CN107102443A - Projection kaleidoscope - Google Patents

Projection kaleidoscope Download PDF

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Publication number
CN107102443A
CN107102443A CN201710441760.XA CN201710441760A CN107102443A CN 107102443 A CN107102443 A CN 107102443A CN 201710441760 A CN201710441760 A CN 201710441760A CN 107102443 A CN107102443 A CN 107102443A
Authority
CN
China
Prior art keywords
convex lens
gear
optically focused
support base
projection
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.)
Pending
Application number
CN201710441760.XA
Other languages
Chinese (zh)
Inventor
张成春
张晏维
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.)
ZAIXING ELECTRONIC (SHENZHEN) CO Ltd
Original Assignee
ZAIXING ELECTRONIC (SHENZHEN) 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
Application filed by ZAIXING ELECTRONIC (SHENZHEN) CO Ltd filed Critical ZAIXING ELECTRONIC (SHENZHEN) CO Ltd
Priority to CN201710441760.XA priority Critical patent/CN107102443A/en
Publication of CN107102443A publication Critical patent/CN107102443A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/02Viewing or reading apparatus
    • G02B27/08Kaleidoscopes
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details

Abstract

The present invention is on a kind of projection kaleidoscope, it includes a housing, one smooth feeding mechanism, one tumbler, one film unit, one mirror barrel and a projection convex lens, spaced one first support base and one second support base are set in the housing, the light feeding mechanism is located at second support base and towards first support base, the tumbler is located at first support base, the film unit is all located at the tumbler with the mirror barrel, and the film unit is located between the light feeding mechanism and the mirror barrel, and the tumbler drives the film unit to be rotated backward with the mirror barrel, the projection convex lens is located at the housing and towards the mirror barrel.By the light feeding mechanism, film unit, mirror barrel and the configuration of projection convex lens, image projection can be come out and supply many people to watch together, and counter-rotational film unit can increase the variability of image with mirror barrel.

