FR2293021B2 - - Google Patents

Info

Publication number
FR2293021B2
FR2293021B2 FR7439150A FR7439150A FR2293021B2 FR 2293021 B2 FR2293021 B2 FR 2293021B2 FR 7439150 A FR7439150 A FR 7439150A FR 7439150 A FR7439150 A FR 7439150A FR 2293021 B2 FR2293021 B2 FR 2293021B2
Authority
FR
France
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
Application number
FR7439150A
Other versions
FR2293021A2 (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.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid Co
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 American Cyanamid Co filed Critical American Cyanamid Co
Priority to FR7439150A priority Critical patent/FR2293021A2/fr
Publication of FR2293021A2 publication Critical patent/FR2293021A2/fr
Application granted granted Critical
Publication of FR2293021B2 publication Critical patent/FR2293021B2/fr
Granted legal-status Critical Current

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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0023—Visual time or date indication means by light valves in general
    • G04G9/0029—Details
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
FR7439150A 1974-11-29 1974-11-29 Appareil utilisant l'electrochromisme Granted FR2293021A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7439150A FR2293021A2 (fr) 1974-11-29 1974-11-29 Appareil utilisant l'electrochromisme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7439150A FR2293021A2 (fr) 1974-11-29 1974-11-29 Appareil utilisant l'electrochromisme

Publications (2)

Publication Number Publication Date
FR2293021A2 FR2293021A2 (fr) 1976-06-25
FR2293021B2 true FR2293021B2 (fr) 1979-10-12

Family

ID=9145379

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7439150A Granted FR2293021A2 (fr) 1974-11-29 1974-11-29 Appareil utilisant l'electrochromisme

Country Status (1)

Country Link
FR (1) FR2293021A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1513999A (en) * 1976-12-22 1978-06-14 Ibm Electrochromic display device
US4389659A (en) * 1980-09-17 1983-06-21 Xerox Corporation Electro-optic line printer

Also Published As

Publication number Publication date
FR2293021A2 (fr) 1976-06-25

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