CN112363364A - Water mist projection system - Google Patents
Water mist projection system Download PDFInfo
- Publication number
- CN112363364A CN112363364A CN202011321290.1A CN202011321290A CN112363364A CN 112363364 A CN112363364 A CN 112363364A CN 202011321290 A CN202011321290 A CN 202011321290A CN 112363364 A CN112363364 A CN 112363364A
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- China
- Prior art keywords
- water mist
- shielding cloth
- cloth
- projection system
- mist projection
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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
- G03B21/54—Accessories
-
- 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
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/608—Fluid screens
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
Abstract
An embodiment of the present invention provides a water mist projection system, including: the water mist generator is arranged in a containing space formed by the shielding cloth, and a projection surface generated by the projector is projected on the water mist in the containing space. The shielding cloth forms a dark environment, and when the environment is bright, the shielding cloth provides a proper projection environment for water mist projection, so that the water mist projection system is not influenced by the brightness of the environment, and the use scenes of the water mist projection system are increased.
Description
Technical Field
The application relates to the technical field of projection, in particular to a water mist projection system.
Background
With the continuous development of image processing technology, there are many forms of projection to meet different use scenarios.
The water mist projection is a three-dimensional imaging, a large amount of water mist is generated through atomizing equipment to form a water mist wall, and then the water mist wall is projected through projection equipment, so that an illusion three-dimensional image can be formed on the water mist wall. The water mist projection can show a three-dimensional effect. However, the existing water mist projection has high requirements on the environment, a good imaging effect can be obtained only in a dark environment, and the water mist projection brings restrictions on the use of scenes.
Therefore, the prior art is in need of improvement.
Disclosure of Invention
The invention provides a water mist projection system, which forms a dark environment through shielding cloth, so that the water mist projection system is not influenced by the brightness of the environment, and the use scenes of the water mist projection system are increased.
An embodiment of the present invention provides a water mist projection system, including: the water mist generator is arranged in a containing space formed by the shielding cloth, and a projection surface generated by the projector is projected on the water mist in the containing space.
In a further improvement, the shielding cloth extends in a vertical direction, and the water mist generator is located above the shielding cloth.
In a further refinement, the screen cloth comprises: a first side shielding cloth, a second side shielding cloth and a third side shielding cloth; the first side shielding cloth and the third side shielding cloth are connected with the second side shielding cloth to form the accommodating space.
In a further refinement, the screen cloth further comprises a top screen cloth; the first side shielding cloth, the second side shielding cloth and the third side shielding cloth are all connected with the top shielding cloth.
In a further improvement, the water mist generator is connected to the top shielding cloth and is positioned on one side of the top shielding cloth close to the first shielding cloth.
In a further improvement, the top shade cloth is provided with an opening through which the water mist generator passes such that a first portion of the water mist generator is located on a first side of the top shade cloth and a second portion of the water mist generator is located on a second side of the top shade cloth; the first side shielding cloth, the second side shielding cloth and the third side shielding cloth are all located on the first side of the top shielding cloth, and the first part of the water mist generator comprises a water mist outlet of the water mist generator.
In a further refinement, the water mist projection system further comprises: the driving part is used for driving the shielding cloth to move so that the shielding cloth is in an unfolding state or a storage state.
In a further refinement, the water mist projection system further comprises: a light sensor and a controller; the light sensor is electrically connected with the controller, and the driving part is electrically connected with the controller.
In a further improvement, the controller is configured to acquire ambient brightness acquired by the light sensor, and send a first control instruction or a second control instruction to the driving unit according to the ambient brightness, so that the driving unit unfolds the shielding cloth according to the first control instruction, or accommodates the shielding cloth according to the second control instruction.
In a further refinement, the screen cloth is a black screen cloth.
Compared with the prior art, the embodiment of the invention has the following advantages:
the embodiment of the invention provides a water mist projection system and a control method of the water mist projection system, wherein the water mist projection system comprises: the water mist generator is arranged in a containing space formed by the shielding cloth, and a projection surface generated by the projector is projected on the water mist in the containing space. The shielding cloth forms a dark environment, and when the environment is bright, the shielding cloth provides a proper projection environment for water mist projection, so that the water mist projection system is not influenced by the brightness of the environment, and the use scenes of the water mist projection system are increased.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a water mist projection system according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The inventor finds that water mist projection is stereoscopic imaging, a large amount of water mist is generated through atomizing equipment to form a water mist wall, and then the water mist wall is projected through projection equipment to form an illusion stereoscopic image. The water mist projection can show a three-dimensional effect. However, the existing water mist projection has high requirements on the environment, a good imaging effect can be obtained only in a dark environment, and the water mist projection brings restrictions on the use of scenes.
