CN109637400A - The projecting lamp of dynamic menu can be presented - Google Patents
The projecting lamp of dynamic menu can be presented Download PDFInfo
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- CN109637400A CN109637400A CN201910020930.6A CN201910020930A CN109637400A CN 109637400 A CN109637400 A CN 109637400A CN 201910020930 A CN201910020930 A CN 201910020930A CN 109637400 A CN109637400 A CN 109637400A
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- projection
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- dynamic menu
- presented
- animation
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- 238000013461 design Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000002688 persistence Effects 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000030214 innervation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F19/00—Advertising or display means not otherwise provided for
- G09F19/12—Advertising or display means not otherwise provided for using special optical effects
- G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/32—Details specially adapted for motion-picture projection
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/32—Details specially adapted for motion-picture projection
- G03B21/43—Driving mechanisms
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Marketing (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The present invention relates to the projecting lamps that dynamic menu can be presented in one kind, it include lamp housing, the projection animation disk inside lamp housing, driving projection animation coiling self-axis line direction rotation driving unit, projection lamp source, be arranged in lamp housing light projection outlet lens and chip controls unit, it projects animation disk and is equipped with N width advertising design, wherein N >=1, and N is integer；Projection lamp source is stroboscopic lamp source, and flashes once at interval of 360 °/N, and every flashing is once T in the human eye vision residence time, and the value of the T is 0.1 ~ 0.4 second；The revolving speed for projecting animation disk is 60/(N × T), unit is rev/min.The present invention is incident upon the projection portrait disk light of rotation by stroboscopic lamp, picture is formed in the human eye vision residence time, multiple continuous pictures constitute circulation animation, dynamic menu is presented, and then the sight effectively to draw a crowd, improve turn-head-rate and average browsing time, simultaneously, structure is simple, easy to implement, and at low cost.
Description
Technical field
The invention belongs to projecting lamp fields, and in particular to the projecting lamp of dynamic menu can be presented in one kind.
Background technique
Projection advertisement utilizes a kind of high-power projection device, with optical projection principle, using the light source of high brightness, the bottom of by
The full-color ad content of on piece projects on the exterior wall or ground of skyscraper, and the open air for being rich in visual impact is formed at night
Advertisement.Therefore, shadow casting technique can be applied to outdoor environment: external wall of building, public building, stadium (night) etc. place.
At the same time, since the novelty of projection advertisement, consumer can bet more sight to this, consumer is look at
When the projected picture of exquisite innervation, product has unconsciously been entered into follower's brain, and for outdoor advertising,
The advantage of dynamic projection advertisement is with regard to more obvious.
The outdoor advertising of traditional form can not attract the sight of consumer, it is a kind of it is new can wall,
The advertisement done on face, window and roof can will tightly catch the heart of consumer's curiosity, and projection advertisement will bring consumer
One completely new visual impact, the projection advertisement advantage incomparable with more outdoor advertising.
However, currently used advertisement projection lamp (rotation) is generally still image, rotates at a slow speed, content is single, nothing
The sight that method effectively draws a crowd, to improve turn-head-rate and average browsing time.
Summary of the invention
It is a kind of improved in rotary course the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide
In the projecting lamp of dynamic menu can be presented.It mainly passes through the projection portrait disk light that stroboscopic lamp is incident upon rotation, in human eye
The persistence of vision time forms picture, and multiple continuous pictures constitute circulation animation, dynamic menu is presented, and then effectively attract
The sight of the masses improves turn-head-rate and average browsing time.
In order to solve the above technical problems, the present invention adopts the following technical scheme that:
A kind of projecting lamp that dynamic menu can be presented comprising lamp housing, the projection animation disk inside lamp housing, driving projection
Animation coiling self-axis line direction rotation driving unit, projection lamp source, be arranged in lamp housing light projection outlet lens,
And chip controls unit,
It projects animation disk and is equipped with N width advertising design, wherein N >=1, and N is integer；
Projection lamp source is stroboscopic lamp source, and flashes once at interval of 360 °/N, and every flashing is once in the human eye vision residence time
For T, the value of the T is 0.1 ~ 0.4 second；
The revolving speed for projecting animation disk is 60/(N × T), unit are as follows: rev/min.
