EP0285618B1 - Lichtinstrument und verfahren zur erzeugung von lichtwirkungen - Google Patents

Lichtinstrument und verfahren zur erzeugung von lichtwirkungen Download PDF

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Publication number
EP0285618B1
EP0285618B1 EP87905758A EP87905758A EP0285618B1 EP 0285618 B1 EP0285618 B1 EP 0285618B1 EP 87905758 A EP87905758 A EP 87905758A EP 87905758 A EP87905758 A EP 87905758A EP 0285618 B1 EP0285618 B1 EP 0285618B1
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EP
European Patent Office
Prior art keywords
light
sources
light sources
source
instrument
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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 - Lifetime
Application number
EP87905758A
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English (en)
French (fr)
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EP0285618A1 (de
Inventor
Annick Arnaud
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Individual
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Individual
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Priority to AT87905758T priority Critical patent/ATE64187T1/de
Publication of EP0285618A1 publication Critical patent/EP0285618A1/de
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00—Lighting devices or systems producing a varying lighting effect
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/806—Ornamental or decorative
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/806—Ornamental or decorative
    • Y10S362/811—Psychedelic lighting

Definitions

  • the present invention relates to a light instrument, that is to say an instrument intended to be handled by an operator and to produce varying lights.
  • a light instrument that is to say an instrument intended to be handled by an operator and to produce varying lights.
  • Such an instrument allows the creation of luminous scores which can then be replayed by performers, in the same way as a pianist performs a previously composed musical score.
  • the instrument can also be used automatically, by programmed control in the same way as a mechanical piano or a barrel organ.
  • a device capable of only emitting sounds is not a musical instrument (it is the respect of certain conditions which gives its musical character to a set of sounds), a device capable of emitting lights is not necessarily an instrument of light. Indeed, it is the conditions of selection of the lights and their variations that make a light instrument a real instrument allowing an artistic expression.
  • a television monitor is a two-dimensional type light instrument, insofar as the images formed satisfy selection conditions.
  • a television monitor reproduces an image directly filmed using a camera, it is not a real light instrument since it is content to reproduce a scene captured overall.
  • the assembly comprising the monitor and the means having made it possible to create this synthetic image constitutes a light instrument.
  • British Patent No. 849,680 describes an apparatus intended to give polychromatic effects and comprising a crumpled reflective surface and sources placed in front of this surface. It does not relate to a transparent or translucent composition, that is to say working by transmission, nor to the sources placed behind the composition.
  • French patent application 2,529,065 concerns a decorative set in which an opaque pictorial element is lit from the front.
  • French patent application No. 2,136,917 relates to an animation process according to which light is projected onto a surface from the front. This surface is neither translucent nor transparent.
  • French patent n ° 1,500,122 describes an installation in which a panel called a "screen", formed of a translucent, frosted or granulated glass, gives light effects for spectators placed on one side of the panel.
  • Light sources are mobile on the other side of the panel. Fixed or mobile elements are placed between the mobile sources and the panel so that shadows are cast on the panel, the spectators seeing varying the shape of the shadows cast when moving the lamps and / or objects.
  • the invention is based on the determination of conditions which allow the production of a real light instrument which an operator, composer or performer can play. It relates to both a method of creating light partitions by animation of a light structure, and an instrument allowing the composition and interpretation of such partitions.
  • the instrument must form a two-dimensional or three-dimensional light structure, which is static.
  • This structure must carry at least two extended sources having different areas of action.
  • the two-dimensional or three-dimensional region whose illuminance varies when the light intensity and / or the light spectrum of the extended source varies) is called the "action area”.
  • the structure also carries at least one global extended source, that is to say an extended source whose area of action covers a large part or the whole of the structure.
  • the extended sources have progressive, independent and controlled variations in their light intensity and / or their light spectrum.
  • the device is of real interest when the number of sources reaches four, and this number is preferably equal to eight.
  • the sources are at least two different colors.
  • the color of at least one extended source varies, that is to say that the light source has a spectrum. luminous which varies over time, independently of its variation in intensity or jointly with this variation.
  • the sum of the action zones of the sources covers all or almost all of the apparent support structure. It is advantageous that at least one extended source has an area of action which covers most of the apparent support structure.
  • This source or these sources are called “global” in the remainder of this specification, in contrast to “partial” sources which each have a relatively small area of action, for example less than a quarter of the apparent structure.
