NL7508560A - CONTROL DEVICE. - Google Patents

CONTROL DEVICE.

Info

Publication number
NL7508560A
NL7508560A NL7508560A NL7508560A NL7508560A NL 7508560 A NL7508560 A NL 7508560A NL 7508560 A NL7508560 A NL 7508560A NL 7508560 A NL7508560 A NL 7508560A NL 7508560 A NL7508560 A NL 7508560A
Authority
NL
Netherlands
Prior art keywords
control device
control
Prior art date
Application number
NL7508560A
Other languages
Dutch (nl)
Original Assignee
Ici Ltd
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 Ici Ltd filed Critical Ici Ltd
Publication of NL7508560A publication Critical patent/NL7508560A/en

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0017—Visual time or date indication means in which the light emitting display elements may be activated at will or are controlled in accordance with the ambient light
    • 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
    • G04G9/0047—Details electrical, e.g. selection or application of the operating voltage
    • G04G9/0052—Details electrical, e.g. selection or application of the operating voltage using means to adjust the display in accordance with the ambient light, e.g. switching or controlling a supplementary light source

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Sources (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
  • Electric Clocks (AREA)
NL7508560A 1974-07-19 1975-07-17 CONTROL DEVICE. NL7508560A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3202374 1974-07-19

Publications (1)

Publication Number Publication Date
NL7508560A true NL7508560A (en) 1976-01-21

Family

ID=10331903

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7508560A NL7508560A (en) 1974-07-19 1975-07-17 CONTROL DEVICE.

Country Status (4)

Country Link
JP (1) JPS5135300A (en)
DE (1) DE2532260A1 (en)
FR (1) FR2279184A1 (en)
NL (1) NL7508560A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE420908B (en) * 1980-04-15 1981-11-09 Taylor Richard J TELESCOPIC LIFT TOK
DE3142909A1 (en) * 1981-10-29 1983-05-11 Fa. Carl Zeiss, 7920 Heidenheim CONTINUOUS CHARGE CONTROL FOR ELECTROCHROME LAYERS
DE3142906A1 (en) * 1981-10-29 1983-05-11 Fa. Carl Zeiss, 7920 Heidenheim STAGE CHARGE CONTROL FOR ELECTROCHROME LAYERS
CH665081GA3 (en) * 1985-10-11 1988-04-29

Also Published As

Publication number Publication date
DE2532260A1 (en) 1976-01-29
FR2279184A1 (en) 1976-02-13
JPS5135300A (en) 1976-03-25

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