Preferably, it is exported in light projection and is equipped with the mounting portion for being removably disposed in lamp housing end, shape on the mounting portion
At the projection channel projected for light outside lamp housing, projects channel all or part is unimpeded, it is logical that lens are mounted on smooth projection
In road, and lens are convex lens.
Preferably, as N=1, advertising design is located at the side of the projection animation disk core, and is projected in dynamic menu
Middle part；As N >=2, advertising design is centered on the core of the projection animation disk and around the week of the projection animation disk
To being uniformly distributed, and it is projected on dynamic menu and is uniformly distributed with the circumferential direction around dynamic menu or multiple advertising designs
In a middle part for being projected in dynamic menu.
Preferably, the frame number of advertising design is 2.5 ~ 60 frames.
A specific implementation according to the present invention and preferred aspect, the value of T are 0.1 ~ 0.2 second, and the frame number of advertising design is 5
~ 10 frames.
Another specific implementation according to the present invention and preferred aspect, projection lamp source include intercepting the lamp being arranged in lamp housing
Frame, the shot-light for being arranged on lamp bracket and capableing of stroboscopic, wherein lamp bracket and lens are located at the opposite sides of projection animation disk.
Preferably, shot-light has multiple, and is uniformly distributed around the circumferential direction of lamp bracket.
In this example, shot-light is common LED light, or may be the illuminator of common light bulb or fluorescent tube etc.
Preferably, driving unit includes along the connecting shaft that lamp housing length direction extends and passes through from the middle part of lamp bracket, drives
The drive motor that connecting shaft is rotated around self-axis line direction, wherein drive motor, which is hidden, is formed by closure in lamp housing and lamp bracket
In section, end of the connecting shaft far from closure section can releasably be connected with projection animation disk center.
It is according to the present invention another specific implementation and preferred aspect, chip controls unit include respectively with driving unit and
The control panel of projection lamp source circuit connection；It is arranged on the control panel and can set projection animation disk rotating speed and every flashing one
It is secondary in the human eye vision residence time and the setting module of duty cycle parameters value.
Preferably, setting module includes manually setting component and/or intelligent assignment component, wherein intelligent assignment component includes
The chip processing that can be connected to user terminal, and the instruction of user terminal is conveyed to driving unit and projection lamp source respectively
Device, user terminal are the computer or mobile phone using APP program.
As for can be wired communication between user terminal and chip processor, be also possible to wireless communications.
In addition, lens are convex lens, and lamp housing end can be releasably set.It carries out according to actual needs more
It changes.
Due to the implementation of above technical scheme, the invention has the following advantages over the prior art:
The present invention is incident upon the projection portrait disk light of rotation by stroboscopic lamp, forms picture in the human eye vision residence time, more
A continuous picture constitutes circulation animation, dynamic menu is presented, and then the sight effectively to draw a crowd, improve turn-head-rate and
The average browsing time, meanwhile, structure is simple, easy to implement and at low cost.
Detailed description of the invention
The present invention will be further described in detail with specific embodiment with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the projecting lamp of embodiment 1；
Fig. 2 is the usage state diagram of Fig. 1；
Fig. 3 is the structural schematic diagram of the projecting lamp of embodiment 2；
Fig. 4 is the usage state diagram of Fig. 3；
Fig. 5 is the structural schematic diagram of the projecting lamp of embodiment 3；
Fig. 6 is the usage state diagram of Fig. 5；
Wherein: 1, lamp housing；2, animation disk is projected；3, driving unit；30, connecting shaft；31, drive motor；4, lamp source is projected；40,
Lamp bracket；41, shot-light；5, lens；6, chip controls unit；60, control panel；7, mounting portion；70, channel is projected；A, advertisement figure
Case.