  • the action zones of the extended sources overlap.
  • the areas of action of the partial sources overlap those of the global sources.
  • the areas of action of certain adjacent partial sources overlap. This characteristic is important because it allows the same element of the instrument to present different colors according to the ratio of the intensities or the spectra of the different sources.
  • the extended sources must exhibit variations in intensity over a wide range, preferably up to complete extinction, and also, preferably, variations in the light spectrum. These variations in intensity and / or spectrum of the extended sources advantageously have time constants of the order of one second to several tens of seconds. Of course, this condition applies generally, but does not exclude, locally or temporarily, different conditions, such as constant maintenance or very rapid variation. Maintaining the intensity of a source at a constant value freezes part of the structure and must be avoided, unless this fixed aspect is the desired goal. A rapid variation constitutes an aggression when it is repeated too often. However, a rapid variation from a single source or a small number of sources, occasionally, punctuate the composition and give an interesting effect.
  • the process satisfying the above conditions allows the composition and interpretation of real partitions in which the operator has at all times control of variations in intensity and possibly color of the various sources. It is preferable that this control is ensured by controlling the direction of variation and the speed of variation of the intensity of each source or of each group of sources, when the number of sources is sufficiently large.
  • the intensity and color variation controls of the sources can be provided by purely static means, for example electronic circuits, the instrument can itself be entirely static, with no moving part other than those available to the operator to enter orders.
  • At least one partial source comprises an elementary source and at least one deflector which limits the area of action of the elementary source on the color filters adjacent to the diffusing plate.
  • the instrument in both embodiments, it is advantageous for the instrument to include at least one device intended to vary the color of the light from at least one light source.
  • the light source having a varying color comprises at least two elementary sources having different light spectra
  • the device for varying the color includes a device for varying the ratio of the light intensities of the elementary sources.
  • a global source is formed by several partial sources, the intensity variations of which are controlled simultaneously by the same device.
  • the invention also relates to a method of light animation using an instrument which is the subject of the preceding paragraphs, comprising the progressive and independent variation of the intensity of several of the light sources.
  • the method further comprises varying the color of at least one light source. It is also advantageous for the areas of action of the partial sources to partially overlap.
  • the method preferably comprises varying the intensity of at least two global sources of at least two different colors.
  • the instrument may include at least one device intended to vary the color of the light from at least one extended light source.
  • the extended source having a varying color may include at least two elementary sources having different light spectra, and the device for varying the color includes a device for varying the ratio of the light intensities of the elementary sources.
  • An extended global source is preferably formed by several partial sources whose intensity variations are controlled simultaneously by the same device.
  • the devices intended to vary the light intensity of each source or of each group of sources to include a computer and a data input device.
  • the data input device is an input device having several directions of direction and speed of variation.
  • the data entry device is a device for reading previously recorded data.
  • the extended surfaces illuminated by the elementary sources can have any shape, such as planar, cylindrical, conical, hemispherical or wavy, can be sources working by transmission or by reflection.
  • the device partially shown in Figure 1 forms the light structure of a light instrument according to the invention.
  • This appliance has a backplate 10 intended to constitute a frame or support for the other elements of the structure.
  • This plate can be of any sufficiently rigid material and is preferably opaque.
  • a diffusing plate 12 is kept at a distance from the plate 10, in front of the latter, by devices not shown but of any type.
  • Each extended source comprises one or more elementary sources, a surface delimiting the zone of action of the source, and possibly a deflector limiting the field of the source or its zone of action.
  • FIG. 1 represents five partial extended sources and one global extended source. These sources are formed by elementary sources 21, 22, 24, 26 and 27, by deflectors 14, 16, 18 and 20 and by large surfaces formed, in the case under consideration, by colored filters applied against the diffusing plate and bearing the references 27, 28, 30, 32 and 33. For an observer placed at a distance on the side of the diffusing plate, spots of color corresponding to those of the filters appear juxtaposed and sometimes in partial overlap.
  • the deflector 18 carries an elementary source formed by a lamp closer to the diffusing plate than the other sources and having a much wider area of action since it actually covers all the areas of action of the other extended sources. It is a "global extended source” or background source, unlike other extended sources which are said to be “partial” because they only have limited areas of action.
