IT948135B - Dispositivo per la presentazione di informazione mediante azione elettrochimica visibile - Google Patents

Dispositivo per la presentazione di informazione mediante azione elettrochimica visibile

Info

Publication number
IT948135B
IT948135B IT47590/72A IT4759072A IT948135B IT 948135 B IT948135 B IT 948135B IT 47590/72 A IT47590/72 A IT 47590/72A IT 4759072 A IT4759072 A IT 4759072A IT 948135 B IT948135 B IT 948135B
Authority
IT
Italy
Prior art keywords
presentation
visible
information
electrochemical action
electrochemical
Prior art date
Application number
IT47590/72A
Other languages
English (en)
Italian (it)
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
Priority claimed from US00149423A external-priority patent/US3839857A/en
Application filed by American Cyanamid Co filed Critical American Cyanamid Co
Application granted granted Critical
Publication of IT948135B publication Critical patent/IT948135B/it

Links

Classifications

    • 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
    • G04G9/0035—Details constructional
    • 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
    • G04G9/0035—Details constructional
    • G04G9/0041—Illumination devices
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/02—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques
    • G04G9/06—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/08—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques
    • G04G9/12—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals
    • 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
    • G02F1/1514—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 characterised by the electrochromic material, e.g. by the electrodeposited material
    • G02F1/1523—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 characterised by the electrochromic material, e.g. by the electrodeposited material comprising inorganic material
    • G02F1/1524—Transition metal compounds

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electric Clocks (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
IT47590/72A 1971-01-12 1972-01-07 Dispositivo per la presentazione di informazione mediante azione elettrochimica visibile IT948135B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10588371A 1971-01-12 1971-01-12
US00149423A US3839857A (en) 1971-06-03 1971-06-03 Electrochromic information displays

Publications (1)

Publication Number Publication Date
IT948135B true IT948135B (it) 1973-05-30

Family

ID=26803050

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47590/72A IT948135B (it) 1971-01-12 1972-01-07 Dispositivo per la presentazione di informazione mediante azione elettrochimica visibile

Country Status (8)

Country Link
CA (1) CA958476A (xx)
CH (3) CH558004A (xx)
DE (1) DE2201104C2 (xx)
FR (1) FR2121801B1 (xx)
GB (1) GB1377620A (xx)
HK (1) HK28078A (xx)
IT (1) IT948135B (xx)
NL (1) NL176498C (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA999388A (en) * 1972-12-07 1976-11-02 American Cyanamid Company Electrochromic information display for telephones
CH594263A5 (xx) * 1975-11-29 1977-12-30 Ebauches Sa
DE2832999A1 (de) * 1977-07-29 1979-02-15 Sharp Kk Elektrochrome anzeigeeinrichtung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GR32671B (el) * 1966-02-25 1967-08-02 American Cyanamid Company Ηλεκτρο - οπτικαι συσκευαι.
US3451741A (en) * 1966-06-15 1969-06-24 Du Pont Electrochromic device
US3521941A (en) * 1967-02-07 1970-07-28 American Cyanamid Co Electro-optical device having variable optical density
US3485033A (en) * 1968-03-19 1969-12-23 Corning Glass Works Electronic timepiece having light beam adjustment means
US3540209A (en) * 1968-07-31 1970-11-17 Timex Corp Horological time display

Also Published As

Publication number Publication date
NL176498B (nl) 1984-11-16
FR2121801A1 (xx) 1972-08-25
CH40172A4 (xx) 1974-10-31
CH558004A (de) 1975-01-15
NL176498C (nl) 1985-04-16
GB1377620A (en) 1974-12-18
CA958476A (en) 1974-11-26
NL7200053A (xx) 1972-07-14
HK28078A (en) 1978-06-09
DE2201104A1 (de) 1972-09-07
FR2121801B1 (xx) 1979-04-27
CH561932A (xx) 1975-05-15
DE2201104C2 (de) 1983-12-15

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