Specific embodiment
In order to make the above objects, features, and advantages of the present application more apparent, with reference to the accompanying drawing to the application
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this Shen
Please.But the application can be implemented with being much different from other way described herein, those skilled in the art can be not
Similar improvement is done in the case where violating the application intension, therefore the application is not limited by the specific embodiments disclosed below.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description the application and simplifies description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present application, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in this application can be understood as the case may be.
In this application unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.It needs
It is bright, when element is referred to as " being fixed on " or " being set to " another element, it can directly on the other element or
There may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly to separately
One element may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", "upper", "lower",
"left", "right" and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Embodiment 1
As depicted in figs. 1 and 2, the projecting lamp of dynamic menu can be presented according to the present embodiment comprising lamp housing 1 is located at lamp housing 1
The projection animation disk 2 of inside, projection lamp source 4, is set the driving unit 3 for driving projection animation disk 2 to rotate around self-axis line direction
Set the lens 5 and chip controls unit 6 in the light projection outlet of lamp housing 1.
Specifically, lamp housing 1 is straight, projection animation disk 2 is equipped with 1 width advertising design A, (that is N=1), because
This, after projecting the installation of animation disk 2, advertising design A is located at the side of projection 2 core of animation disk.
Projection lamp source 4 is stroboscopic lamp source, and primary at interval of 360 ° of flashings, meanwhile, every flashing is once residual in human eye vision
Staying the time is T, and is 0.1 second, and the frame number of advertising design A is 10 frames.
That is, often rotating a circle in projection animation disk 2, projection lamp source 4 just flashes once, while every flashing once exists
The human eye vision residence time is 0.1 second, and the revolving speed of projection animation disk 2 is 600 revs/min.
Meanwhile in this example, light projection outlet is equipped with the mounting portion 7 for being removably disposed in 1 end of lamp housing, the mounting portion
The projection channel 70 projected outside lamp housing 1 for light is formed on 7.
In this example, 70 part of projection channel is unimpeded (remainder uses shading plate closing), and it is unimpeded that lens 5 are mounted on part
Projection channel 70 in, and lens 5 be convex lens.
Meanwhile projecting lamp source 4 includes intercepting the lamp bracket 40 being arranged in lamp housing 1, being arranged on lamp bracket 40 and being capable of stroboscopic
Shot-light 41, wherein lamp bracket 40 and lens 5 be located at projection animation disk 2 opposite sides.
In this example, shot-light 41 has multiple, and is uniformly distributed around the circumferential direction of lamp bracket 40.
It however, shot-light 41 is common LED light in implementing use process, or may be common light bulb or lamp
The illuminator of pipe etc；Meanwhile for the demand of save the cost used, it is only necessary to several where corresponding projection channel 70
LED light synchronous flashing.
Again by, driving unit 3 include extend along 1 length direction of lamp housing and passed through from the middle part of lamp bracket 40 connecting shaft 30,
It is drivingly connected the drive motor 31 that axis 30 is rotated around self-axis line direction, wherein drive motor 31 is hidden in lamp housing 1 and lamp bracket
40 are formed by closure section, end of the connecting shaft 30 far from closure section with project 2 center of animation disk being capable of releasably phase
Connection.
Chip controls unit 6 include respectively with driving unit 3 and projection 4 circuit communication of lamp source control panel 60 and
It is arranged on control panel 60 and can set projection 2 revolving speed of animation disk and every flashing once in human eye vision residence time parameter
Value setting module (do not shown in figure, but it is contemplated that).
Setting module includes manually setting component and/or intelligent assignment component, wherein intelligent assignment component includes can be with
User terminal connection, and the chip processor that the instruction of user terminal is conveyed to driving unit and projection lamp source respectively, user
Terminal is the computer or mobile phone using APP program.
As for can be wired communication between user terminal and chip processor, be also possible to wireless communications.
Meanwhile applicant is it should be understood that flicker frequency is first set, typically between 0.1 ~ 0.4 second, when
So, it if less effective, can also go to change flicker frequency.And be all that flicker frequency has first been determined under normal circumstances, then to determine it
His parameter, effect is undesirable, just resets a flicker frequency, then corresponding change other parameters.
