EP0224394A1 - Projektionsgerät mit sphärischem Schirm, insbesondere für Reklamezwecke - Google Patents

Projektionsgerät mit sphärischem Schirm, insbesondere für Reklamezwecke Download PDF

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Publication number
EP0224394A1
EP0224394A1 EP86402208A EP86402208A EP0224394A1 EP 0224394 A1 EP0224394 A1 EP 0224394A1 EP 86402208 A EP86402208 A EP 86402208A EP 86402208 A EP86402208 A EP 86402208A EP 0224394 A1 EP0224394 A1 EP 0224394A1
Authority
EP
European Patent Office
Prior art keywords
screen
motor
sphere
projector
filter
Prior art date
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.)
Granted
Application number
EP86402208A
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English (en)
French (fr)
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EP0224394B1 (de
Inventor
Pierre Nicolas
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.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT86402208T priority Critical patent/ATE51099T1/de
Publication of EP0224394A1 publication Critical patent/EP0224394A1/de
Application granted granted Critical
Publication of EP0224394B1 publication Critical patent/EP0224394B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/34—Illuminated signs; Luminous advertising with light sources co-operating with movable members, e.g. with shutters to cover or uncover the light source
    • G09F13/36—Illuminated signs; Luminous advertising with light sources co-operating with movable members, e.g. with shutters to cover or uncover the light source co-operating with rotating screening means
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/12—Advertising or display means not otherwise provided for using special optical effects
    • G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds

Definitions

  • the present invention overcomes these disadvantages by creating a projection device with a fixed spherical screen, the front face of which is substantially the size of the hemisphere forming a screen, the rear part being opaque except in the central zone to allow the projection of the image arriving from the optics d 'a projector placed behind the screen sphere.
  • This assembly is mounted on a suitably supported plate.
  • This rotating filter cooperates with a movable shutter making it possible to partially or completely close the optics of the projector in order to obtain images developing on the screen sphere either vertically or horizontally with each complete rotation of the screen.
  • means are provided allowing the rotation, on the one hand, of the filter and, on the other hand, of the screen, these means being supplied through members allowing the image to stop, the disappearance total of the image and also by means of microprocessors, the variation of the speed of rotation of the polarization of the image (filter) and, this, according to the projected slide.
  • We can also vary the exposure time of each slide on the same bubble screen or alternating slides of several programs one after the other by creating an operating synchronization of several projection devices between them.
  • the projection apparatus with a spherical screen more specifically for advertising uses in which the sphere forming a screen is constituted by a transparent or translucent half-sphere before and by an opaque rear half-sphere except in the central zone to allow projection of arriving images from the perspective of a projector located behind the screen, this assembly being mounted on a tablet support, is characterized in that the front face of the image projector comprises, in front of the projector optics, a plate containing a rotary filter driven in rotation by a motor, this filter being able to be obscured by a rotary screen describing an imaginary circle due to the fact that it is mounted on axes integral with discs rotating in synchronism under the action of a motor, the discs aligned vertically and placed in the same vertical plane being mounted one on the motor shaft fixed to the back of the plate, the other on an axis integral with the plate, this assembly being subjected for the supply of the motor of the screen with microswitches allowing to stop the image projector in selected positions
  • At least two microprocessors allow one to vary the speed of rotation of the motor driving the filter in order to vary the speed of polarization as a function of the slide considered, the other the speed of rotation of the motor in order to vary the exposure time of each slide and also to ensure, with the help of several image projectors, several programs which are thus synchronized.
  • a support 1 for example a vertical foot
  • a shelf 3 on the front part of which is mounted an axis 4 carrying a spherical screen 5, the half of which - front sphere 6 is transparent or translucent and the rear half-sphere 7 is opaque except in the central central area 8 where it is transparent to allow the passage of light rays RL projecting the image on the front part 6 of the spherical screen 5.
  • the rear part of the tablet 3 carries a foot 9 on which is fixed the image projector 10 having on its front face 10a an optic 11.
  • Spacers 14 fixed to the four corners of the front face 10a of the image projector 10 carry a plate 15 of rectangular shape having a hole 16 placed in front of the optics 11 of the image projector 10 and in the hole 16 is mounted a filter 17.
  • a needle bearing 18 is interposed between the periphery of the filter 17 and the edge of the hole 16 so as to allow easy rotation of the filter 17, rotation obtained by means of a belt 19 driven by the driving pulley 20 of a motor 21, the belt passing over a pulley 22 surrounding the filter 17 in front of the bearing with needles 18.
  • the motor 21 is fixed by any suitable means to the rear surface of the plate 15 (see fig. 3).
  • a second motor 30 fixed on the rear wall of the plate (15) drives by its motor shaft 31, a disc 32 having on its periphery a groove 34 in which passes a belt 35 driving in rotation a second disc 36 mounted idly on an axis 37 integral with the plate 15.
  • the discs 32 and 36 are therefore located on the front face of the plate 15 (see fig. 4) and can therefore easily rotate by driving a rotary screen 40 mounted on axes 41, 42 integral one of the upper disc 32 and the other of the lower disc 36, discs placed on the same vertical axis and in the same vertical plane.
  • the rotary screen 40 comes during a complete revolution of the discs 32, 36 to traverse an imaginary circle making it possible to close the filter 17 vertically and horizontally, therefore to make the image projected on the spherical screen appear and disappear vertically and horizontally. 5.
  • Micro-switches 50, 51 cooperating with stops 52, 53 integral with the discs 32, 36 ensure a delay of the image, that is to say that the projection of the image stops after having appeared vertically and then horizontally.
  • This time delay mounted on the power supply circuit of the motor 30 also allows at a certain moment to completely obscure the image during the time when the projector 10 changes the slide by rotating the image store by a fraction of a turn corresponding to the number of slides in the projector magazine.
  • the power supply circuit of the motor 21 may include a microprocessor shown schematically at 21a, placed in the power supply circuit of this motor 21 driving the filter 17 in rotation to adjust the speed of rotation of the polarization as a function of the projected diaspositive. It is also possible to include, in the supply circuit of the motor 30 driving in rotation via the disks 32, 36, the screen 40, another microprocessor represented schematically at 30a in order to modify the exposure time of each slide.
  • the microprocessor 30a can have in its memory several slide programs so as to allow synchronization of several projection devices (image projector 10) with one another, but in this case, these image projectors are mobile, for example on a carriage sliding relative to the foot 9, to bring each image projector into the exact projection position.
  • the screen projection apparatus has the usual settings for obtaining a perfect image on the spherical screen 5.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Projection Apparatus (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Optical Elements Other Than Lenses (AREA)
EP86402208A 1985-10-10 1986-10-06 Projektionsgerät mit sphärischem Schirm, insbesondere für Reklamezwecke Expired - Lifetime EP0224394B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86402208T ATE51099T1 (de) 1985-10-10 1986-10-06 Projektionsgeraet mit sphaerischem schirm, insbesondere fuer reklamezwecke.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8515032 1985-10-10
FR8515032A FR2588684B1 (fr) 1985-10-10 1985-10-10 Appareil de projection a ecran spherique plus specialement pour usages publicitaires

Publications (2)

Publication Number Publication Date
EP0224394A1 true EP0224394A1 (de) 1987-06-03
EP0224394B1 EP0224394B1 (de) 1990-03-14

Family

ID=9323707

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86402208A Expired - Lifetime EP0224394B1 (de) 1985-10-10 1986-10-06 Projektionsgerät mit sphärischem Schirm, insbesondere für Reklamezwecke

Country Status (18)

Country Link
US (1) US4859053A (de)
EP (1) EP0224394B1 (de)
JP (1) JPS6292928A (de)
KR (1) KR870004396A (de)
CN (1) CN1005874B (de)
AT (1) ATE51099T1 (de)
AU (1) AU601952B2 (de)
BR (1) BR8604852A (de)
CA (1) CA1278712C (de)
DE (2) DE224394T1 (de)
DK (1) DK442286A (de)
ES (1) ES2000044B3 (de)
FR (1) FR2588684B1 (de)
GR (1) GR880300109T1 (de)
NO (1) NO863945L (de)
OA (1) OA08425A (de)
PT (1) PT83464B (de)
ZA (1) ZA867053B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5744101A (en) 1989-06-07 1998-04-28 Affymax Technologies N.V. Photolabile nucleoside protecting groups
GB9812969D0 (en) * 1998-06-17 1998-08-12 Cae Invertron Limited Instrument panel
US6409351B1 (en) 2001-02-12 2002-06-25 Thomas R. Ligon Spherical image projection system using a convex reflecting image dispersing element
US7352340B2 (en) * 2002-12-20 2008-04-01 Global Imagination Display system having a three-dimensional convex display surface
US7018053B2 (en) * 2003-10-23 2006-03-28 Hewlett-Packard Development Company, L.P. Projector
JP2006184404A (ja) * 2004-12-27 2006-07-13 Nomura Co Ltd 球形画像表示装置
EP2069865A1 (de) * 2006-10-06 2009-06-17 Lalley Brothers Scientific, LLC Dreidimensionales internes rückprojektionssystem und verfahren zu seiner verwendung
US7611396B2 (en) * 2007-02-27 2009-11-03 Disney Enterprises, Inc. Illuminated balloon with an externally mounted, rear projector
US8091822B2 (en) * 2007-06-20 2012-01-10 Boyce Mark A Aerial image projection system and method of utilizing same
JP2015094938A (ja) * 2013-11-14 2015-05-18 株式会社 オルタステクノロジー 表示装置
CN110262377B (zh) * 2019-06-28 2021-08-27 佳木斯大学 计算机投影放映一体化装置及其使用方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1902584A1 (de) * 1969-01-20 1970-08-13 Hans Schork Verfahren und Vorrichtung zur Erzeugung von projizierten Lichteffekten
DE2032555A1 (de) * 1970-06-26 1971-12-30 Grauert, Raimund, 1000 Berlin Innenprojektions-Aussensichtleuchtkugel für Werbezwecke
CH581365A5 (en) * 1974-08-13 1976-10-29 Steiner Kurt Living Light & Co Illuminated advertisement arrangement with flickering light effect - has stationary disc which displays advertisement formed by zones of varying degrees of translucency
FR2448734A1 (fr) * 1979-02-06 1980-09-05 Nicolas Pierre Ecran rotatif pour la reception d'images optiques, notamment d'images publicitaires
EP0127701A1 (de) * 1983-06-07 1984-12-12 Datelcare B.V. Gerät zur Projektion von Lichtbildern

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2292172A (en) * 1940-05-24 1942-08-04 Cecil A Stokes Process and apparatus for producing musical rhythm in color
US2461756A (en) * 1945-03-16 1949-02-15 Ralph S Moore Disk picture projector
US2592444A (en) * 1950-04-12 1952-04-08 John J Matelena Inflatable aerial projection display device
US3205766A (en) * 1962-06-18 1965-09-14 Eastman Kodak Co Control apparatus
US3586432A (en) * 1969-04-01 1971-06-22 Pentes Design Inc Self-contained image projecting apparatus and rear projection screen therefor
US4073576A (en) * 1976-08-30 1978-02-14 North American Philips Corporation Device for chopping an optical beam

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1902584A1 (de) * 1969-01-20 1970-08-13 Hans Schork Verfahren und Vorrichtung zur Erzeugung von projizierten Lichteffekten
DE2032555A1 (de) * 1970-06-26 1971-12-30 Grauert, Raimund, 1000 Berlin Innenprojektions-Aussensichtleuchtkugel für Werbezwecke
CH581365A5 (en) * 1974-08-13 1976-10-29 Steiner Kurt Living Light & Co Illuminated advertisement arrangement with flickering light effect - has stationary disc which displays advertisement formed by zones of varying degrees of translucency
FR2448734A1 (fr) * 1979-02-06 1980-09-05 Nicolas Pierre Ecran rotatif pour la reception d'images optiques, notamment d'images publicitaires
EP0127701A1 (de) * 1983-06-07 1984-12-12 Datelcare B.V. Gerät zur Projektion von Lichtbildern

Also Published As

Publication number Publication date
ATE51099T1 (de) 1990-03-15
JPS6292928A (ja) 1987-04-28
DE3669602D1 (de) 1990-04-19
ZA867053B (en) 1987-04-29
KR870004396A (ko) 1987-05-09
FR2588684B1 (fr) 1988-01-08
CN86106760A (zh) 1987-05-13
ES2000044B3 (es) 1990-05-16
CN1005874B (zh) 1989-11-22
ES2000044A4 (es) 1987-10-16
FR2588684A1 (fr) 1987-04-17
AU6360086A (en) 1987-04-16
DK442286D0 (da) 1986-09-15
US4859053A (en) 1989-08-22
PT83464A (fr) 1986-10-01
PT83464B (pt) 1992-10-30
BR8604852A (pt) 1987-07-07
NO863945D0 (no) 1986-10-03
DE224394T1 (de) 1987-10-15
EP0224394B1 (de) 1990-03-14
OA08425A (fr) 1988-06-30
DK442286A (da) 1987-04-11
CA1278712C (en) 1991-01-08
GR880300109T1 (en) 1988-12-16
AU601952B2 (en) 1990-09-27
NO863945L (no) 1987-04-13

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