WO2009096472A1 - Projecteur à faisceau dirigé - Google Patents

Projecteur à faisceau dirigé Download PDF

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Publication number
WO2009096472A1
WO2009096472A1 PCT/JP2009/051470 JP2009051470W WO2009096472A1 WO 2009096472 A1 WO2009096472 A1 WO 2009096472A1 JP 2009051470 W JP2009051470 W JP 2009051470W WO 2009096472 A1 WO2009096472 A1 WO 2009096472A1
Authority
WO
WIPO (PCT)
Prior art keywords
lens
cylindrical body
reflecting mirror
spotlight
light
Prior art date
Application number
PCT/JP2009/051470
Other languages
English (en)
Japanese (ja)
Inventor
Susumu Harada
Seishirou Hagiwara
Hiroshi Kashimura
Original Assignee
Koto Electric Co., 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
Priority claimed from JP2008019412A external-priority patent/JP2009181795A/ja
Priority claimed from JP2008114154A external-priority patent/JP2009266568A/ja
Application filed by Koto Electric Co., Ltd. filed Critical Koto Electric Co., Ltd.
Publication of WO2009096472A1 publication Critical patent/WO2009096472A1/fr

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Classifications

    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/04—Fastening of light sources or lamp holders with provision for changing light source, e.g. turret
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/16—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed
    • F21V11/18—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed movable, e.g. flaps, slides
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/02—Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing
    • 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 a spotlight used in a stage or a broadcasting station studio.
  • a cylinder body (lamp body) that opens forward and backward, a lid body (back plate of a socket holder) that is provided at the rear end of the cylinder body so as to be openable and closable, and a front side of the cylinder body are accommodated.
  • a spotlight including a light bulb including a base connected to a tube and protruding rearward from the opening of the concave reflecting mirror, and a socket for supporting the light bulb with the base inserted.
  • the socket holder to which the socket is fixed is fitted into the rear opening (bulb outlet) of the spotlight tube.
  • the socket holder is pulled out to the rear side of the cylinder, and then rotated and moved at a rear position so that the socket and the bulb are projected to the outside of the cylinder, and the bulb and the socket are longitudinally moved together. It is described that the bulbs can be easily replaced because they are arranged in the direction.
  • Patent Document 2 In the spotlight of Patent Document 2, first, a lid (rear plate) provided at the rear end of the cylindrical body is opened, and then the reflecting mirror installed inside the cylindrical body is tilted and moved with its lower end as a fulcrum. A gap is formed above the reflecting mirror inside the body, and the bulb is exchanged by taking out the bulb disposed on the front side of the reflecting mirror from the opening on the rear side of the cylinder through the gap.
  • the spotlight wipes off dirt adhering to the front surface (concave surface) of the reflecting mirror or removes the lens to remove the lens. Maintenance such as cleaning of dirt adhering to the surface is required.
  • the spotlight is installed at a high place such as a ceiling in an inclined state so that the irradiation light faces obliquely downward. Therefore, it is desirable to take out the lens to the outside from the opening on the rear side of the cylindrical body in order to prevent the lens from dropping during the removal work.
  • Patent Document 1 and Patent Document 2 are devised to facilitate replacement of the light bulb.
  • the spotlight of Patent Document 1 needs to remove the reflecting mirror from the cylindrical body in order to wipe off the dirt attached to the front surface of the reflecting mirror.
  • An object of the present invention is to provide a spotlight excellent in maintainability of a light bulb, a reflecting mirror and a lens.
  • the present invention relates to a cylindrical body that opens in the front-rear direction, a lid body that can be opened and closed at the rear end of the cylindrical body with the rear portion of the cylindrical body as a fulcrum, a lens that is accommodated on the front side of the cylindrical body, a lens and a lid body, A concave reflecting mirror with a hole in the center, a tube disposed between the lens and the concave reflecting mirror, and a tube connected to the tube and protruding backward from the hole of the concave reflecting mirror. And a socket for supporting the light bulb in a state where the cap is inserted, and the concave reflecting mirror and the socket are movable in the front-rear direction of the cylindrical body on the cylindrical wall surface of the lid body.
  • the spotlight is supported and fixed to a movable support provided.
  • Preferred embodiments of the spotlight of the present invention are as follows.
  • the front end of the concave reflecting mirror is disposed on the front side of the rear end of the cylindrical body with the movable support moved most backward, and the cylindrical body and the lid body are formed on the inner wall surface of the cylindrical body.
  • they are connected to each other via a connecting tool that can be inclined and moved with the position between the front end of the reflecting mirror and the rear end of the cylindrical body as a fulcrum.
  • a plurality of light shielding plates that can protrude to the inside of the periphery of the lens are arranged side by side along the periphery of the lens.
  • Each of the light shielding plates includes a handle that extends through the cylindrical body to the outside.