  • the filter 30 is a yellow filter and the source 24 a blue lamp: the zone of action of the lamp 30 will appear yellow or green to an observer, depending on its intensity.
  • the lamp 34 lights this same filter 30 with a red light, this zone will appear orange or red, depending on the intensity of the lamp. It is therefore possible to obtain different colors at the same location of the light structure, by differential control of the various elementary sources.
  • the partial extended source comprising the filter 32, the deflectors 14 and 16 and the elementary source 26 comprises two different lamps placed behind the same filter.
  • the two lamps can be controlled so that the ratio of their intensities varies. If the two lamps emit lights of different colors, the apparent color of the area of action of this lamp will vary for the observer.
  • the action zones of the extended sources are delimited by filters, these are not essential. Indeed, if the elementary sources are themselves colored, the action zones will be colored.
  • the colors of the different zones can be clearly separated, as indicated by the reference 36, that is to say without overlap. However, they can also overlap, as indicated in reference 38, the colors of the two zones appearing to blend for an observer.
  • the essential possibility given by the invention is the variation, preferably relatively slow, with time constants of the order of a few seconds to a few tens of seconds, of the light intensity of each source. It is therefore necessary that this intensity can be controlled according to the invention. This characteristic is obtained with an apparatus as shown in FIG. 2.
  • the device represented in FIG. 2 ensures the adjustment of the intensity of several elementary sources, independently of each other, by using data indicating on the one hand the direction of the variation in intensity and on the other hand its speed .
  • the data entered for each elementary source are on the one hand the change or not of the direction of variation and on the other hand a step of elementary variation of the intensity in a very short period, preferably less than twenty-fifth of a second. Constant intensity is obtained by constantly changing the direction of the variation, or by using a zero step.
  • FIG. 2 represents two data entry devices, on the one hand a joystick 40 and on the other hand a computer 42.
  • the joystick determines the elementary source concerned by its azimuth, the amplitude of the step by l 'amplitude of its movement relative to the central position, and the direction by the insertion or not of the lever in its support.
  • the controller gives, at any time, only data concerning a single elementary source. It is therefore necessary that suitable devices keep the step value of each source until the subsequent command or until a threshold value is reached.
  • this data can be provided by a computer such as 42 conventionally comprising a central processing unit 44, random access memories 46 and passive memories 48, a keyboard 50 and a screen 52.
  • Each source 54 is therefore associated with a channel comprising, from an input-output circuit 56 having data lines and address lines, a register 58 (for example of the 74LS273 type), a digital converter analog 60 (for example of the type DAC0800), and an amplification stage 62 comprising an operational amplifier 64 (for example of the type LM741) and a power transistor 66 (For example of the type TIP120) suitably connected to a supply supplying the energy required for light sources 54.
  • a channel comprising, from an input-output circuit 56 having data lines and address lines, a register 58 (for example of the 74LS273 type), a digital converter analog 60 (for example of the type DAC0800), and an amplification stage 62 comprising an operational amplifier 64 (for example of the type LM741) and a power transistor 66 (For example of the type TIP120) suitably connected to a supply supplying the energy required for light sources 54.
  • the user Before being able to compose a partition, the user must realize the light structure, that is to say first perform a plastic art operation: positioning of the lamps and deflectors which delimit the action zones, choice and arrangement of filters which already form a colored composition by themselves but which have the disadvantage of being static.
  • the invention then allows the animation of this composition, by acting on the intensities and their contrasts, and by accentuating or reducing the color contrasts.
  • the invention also relates to three-dimensional structures.
  • several extended sources are arranged close to each other. These sources can give variations of color or not but always allow variations of intensities.
  • the forms of the extended sources can be any. interesting results have been obtained with elementary sources placed in translucent colored envelopes, with hollow cylinders open at one end and having an elementary source which is not visible directly, and with wavy shapes giving effects of long shadow. .
  • the composition is advantageously a simple colorless diffusing plate which makes it possible to distinguish the differences in depth from the various sources.
  • an advantage of the invention is that the light instrument can be purely static and has no moving part, apart from the data entry device.
  • some particular effects can be obtained by coupling the instrument to dynamic elements, for example a motor moving a movable member.
  • a motor can be used to control a shutter or a rotating polarizer intended to vary the intensity of a source whose intensity cannot be directly modulated (for example a discharge lamp in a gas).
  • the instruments according to the invention are suitable either as instruments allowing artistic expression, or as decorative elements controlled by computers and participating in the animation of public places.