Description

Projection kaleidoscope
Technical field
The present invention is a kind of projection kaleidoscope, the projection ten thousand that can espespecially come out the image projection formed in kaleidoscope Cylindrical fireworks.
Background technology
Existing kaleidoscope, which is included, forms a space in a cylinder, the cylinder, the two ends of the cylinder form one first and opened respectively Mouth and one second opening, the kaleidoscope set a pattern unit at the first opening of the cylinder, and in the space of the cylinder One mirror barrel is set, wherein, the pattern unit has multicolour, and the kaleidoscope allows the pattern unit by the reflection of light Image forms diverse image via the multiple reflections of the mirror barrel.
However, people are intended to know that when the diverse image that the kaleidoscope shows is, it is necessary to by eyes close to the cylinder Second be open and watch, existing kaleidoscope can only provide a people viewing, it is impossible to show and many people be provided and watch simultaneously.
The content of the invention
The technical problem to be solved in the present invention is:A kind of projection kaleidoscope is provided, it is uncommon thereby to improve existing kaleidoscope only A people can be provided viewing, it is impossible to show for many people while the problem of watching.
The present invention technical solution be:A kind of projection kaleidoscope is provided, it includes a housing, light supply dress Put, a tumbler, a film unit, a mirror barrel and a projection convex lens, an assembly space is formed in the housing, and at this The leading flank formation one of housing projects mouth, and the projection mouthful connects the assembly space, and the housing sets interval at the assembly space One first support base and one second support base of arrangement, first support base is adjacent to the leading flank of the housing, second support base The trailing flank of the neighbouring housing, the light feeding mechanism is provided in the second support base of the housing and towards first support base, The light feeding mechanism includes an illuminating part and an optically focused convex lens group, and the illuminating part is arranged on second support base, the optically focused convex lens Group is arranged on the illuminating part, and the tumbler is provided in the first support base of the housing, and the tumbler includes a driving Part and a driving member, the actuator are located at first support base, and the driving member is located at first support base and connects the actuator, The film unit is located on the driving member of the tumbler, and towards the optically focused convex lens group, the mirror barrel is located at rotation dress On the driving member put, the two ends of the mirror barrel are respectively for the film unit and the projection mouthful, and the projection convex lens is located at the shell At the projection mouthful of body and towards the mirror barrel, wherein, the tumbler drives the film unit reversely to turn with the mirror barrel It is dynamic.
Projection kaleidoscope as described above, the mirror barrel includes three facial plane reflecting optics, three facial plane reflection Eyeglass is connected and forms the cylindrical member of triangle, and the three facial planes reflecting optics corral forms a reflection space.
Projection kaleidoscope as described above, the mirror barrel includes multiaspect plane reflection eyeglass, the multiaspect plane reflection Eyeglass is connected and forms polygonal cylindrical member, and the multiaspect plane reflection eyeglass corral forms a reflection space.
Projection kaleidoscope as described above, the actuator is located at the leading flank of first support base, and the driving member is located at The trailing flank of first support base, the driving member includes a first gear, a second gear, one the 3rd gear and one the 4th tooth Wheel, the first gear connects the actuator, and the second gear is engaged with the first gear, and the 3rd gear is nibbled with the second gear Close, the 3rd gear has a rotating shaft, and the film unit is fixedly arranged on the rotating shaft of the 3rd gear, the 4th gear with this One gear is engaged, and the mirror barrel insert group is opposite with the steering of the 4th gear in the 4th gear, and the 3rd gear.
Projection kaleidoscope as described above, the illuminating part includes a radiating fin and a luminescence unit, the radiating fin The leading flank of second support base is located at, the luminescence unit is located at the leading flank of the radiating fin, the optically focused convex lens group includes one Group connects cylinder, one first optically focused convex lens and one second optically focused convex lens, and the group connects cylinder and is located on the radiating fin and around the hair Light unit, the first optically focused convex lens are located at the group and connect in cylinder and towards the luminescence unit, and with one first convex globoidal, and this Two optically focused convex lens are located at the group and connect in cylinder and towards the first optically focused convex lens, and with one towards the of first convex globoidal Two convex globoidals, the group connects cylinder comprising an inner cylinder and an outer barrel, one first semi-ring that the inner cylinder is set comprising pairing and one the second half Ring, the first optically focused convex lens are located in the inner cylinder with the second optically focused convex lens, and the outer sleeve is together in the inner cylinder and is arranged on The radiating fin.
It is an advantage of the invention that:The light feeding mechanism of the projection kaleidoscope can provide light, poly- by the optically focused convex lens group Defocused to be projected to the film unit, by the pattern projection of the film unit to the mirror barrel, and the tumbler drives the glue Roll unit is rotated backward with the mirror barrel, allows the pattern cast out from the film unit to be mutually reflected in the mirror barrel After mobile and refraction, then diverse image gone out by the projection convex lens projection imaging, and many people can be provided and watched together.
Brief description of the drawings
Fig. 1 is the three-dimensional combination diagram of a specific embodiment of projection kaleidoscope of the present invention.
Fig. 2 is the perspective exploded view of a specific embodiment of projection kaleidoscope of the present invention.
Fig. 3 is the combination partial cutaway schematic of a specific embodiment of projection kaleidoscope of the present invention.
Fig. 4 is the light feeding mechanism and the stereo decomposing of film unit of a specific embodiment of projection kaleidoscope of the present invention Schematic diagram.
Fig. 5 is the perspective exploded view of the light feeding mechanism of a specific embodiment of projection kaleidoscope of the present invention.
Fig. 6 is the film unit of a specific embodiment of projection kaleidoscope of the present invention and the stereo decomposing of the tumbler Schematic diagram.
Fig. 7 is the film unit, tumbler and mirror barrel of a specific embodiment of projection kaleidoscope of the present invention Combine schematic side view.
Drawing reference numeral
10 housings
11 assembly spaces
12 projection mouths
13 first support bases
14 second support bases
15 bases
Covered on 16
20 smooth feeding mechanisms
21 illuminating parts
21 radiating fins
212 luminescence units
22 optically focused convex lens groups
23 groups connect cylinder
24 first optically focused convex lens
241 first convex globoidals
25 second optically focused convex lens
251 second convex globoidals
26 inner cylinders
261 first semi-rings
262 second semi-rings
27 outer barrels
30 tumblers
31 actuators
32 driving members
33 first gears
34 second gears
35 the 3rd gears
351 rotating shafts
36 the 4th gears
37 covers
38 the 5th gears
40 film units
41 films
42 first film disks
43 second film disks
50 mirror barrels
51 plane reflection eyeglasses
52 reflection spaces
60 projection convex lens
Embodiment
Coordinate schema and presently preferred embodiments of the present invention below, the present invention is expanded on further to reach predetermined goal of the invention institute The technological means taken.