In order to solve the above problem, an embodiment of the present invention provides a water mist projection system. Referring to fig. 1, a water mist projection system of a water mist projection apparatus includes: the water mist projector comprises a projector 100, a water mist generator 200 and a shielding cloth 300, wherein at least part of the water mist formed by the water mist generator 200 is positioned in an accommodating space formed by the shielding cloth 300, and a projection surface generated by the projector 100 is projected on the water mist positioned in the accommodating space.
In the embodiment of the present invention, the accommodating space is a semi-closed space, the non-closed portion is used for the projector 100 to project the projection image on the water mist, and the viewer views the projection image through the opening. The water mist is at least partially located in the accommodating space formed by the shielding cloth 300, and in order to achieve a good projection effect, the area projected by the projection picture corresponds to the water mist in the accommodating space. The accommodation space formed by the shielding cloth 300 provides a proper projection environment for water mist projection, so that the water mist projection system is not influenced by the brightness of the environment, and the use scenes of the water mist projection system are increased.
In the embodiment of the present invention, the blocking cloth 300 extends in a vertical direction, and the water mist generator 200 is positioned above the blocking cloth 300.
Further, the shielding cloth 300 includes a first side shielding cloth, a second side shielding cloth, and a third side shielding cloth; the first side shielding cloth and the third side shielding cloth are connected with the second side shielding cloth to form the accommodating space.
In specific implementation, the front surface of the water mist generator 200 is a projection surface of the water mist generator 200 facing the projector 100. The first side blocking cloth is positioned on the left side of the water mist generator 200, the second side blocking cloth is positioned on the rear side of the water mist generator 200, and the third side blocking cloth is positioned on the right side of the water mist generator 200.
In the embodiment of the present invention, the left side of the water mist generator 200 refers to the left side of the front of the water mist generator 200, the right side of the water mist generator 200 refers to the right side of the front of the water mist generator 200, and the rear side of the water mist generator 200 refers to the rear side of the front of the water mist generator 200. The right side of the first side shielding cloth (the right side of the first side shielding cloth facing the water mist generator 200) is connected with the left side of the second side shielding cloth (the left side of the second side shielding cloth facing the water mist generator 200). The right side of the second side shield cloth (the right side of the second side shield cloth facing the water mist generator 200) is connected to the left side of the third side shield cloth (the left side of the third side shield cloth facing the water mist generator 200). The first side shielding cloth is relatively parallel to the third side shielding cloth.
In the embodiment of the present invention, when the shielding cloth 300 includes a first side shielding cloth, a second side shielding cloth, and a third side shielding cloth, the upper ends of the first side shielding cloth and the third side shielding cloth are not closed, and the water mist generated by the water mist generator 200 is located in the accommodating space through the non-closed upper ends.
In the embodiment of the present invention, the accommodating space formed by the shielding cloth 300 is only used when the ambient brightness is bright, and when the ambient brightness is dark, the good projection effect can be achieved by directly performing the water mist projection, so that the shielding cloth 300 can be stored when the shielding cloth 300 is not needed, and the shielding cloth 300 can be unfolded to form the accommodating space when the shielding cloth 300 is needed.
Specifically, the water mist projection system further comprises: and a driving part, wherein the shielding cloth 300 is connected with the driving part, and the driving part is used for driving the shielding cloth 300 to move, so that the shielding cloth 300 is in an unfolded state or a storage state.
Further, the water mist projection system further comprises: a light sensor and a controller; the light sensor is electrically connected with the controller, and the driving part is electrically connected with the controller.
In the embodiment of the present invention, a control command may be sent to the controller, and the controller controls the driving part to operate, so that the driving part drives the shielding cloth 300 to move, so as to unfold or store the shielding cloth 300. The control instruction can be sent to the control device, and the control instruction is sent to the controller through the control device, or the control instruction is triggered by the water mist projection system of the water mist projection device.
In one implementation, the driving part includes a rotation shaft assembly and a first driving unit, the first driving unit is connected with the rotation shaft assembly, and the rotation shaft assembly is fixedly connected with the shielding cloth 300; the first driving unit operates to unfold or store the blocking cloth. The shielding cloth can be black shielding cloth, dark blue shielding cloth, red shielding cloth and the like, and in order to achieve a better projection environment, the shielding cloth is black shielding cloth and the like.
In an embodiment of the present invention, the controller sends a control signal to the first driving unit, which may include a stepping motor and a coupling. When the stepping motor rotates forwards, the rotating shaft assembly is driven by the coupler to rotate in a first direction, so that the shielding cloth 300 is unfolded; when the stepping motor rotates reversely, the rotating shaft assembly is driven by the coupler to rotate according to the second direction, so that the shielding cloth 300 is stored. The first direction and the second direction are opposite, the first direction may be a clockwise direction and the second direction may be a counterclockwise direction, or the first direction may be a counterclockwise direction and the second direction may be a clockwise direction.