In other words, in this example in human eye vision residence time T, can also according to the width size for eventually forming image, frame number,
Lens, the disk diameter for projecting animation disk, the height of projecting lamp installation and angle etc. factor, then carry out according to practical effect
It adjusts.As for regulative mode, manual governing component (such as knob) can be installed, manually adjust motor speed and projecting lamp stroboscopic frequency
Rate and duty ratio are adjusted after can also installing corresponding component by cell phone application.
In addition, in this example, duty ratio 50%, that is bright -0.05 second 0.05 second dark -0.05 second bright, such a circulation
Process.
Certainly, which is also to need to cooperate to adjust.When lamp is bright enough, as long as flashing that may be 0.01 second, gives
Human eye leaves picture, dark lighting, it may be necessary to could leave picture to human eye within 0.05 second, this is complicated with light, picture
Degree is associated.
Finally, in this example, it is finally presenting the result is that: advertising design A by lens projects at the middle part of dynamic menu,
Not only projected picture is rotated further by, but also advertising design A itself is also being rotated, and then according to persistence of vision, obtains continuous picture,
So that dynamic menu effect is presented in projected picture.
Embodiment 2
As shown in Figure 3 and Figure 4, can be presented the projecting lamp of dynamic menu according to the present embodiment, structure substantially with 1 phase of embodiment
Together, difference is in N=10, and therefore, stroboscopic lamp source is primary at interval of 36 ° of flashings, meanwhile, every flashing is once residual in human eye vision
Staying time T is 0.1 second, and the revolving speed of projection animation disk 2 is 60 revs/min.
At this point, projection channel 70 is same as Example 1, duty ratio 30%, that is bright -0.03 second 0.03 second dark -0.03
Second bright, such a cyclic process.Meanwhile one by region corresponding to lens 5 is radiated at from the light that shot-light 41 projects
On advertising design A, and make the projection of advertising design A positioned at the middle part of dynamic menu.
Embodiment 3
As shown in Figure 5 and Figure 6, can be presented the projecting lamp of dynamic menu according to the present embodiment, structure substantially with 1 phase of embodiment
Together, difference is in N=20, and therefore, stroboscopic lamp source is primary at interval of 18 ° of flashings, meanwhile, every flashing is once residual in human eye vision
It is 0.2 second that stay the time, which be T, and the revolving speed of projection animation disk 2 is 15 revs/min, and the frame number of advertising design A is 5 frames.
At this point, projection channel 70 is in whole opening-wide states, duty ratio 10%, that is bright -0.01 second 0.01 second it is dark -
0.01 second is bright, such a cyclic process, meanwhile, the light projected from shot-light 41 is radiated at by region corresponding to lens 5
On each advertising design A, and the projection of 20 advertising design A is uniformly distributed with the circumferential direction of dynamic menu, therefore, no
Only projected picture is rotated further by, and each advertising design A itself is also being rotated, and then according to persistence of vision, is obtained continuous
Picture, so that dynamic menu effect is presented in projected picture.
The present invention is described in detail above, its object is to allow the personage for being familiar with this field technology that can understand this
The content of invention is simultaneously implemented, and it is not intended to limit the scope of the present invention, all Spirit Essence institutes according to the present invention
The equivalent change or modification of work, should be covered by the scope of protection of the present invention.
Claims (10)
1. the projecting lamp that dynamic menu can be presented in one kind comprising lamp housing, drives the projection animation disk inside the lamp housing
Move driving unit, the projection lamp source, the light that the lamp housing is set of the projection animation coiling self-axis line direction rotation
Project the lens and chip controls unit of outlet, it is characterised in that:
The projection animation disk is equipped with N width advertising design, wherein N >=1, and N is integer；
The projection lamp source is stroboscopic lamp source, and flashes once at interval of 360 °/N, and every flashing is once remained in human eye vision
Time is T, and the value of the T is 0.1 ~ 0.4 second；
The revolving speed of the projection animation disk is 60/(N × T), unit are as follows: rev/min.
