FR2440643A1 - Systeme de generation et d'autocontrole de la forme d'onde et de la tension ou du courant applicable a des procedes de coloration electrolytique de l'aluminium anodise - Google Patents

Systeme de generation et d'autocontrole de la forme d'onde et de la tension ou du courant applicable a des procedes de coloration electrolytique de l'aluminium anodise

Info

Publication number
FR2440643A1
FR2440643A1 FR7926923A FR7926923A FR2440643A1 FR 2440643 A1 FR2440643 A1 FR 2440643A1 FR 7926923 A FR7926923 A FR 7926923A FR 7926923 A FR7926923 A FR 7926923A FR 2440643 A1 FR2440643 A1 FR 2440643A1
Authority
FR
France
Prior art keywords
waveform
electrolytic coloring
self
voltage
controlling
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.)
Granted
Application number
FR7926923A
Other languages
English (en)
Other versions
FR2440643B1 (fr
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.)
Empresa Nacional del Aluminio SA ENDASA
Original Assignee
Empresa Nacional del Aluminio SA ENDASA
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 Empresa Nacional del Aluminio SA ENDASA filed Critical Empresa Nacional del Aluminio SA ENDASA
Publication of FR2440643A1 publication Critical patent/FR2440643A1/fr
Application granted granted Critical
Publication of FR2440643B1 publication Critical patent/FR2440643B1/fr
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00Processes for servicing or operating cells for electrolytic coating
    • C25D21/12Process control or regulation
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05FSYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10Regulating voltage or current
    • G05F1/12Regulating voltage or current wherein the variable actually regulated by the final control device is ac
    • G05F1/40Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices
    • G05F1/44Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only
    • G05F1/445Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only being transistors in series with the load
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S204/00Chemistry: electrical and wave energy
    • Y10S204/09Wave forms

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Power Engineering (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Control Of Voltage And Current In General (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Prevention Of Electric Corrosion (AREA)

Abstract

SYSTEME DE GENERATION ET D'AUTOCONTROLE DE LA FORME D'ONDE ET DE LA TENSION OU DU COURANT APPLICABLE A DES PROCEDES DE COLORATION ELECTROLYTIQUE DE L'ALUMINIUM ANODISE. LE SYSTEME SELON LA PRESENTE INVENTION COMPREND: UNE SOURCE DE COURANT CONTINU SYMETRIQUE 4; UN ETAGE DE CONTROLE DE PUISSANCE 10, CONTROLANT LES SIGNAUX POSITIF ET NEGATIF APPLIQUES A LA CHARGE A COLORER PLACEE DANS LA CUVE 9; ET UN AMPLIFICATEUR OPERATIONNEL 11 AUQUEL ON APPLIQUE LE SIGNAL EXISTANT ENTRE LES ELECTRODES DE LA CUVE 9 APRES TRAITEMENT DANS DISPOSITIF EXTERIEUR 13. APPLICATION: PROCEDES DE COLORATION ELECTROLYTIQUES.
FR7926923A 1978-10-31 1979-10-30 Systeme de generation et d'autocontrole de la forme d'onde et de la tension ou du courant applicable a des procedes de coloration electrolytique de l'aluminium anodise Granted FR2440643A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES474736A ES474736A1 (es) 1978-10-31 1978-10-31 Sistema de generacion y autocontrol de la forma de onda y - tension o corriente aplicable a procesos de coloracion elec-trolitica del aluminio anodizado.

Publications (2)

Publication Number Publication Date
FR2440643A1 true FR2440643A1 (fr) 1980-05-30
FR2440643B1 FR2440643B1 (fr) 1984-03-16

Family

ID=8477031

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7926923A Granted FR2440643A1 (fr) 1978-10-31 1979-10-30 Systeme de generation et d'autocontrole de la forme d'onde et de la tension ou du courant applicable a des procedes de coloration electrolytique de l'aluminium anodise

Country Status (39)