Further, the rotating shaft assembly comprises a first rotating shaft, a second rotating shaft and a third rotating shaft; the shielding cloth 300 includes a first side shielding cloth, a second side shielding cloth, and a third side shielding cloth; the first rotating shaft is fixedly connected with one end of the first side shielding cloth, the second rotating shaft is fixedly connected with one end of the second side shielding cloth, and the third rotating shaft is fixedly connected with one end of the third side shielding cloth; the first rotating shaft is positioned on the left side of the front face of the water mist generator 200, the second rotating shaft is positioned on the rear side of the front face of the water mist generator 200, and the third rotating shaft is positioned on the right side of the front face of the water mist generator 200; the front surface of the water mist generator 200 is a surface of the water mist generator 200 facing the projector 100.
The first side shielding cloth and the third side shielding cloth are detachably connected with the second side shielding cloth. Specifically, magic tapes for detachable connection are arranged on the first side edge shielding cloth, the second side edge shielding cloth and the third side edge shielding cloth; after the shielding cloth is unfolded, the third side shielding cloth and the second side shielding cloth are connected through the magic tape, and the second side shielding cloth and the first side shielding cloth are connected. When the shielding cloth is required to be stored, in order to facilitate storage, the third side shielding cloth and the second side shielding cloth can be disconnected, and the first side shielding cloth and the second side shielding cloth are disconnected. Alternatively, it can be realized by a zipper: the first side blocking cloth is detachably connected with the second side blocking cloth, and the third side blocking cloth is detachably connected with the second side blocking cloth.
In an embodiment of the present invention, when the rotary shaft assembly includes a first rotary shaft, a second rotary shaft, and a third rotary shaft, the first driving unit includes: the driving circuit comprises a first sub-driving unit, a second sub-driving unit and a third sub-driving unit, wherein the first sub-driving unit, the second sub-driving unit and the third sub-driving unit have the same structure. The first sub-driving unit is connected with the first rotating shaft, the second sub-driving unit is connected with the second rotating shaft, and the third driving unit is connected with the third rotating shaft. Taking the first sub-driving unit as an example, the controller sends a control signal to the first sub-driving unit, and the first sub-driving unit operates to drive the first rotating shaft to rotate. The first sub-driving unit, the second sub-driving unit and the third sub-driving unit receive control signals simultaneously, and the first rotating shaft, the second rotating shaft and the third rotating shaft rotate synchronously.
In another implementation, the drive component includes: the fixing rod, the transmission unit and the second driving unit are electrically connected with the transmission unit; the transmission unit is fixedly connected with the fixed rod; the driving unit operates to unfold or store the blocking cloth 300.
In an embodiment, one corner of the blocking cloth 300 is fixed to the fixing bar. The transmission unit includes: the gear assembly comprises a gear assembly and a chain matched with the gear assembly, wherein a plurality of hooks are arranged on the chain, a plurality of hanging holes are formed in one end of the shielding cloth 300 at intervals, and the hooks are respectively detachably connected with the hanging holes; one corner of the blocking cloth 300 is fixed on the fixing bar; when the gear assembly is operated in the forward direction, the chain linearly moves in the forward direction to drive the shielding cloth 300 to be unfolded; when the gear assembly is operated in the reverse direction, the chain is linearly moved in the reverse direction to drive the shielding cloth 300 to be stored.
In an embodiment of the invention, the gear assembly includes a first gear and a second gear, the first gear is disposed at one end of the fixing rod, the second gear is disposed at the other end of the fixing rod, the first gear and the second gear are connected by a chain, and the first gear and the second gear are respectively adapted to the chain. The chain is provided with a plurality of hooks, a plurality of hanging holes are formed in one end of the shielding cloth 300 at intervals, and the hooks are detachably connected with the hanging holes respectively.
In the embodiment of the invention, the second driving unit comprises a stepping motor and a coupler, and when the stepping motor rotates forwards, the coupler drives the gear assembly to rotate towards the first direction, so that the transmission assembly rotates towards the first direction. Since one corner of the shielding cloth 300 is fixed, the shielding cloth 300 is unfolded when the driving assembly rotates in the first direction. When the driving assembly rotates in the second direction, the shielding cloth 300 is received.
In the embodiment of the present invention, the number of the fixing rods is three, and the three fixing rods are respectively: first dead lever, second dead lever and third dead lever, the transmission unit is three, is respectively: the first sub transmission component, the second sub transmission component and the third sub transmission component; the first fixing rod is fixedly connected with the first sub-transmission part, the second fixing rod is fixedly connected with the second sub-transmission part, and the third fixing rod is fixedly connected with the third sub-transmission part. The first sub-transmission part is connected with the first side shielding cloth, the second sub-transmission part is connected with the second side shielding cloth, and the first sub-transmission part is connected with the third side shielding cloth.
