A (en) * 1976-08-09 1980-08-12 Gte Laboratories Incorporated Analog to digital converter having nonlinear amplitude transformation
USRE32313E (en) * 1979-09-10 1986-12-23 Hitachi, Ltd. Digital-to-analog converter and PCM encoder using the converter
GB2082410B (en) * 1980-08-23 1984-08-30 Plessey Co Ltd Analogue-to-digital converter
US4571574A (en) * 1982-09-30 1986-02-18 Witold Krynicki Analogue to digital converter
JPS61120530A (ja) * 1984-11-15 1986-06-07 Toshiba Corp アナログ・デジタル変換器
FR2626423A1 (fr) * 1988-01-21 1989-07-28 Inst Francais Du Petrole Dispositif d'acquisition pour la numerisation de signaux a grande dynamique
JPH0612879B2 (ja) * 1988-03-08 1994-02-16 ヤマハ株式会社 並列比較型アナログ・ディジタル変換器
US5087973A (en) * 1988-11-17 1992-02-11 Matsushita Electric Industrial Co., Ltd. Clamp signal processing apparatus
US5355135A (en) * 1989-01-30 1994-10-11 Linear Technology Corporation Semi-flash A/D converter using switched capacitor comparators
JP2543177B2 (ja) * 1989-03-24 1996-10-16 松下電器産業株式会社 クランプ装置と自動利得制御装置
JPH0456519A (ja) * 1990-06-26 1992-02-24 Mitsubishi Electric Corp Ａ／ｄ変換器
GB9205727D0 (en) * 1992-03-16 1992-04-29 Sarnoff David Res Center Averaging,flash analog to digital converter

Also Published As

Publication number Publication date
EP0593729A1 (fr) 1994-04-27
SG63638A1 (en) 1999-03-30
FR2691026B1 (fr) 1997-01-03
JPH06508972A (ja) 1994-10-06
US5537114A (en) 1996-07-16
DE69305827D1 (de) 1996-12-12
EP0593729B1 (fr) 1996-11-06
WO1993022840A1 (fr) 1993-11-11
DE69305827T2 (de) 1997-05-07
FR2691026A1 (fr) 1993-11-12

Similar Documents

Publication Publication Date Title
DE69321866D1 (de) Mehrpegelkodierung mit Trellis-kodierter Modulation und Reed-Solomon-Koden
ATE525822T1 (de) Verfahren zur kodierung und übertragung von formatkombinationsindikatoren
ATE175062T1 (de) Ad-wandler mit moduliertem zittersignal
DE69841705D1 (de) Verfahren und Vorrichtung zur Kodierung und Dekodierung sowie diese gebrauchende Anlage
EP0590800A3 (en) Image coding and decoding devices.
KR940008494A (ko) 가변길이 부호 디코더
ES2145059T3 (es) Codificacion y descodificacion de video con movimiento.
ES2096290T3 (es) Convertidor analogico-digital y bucle de realimentacion utilizado en el mismo.
DE69425298D1 (de) Einrichtung zur Kodierung/Dekodierung von n-bit Quellworten in entsprechende m-bit Kanalworte und umgekehrt
DE69225642D1 (de) System zur Kodierung und Übertragung von Bildern
DE69105220D1 (de) Fotoelektronen emittierendes Bauteil und Anwendungen hierfür.
DE3878008D1 (de) System zur erzeugung von orthogonalen koden, funkgeraete mit kodegenerator und kodegeneratoren fuer ein solches system.
DK0557061T3 (da) Omslutningskonstruktion til omslutning af kødprodukter
EP0593046A3 (en) Huffman code decoding circuit
FI924512A0 (fi) Foerfarande foer synkronisering av en pseudoslumpmaessig binaersekvens i en desscrambler
BR9713729A (pt) Codificação de nìveis múltiplos
ATE557391T1 (de) Modulationssystem
ES2103903T3 (es) Generador de octetos seudo-aleatorio.
ES2108060T3 (es) Composicion de agentes de barrido de halogenos.
KR890013899A (ko) 전류원 장치 및 디지탈-아날로그 변환기
NO924914D0 (no) Koding og dekoding av data
DK0610917T3 (da) Forfalskningsmodvirkende sikkerhedsanordning for dokumenter i almindelighed
ES2042708T3 (es) Dispositivo de descodificacion de se\ales codificadas en duobinario.
KR930017446A (ko) 움직임화상신호의 부호화장치
MX9702563A (es) Sistema para operar una lampara.

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 593729

Country of ref document: ES