Country Link
US (1) US4338176A (fr)
JP (1) JPS5569299A (fr)
KR (1) KR840002602Y1 (fr)
AR (1) AR221111A1 (fr)
AT (1) AT374636B (fr)
AU (1) AU516345B2 (fr)
BE (1) BE879658A (fr)
BG (1) BG33299A3 (fr)
BR (1) BR7907025A (fr)
CA (1) CA1146237A (fr)
CH (1) CH652151A5 (fr)
CU (1) CU21008A (fr)
DD (1) DD146968A5 (fr)
DE (1) DE2941191C2 (fr)
DK (1) DK458879A (fr)
EG (1) EG13767A (fr)
ES (1) ES474736A1 (fr)
FR (1) FR2440643A1 (fr)
GB (1) GB2034083B (fr)
GR (1) GR72852B (fr)
HU (1) HU179456B (fr)
IE (1) IE48978B1 (fr)
IN (1) IN153192B (fr)
IS (1) IS1160B6 (fr)
IT (1) IT1119243B (fr)
LU (1) LU81827A1 (fr)
MA (1) MA18625A1 (fr)
MX (1) MX146914A (fr)
NL (1) NL7907753A (fr)
NO (1) NO152578C (fr)
NZ (1) NZ191972A (fr)
OA (1) OA06358A (fr)
PL (1) PL121986B1 (fr)
PT (1) PT70370A (fr)
RO (1) RO80666A (fr)
SE (1) SE7908982L (fr)
TR (1) TR20677A (fr)
YU (1) YU264879A (fr)
ZA (1) ZA795553B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4441967A (en) * 1982-12-23 1984-04-10 The United States Of America As Represented By The Secretary Of The Army Method of passivating mercury cadmium telluride using modulated DC anodization
DE3718741A1 (de) * 1986-07-23 1988-02-04 Henkel Kgaa Verfahren und schaltungsanordnung zur elektrolytischen einfaerbung anodisierter aluminiumoberflaechen
DE3743113A1 (de) * 1987-12-18 1989-06-29 Gartner & Co J Verfahren zum elektrolytischen faerben von anodisch erzeugten oxidschichten auf aluminium und aluminiumlegierungen
ES2048612B1 (es) * 1991-04-11 1995-07-01 Novamax Tech Holdings Mejoras introducidas en los sistemas de generacion y control de corriente para procesos electroliticos>
US5899709A (en) * 1992-04-07 1999-05-04 Semiconductor Energy Laboratory Co., Ltd. Method for forming a semiconductor device using anodic oxidation
US6146515A (en) * 1998-12-16 2000-11-14 Tecnu, Inc. Power supply and method for producing non-periodic complex waveforms
AU2002224434A8 (en) * 2000-10-18 2006-11-02 Tecnu Inc Electrochemical processing power device
US7986869B2 (en) 2005-04-22 2011-07-26 Shell Oil Company Varying properties along lengths of temperature limited heaters
WO2007111642A2 (fr) * 2005-10-24 2007-10-04 Shell Internationale Research Maatschappij B.V. Systemes, procedes et modes de realisation utilises lors du traitement de formations souterraines
JP5166402B2 (ja) 2006-04-21 2013-03-21 シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ 炭化水素含有地層内の多重層の時系列加熱
US7866388B2 (en) 2007-10-19 2011-01-11 Shell Oil Company High temperature methods for forming oxidizer fuel
CN105177667B (zh) * 2015-10-19 2018-06-26 广东坚美铝型材厂(集团)有限公司 着色控制方法及系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2011376A1 (fr) * 1968-06-21 1970-02-27 Gedde Ove
DE2425625A1 (de) * 1974-05-27 1975-12-04 Cillichemie Hochspannungsgenerator insbesondere fuer kapazitive lasten wie ozongeneratoren
FR2301957A1 (fr) * 1975-02-21 1976-09-17 Roband Electronics Ltd Dispositif generateur de courant alternatif a forme d'onde predeterminee de maniere precise
US4099109A (en) * 1976-10-01 1978-07-04 Westinghouse Electric Corp. Digital apparatus for synthesizing pulse width modulated waveforms and digital pulse width modulated control system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3550025A (en) * 1968-10-16 1970-12-22 David S Stodolsky Class b transistor power amplifier
US3875496A (en) * 1974-03-13 1975-04-01 Glenayre Electronics Ltd Static inverter using multiple signal control loops
US3983014A (en) * 1974-12-16 1976-09-28 The Scionics Corporation Anodizing means and techniques
ES437604A1 (es) * 1975-05-12 1977-01-16 Empresa Nacional Aluminio Sistema de autocontrol y regulacion del valor medio de la tension aplicada en procesos de coloracion electrolitica de aluminio anodizado.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2011376A1 (fr) * 1968-06-21 1970-02-27 Gedde Ove
DE2425625A1 (de) * 1974-05-27 1975-12-04 Cillichemie Hochspannungsgenerator insbesondere fuer kapazitive lasten wie ozongeneratoren
FR2301957A1 (fr) * 1975-02-21 1976-09-17 Roband Electronics Ltd Dispositif generateur de courant alternatif a forme d'onde predeterminee de maniere precise
US4099109A (en) * 1976-10-01 1978-07-04 Westinghouse Electric Corp. Digital apparatus for synthesizing pulse width modulated waveforms and digital pulse width modulated control system

