CN205378078U - Modularization projection equipment - Google Patents
Modularization projection equipment Download PDFInfo
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- CN205378078U CN205378078U CN201620184799.9U CN201620184799U CN205378078U CN 205378078 U CN205378078 U CN 205378078U CN 201620184799 U CN201620184799 U CN 201620184799U CN 205378078 U CN205378078 U CN 205378078U
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- mainboard
- mounting groove
- modularity
- projector
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- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 239000002184 metal Substances 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 150000002739 metals Chemical class 0.000 claims description 7
- 230000008859 change Effects 0.000 abstract description 9
- 238000009434 installation Methods 0.000 description 12
- 239000000306 component Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The utility model provides a modularization projection equipment relates to the projection equipment field. This kind of modularization projection equipment includes casing, projection mainboard and projector mechanism, and projection mainboard and projector mechanism setting are provided with the mounting groove in the casing in the casing, projection mainboard detachable peg graft in the mounting groove, the data output end of projection mainboard and the data input of projector mechanism end communication connection. The utility model discloses a this kind of modularization projection equipment separately sets up projector mechanism and projection mainboard and carries out the removable connection of unloading, when damaging appears in projector mechanism or projection mainboard, can only change one of them. In addition, can change the projection mainboard and carry out the purpose of upgrading in order to reach to projection equipment, perhaps keep the projection mainboard and change better projector mechanism, will all not change by whole projection equipment when that is to say upgrading projection equipment, lighten upgrade projection equipment's economic burden of consumer, avoid the wasting of resources.
Description
Technical field
This utility model relates to projector equipment field, in particular to a kind of modularity projector equipment.
Background technology
Projector is also known as scialyscope, it is by image or VIDEO PROJECTION or the equipment that reflexes on screen by digital light treatment technology or liquid crystal imaging technology, can by different signal sources, as computer, mobile phone, DVD, DV access corresponding image and video signal, it is achieved play.Projector is widely used in the places such as education, commercial affairs, engineering, domestic.
At present, the projector on market is all-in-one, namely for projecting the projector mechanism of image frame and being all integrated into as a whole being designed, produce and selling for various equipment such as the primary modules that controls.But owing to the service life of projector is longer, primary module is then along with the progressive renewal speed of science and technology is very fast, projector mechanism then renewal speed is slower, this results in and does not mate as what upgrade between the projector all parts of all-in-one, make user can only buy complete machine when upgrading, and then significantly increase the upgrade cost of user.
Along with application and the development of new technology of Internet, the update cycle of projector constantly shortens.Consumer demand to expect lasting meeting, and just can only place hope on the whole projector of replacing, and this has become as industry pain spot.
But consumer is a bigger financial burden by integral replacing projector, and also it is a kind of wasting of resources for environment.
Utility model content
The purpose of this utility model is in that to provide a kind of modularity projector equipment, to improve above-mentioned problem.
This utility model is achieved in that
A kind of modularity projector equipment, including housing, is provided with projection mainboard and projector mechanism, is provided with mounting groove in housing in housing, project the dismountable mounting groove that is plugged in of mainboard, and the data output end of projection mainboard communicates to connect with the data input pin of projector mechanism.
As preferably, projection mainboard has the first relative end and the second end, first end is provided with data output end head, the data input pin head corresponding with data output end head it is provided with in mounting groove, first end is additionally provided with power input head, is additionally provided with the power output end head corresponding with power input head in mounting groove.
As preferably, power output end has two the first conducting terminals being connected respectively with the positive pole of power supply and negative pole, and power supply input adapter has and two the first conducting terminals, two the first sheet metals one to one.
As preferably, power output end has two the second sheet metals being connected respectively with the positive pole in projector mechanism and negative pole, and power supply input adapter has and two the second sheet metals, two the second conducting terminals one to one.
As preferably, conducting terminal includes fairlead, metallic pin and back-moving spring, and metallic pin is embedded in fairlead along fairlead is axially slidable, and back-moving spring is arranged in fairlead and one end of back-moving spring is connected with metallic pin.
As preferably, the side of projection mainboard is provided with locking spring plate, and the inwall relative with side of mounting groove has the lock slots coordinated with locking spring plate.
As preferably, the opening part of mounting groove is hinged with the cover plate for opening or close mounting groove.
As preferably, being provided with set of cells in housing, the power output end of set of cells electrically connects with power supply out splice going splice.
As preferably, the second end of projection mainboard is provided with expansion interface.
As preferably, expansion interface is at least one in USB interface, audio interface, USB interface, DVI interface, HDMI, HML interface and memory expansion interface.