  • the number of the light shielding plates is in the range of 2 to 8.
  • the spotlight of the present invention can perform maintenance of all of its main components, that is, a light bulb, a concave reflector, and a lens easily and in a short time.
  • the spotlight of the present invention can perform maintenance of the lens and the concave reflecting mirror easily and in a short time without removing the concave reflecting mirror. For this reason, maintenance of the lens and the concave reflecting mirror can be frequently performed. Therefore, the spotlight of the present invention can be used particularly advantageously in a stage or a studio where a stable and high light quantity is required over a long period of time.
  • FIG. 1 is a front view showing a configuration example of the spotlight of the present invention
  • FIG. 2 is a right side view of the spotlight 10 of FIG. 1, and FIG. It is sectional drawing of the spotlight 10 cut
  • FIG. 4 is an enlarged view of the light bulb 16, the concave reflecting mirror 15, the socket 17, and the movable support 18 shown in FIG.
  • FIG. 5 is a partially cutaway perspective view showing a configuration of a portion in the vicinity of the light shielding plate 42a shown in FIG.
  • the spotlight 10 is accommodated on the front side of the cylindrical body 11, a cylindrical body 11 that opens forward and backward, a lid body 13 that can be opened and closed with the rear portion of the cylindrical body 11 as a fulcrum 12 at the rear end of the cylindrical body 11.
  • the light bulb 16 includes a base 16b that is connected to 16a and protrudes rearward from the hole 15a of the concave reflecting mirror 15, and a socket 17 that supports the light bulb 16 with the base 16b inserted.
  • the concave reflecting mirror 15 and the socket 17 are supported and fixed to a movable support 18 provided on the cylindrical side wall surface of the lid 13 so as to be movable in the front-rear direction of the cylindrical body 11.
  • the light bulb 16 includes a tube 16a and a base 16b.
  • the tube 16a is usually made of glass.
  • a bipost type base is used as the base 16b.
  • the bipost type base 16 b is provided with a pair of rod-like external electrode terminals (not shown) inserted into the socket 17.
  • a known base such as a screw-type base can be used.
  • the filament 16c for example, a coil formed of a tungsten filament and further spirally wound (generally called a double coil) is used.
  • a gas of halogen or a halogen compound eg, CH 3 Br, CH 2 Cl 2
  • a light bulb in which a halogen or halogen compound gas is enclosed is called a halogen light bulb.
  • nitrogen gas, oxygen gas, argon gas, or the like may be sealed inside the tube 16a.
  • the socket 17 a known socket corresponding to the cap 16b of the light bulb 16 is used.
  • the socket 17 is preferably provided with a lock mechanism for temporarily fixing the light bulb 16 in a state where the cap 16b is inserted.
  • the light bulb 16 applies electrical energy generated by a power source (not shown) to the filament 16c through the power cable 22, the electrical wiring 23, the socket 17, the base 16b, and the rod-like support electrodes 21a and 21b. Emits light.
  • the cylinder 11 is provided with ventilators 39a and 39b.
  • the light generated by the light bulb 16 reaches the lens 14 directly or indirectly through reflection on the front surface (concave surface) of the reflecting mirror 15, and then refracted by the lens 14, for example, in a stage or a studio.
  • a predetermined area is irradiated.
  • an area that is brightly illuminated by the light, which is formed on an illumination target such as a stage or a studio by irradiating the spotlight is referred to as a light irradiation area.
  • the concave reflecting mirror 15 for example, a spherical reflecting mirror is used.
  • a known concave reflecting mirror such as an ellipsoidal reflecting mirror or a parabolic reflecting mirror can be used.
  • a convex lens is used as the lens 14.
  • a known lens such as a Fresnel lens can be used in place of the convex lens.
  • the concave reflecting mirror 15 and the socket 17 are supported by a movable support 18 provided on the wall surface of the lid body 13 on the cylinder body 11 side so as to be movable in the longitudinal direction of the cylinder body. It is fixed.
  • the concave reflecting mirror 15 is provided on a supporting plate 28 of the movable supporting member 18 described later, for example, supporting materials 24a and 24b (the supporting material on the nearer side of the paper of FIG. 3 than the reflecting mirror 15 is illustrated). Is not fixed).
  • the movable support 18 is rotatably attached to guide shafts 25a and 25b fixed to the lid body 13, bushes (bearings) 26a and 26b slidably fitted around the respective guide shafts, and the lid body 13. And a support plate 28 fixed to the bushes 26a, 26b and the nut 27b.
  • the feed screw 27 includes a screw shaft 27a and a nut 27b fitted to the screw shaft 27a.
  • the support plate 28 can move along the length direction of the guide shaft (corresponding to the longitudinal direction of the cylinder 11). is there. Then, by turning a knob 29 provided at the rear end portion of the screw shaft 27a of the feed screw 27, the support plate 28 and the nut 27b are aligned with the length direction of the screw shaft 27a (the front-rear direction of the cylinder 11). Can be moved along. By moving the support plate 28, the light bulb 16 and the concave reflecting mirror 15 can be moved in the front-rear direction of the cylindrical body 11.
  • the mechanism for moving the support plate 28 in the front-rear direction of the cylindrical body 11 is not particularly limited.
  • a ball bush ball bearing