Also Published As

Publication number Publication date
HU179456B (en) 1982-10-28
RO80666A (fr) 1982-12-06
KR840002602Y1 (ko) 1984-12-10
IE792076L (en) 1980-04-30
FR2440643B1 (fr) 1984-03-16
GB2034083A (en) 1980-05-29
ES474736A1 (es) 1979-04-01
AT374636B (de) 1984-05-10
NL7907753A (nl) 1980-05-02
CH652151A5 (de) 1985-10-31
AU5158779A (en) 1980-05-22
OA06358A (fr) 1981-06-30
JPS5569299A (en) 1980-05-24
IT1119243B (it) 1986-03-03
ATA678779A (de) 1983-09-15
BE879658A (fr) 1980-02-15
KR840006010U (ko) 1984-11-10
NO152578C (no) 1985-10-16
CU21008A (es) 1981-09-09
GB2034083B (en) 1983-04-13
NO793487L (no) 1980-05-02
MA18625A1 (fr) 1980-07-01
DD146968A5 (de) 1981-03-11
BR7907025A (pt) 1980-06-24
DE2941191A1 (de) 1980-05-08
GR72852B (fr) 1983-12-08
MX146914A (es) 1982-09-07
TR20677A (tr) 1982-04-02
CA1146237A (fr) 1983-05-10
ZA795553B (en) 1980-09-24
PL219301A1 (fr) 1980-08-11
IS2514A7 (is) 1980-05-02
DK458879A (da) 1980-05-01
IN153192B (fr) 1984-06-16
DE2941191C2 (de) 1983-08-18
AR221111A1 (es) 1980-12-30
EG13767A (en) 1982-09-30
IE48978B1 (en) 1985-06-26
US4338176A (en) 1982-07-06
PT70370A (fr) 1979-11-01
IS1160B6 (is) 1984-05-10
PL121986B1 (en) 1982-06-30
BG33299A3 (en) 1983-01-14
AU516345B2 (en) 1981-05-28
NO152578B (no) 1985-07-08
YU264879A (en) 1982-06-30
SE7908982L (sv) 1980-05-01
IT7969039A0 (it) 1979-10-19
LU81827A1 (fr) 1980-01-25
NZ191972A (en) 1983-05-31

Similar Documents

Publication Publication Date Title
FR2440643A1 (fr) Systeme de generation et d'autocontrole de la forme d'onde et de la tension ou du courant applicable a des procedes de coloration electrolytique de l'aluminium anodise
SE8803718D0 (sv) Head lamp control method & apparatus
DE69333400D1 (de) Verfahren zur Verbesserung der Leistung von elektrochemischen Sensoren
KR920001194A (ko) 효소전극 활성 유지방법 및 그 장치
SU581948A2 (ru) Устройство-ева дл обезболивани при родах
ES8203639A1 (es) Aparato para regenerar el lecho de intercambio de iones de un ablandador de agua
KR880004824A (ko) 저주파 전기자극신호 발생방법 및 장치
CH624821B (de) Elektrochrome anzeigevorrichtung mit einer zusatzelektrode und verfahren zur auffrischung des anzeigezustands einer solchen anzeigevorrichtung.
FR2324761A1 (fr) Procede et dispositif pour l'alimentation en courant electrique des cuves d'electrolyse ignee placees en travers
GB1196887A (en) A Method of and Means for Establishing and for Making Quantitative Determinations of Zones Occuring in Electrophoresis.
SE8704069L (sv) Anordning foer minor
BE817477A (fr) Procede et dispositif pour la detection des court-circuits et l'equilibrage du courant dans des cellules d'electrolyse
FR2425064A1 (fr) Procede et dispositif pour controler l'evolution de l'etat de surface d'un element metallique d'une installation contenant une phase ionique
GB1212890A (en) Improvements in or relating to coulometric titration apparatus
AU586235B2 (en) Assay for salicylate and apparatus for performing same
FR2400200A1 (fr) Dispositif et procede pour la detection et le dosage semi-quantitatif en continu d'elements mineraux et organiques presents en solutions aqueuses diluees
SU507871A1 (ru) Релейно-импульсный операционный преобразователь
SU942678A1 (ru) Устройство дл электропунктуры и электростимул ции
SU569663A1 (ru) Устройство дл централизованного контрол электрохимических параметров алюминиевых электролизеров
TW263559B (en) Detecting method of electric particle in water solution and equipment thereof
JPS57176430A (en) Current detector
ES462595A1 (es) Procedimiento para el coloreado inorganico del aluminio y sus aleaciones.
FR2116437A1 (en) Rectified current feed system - for electrolysis plant electrodes
JPS5585845A (en) Hot water system
JPS5565396A (en) Electrolytic coloring method of aluminum or its alloy

Legal Events

Date Code Title Description
ST Notification of lapse