The beneficial effect that this utility model realizes: owing to projection mainboard and the projector mechanism of modularity projector equipment of the present utility model are structurally separate, both can split, can be connected as a single entity again simultaneously.Can changing projector mechanism and projection mainboard respectively, user can change required projector mechanism according to the needs of oneself, or replacing has oneself required projection mainboard.The configuration of projection mainboard can also be different according to the demand of user.For buy in just can according to oneself needing apolegamy projector mechanism and project mainboard.Owing to projector mechanism cycle of updating is long, in use, user want to upgrade oneself projector equipment time, original projection mainboard is taken out and loads onto new projection mainboard.
Accompanying drawing explanation
Fig. 1 illustrates the side view of the modularity projector equipment of embodiment 1 of the present utility model；
Fig. 2 illustrates the structural representation in Fig. 1 middle shell；
Fig. 3 illustrate the first conducting terminal in Fig. 1 and the first sheet metal not in contact with time schematic diagram；
Fig. 4 illustrates schematic diagram when the first conducting terminal in Fig. 1 and the contact of the first sheet metal；
Fig. 5 illustrates the structural representation in the housing of embodiment 2 of the present utility model；
Fig. 6 illustrate the first conducting terminal in Fig. 5 and the first sheet metal not in contact with time schematic diagram；
Fig. 7 illustrates the structural representation in the housing of embodiment 3 of the present utility model.
Wherein, the accompanying drawing of Fig. 1～Fig. 7 is labeled as:
Modularity projector equipment 100,300,400；Projector mechanism 200；Housing 210；Installation portion 211,301,401；Mounting groove 212,307,402；Data input pin head 213,304；Power output end head 214,303；First conducting terminal 215；Fairlead 216；Metallic pin 217；Back-moving spring 218；Projection mainboard 220,302；First end 221；Second end 222；Data output end head 223；Power input head 224；First sheet metal 225；Expand interface 226；Upper arm 227；Second sheet metal 305；Second conducting terminal 306；Cover plate 403.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of this utility model, rather than whole embodiments.Generally can with various different configurations arrange and design with the assembly of this utility model embodiment that illustrate described in accompanying drawing herein.
Therefore, below the detailed description of the embodiment of the present utility model provided in the accompanying drawings is not intended to limit claimed scope of the present utility model, but is merely representative of selected embodiment of the present utility model.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
It should also be noted that similar label and letter below figure represent similar terms, therefore, once a certain Xiang Yi accompanying drawing is defined, then it need not be carried out definition further and explain in accompanying drawing subsequently.
Additionally, term " first " and " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.
Embodiment 1, referring to Fig. 1～Fig. 4.
As depicted in figs. 1 and 2, the modularity projector equipment 100 that the present embodiment provides includes the projector mechanism 200, housing 210 and the projection mainboard 220 that removably connect.Projector mechanism 200 and projection mainboard 220 are arranged in housing 210.Having installation portion 211 in housing 210, installation portion 211 has the mounting groove 212 projecting mainboard 220 for grafting.The data output end of projection mainboard 220 communicates to connect with the data input pin of projector mechanism 200, and projection mainboard 220 is for providing data signal to projector mechanism 200.Projector mechanism 200 is additionally operable to power to projection mainboard 220.
Projection mainboard 220 has multiple functional module, for instance: wireless display signal processing module, closed circuit projection signal processing module and the Internet projection signal processing module etc..These functional modules can receive, resolve and change corresponding projection signal, and the projection signal after conversion is sent to projector mechanism 200 displays or play.The functional module of projection mainboard 220 includes but is not limited to processor, memorizer, wi-Fi module and bluetooth module.
The parts of projector mechanism 200 include but not limited to ray machine, cooling system and loudspeaker.
The modularity projector equipment 100 that the present embodiment provides is the improvement carried out on the basis of existing projector equipment, by the control member in projector equipment being integrated into independent projection mainboard 220, component for video playback is then integrated into projector mechanism 200, projection mainboard 220 and projector mechanism 200 are structurally separate, both can split, can be connected as a single entity again simultaneously.
Owing to the component updating speed in projector mechanism 200 is slower, project the component updating speed in mainboard 220 then very fast, so when projector equipment is upgraded, only the core component being currently needed for upgrading can be carried out independent upgrading, and the component etc. of the such as projector mechanism 200 that reservation need not be upgraded, and then effectively reduce the upgrade cost of projector equipment.
