ATE91T1 - METHOD AND CIRCUIT ARRANGEMENT FOR DRIVING AN ELECTROLYTIC DISPLAY CELL USING LEAKAGE CURRENT FOR ERASE. - Google Patents

METHOD AND CIRCUIT ARRANGEMENT FOR DRIVING AN ELECTROLYTIC DISPLAY CELL USING LEAKAGE CURRENT FOR ERASE.

Info

Publication number
ATE91T1
ATE91T1 AT79400383T AT79400383T ATE91T1 AT E91 T1 ATE91 T1 AT E91T1 AT 79400383 T AT79400383 T AT 79400383T AT 79400383 T AT79400383 T AT 79400383T AT E91 T1 ATE91 T1 AT E91T1
Authority
AT
Austria
Prior art keywords
leakage current
display cell
erase
driving
periods
Prior art date
Application number
AT79400383T
Other languages
German (de)
Inventor
Gilles Delapierre
Robert Meyer
Original Assignee
Commissariat Energie Atomique
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 Commissariat Energie Atomique filed Critical Commissariat Energie Atomique
Application granted granted Critical
Publication of ATE91T1 publication Critical patent/ATE91T1/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on an electrochromic effect
    • G02F1/163—Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

A method of control for a metal halide electrolytic display cell consists in passing a control current through the cell in a first direction during periods of erasure and in the opposite direction during writing periods, a zero control current being maintained during periods of holding in the erased state and during periods of holding in the written state. A low leakage current is superimposed on the control current and passes through the cell in the first direction, at least during the periods of holding in the erased state.
AT79400383T 1978-06-19 1979-06-12 METHOD AND CIRCUIT ARRANGEMENT FOR DRIVING AN ELECTROLYTIC DISPLAY CELL USING LEAKAGE CURRENT FOR ERASE. ATE91T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7818222A FR2434449A1 (en) 1978-06-19 1978-06-19 METHOD FOR CONTROLLING AN ELECTROLYTIC DISPLAY CELL USING A LEAKAGE CURRENT FOR ERASING AND CIRCUIT IMPLEMENTING THIS METHOD
EP79400383A EP0006793B1 (en) 1978-06-19 1979-06-12 Method and circuit arrangement for controlling an electrolytic display cell by means of a leakage current for the bleaching

Publications (1)

Publication Number Publication Date
ATE91T1 true ATE91T1 (en) 1981-07-15

Family

ID=9209666

Family Applications (1)

Application Number Title Priority Date Filing Date
AT79400383T ATE91T1 (en) 1978-06-19 1979-06-12 METHOD AND CIRCUIT ARRANGEMENT FOR DRIVING AN ELECTROLYTIC DISPLAY CELL USING LEAKAGE CURRENT FOR ERASE.

Country Status (8)

Country Link
US (1) US4279475A (en)
EP (1) EP0006793B1 (en)
JP (1) JPS554092A (en)
AT (1) ATE91T1 (en)
CA (1) CA1130939A (en)
DE (1) DE2960422D1 (en)
ES (1) ES482165A1 (en)
FR (1) FR2434449A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2618570B1 (en) * 1987-07-24 1990-10-19 Warszawski Bernard LIGHT MODULATION PROCESS
FR2618566B1 (en) * 1987-07-24 1992-04-17 Warszawski Bernard LIGHT MODULATION CELL
FR2618571B1 (en) * 1987-07-24 1990-10-19 Warszawski Bernard LIGHT MODULATION MATERIAL AND MANUFACTURING METHODS
FR2618569B1 (en) * 1987-07-24 1989-12-22 Warszawski Bernard TECHNIQUE FOR MANUFACTURING A DEVICE FOR MODULATING LIGHT
FR2618568B1 (en) * 1987-07-24 1992-04-17 Warszawski Bernard METHOD FOR MANUFACTURING A DEVICE FOR MODULATING LIGHT
DE19818717A1 (en) * 1997-04-28 1998-10-29 Wisconsin Label Corp Electrochemical display and time measurement mechanism with migrating electrolyte
US5977773A (en) * 1997-08-15 1999-11-02 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Non-intrusive impedance-based cable tester
US6136468A (en) 1998-08-25 2000-10-24 Timer Technologies, Llc Electrochemical cell with deferred assembly

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH585913A5 (en) * 1974-01-31 1977-03-15 Suisse Horlogerie
JPS51140642A (en) * 1975-05-29 1976-12-03 Seiko Epson Corp Driving circuit
SU534990A1 (en) * 1975-12-22 1978-08-05 Латвинский Ордена Трудового Красного Знамени Государственный Университет Им.Петра Стучки Device for controlling electrochromium element
JPS5314598A (en) * 1976-07-26 1978-02-09 Sharp Corp Memory regeneration method of electrochromic display device
FR2403611A1 (en) * 1977-09-15 1979-04-13 Commissariat Energie Atomique CONTROL PROCESS OF AN ELECTROLYTIC DISPLAY CELL AND IMPLEMENTATION CIRCUIT

Also Published As

Publication number Publication date
ES482165A1 (en) 1980-08-16
EP0006793B1 (en) 1981-06-17
JPS554092A (en) 1980-01-12
EP0006793A1 (en) 1980-01-09
FR2434449A1 (en) 1980-03-21
US4279475A (en) 1981-07-21
DE2960422D1 (en) 1981-09-24
FR2434449B1 (en) 1982-02-05
CA1130939A (en) 1982-08-31

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee