EP1079174A1 - Lichtspiele-Projektionsapparat - Google Patents

Lichtspiele-Projektionsapparat Download PDF

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Publication number
EP1079174A1
EP1079174A1 EP00440230A EP00440230A EP1079174A1 EP 1079174 A1 EP1079174 A1 EP 1079174A1 EP 00440230 A EP00440230 A EP 00440230A EP 00440230 A EP00440230 A EP 00440230A EP 1079174 A1 EP1079174 A1 EP 1079174A1
Authority
EP
European Patent Office
Prior art keywords
carriage
worm
light source
slide
translation
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.)
Withdrawn
Application number
EP00440230A
Other languages
English (en)
French (fr)
Inventor
Gilbert Fluhr
Yannick Schlicht
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.)
Univers Fog SA
Original Assignee
Univers Fog SA
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 Univers Fog SA filed Critical Univers Fog SA
Publication of EP1079174A1 publication Critical patent/EP1079174A1/de
Withdrawn legal-status Critical Current

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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
    • F21S10/02—Lighting devices or systems producing a varying lighting effect changing colors
    • 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

Definitions

  • the present invention relates to an apparatus for projecting light games using of a light source.
  • the present invention aims to overcome these drawbacks by proposing an apparatus for "multifunction" projection that allows you to group in a single chassis and use alternatively depending on the needs one of the optical systems to generate different light effects to economically replace multiple projectors.
  • the invention relates to a projection device of the kind indicated in preamble, characterized in that it comprises at least two optical systems arranged to generate different light effects and arranged side by side on a support optical system, a first carriage movable in translation perpendicular to the light source and on which said optical system support is mounted so to move the optical system support and its two optical systems perpendicular to said light source to change the light effect by placing, in front of said light source, one of said optical systems selected in depending on the desired light effect, and means of translational training of said first cart.
  • the optical systems comprise at least components optics generating light beams or bright images.
  • the beams bright can be blurred like Fresnel, worh and bright images can be of the gobo type or with sharp edges.
  • the optical system support has a U-shaped section, each wall U with at least two holes side by side to receive at least two optical systems, the orifices of one wall being opposite those of the other wall.
  • the means of translational drive of the first carriage include a worm / nut system and a rotating motor said worm, the nut being integral with the first carriage and the worm being arranged perpendicular to the light source, so that said first carriage slides along the screw perpendicular to the light source.
  • the first cart can include in this hole a guide ring arranged to slide on said slide.
  • the drive means in translation of the first carriage and the slide are fixed on the chassis of said device.
  • the projection apparatus comprises a second carriage linked to the optical system support and mobile in translation parallel to the light source so as to move the system support optics parallel to the light source to adjust the depth of field of the optical systems, as well as means for translational training of the second cart.
  • the drive means in translation of the second carriage may include a worm / nut system and a motor driving said worm in rotation, the nut being integral with the second carriage and the worm being arranged in parallel to the light source, so that said second carriage slides along the screw parallel to the light source.
  • the second carriage comprising at least one orifice through which said slide.
  • Said second carriage can include in this hole a guide ring arranged to slide on said slide.
  • the drive means in translation of the second carriage and the slide are fixed on the first carriage.
  • the projection apparatus comprises for each carriage two slides parallel to each other arranged on either side of the worm.
  • the projection apparatus 1 has the form of a projector for traditional spectacle and comprises a frame 2 containing in particular a light source S in its rear housing 3.
  • the projection apparatus 1 contains two systems in front of the light source S optics (not shown), comprising for example components such as a Fresnel lens type lens arranged to generate light beams, or an optical component comprising a wheel with different patterns arranged to generate bright images on walls or a screen.
  • the optical systems are placed on an optical system support 4 comprising two walls 5a, 5b and a bottom 6 arranged in a U shape.
  • Each wall 5a or 5b has an octagonal shape, so that their perimeter is complementary to the shape of the frame 2.
  • Each wall Sa or 5b has two circular orifices 7a, 8a or 7b, 8b placed side by side, the orifices 7a and 8a of the wall Sa being opposite the corresponding orifices 7b and 8b of the wall 5b.
  • the diameter of the orifices 7a, 7b and 8a, 8b is adapted to the size of the optical system or of the components installed in the corresponding holes perpendicular to the walls Sa, 5b.
  • the optical system support 4 is mounted on a first carriage 9 in a manner which will be described below.
  • Said first carriage 9 has a U-shaped section and its lower end adjacent to frame 2 is cut so as to follow the shape said chassis 2. It is arranged in alignment with the orifices 8a, 8b of the support optical system 4 and the top of its walls is notched to receive the system optics placed in said orifices 8a, 8b.
  • the first carriage 9 is movable in translation perpendicular to the source luminous S.
  • it is integral with a bracket 10 fixed on its bottom, said bracket 10 being driven in translation perpendicular to the light source S by a system comprising a worm 11 and a nut 12 secured to the bracket 10.
  • the worm 11 is arranged perpendicular to the light source S and is rotated by a motor 13 fixed to the chassis 2 of the device 1.
  • a guide ring 17 for example with linear bearing, is arranged in each orifice 16 and is arranged to slide with the bracket 10 on the slide 14 or 15.
  • the projection apparatus 1 comprises a second carriage 20 having the shape of a substantially rectangular plate and disposed integrally on the bottom 6 of the optical support 4 between the walls 5a, 5b.
  • the second carriage 20 is arranged in the alignment of the holes 8a, 8b of the optical system support 4 and the top of the plate is notched to receive the optical system installed in said orifices 8a, 8b.
  • the second carriage 20 is movable in translation parallel to the light source S.
  • its translational drive means include an endless screw 21 and a nut secured to the second carriage 20.
  • the endless screw 21 is disposed parallel to the light source S and is rotated by a motor 23 fixed on a wall of the first carriage 9. The free end is kept free in rotation in the other wall of said first carriage 9.
  • a guide ring 27 for example with a bearing linear, is arranged in each orifice 26 and is arranged to slide with the second carriage 20 on the slide 24 or 25.
  • the walls 5a, 5b of the optical support 4 also have holes 28 to 30 for the passage of the slides 24, 25 and the worm 21 respectively.
  • slides 24, 25 make it possible to mount the optical support 4 on the first carriage 9 and to raise it so that said optical support 4 is fixed relative to the first carriage 9 in the direction perpendicular to the light source S and mobile with respect to said first carriage 9 in the direction parallel to the light source S.
  • Motors 13 and 23 are controlled by a servo device (not shown) electrical or electronic.
  • the servo device is programmed to activate the motor 13. Via the worm 11 and the nut 12, the square 10 and therefore the first carriage 9 move perpendicularly at the light source S along the slides 14 and 15 so as to position by example the optical system installed in the orifices 7a, 7b of the support optical system 4 in front of the light source S, as shown in the Figures 2 to 4.
  • the travel of the optical system support 4 is limited by the walls side of the first carriage 9.
  • the depth of field of the optical system used is adjusted by actuating the motor 23. Via the worm screw 21 and the associated nut to the second carriage 20, the latter and therefore the optical system support 4 is move parallel to the light source S along the rails 24 and 25 towards forward or backward. The travel of the optical support 4 is limited by the walls of the first carriage 9.
  • the motor 13 is operated.
  • the bracket 10, the carriage 9 and the optical system support 4 move in translation along the slides 14 and 15 on the left relative to Figure 2 of so as to position the optical system put in place in the openings 8a, 8b in front the light source S. If necessary, the depth of field of the system optics used can be adjusted as already described above.
  • the present invention is not limited to the embodiment described but extends to any modification and variant obvious to a person skilled in the art.
  • the walls 5a, 5b of the optical system support 4 can have more than two holes so to have more than two optical systems in the projection apparatus generating different light effects.
  • the length of the worm 11 and the runners 14, 15 is calculated to have sufficient travel to place one of the optics in front of the light source.
  • the dimensions of the chassis 2 are suitable.
  • optical system support 4 is not not secured to the first carriage 9 but is raised by the slides 24 and 25 of so as to be able to move said optical support 4 parallel to the source It is obvious that when it is not necessary to adjust the optical systems depth of field, optical system support 4 can be integral with the first carriage 9 and in this case have only one direction of possible displacement perpendicular to the light source S.
  • optical system support 4 can be mounted on a carriage pivoting around an axis, comprising means for driving in rotation arranged to move the optical system support 4 around said axis so as to place the optical system selected in front of the light source S.
  • Other equivalent training means may also be suitable.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Projection Apparatus (AREA)
EP00440230A 1999-08-23 2000-08-22 Lichtspiele-Projektionsapparat Withdrawn EP1079174A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9910763A FR2797939B1 (fr) 1999-08-23 1999-08-23 Appareil de projection de jeux de lumiere
FR9910763 1999-08-23