As in figure 2 it is shown, mounting groove 212 has the opening towards left side, projection mainboard 220 has the first relative end 221 and the second end 222, and wherein the second end 222 is near the peristome of mounting groove 212.First end 221 is provided with data output end head 223 and power input head 224, it is provided with the data input pin head 213 corresponding with data output end head 223 in mounting groove 212, in mounting groove 212, is additionally provided with the power output end head 214 corresponding with power input head 224.When projecting mainboard 220 and inserting in mounting groove 212, data output end head 223 is connected with data input pin head 213, power input head 224 is connected with power output end head 214, and projector mechanism 200 provides power supply to projection mainboard 220, and projection mainboard 220 can carry projection signal to projector mechanism 200.Projector mechanism 200 is provided with the power supply adaptor for driving projection mainboard 220 work, just can provide electric energy to projection mainboard 220 by power input head 224 with power output end head 214, and then projector mechanism 200 and projection 220 two relatively independent parts of mainboard can share a power supply.Being to make overall structure simpler on the one hand, volume is less；Cost can be saved on the other hand.
In addition, in order to make mounting groove 212 adapt to the projection mainboard 220 of different-thickness, mounting groove 212 is not closed, mounting groove 212 has the opening towards projection mainboard 220 thickness direction, the thickness of projection mainboard 220 mentioned here refers to the integral thickness of projection mainboard 220, the thickness of the circuit board of projection mainboard 220 is substantially without there being too big change, and the thickness principal element of impact projection mainboard 220 is the electronic component on circuit board, so mounting groove 212 is internally provided with the draw-in groove that the thickness with circuit board adapts.If projection mainboard 220 is thicker, the electronic component of projection mainboard 220 can pass the opening of mounting groove 212, so the projection mainboard 220 of different-thickness can be installed in mounting groove 212.
For strengthening the fixation of projection mainboard 220 and mounting groove 212, first end 221 of projection mainboard 220 is provided with the first magnetic part (not shown), in mounting groove 212, the wall relative with the first end 221 is provided with the second magnetic part (not shown), the first magnetic part and the second magnetic part and can adopt artificial Magnetitum or natural Magnet.The magnetic pole of one end close to each other of the first magnetic part and the second magnetic part is contrary, so the first magnetic part and the second magnetic part can attract each other.
For the ease of better realizing electrical connection between projection mainboard 220 and projector mechanism 200 while being mechanically connected, power output end head 214 and power input head 224 have been done further improvement by the present embodiment.As shown in Figures 2 and 3, power output end head 214 has two the first conducting terminals 215 being connected respectively with the positive pole in housing 210 and negative pole, and power input head 224 has and two the first conducting terminals 215, two the first sheet metals 225 one to one.
Time in the projection fully-inserted mounting groove 212 of mainboard 220, fitting all the time in order to ensure the first conducting terminal 215 and the first sheet metal 225 further, the first conducting terminal 215 includes fairlead 216, metallic pin 217 and back-moving spring 218.Metallic pin 217 slides and is embedded in fairlead 216, and one end of back-moving spring 218 is connected with metallic pin 217 and for promoting metallic pin 217.Owing to being provided with back-moving spring 218, the first conducting terminal 215 can be close to the first sheet metal 225.Fairlead 216 is made of metal, contact conduction between metallic pin 217 and fairlead 216.
It is connected as it is shown on figure 3, fairlead 216 is fixing with installation portion 211.When projecting mainboard 220 and being not fully inserted in mounting groove 212, under the effect of back-moving spring 218, the first protruding fairlead 216 of conducting terminal 215.As shown in Figure 4, when projecting in the fully-inserted mounting groove 212 of mainboard 220, metallic pin 217 is subject to the extruding of the first sheet metal 225 and retracts in fairlead 216, and metallic pin 217 and the first sheet metal 225 fit tightly realization electrical connection simultaneously.Under the effect of back-moving spring 218, the first sheet metal 225 and metallic pin 217 remain good contact.
Data input pin head 213 and data output end head 223 can adopt the structure of existing HDMI joint or HML joint.Such as, data input pin head 213 is HDMI female joint, and data output end head 223 is then HDMI male joint, and vice versa.
There is reasonable mechanical bonding force between data input pin head 213 and data output end head 223, substantially can ensure that projection mainboard 220 is not easily disconnected from mounting groove 212.But to guarantee that projection mainboard 220 can more stably be installed in mounting groove 212.The side of projection mainboard 220 is provided with locking spring plate, and the inwall relative with above-mentioned side of mounting groove 212 has the lock slots coordinated with locking spring plate.When projecting in the fully-inserted mounting groove 212 of mainboard 220, locking spring plate snaps in lock slots and makes the position of projection mainboard 220 remain unchanged, it is necessary to the opening part towards mounting groove 212 exerts a force and could be taken out in mounting groove 212 by projection mainboard 220.