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Led Device Packages (AREA)

Claims (10)

1. Lichtinstrument zur Erzeugung von Lichtwirkungen einer von einem Betrachter gesehenen Anordnung, enthaltend
_ einen Rahmen oder Träger (10),
_ eine durchsichtige oder durchscheinende, statische Anordnung (12, 28, 30, 32, 33), die eine ausgedehnte Oberfläche aufweist und von dem Rahmen oder Träger (10) getragen wird und
_ mehrere Lichtquellen (21, 22, 24, 26, 34) zur Bestrahlung von Aktionsbereichen mit Licht, die einen Teil der ausgedehnten Oberfläche bilden, wobei die Lichtquellen auf dem Rahmen oder Träger (10) auf der, dem Betrachter gegenüberliegenden Seite der ausgedehnten Oberfläche angeordnet sind, dadurch gekennzeichnet, daß
_ die statische Anordnung eine Diffusorplatte (12) enthält, in deren Nähe Farbfilter (28, 30, 32, 33) angeordnet sind,
_ die Lichtquellen (21, 22, 24, 26, 34), in bezug auf die statische Anordnung, an festen Stellen befestigt sind,
_ die Lichtquellen Teillichtquellen oder Gruppen von Teillichtquellen (21, 22, 24, 26) umfassen, deren Licht auf mehrere, jeweils nur einen kleinen Teil der ausgedehnten Oberfläche abdeckende Aktionsteilbereiche gerichtet ist, daß die Lichtquellen ferner wenigstens eine Globallichtquelle oder eine Gruppe von Globallichtquellen derselben Farbe umfassen, deren Licht auf einen der gesamten oder dem größten Teil der ausgedehnten Oberfläche entsprechenden Aktionsgesamtbereich gerichtet ist und
_ das Instrument Vorrichtungen (40-52, 56-66) zur Veränderung der Lichtstärke bestimmter Lichtquellen oder wenigstens von bestimmten Gruppen von Lichtquellen enthält.
2. Instrument nach Anspruch 1, dadurch gekennzeichnet, daß eine Teillichtquelle wenigstens eine Elementarlichtquelle (21, 22, 24, 26) und wenigstens ein Leitblech (14, 16, 18, 20) enthält, das den Aktionsbereich der Elementarlichtquelle auf die an die Diffusorplatte (12) angrenzenden Farbfilter begrenzt.
3. Lichtinstrument zur Erzeugung von Lichtwirkungen einer von einem Betrachter gesehenen Anordnung enthaltend
_ einen Rahmen oder Träger (10),
_ eine durchsichtige oder durchscheinende, statische Anordnung (12), die eine ausgedehnte Oberfläche aufweist und von dem Rahmen oder Träger (10) getragen wird, und
_ mehrere Lichtquellen (21, 22, 24, 26, 34) zur Bestrahlung von Aktionsbereichen mit Licht, die einen Teil der ausgedehnten Oberfläche bilden, wobei die Lichtquellen auf der, dem Betrachter gegenüberliegenden Seite der ausgedehnten Oberfläche angeordnet sind, dadurch gekennzeichnet, daß
_ die statische Anordnung (12) durch eine Diffusorplatte gebildet wird,
_ die Lichtquellen (21, 22, 24, 26, 34) sind, in bezug auf die statische Anordnung, an festen Stellen angeordnet sind und unterschiedliche Entfernungen von der Diffusorplatte (12) aufweisen,
_ die Lichtquellen Teillichtquellen oder Gruppen von Teillichtquellen (21, 22, 24, 26) umfassen, deren Licht auf mehrere, jeweils nur einen kleinen Teil der ausgedehnten Oberfläche abdeckenden Aktionsteilbereiche gerichtet ist, daß diese Lichtquellen ferner wenigstens eine Globallichtquelle oder eine Gruppe von Globallichtquellen derselben Farbe umfassen, deren Licht auf einen der gesamten oder dem größten Teil der ausgedehnten Oberfläche entsprechenden Aktionsgesamtbereich gerichtet ist,
_ eine Teillichtquelle wenigstens eine, in einer durchscheinenden, farblichen Ummantelung angeordnete Elementarlichtquelle enthält und
_ das Instrument Vorrichtungen (40-52, 56-66) zur Veränderung der Lichtstärke bestimmter Lichtquellen oder wenigstens von bestimmten Gruppen von Lichtquellen enthält.
4. Instrument nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß es wenigstens eine Vorrichtung zur Veränderung der Farbe des Lichtes wenigstens einer Lichtquelle (26) enthält.
5. Instrument nach Anspruch 4, dadurch gekennzeichnet, daß die Lichtquelle mit einer veränderbaren Farbe wenigstens zwei Elementarlichtquellen (26) mit verschiedenen Lichtspektren enthält und daß die Vorrichtung zur Veränderung der Farbe eine Einrichtung enthält, die das Verhältnis der Lichtstärken der Elementarlichtquellen (26) verändert.
6. Instrument nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß eine Globallichtquelle durch mehrere Teillichtquellen gebildet wird, deren Veränderung der Lichtstärke gleichzeitig von ein und derselben Vorrichtung gesteuert wird.
7. Verfahren zur Erzeugung von Lichtwirkungen mit Hilfe eines Instrumentes nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Lichtstärke mehrerer Lichtquellen (21, 22, 24, 26, 34) zunehmend und unabhängig voneinander verändert wird.
8. Verfahren nach Anspruch 7, dadurch gekennzeichnet, daß die Farbe von wenigstens einer Lichtquelle (26) verändert wird.
9. Verfahren nach einem der Ansprüche 7 und 8, dadurch gekennzeichnet, daß sich die Aktionsbereiche der Teillichtquellen (21, 22, 24, 26) teilweise überdecken.
10. Verfahren nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, daß die Lichtstärke von wenistens zwei Globallichtquellen (34), die wenigstens zwei unterschiedliche Farben aufweisen, verändert wird.
EP87905758A 1986-09-04 1987-09-03 Lichtinstrument und verfahren zur erzeugung von lichtwirkungen Expired - Lifetime EP0285618B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87905758T ATE64187T1 (de) 1986-09-04 1987-09-03 Lichtinstrument und verfahren zur erzeugung von lichtwirkungen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8612442A FR2603685B1 (fr) 1986-09-04 1986-09-04 Procede d'animation de structures lumineuses et instrument de lumiere
FR8612442 1986-09-04