Fig. 1 to Fig. 3 is referred to, is a kind of preferred embodiment of projection kaleidoscope of the present invention, it includes a housing 10, one Light feeding mechanism 20, a tumbler 30, a film unit 40, a mirror barrel 50 and a projection convex lens 60.
An assembly space 11 is formed in the housing 10, and mouth 12, the projection are projected in the leading flank formation one of the housing 10 Mouth 12 connects the assembly space 11, and the housing 10 sets spaced one first support base 13 and one at the assembly space 11 Second support base 14, first support base 13 is adjacent to the leading flank of the housing 10, and second support base 14 is adjacent to the housing 10 Trailing flank, wherein, the housing 10 has lid 16 on a base 15 and one, and lid 16 covers the base 15 on this, first support base 13 and second support base 14 are to be located at the base 15.
The light feeding mechanism 20 is provided in the second support base 14 of the housing 10 and towards first support base 13, the light Feeding mechanism 20 includes an illuminating part 21 and an optically focused convex lens group 22, and the illuminating part 21 is arranged on second support base 14, and this gathers Light convex lens group 22 is arranged on the illuminating part 21, wherein, the luminescence unit 212 is LED, and can send polychromatic light.
The tumbler 30 is provided in the first support base 13 of the housing 10, and the tumbler 30 includes an actuator 31 And a driving member 32, the actuator 31 is located at first support base 13, and the driving member 32 is located at first support base 13 and connected The actuator 31.
The film unit 40 is located on the driving member 32 of the tumbler 30, and towards the optically focused convex lens group 22, wherein, should Film unit 40 includes a film 41, one first film disk 42 and one second film disk 43, and the first film disk 42 is located at the glue The leading flank of volume 41, the second film disk 43 is located at the trailing flank of the film 41.
The mirror barrel 50 is located on the driving member 32 of the tumbler 30, and the two ends of the mirror barrel 50 are respectively for this Film unit 40 and projection mouthful 12, wherein, the tumbler 30 drives the film unit 40 reversely to turn with the mirror barrel 50 It is dynamic, wherein, the mirror barrel 50 includes three facial plane reflecting optics 51, and the three facial planes reflecting optics 51 are connected and form three Angular cylindrical member, and the corral of three facial planes reflecting optics 51 one reflection space 52 of formation, or, the mirror barrel 50 is wrapped The eyeglass of plane reflection containing multiaspect 51, the multiaspect plane reflection eyeglass 51 is connected and forms polygonal cylindrical member, and this is more The corral of facial plane reflecting optics 51 one reflection space 52 of formation.
The projection convex lens 60 is located at the projection mouthful 12 of the housing 10 and towards the mirror barrel 50, wherein, the projection is convex Mirror 60 is biconvex lens.
As shown in Fig. 3, Fig. 6, Fig. 7, the actuator 31 is located at the leading flank of first support base 13, and the driving member 32 is located at The trailing flank of first support base 13, the driving member 32 comprising a first gear 33, a second gear 34, one the 3rd gear 35 and One the 4th gear 36, the first gear 33 connects the actuator 31, and the second gear 34 is engaged with the first gear 33, and the 3rd Gear 35 is engaged with the second gear 34, and the 3rd gear 35 has a rotating shaft 351, and the film unit 40 be fixedly arranged on this The rotating shaft 351 of three gears 35, the 4th gear 36 is engaged with the first gear 33, and the insert group of mirror barrel 50 is in the 4th tooth Wheel 36, and the 3rd gear 35 and the 4th gear 36 steering on the contrary, in addition, the tumbler 30 includes a cover 37, The cover 37 is located at the trailing flank of first support base 13 and covers the driving member 32, and the driving member 32 is further comprising one the Five gears 38, the 5th gear 38 connects first support base 13 and the cover 37, and the 5th gear 38 and the 4th gear 36 engagements.
As shown in Figures 2 to 5, the illuminating part 21 includes a radiating fin 211 and a luminescence unit 212, the radiating fin 211 are located at the leading flank of second support base 14, and the luminescence unit 212 is located at the leading flank of the radiating fin 211, and the optically focused is convex Microscope group 22 connects cylinder 23, one first optically focused convex lens 24 and one second optically focused convex lens 25 comprising one group, and the group connects cylinder 23 and is located at this On radiating fin 211 and around the luminescence unit 212, the first optically focused convex lens 24 are located at the group and connect in cylinder 23 and towards the hair Light unit 212, and with one first convex globoidal 241, the second optically focused convex lens 25 be located at the group connect in cylinder 23 and towards this One optically focused convex lens 24, and with one towards first convex globoidal 241 the second convex globoidal 251, wherein, the group connects cylinder 23 and included One inner cylinder 26 and an outer barrel 27, the inner cylinder 26 include one first semi-ring 261 and one second semi-ring 262 that pairing is set, and this first Optically focused convex lens 24 are located in the inner cylinder 26 with the second optically focused convex lens 25, and the outer barrel 27 is sleeved on the inner cylinder 26 and is arranged on The radiating fin 211.
When in use, the illuminating part 21 of the light feeding mechanism 20 can emit beam, and light then passes through the optically focused convex lens group 22 the first optically focused convex lens 24 and the second optically focused convex lens 25, project the group and connect the light of cylinder 23 and be then projected to the film list Member 40, then the pattern projection of the film unit 40 is passed through into the plane mirror of the mirror barrel 50 into the mirror barrel 50 Piece 51 reflects and reflected, and forms diverse image, then is come out diverse image projection imaging by the projection convex lens 60, During, the tumbler 30 can drive the film unit 40 to be rotated backward with the mirror barrel 50, and the actuator 31 drives should The first gear 33 of driving member 32 is rotated, and first gear 33 drives the second gear 34 to be rotated with the 4th gear 36, second tooth Wheel is 34 identical with the rotation direction of the 4th gear 36, and with the rotation direction of the first gear 33 on the contrary, the band of second gear 34 Dynamic 3rd gear 35 is rotated, and the rotation direction of the 3rd gear 35 is with the rotation direction of the second gear 34 on the contrary, the i.e. the 3rd The rotation direction of gear 35 is identical with the rotation direction of the first gear 33, and the 3rd gear 35 drives the film unit 40 1 Rise and rotate, the 4th gear 36 drives the mirror barrel 50 to rotate together, so the rotation direction of the film unit 40 is anti-with this The rotation direction for penetrating lens barrel 50 is opposite.
In summary, the diverse image that the projection kaleidoscope is formed after can the mirror barrel 50 be handled is projected Come, be available for many people to watch together, and counter-rotational film unit 40 and mirror barrel 50, variability can be increased.
Described above is only presently preferred embodiments of the present invention, not does any formal limitation to the present invention, though So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people Member, in the range of technical solution of the present invention is not departed from, when the technology contents using the disclosure above make a little change or repair The equivalent embodiment for equivalent variations is adornd, as long as being the content without departing from technical solution of the present invention, the technology according to the present invention is real Any simple modification, equivalent variations and modification that confrontation above example is made, still fall within the scope of technical solution of the present invention It is interior.