  • a ball screw is used as the feed screw 27. You can also.
  • the light irradiation area of the spotlight 10 can be enlarged or reduced.
  • the light irradiation region of the spotlight 10 can be expanded by moving the light bulb 16 and the concave reflecting mirror 15 forward from the position indicated by the solid line in FIG. 3 to the position indicated by the two-dot chain line.
  • the light color of the spotlight 10 can be set to various colors.
  • various dimming devices eg, a mechanically driven multicolor filter
  • a mechanically driven multicolor filter can be attached to the housing 52a.
  • a lid 13 that can be opened and closed with the rear portion of the cylinder 11 as a fulcrum 12 is provided.
  • the lid 13 is provided with a temporary fastener 34 that can be inclined and moved with a shaft 33 provided on the lid 13 as a fulcrum.
  • the lid 13 cannot be opened. That is, the lid 13 is configured so that it can be opened only when the movable support 18 is disposed on the most rear side together with the reflecting mirror 15. This is because when the lid 13 is opened with the reflecting mirror 15 disposed on the front side, the reflecting mirror 15 comes into contact with the inner wall surface of the cylindrical body 11.
  • FIG. 6 is a diagram showing the spotlight 10 in a state where the lid 13 is half-opened
  • FIG. 7 is a diagram showing the spotlight 10 in a state where the lid 13 is fully opened.
  • the light bulb 16 is disposed outside the cylinder 11. For this reason, the maintenance of the light bulb 16 can be easily performed. For example, wiping off dirt (eg, dust) attached to the tube 16a of the light bulb 16 or replacing the light bulb 16 when the filament 16c is disconnected can be performed easily and in a short time.
  • dirt eg, dust
  • the concave reflecting mirror 15 is also disposed outside the cylinder 11 together with the light bulb 16. For this reason, maintenance of the concave reflecting mirror 15 can also be easily performed. For example, dirt adhering to the front surface (concave surface) of the concave reflecting mirror 15 can be easily and quickly wiped off.
  • the concave reflecting mirror 15 is taken out of the cylinder 11, thereby forming a wide working space on the rear side of the lens 14 inside the cylinder 11. For this reason, the maintenance of the lens 14 can be easily performed. For example, by putting a hand into the inside of the cylinder 11 from the opening on the rear side of the cylinder 11, dirt attached to the surface on the rear side of the lens 14 can be wiped off easily and in a short time. Further, after removing the bolt 36 that fixes the lens 14, the lens 14 can be taken out from the opening on the rear side of the cylindrical body 11 and cleaned. The maintenance work of these lenses can be easily performed without removing the concave reflecting mirror 15.
  • the lens 14 of the spotlight 10 is supported by an annular support 37 that opens around the lens 14 with a diameter smaller than the outer diameter of the lens 14. For this reason, even if the lens 14 is suddenly removed when removing the bolt 36 as described above, the lens 14 does not jump out of the opening on the front side of the cylindrical body 11 and fall. Therefore, the lens 14 can be safely taken out of the cylindrical body 11.
  • the annular support 37 for example, a net is stretched in front of the lens inside the cylinder 11, or the inner diameter of the portion of the cylinder 11 in front of the lens 14 is set to be smaller than that of the lens 14. The lens can also be prevented from falling by making it smaller than the outer diameter.
  • the spotlight 10 of the present invention maintenance of all the main components, that is, the light bulb 16, the concave reflecting mirror 15, and the lens 14 can be performed easily, in a short time, and safely.
  • the maintenance of the lens 14 and the concave reflecting mirror 15 can be performed easily and in a short time without removing the concave reflecting mirror 15. For this reason, maintenance of the lens 14 and the concave reflecting mirror 15 can be performed frequently. Therefore, the spotlight 10 of the present invention can be used particularly advantageously in a stage or a studio where a stable and high light quantity is required over a long period of time.
  • the front end of the concave reflecting mirror 15 is in a state in which the movable support 18 is moved most backward (the reflecting mirror 15 is disposed at a position indicated by a solid line in the figure).
  • the cylinder 11 and the lid 13 are the inner wall surface of the cylinder 11 and the front end of the reflecting mirror 15 and the rear of the cylinder 11. It is preferable that they are connected to each other via a connecting tool 19 that can be inclined and moved with the position between the ends as a fulcrum 12.
  • connection tool 19 As shown in FIG. 8, as the connection tool 19, a known hinge including a substrate 19 a that rotatably supports a shaft (12) constituting the fulcrum 12 and a movable arm 19 b fixed to the shaft is used. It has been.
  • the fulcrum 12 when the fulcrum 12 is arranged on the inner wall surface of the cylindrical body 11 and between the front end of the reflecting mirror 15 and the rear end of the cylindrical body 11, the diameter of the cylindrical body 11 is reduced.
  • the Nawa spotlight 10 can be downsized.
  • the radius of rotation (Ra) of the top of the reflecting mirror 15 centered on the fulcrum 12 is the top of the reflecting mirror 15 centered on the position of the rear end of the cylindrical body 11 (position indicated by X in the figure). Smaller than the radius of rotation (Rb).
  • the fulcrum 12 when the fulcrum 12 is arranged at a position between the front end of the reflecting mirror 15 and the rear end of the cylindrical body 11, the top of the reflecting mirror 15 moves along the arrow 38a shown in the figure.
