BE781895A - Perfectionnements aux enseignes lumineuses - Google Patents

Perfectionnements aux enseignes lumineuses

Info

Publication number
BE781895A
BE781895A BE781895A BE781895A BE781895A BE 781895 A BE781895 A BE 781895A BE 781895 A BE781895 A BE 781895A BE 781895 A BE781895 A BE 781895A BE 781895 A BE781895 A BE 781895A
Authority
BE
Belgium
Prior art keywords
upgrades
luminous signs
luminous
signs
signs upgrades
Prior art date
Application number
BE781895A
Other languages
English (en)
French (fr)
Inventor
M Forlini
F C Lowell
R L Saxe
Original Assignee
Research Frontiers Inc
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 Research Frontiers Inc filed Critical Research Frontiers Inc
Publication of BE781895A publication Critical patent/BE781895A/xx

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/04Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/16Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00Arrangements for displaying electric variables or waveforms
    • G01R13/40Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect
    • G01R13/404Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect for discontinuous display, i.e. display of discrete values
    • G01R13/408Two or three dimensional representation of measured values
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/17Devices 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 variable-absorption elements not provided for in groups G02F1/015 - G02F1/169
    • G02F1/172Devices 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 variable-absorption elements not provided for in groups G02F1/015 - G02F1/169 based on a suspension of orientable dipolar particles, e.g. suspended particles displays
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00Illuminated signs; Luminous advertising

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Computer Hardware Design (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
BE781895A 1971-04-09 1972-04-10 Perfectionnements aux enseignes lumineuses BE781895A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13270571A 1971-04-09 1971-04-09

Publications (1)

Publication Number Publication Date
BE781895A true BE781895A (fr) 1972-10-10

Family

ID=22455230

Family Applications (1)

Application Number Title Priority Date Filing Date
BE781895A BE781895A (fr) 1971-04-09 1972-04-10 Perfectionnements aux enseignes lumineuses

Country Status (11)

Country Link
BE (1) BE781895A (pt)
BR (1) BR7202058D0 (pt)
CA (1) CA972857A (pt)
CH (1) CH543151A (pt)
DE (2) DE7211660U (pt)
ES (1) ES401553A1 (pt)
FR (1) FR2132796A1 (pt)
IL (1) IL39041A0 (pt)
IT (1) IT952545B (pt)
NL (1) NL7204646A (pt)
ZA (1) ZA722235B (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0697615A3 (en) * 1994-08-19 1997-01-22 Fujikura Ltd Display device
EP0704342A3 (en) * 1994-09-30 1996-10-02 Fujikura Ltd Control of the intensity of the transmitted light with a fluid composition
EP0709712A3 (en) * 1994-10-31 1997-04-23 Fujikura Ltd Glazing to control the transmitted light intensity
US7796322B2 (en) 2004-10-08 2010-09-14 Massachusetts Institute Of Technology Programmable window: a device for controlling the opacity of small-scale areas within a large scale transparent membrane

Also Published As

Publication number Publication date
ZA722235B (en) 1972-12-27
IT952545B (it) 1973-07-30
ES401553A1 (es) 1975-11-01
BR7202058D0 (pt) 1973-06-07
FR2132796A1 (pt) 1972-11-24
NL7204646A (pt) 1972-10-11
DE2214869A1 (de) 1972-12-21
IL39041A0 (en) 1972-05-30
CH543151A (de) 1973-10-15
CA972857A (en) 1975-08-12
DE7211660U (de) 1976-08-19

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