Claims (8)

1. a kind of projection kaleidoscope, it is characterised in that the projection kaleidoscope is included:
An assembly space is formed in one housing, the housing, and mouth, the projection are projected in the leading flank formation one of the housing The mouth connection assembly space, the housing sets spaced one first support base and one second at the assembly space Support base, first support base is adjacent to the leading flank of the housing, trailing flank of second support base adjacent to the housing;
One smooth feeding mechanism, the smooth feeding mechanism is provided in the second support base of the housing and supported towards described first Seat, the smooth feeding mechanism includes an illuminating part and an optically focused convex lens group, and the illuminating part is arranged on second support base, institute Optically focused convex lens group is stated to be arranged on the illuminating part;
One tumbler, the tumbler is provided in the first support base of the housing, and the tumbler drives comprising one Moving part and a driving member, the actuator are located at first support base, and the driving member is located at first support base and company Connect the actuator;
One film unit, the film unit is located on the driving member of the tumbler, and towards the optically focused convex lens group;
One mirror barrel, the mirror barrel is located on the driving member of the tumbler, the two ends difference of the mirror barrel Towards the film unit and the projection mouth;
One projection convex lens, the projection convex lens is located at the projection mouthful of the housing and towards the mirror barrel;
Wherein, the tumbler drives the film unit to be rotated backward with the mirror barrel.
2. projection kaleidoscope according to claim 1, it is characterised in that the mirror barrel reflects comprising three facial planes Eyeglass, the three facial planes reflecting optics are connected and form the cylindrical member of triangle, and the three facial planes reflecting optics Corral one reflection space of formation.
3. projection kaleidoscope according to claim 1, it is characterised in that the mirror barrel includes multiaspect plane reflection Eyeglass, the multiaspect plane reflection eyeglass is connected and forms polygonal cylindrical member, and the multiaspect plane reflection eyeglass Corral one reflection space of formation.
4. projection kaleidoscope according to any one of claim 1 to 3, it is characterised in that the actuator is located at institute State the leading flank of the first support base, the driving member is located at the trailing flank of first support base, the driving member includes one the One gear, a second gear, one the 3rd gear and one the 4th gear, the first gear connect the actuator, described second Gear is engaged with the first gear, and the 3rd gear is engaged with the second gear, and the 3rd gear has a rotating shaft, And the film unit is fixedly arranged on the rotating shaft of the 3rd gear, the 4th gear is engaged with the first gear, described anti- Penetrate lens barrel insert group opposite with the steering of the 4th gear in the 4th gear, and the 3rd gear.
5. projection kaleidoscope according to any one of claim 1 to 3, it is characterised in that the illuminating part includes one Radiating fin and a luminescence unit, the radiating fin are located at the leading flank of second support base, and the luminescence unit is located at The leading flank of the radiating fin, the optically focused convex lens group connects cylinder, one first optically focused convex lens and one second optically focused comprising one group Convex lens, described group connects cylinder and is located on the radiating fin and around the luminescence unit, and the first optically focused convex lens are located at Described group connects in cylinder and towards the luminescence unit, and with one first convex globoidal, the second optically focused convex lens are located at described Group is connect in cylinder and towards the first optically focused convex lens, and with one towards first convex globoidal the second convex globoidal.
6. projection kaleidoscope according to claim 4, it is characterised in that the illuminating part includes a radiating fin and one Luminescence unit, the radiating fin is located at the leading flank of second support base, and the luminescence unit is located at the radiating fin Leading flank, the optically focused convex lens group connects cylinder, one first optically focused convex lens and one second optically focused convex lens, described group comprising one group Connect cylinder to be located on the radiating fin and around the luminescence unit, the first optically focused convex lens are located at described group and connect in cylinder simultaneously Towards the luminescence unit, and with one first convex globoidal, the second optically focused convex lens be located at described group connect in cylinder and towards The first optically focused convex lens, and with one towards first convex globoidal the second convex globoidal.
7. projection kaleidoscope according to claim 5, it is characterised in that described group connects cylinder comprising outside an inner cylinder and one Cylinder, the inner cylinder includes one first semi-ring and one second semi-ring that pairing is set, the first optically focused convex lens and described second Optically focused convex lens are located in the inner cylinder, and the outer sleeve is together in the inner cylinder and is arranged on the radiating fin.
8. projection kaleidoscope according to claim 6, it is characterised in that described group connects cylinder comprising outside an inner cylinder and one Cylinder, the inner cylinder includes one first semi-ring and one second semi-ring that pairing is set, the first optically focused convex lens and described second Optically focused convex lens are located in the inner cylinder, and the outer sleeve is together in the inner cylinder and is arranged on the radiating fin.
CN201710441760.XA 2017-06-13 2017-06-13 Projection kaleidoscope Pending CN107102443A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710441760.XA CN107102443A (en) 2017-06-13 2017-06-13 Projection kaleidoscope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710441760.XA CN107102443A (en) 2017-06-13 2017-06-13 Projection kaleidoscope