Publications (2)

Publication Number Publication Date
EP0285618A1 EP0285618A1 (de) 1988-10-12
EP0285618B1 true EP0285618B1 (de) 1991-06-05

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Application Number Title Priority Date Filing Date
EP87905758A Expired - Lifetime EP0285618B1 (de) 1986-09-04 1987-09-03 Lichtinstrument und verfahren zur erzeugung von lichtwirkungen

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US (1) US4882661A (de)
EP (1) EP0285618B1 (de)
FR (1) FR2603685B1 (de)
WO (1) WO1988001709A1 (de)

Families Citing this family (9)

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Publication number Priority date Publication date Assignee Title
US5217876A (en) * 1988-03-15 1993-06-08 Akzo N.V. Method for detecting microorganisms
US5518895A (en) * 1990-02-15 1996-05-21 Akzo N.V. Device for detecting microorganisms using piezoelectric means
US5858769A (en) * 1989-05-15 1999-01-12 Akzo Nobel N.V. Device for detecting microorganisms
US6540381B1 (en) 1995-10-20 2003-04-01 Douglass, Ii Myrl Rae Spectral light tube
US6347877B1 (en) 1997-08-12 2002-02-19 Douglass, Ii Myrl Rae Cable grid spectral lighting system
JP2829503B2 (ja) * 1995-11-17 1998-11-25 株式会社タイムリーエレガンス 照明装置及びこの照明装置が取り付けられてなる額縁
US6285134B1 (en) 1998-10-05 2001-09-04 Matsushita Electric Industrial Co., Ltd. Light irradiation method for varying a perceived brightness
DE29923151U1 (de) * 1999-12-23 2000-05-11 Kluth, Manfred, 40721 Hilden Beleuchtungskörper
EA200501150A1 (ru) * 2005-06-06 2006-12-29 Багитжан Мусиевич Джиембаев Способ создания динамического цветового произведения, способ записи динамического цветового произведения и цветосистема для создания и записи динамического цветового произведения

Family Cites Families (9)

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Publication number Priority date Publication date Assignee Title
GB849680A (en) * 1957-09-21 1960-09-28 Wilfred Harold Messer Apparatus for use in producing polychromatic light effects
FR1500122A (fr) * 1966-07-19 1967-11-03 Fond lumineux
US3564332A (en) * 1968-06-24 1971-02-16 Kenneth L Blakeslee Photoelectrically controlled continuously variable color illuminator
US3694645A (en) * 1970-10-05 1972-09-26 Malcolm H Brantz Kinetic display
FR2136917B1 (de) * 1971-05-07 1973-05-11 Forest Claude
US3790772A (en) * 1972-05-18 1974-02-05 P Newman Light box assembly
US3805049A (en) * 1972-05-22 1974-04-16 B Frank Color pattern generator
US4386916A (en) * 1982-03-29 1983-06-07 Beal George M Mental functions complexity model
FR2529065B1 (fr) * 1982-06-25 1986-10-24 Brosolo Franco Ensemble de decoration comportant un element pictural ou analogue dispose dans un cadre

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EP0285618A1 (de) 1988-10-12
US4882661A (en) 1989-11-21
FR2603685B1 (fr) 1991-01-18
WO1988001709A1 (fr) 1988-03-10
FR2603685A1 (fr) 1988-03-11

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