Certainly, in other embodiments, the first terminal 122 can also adopt has the C type USB joint with data and power delivery function.
Post, two power supplys connect post and lay respectively at the opposite sides of the first conducting terminal 215, and two power supplys connect post and the first conducting terminal 215 be arranged in parallel.Arrange two power supplys to connect post and make to may also operate as fixed interface while transmission electric power, it is prevented that interface bed knife loosens not and causes the bad situation about damaging even of transmission to occur.
Referring to Fig. 1, the bottom of projector mechanism 200 is connected to the upper arm 227 for support projection mechanism 200.Certainly, projector mechanism 200 can also be the projector mechanism 200 of wall-hanging, it is possible to be not provided with upper arm 227.In addition carry use for the ease of projector equipment, it is possible to set of cells (for illustrating in figure) is set in housing 210.In order to be convenient for changing set of cells, it is possible to be arranged to install the battery case of set of cells in housing 210.Battery case can certainly be arranged on outside housing 210, the opposite sides of battery case is respectively arranged with two power supply terminals, battery case and housing removably connect, and the circuit in two power supply terminals and housing connects, and the set of cells in battery case is powered to the related device of projector equipment.Voltage for the ease of regulating cell group, it is possible to multiple battery case is set, removably connects between battery case and electrically connect, and then the voltage of set of cells can be changed by changing the quantity of battery case.Such as, installing the voltage of set of cells during a battery case is 6v, and the voltage of set of cells during two battery cases of installation is 12v, by that analogy.Certainly, the voltage of each set of cells can also be arranged to other numerical value.
Referring to Fig. 2, the first end 221 of projection mainboard 220 is provided with power input head 224 and data output end head 223, and the second end 222 of the opening part of close mounting groove 212 is provided with expansion interface 226.Expand interface 226 and include but not limited to USB interface, audio interface, USB interface, DVI interface, HDMI, HML interface and memory expansion interface.
Additionally, due to the small volume of projection mainboard 220, at expansion interface 226 limited amount that projection mainboard 220 is arranged.In order to overcome this problem, it is possible to part is expanded the shortcoming that interface 226 is arranged on housing 210 to make up projection mainboard 220 interface lazy weight.
Can change projector mechanism 200 and projection mainboard 220 respectively due to the modularity projector equipment 100 of the present embodiment, user according to the projector mechanism 200 required for changing that needs of oneself, or can change the projector mechanism 200 with oneself required resolution.The configuration of projection mainboard 220 can also be different according to the demand of user.For just can needing apolegamy projector mechanism 200 and projecting mainboard 220 according to oneself when buying.
Owing to projector mechanism 200 cycle of updating is long, in use, user want to upgrade oneself projector equipment time, original projection mainboard 220 is taken out and loads onto new projection mainboard 220.
In addition, in order to reduce upgrade cost and the upgrading difficulty of projector equipment further, can also the functional module of projection mainboard 220 independently being arranged, each functional module both can disassemble from projection mainboard 220, can be assembled in again on projection mainboard 220 and do as a whole use；And then each functional module of projection mainboard 220 can be individually replaced, reduce upgrading difficulty and the cost of projection mainboard 220.
On the whole, the modularity projector equipment 100 of the present embodiment is with projector mechanism 200 for housing 210, and installation portion 211 is set at the back of projector mechanism 200, installation portion 211 is provided with mounting groove 212, the relatively small projection mainboard 220 of volume is plugged in mounting groove 212, and projection mainboard 220 is integrated with various functional module.Projection mainboard 220 has the connection-peg mated with mounting groove 212, and projection mainboard 220 can realize data cube computation with projector mechanism 200.
Projecting mainboard 220 in the present embodiment and installation portion 211 is connected by the mode of grafting, operation is very simple, and the mode that user can pass through to plug easily completes the replacing of projection mainboard 220, while reducing upgrade cost, reduces upgrading difficulty.
Embodiment 2, referring to Fig. 5 and Fig. 6.
Present embodiments providing a kind of modularity projector equipment 300, the present embodiment is different from the structure differing only in installation portion 301 and projection mainboard 302 of embodiment 1, and the structure do not mentioned in the present embodiment refers to the description of embodiment 1.
As shown in Figure 6, power output end head 303 has two the second sheet metals 305 being connected respectively with the positive pole in installation portion 301 and negative pole, and power input head 304 has and two the second sheet metals 305, two the second conducting terminals 306 one to one.In the present embodiment, power input head 304 is substantially equal to be exchanged with the structure of power output end head 303 compared with embodiment 1.The structure of the second conducting terminal 306 and the structure of the first conducting terminal 215 are just the same.In addition, in the present embodiment, the mounting groove 307 being arranged at installation portion 301 has opening upward.