Publications (1)

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CN107102443A true CN107102443A (en) 2017-08-29

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Country Status (1)

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CN (1) CN107102443A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108391104A (en) * 2018-01-31 2018-08-10 翟文杰 A kind of multimedia equipment for smart home based on Internet of Things
CN109512431A (en) * 2019-01-10 2019-03-26 中国农业大学 Nuclear magnetic resonance fear of confined spaces is sustained sighting device
CN109512432A (en) * 2019-01-10 2019-03-26 中国农业大学 Nuclear magnetic resonance fear of confined spaces is sustained vision system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2562055Y (en) * 2002-06-28 2003-07-23 安特威电子(东莞)有限公司 Paint lamps
CN203773165U (en) * 2014-02-14 2014-08-13 百隆光电股份有限公司 Kaleidoscopic projector
CN203930301U (en) * 2014-05-13 2014-11-05 再兴电子(深圳)有限公司 Indoor outer projection machine
CN203982063U (en) * 2014-06-26 2014-12-03 再兴电子(深圳)有限公司 Image rotating projection arrangement
CN206930853U (en) * 2017-06-13 2018-01-26 再兴电子(深圳)有限公司 Projection kaleidoscope

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2562055Y (en) * 2002-06-28 2003-07-23 安特威电子(东莞)有限公司 Paint lamps
CN203773165U (en) * 2014-02-14 2014-08-13 百隆光电股份有限公司 Kaleidoscopic projector
CN203930301U (en) * 2014-05-13 2014-11-05 再兴电子(深圳)有限公司 Indoor outer projection machine
CN203982063U (en) * 2014-06-26 2014-12-03 再兴电子(深圳)有限公司 Image rotating projection arrangement
CN206930853U (en) * 2017-06-13 2018-01-26 再兴电子(深圳)有限公司 Projection kaleidoscope

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108391104A (en) * 2018-01-31 2018-08-10 翟文杰 A kind of multimedia equipment for smart home based on Internet of Things
CN109512431A (en) * 2019-01-10 2019-03-26 中国农业大学 Nuclear magnetic resonance fear of confined spaces is sustained sighting device
CN109512432A (en) * 2019-01-10 2019-03-26 中国农业大学 Nuclear magnetic resonance fear of confined spaces is sustained vision system

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