2. the projecting lamp according to claim 1 that dynamic menu can be presented, it is characterised in that: projected in the light
Mouth is equipped with the mounting portion for being removably disposed in the lamp housing end, is formed on the mounting portion and projects the lamp for light
Projection channel outside shell, the projection channel is all or part is unimpeded, and it is logical that the lens are mounted on the smooth projection
In road, the lens are convex lens.
3. the projecting lamp according to claim 2 that dynamic menu can be presented, it is characterised in that: as N=1, advertisement figure
Case is located at the side of the projection animation disk core, and from the lens projects at the middle part of dynamic menu；As N >=2, advertisement
Pattern is uniformly distributed centered on the core of the projection animation disk and around the circumferential direction of the projection animation disk, and from described
Mirror be projected on dynamic menu with the circumferential direction around dynamic menu be uniformly distributed or multiple advertising designs in one throwing
Shadow is at the middle part of dynamic menu.
4. the projecting lamp according to claim 1 that dynamic menu can be presented, it is characterised in that: the frame number of advertising design is
2.5 ~ 60 frames.
5. the projecting lamp according to claim 4 that dynamic menu can be presented, it is characterised in that: the value of T is 0.1 ~ 0.2
Second, the frame number of advertising design is 5 ~ 10 frames.
6. the projecting lamp according to claim 1 that dynamic menu can be presented, it is characterised in that: the projection lamp source packet
It includes and intercepts the lamp bracket being arranged in the lamp housing, the shot-light for being arranged on the lamp bracket and capableing of stroboscopic, wherein the lamp bracket
The opposite sides of the projection animation disk is located at the lens.
7. the projecting lamp according to claim 6 that dynamic menu can be presented, it is characterised in that: the shot-light has more
It is a, and be uniformly distributed around the circumferential direction of the lamp bracket.
8. the projecting lamp according to claim 6 that dynamic menu can be presented, it is characterised in that: the driving unit packet
It includes along the connecting shaft that the lamp housing length direction extends and passes through from the middle part of the lamp bracket, drive the connecting shaft around itself axis
The drive motor of heart line direction rotation, wherein the drive motor, which is hidden, is formed by closure section in the lamp housing and lamp bracket
Interior, the connecting shaft can releasably be connected far from the end in the closure section with the projection animation disk center.
9. the projecting lamp according to claim 1 that dynamic menu can be presented, it is characterised in that: the chip controls list
Member includes the control panel being connected to respectively with the driving unit and the projection lamp source circuit；The control panel is set
It is upper and the projection animation disk rotating speed and every flashing can be set once in human eye vision residence time and duty cycle parameters value
Setting module.
10. the projecting lamp according to claim 9 that dynamic menu can be presented, it is characterised in that: the setting module packet
It includes and manually sets component and/or intelligent assignment component, wherein the intelligent assignment component includes that can be connected to user terminal,
And the chip processor for conveying the instruction of the user terminal to the driving unit and the projection lamp source respectively, the use
Family terminal is the computer or mobile phone using APP program.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910020930.6A CN109637400A (en) | 2019-01-09 | 2019-01-09 | The projecting lamp of dynamic menu can be presented |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910020930.6A CN109637400A (en) | 2019-01-09 | 2019-01-09 | The projecting lamp of dynamic menu can be presented |
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| CN109637400A true CN109637400A (en) | 2019-04-16 |
Family
ID=66060323
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| CN201910020930.6A Pending CN109637400A (en) | 2019-01-09 | 2019-01-09 | The projecting lamp of dynamic menu can be presented |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112927575A (en) * | 2021-01-25 | 2021-06-08 | 焦作大学 | Auxiliary device suitable for teaching of Chinese language and literature specialty |
| CN113075849A (en) * | 2021-04-02 | 2021-07-06 | 张家港市齐创机械有限公司 | Animation projection control method |
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