  • the reflecting mirror 15 can be taken out from the opening on the rear side of the cylindrical body 11.
  • the fulcrum is disposed at the position of the rear end of the cylindrical body 11 (the position indicated by X in the drawing)
  • the top of the reflecting mirror 15 moves along the arrow 38b.
  • the reflecting mirror 15 cannot be taken out from the opening on the rear side of the cylindrical body 11.
  • the “inner wall surface of the cylinder” includes a surface of another component (for example, the ventilator 39b) installed on the inner wall surface.
  • the distance Lb between the fulcrum 12 and the rear end of the cylinder 11 is 0.1 La to 0. It is preferably set to a value within the range of 5 La.
  • the distance Lb is too long, the radius of rotation of the bottom of the reflecting mirror 15 decreases, and the bottom of the reflecting mirror 15 may come into contact with the inner wall surface of the cylinder 11 when the lid 13 is opened. .
  • four light shielding plates 42 a, 42 b, 42 c, 42 d that can protrude inside the periphery of the lens 14 are arranged along the periphery of the lens 14. It is preferable that it is disposed.
  • the cylinder 11 of the spotlight 10 includes an outer cylinder 51a and an inner cylinder 51b fitted inside the front end portion of the outer cylinder 51a.
  • the four light shielding plates are attached to the inner cylinder 51b.
  • the shading plate 42a is provided with a handle 43 that extends through the cylindrical body 11 to the outside. Before and after the handle 43, L-shaped supports 44a and 44b fixed to the inner cylinder 51b are disposed. The support tools 44a and 44b are fixed to each other by bolts 45 with a spacer 46 interposed therebetween.
  • the support tool 44b includes a handle support plate 47 at the center in the width direction.
  • the handle support plate 47 is bent at an upper portion thereof, and a protruding portion 47a is formed on the handle 43 side.
  • the arrangement of the handle 43 is fixed by being sandwiched between the support tool 44a and the protruding portion 47a.
  • the light shielding plate 42a is moved in the radial direction of the lens (vertical direction in the light shielding plate 42a) or tilted (for example, shown by a two-dot chain line in FIG. 5). Can be moved).
  • the handle 43 is moved to the side of the lens 14 (downward).
  • the stopper 48 provided at the tip of the handle 43 comes into contact with the support tool 44a, the handle 43 is further prevented from moving to the lens side.
  • the light shielding plate can also be driven using a driving device.
  • the moving range of the light shielding plate 42 a can be adjusted by changing the length of the handle 43, the size of the hole 51 c of the inner cylinder 51 b through which the handle 43 passes, or the interval between the handle 43 and the spacer 46.
  • the light shielding plates 42a and 42b shown in FIG. 1 are moved to the lens 14 side most, and the light shielding plates 42c and 42d are moved to the opposite side from the lens side. It is filled in. Further, when the light shielding plate is moved to the lens 14 most, the lens 14 is arranged so that light does not leak to the side opposite to the lens 14 side of the light shielding plate (for example, the light shielding plate 42a shown in FIG. 1).
  • a light shielding ring 49 is provided in front of the lens. This light shielding ring may be provided in front of the light shielding plates 42a, 42b, 42c, 42d.
  • one or more of the four light shielding plates 42a, 42b, 42c, and 42d shown in FIG. 1 are moved to the lens side (extruded to the inner periphery of the lens), and the lens is moved.
  • the shape of the light irradiation region formed on the illumination object by the light of the spotlight can be changed.
  • the spotlight 10 is used for stage lighting
  • the shape of the light irradiation area formed by the spotlight is not irradiated to the audience seat in front of the stage.
  • the shape can be set.
  • the shape of the light irradiation region can be set to a shape in which light is not irradiated to the sleeves of the stage.
  • Each light shielding plate is made of, for example, stainless steel. In order to suppress reflection of light by the light shielding plate, it is preferable to coat the light shielding plate in black.
  • the number of light shielding plates is not particularly limited, but if the number of light shielding plates is large, the configuration of the spotlight becomes complicated, and the operation of the light shielding plates is troublesome. For this reason, the number of light shielding plates is preferably in the range of 2 to 8 (particularly 2 to 4).
  • a spotlight having such a light-shielding plate is particularly advantageously used in a stage or a studio where a stable and high amount of light is required over a long period of time and the shape of the light irradiation area needs to be changed. be able to.
  • FIG. 3 is a cross-sectional view of a spotlight 10 cut along a cutting line III-III entered in FIG. 1.
  • FIG. 4 is an enlarged view of the light bulb 16, the concave reflecting mirror 15, the socket 17, and the movable support 18 shown in FIG. 3 as viewed from above.
  • FIG. 2 is a partially cutaway perspective view showing a configuration of a portion in the vicinity of a light shielding plate a shown in FIG. It is a figure which shows the spotlight 10 of FIG. 3 in the state by which the cover body 13 was half opened. It is a figure which shows the spotlight 10 of FIG. 3 in the state which the cover body 13 opened fully. It is an expansion perspective view of the connection tool 19 shown in FIG.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