Publications (1)

Publication Number Publication Date
EP1079174A1 true EP1079174A1 (de) 2001-02-28

Family

ID=9549327

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00440230A Withdrawn EP1079174A1 (de) 1999-08-23 2000-08-22 Lichtspiele-Projektionsapparat

Country Status (2)

Country Link
EP (1) EP1079174A1 (de)
FR (1) FR2797939B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012138770A3 (en) * 2011-04-04 2013-01-17 Robe Lighting Inc A dual graphic wheel for an automated luminaire
CN103502865B (zh) * 2011-04-04 2016-11-30 罗布照明有限公司 用于自动照明装置的双图形轮盘
US10132456B2 (en) 2011-04-04 2018-11-20 Robe Lighting S.R.O. Dual graphic wheel for an automated luminaire

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5791755A (en) 1996-11-14 1998-08-11 Wybron Incorporated Gobo handler apparatus
WO1999017052A1 (en) 1997-09-30 1999-04-08 Vari-Lite, Inc. Projection gate apparatus having an axially-translatable mount

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5791755A (en) 1996-11-14 1998-08-11 Wybron Incorporated Gobo handler apparatus
WO1999017052A1 (en) 1997-09-30 1999-04-08 Vari-Lite, Inc. Projection gate apparatus having an axially-translatable mount

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012138770A3 (en) * 2011-04-04 2013-01-17 Robe Lighting Inc A dual graphic wheel for an automated luminaire
CN103502865A (zh) * 2011-04-04 2014-01-08 罗布照明有限公司 用于自动照明装置的双图形轮盘
CN103502865B (zh) * 2011-04-04 2016-11-30 罗布照明有限公司 用于自动照明装置的双图形轮盘
US10132456B2 (en) 2011-04-04 2018-11-20 Robe Lighting S.R.O. Dual graphic wheel for an automated luminaire
US10145524B2 (en) 2011-04-04 2018-12-04 Robe Lighting S.R.O Dual graphic wheel for an automated luminaire

Also Published As

Publication number Publication date
FR2797939B1 (fr) 2001-12-21
FR2797939A1 (fr) 2001-03-02

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