Embodiment 3, referring to Fig. 7.
Present embodiments providing a kind of modularity projector equipment 400, the present embodiment is different from the structure differing only in installation portion 401 of embodiment 1, and the structure do not mentioned in the present embodiment refers to the description of embodiment 1.
Opening part at mounting groove 402 is provided with the cover plate 403 for opening or close mounting groove 402, in order in minimizing mounting groove of trying one's best, 402 enter ash.One end of cover plate 401 is hinged with the edge of the opening part of mounting groove 402, and the other end of cover plate 401 can be fastened on the other edge of the opening part of mounting groove 402.Cover plate 401 can not only prevent dust from entering in mounting groove 402, moreover it is possible to is locked in mounting groove 402 by projection mainboard 220, it is to avoid projection mainboard 220 departs from mounting groove 402.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (10)
1. a modularity projector equipment, including housing, it is characterized in that, projection mainboard and projector mechanism it is provided with in described housing, it is provided with mounting groove in described housing, described projection mainboard is dismountable is plugged in described mounting groove, and the data output end of described projection mainboard communicates to connect with the data input pin of described projector mechanism.
2. modularity projector equipment according to claim 1, it is characterized in that, described projection mainboard has the first relative end and the second end, described first end is provided with data output end head, the data input pin head corresponding with described data output end head it is provided with in described mounting groove, described first end is additionally provided with power input head, is additionally provided with the power output end head corresponding with described power input head in described mounting groove.
3. modularity projector equipment according to claim 2, it is characterized in that, described power output end has two the first conducting terminals being connected respectively with the positive pole of power supply and negative pole, and described power supply input adapter has first conducting terminal one to one two first sheet metal described with two.
4. modularity projector equipment according to claim 2, it is characterized in that, described power output end has two the second sheet metals being connected respectively with the positive pole in described projector mechanism and negative pole, and described power supply input adapter has second sheet metal one to one two second conducting terminal described with two.
5. the modularity projector equipment according to claim 3 or 4, it is characterized in that, described conducting terminal includes fairlead, metallic pin and back-moving spring, described metallic pin is embedded in described fairlead along described fairlead is axially slidable, and described back-moving spring is arranged in described fairlead and one end of described back-moving spring is connected with described metallic pin.
6. modularity projector equipment according to claim 1, it is characterised in that the side of described projection mainboard is provided with locking spring plate, the inwall relative with described side of described mounting groove has the lock slots coordinated with described locking spring plate.
7. modularity projector equipment according to claim 1, it is characterised in that the opening part of described mounting groove is hinged with the cover plate for opening or close described mounting groove.
8. modularity projector equipment according to claim 2, it is characterised in that being provided with set of cells in described housing, the power output end of described set of cells electrically connects with described power supply out splice going splice.
9. modularity projector equipment according to claim 2, it is characterised in that described second end of described projection mainboard is provided with expansion interface.
10. modularity projector equipment according to claim 9, it is characterised in that described expansion interface is at least one in USB interface, audio interface, USB interface, DVI interface, HDMI, HML interface and memory expansion interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620184799.9U CN205378078U (en) | 2016-03-09 | 2016-03-09 | Modularization projection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620184799.9U CN205378078U (en) | 2016-03-09 | 2016-03-09 | Modularization projection equipment |
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| Publication Number | Publication Date |
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| CN205378078U true CN205378078U (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620184799.9U Expired - Fee Related CN205378078U (en) | 2016-03-09 | 2016-03-09 | Modularization projection equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106412541A (en) * | 2016-11-28 | 2017-02-15 | 广景视睿科技（深圳）有限公司 | Modular projector |
| CN109040726A (en) * | 2018-10-12 | 2018-12-18 | 深圳市安卓微科技有限公司 | Mainboard and projection device |
| CN112945143A (en) * | 2021-02-04 | 2021-06-11 | 汉斯夫(杭州)医学科技有限公司 | Modular assembly three-dimensional scanner |
-
2016
- 2016-03-09 CN CN201620184799.9U patent/CN205378078U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106412541A (en) * | 2016-11-28 | 2017-02-15 | 广景视睿科技（深圳）有限公司 | Modular projector |
| CN109040726A (en) * | 2018-10-12 | 2018-12-18 | 深圳市安卓微科技有限公司 | Mainboard and projection device |
| CN112945143A (en) * | 2021-02-04 | 2021-06-11 | 汉斯夫(杭州)医学科技有限公司 | Modular assembly three-dimensional scanner |
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Granted publication date: 20160706 |
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