La présente invention concerne un projecteur à faisceau dirigé (10) qui comprend un corps cylindrique (11) ouvert sur l'avant et sur l'arrière ; un corps de couvercle (13) prévu pour s'ouvrir/se fermer à l'extrémité arrière du corps cylindrique, une section arrière du corps cylindrique servant de point de support (12) ; une lentille (14) stockée sur le côté avant du corps cylindrique ; un miroir réfléchissant concave (15) disposé entre la lentille et le corps de couvercle, pourvu d'un orifice central ; une ampoule (16) pourvue d'un récipient (16a) disposé entre la lentille et le miroir réfléchissant concave, et une virole (16b) qui est connectée au récipient et qui fait saillie vers le côté arrière à partir de l'orifice du miroir réfléchissant concave ; et une douille (17) qui supporte l'ampoule dans un état où la virole est insérée dans la douille. Le miroir réfléchissant concave (15) et la douille (17) sont supportés et fixés à un outil de support mobile (18), qui est monté de façon à pouvoir se déplacer dans la direction avant-arrière du corps cylindrique, sur une paroi latérale sur le côté corps cylindrique du corps de couvercle. L'ampoule, le miroir réfléchissant et la lentille présentent une excellente facilité d'entretien.
PCT/JP2009/051470 2008-01-30 2009-01-29 Projecteur à faisceau dirigé WO2009096472A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2008-019412 2008-01-30
JP2008019412A JP2009181795A (ja) 2008-01-30 2008-01-30 スポットライト
JP2008114154A JP2009266568A (ja) 2008-04-24 2008-04-24 スポットライト
JP2008-114154 2008-04-24

Publications (1)

Publication Number Publication Date
WO2009096472A1 true WO2009096472A1 (fr) 2009-08-06

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ID=40912816

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Application Number Title Priority Date Filing Date
PCT/JP2009/051470 WO2009096472A1 (fr) 2008-01-30 2009-01-29 Projecteur à faisceau dirigé

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WO (1) WO2009096472A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3674605A1 (fr) * 2018-12-25 2020-07-01 Self Electronics Co., Ltd. Sous-ensemble de réglage de points lumineux pour une lampe de projection

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS3619276Y1 (fr) * 1959-11-14 1961-07-26
JPS4845486Y1 (fr) * 1970-08-11 1973-12-27
JPS59134218U (ja) * 1983-02-25 1984-09-07 松下電工株式会社 照明器具
JPH0214703U (fr) * 1988-07-14 1990-01-30
JP2003151303A (ja) * 2001-11-13 2003-05-23 Marumo Denki Kk 効果照明装置用エフェクトスポットライト

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS3619276Y1 (fr) * 1959-11-14 1961-07-26
JPS4845486Y1 (fr) * 1970-08-11 1973-12-27
JPS59134218U (ja) * 1983-02-25 1984-09-07 松下電工株式会社 照明器具
JPH0214703U (fr) * 1988-07-14 1990-01-30
JP2003151303A (ja) * 2001-11-13 2003-05-23 Marumo Denki Kk 効果照明装置用エフェクトスポットライト

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3674605A1 (fr) * 2018-12-25 2020-07-01 Self Electronics Co., Ltd. Sous-ensemble de réglage de points lumineux pour une lampe de projection

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