The first fixing rod is positioned at the left side of the front surface of the water mist generator 200, the second fixing rod is positioned at the rear side of the front surface of the water mist generator 200, and the second fixing rod is positioned at the right side of the front surface of the water mist generator 200; the front surface of the water mist generator 200 is a surface of the water mist generator 200 facing the projector 100.
The first sub-transmission component, the second sub-transmission component and the third sub-transmission component are identical in structure and respectively comprise a gear assembly and a chain. The first sub-transmission part, the second sub-transmission part and the third sub-transmission part move to unfold or store the first side shielding cloth, the second side shielding cloth and the third side shielding cloth. The motion parameters of the first sub-transmission part, the second sub-transmission part and the third sub-transmission part can be adjusted to synchronously unfold or store the first side shielding cloth, the second side shielding cloth and the third side shielding cloth.
In order that the blocking cloth 300 may provide a better dark portion environment, the blocking cloth 300 further includes a top blocking cloth; the first side shielding cloth, the second side shielding cloth and the third side shielding cloth are all connected with the top shielding cloth.
In one implementation, the water mist generator 200 is connected to the top shielding cloth and is located on a side of the top shielding cloth close to the first shielding cloth.
When the water mist generator is specifically implemented, the first side shielding cloth, the second side shielding cloth, the third side shielding cloth and the top shielding cloth form a containing space, the water mist generator 200 is located in the containing space, is located at the upper part of the containing space and is connected with the top shielding cloth, and thus, water mist formed by the water mist generator 200 is completely located in the containing space formed by the shielding cloth.
In another implementation, the top shade cloth is provided with an opening through which the water mist generator 200 passes such that a first portion of the water mist generator 200 is located on a first side of the top shade cloth and a second portion of the water mist generator 200 is located on a second side of the top shade cloth; the first side blocking cloth, the second side blocking cloth and the third side blocking cloth are all located on a first side of the top blocking cloth, and the first portion of the water mist generator 200 includes a water mist outlet.
Further, the water mist projection apparatus further comprises: a light sensor electrically connected to the controller; the light sensor is used for detecting the brightness of the environment where the water mist projection device is located; the controller is used for sending a driving instruction to the driving unit according to the brightness.
In an embodiment of the present invention, the light sensor detects the brightness of the environment, and transmits control information to the controller according to the detected brightness. The controller may acquire the brightness detected by the light sensor once every preset time.
The function of the controller will be described in detail below.
In the embodiment of the present invention, the controller is configured to obtain the ambient brightness collected by the light sensor, and send a first control instruction or a second control instruction to the driving unit according to the ambient brightness, so that the driving unit unfolds the shielding cloth 300 according to the first control instruction, or accommodates the shielding cloth 300 according to the second control instruction.
Specifically, the controller acquires the ambient brightness at preset time intervals, and triggers the control instruction according to the ambient brightness. The ambient brightness is the brightness of the environment in which the water mist projection system is located. The control instruction comprises a first control instruction or a second control instruction. And when the brightness is larger than a first threshold value, triggering a first control instruction, and when the brightness is smaller than a second threshold value, triggering a second control instruction.
When the brightness is higher than the first threshold, it indicates that the water mist projection system is in a brighter environment, and the blocking cloth 300 needs to be unfolded. When the brightness is smaller than the second threshold, it indicates that the water mist projection system is in a dark environment, and the projection can be presented without the shielding cloth 300, and the shielding cloth 300 needs to be stored.
The controller acquires the state of the shielding cloth 300 after triggering the first control instruction or the second control instruction, and sends a driving instruction to the driving part when the state of the shielding cloth 300 is not matched with the control instruction.
In the embodiment of the present invention, the shielding cloth 300 is in an unfolded state or a folded state. The control command is not matched with the state of the shielding cloth 300, that is, when the control command is the first control command, the state of the shielding cloth 300 is the unfolded state, that is, the shielding cloth 300 is unfolded, and the operation of unfolding the shielding cloth 300 is not required. Alternatively, when the control command is the second control command, the state of the shade cloth 300 is the stored state, that is, when the shade cloth 300 is the stored state, the operation of storing the shade cloth 300 is not required.
In an embodiment of the present invention, the driving command includes a forward driving command or a reverse driving command.
When the first control instruction is triggered and the shielding cloth 300 is in the storage state, sending a forward driving instruction to the driving part, and enabling the shielding cloth 300 to be unfolded by the driving part in response to the forward driving instruction; when the second control command is triggered and the shielding cloth 300 is in the unfolded state, the driving part responds to the reverse driving command to enable the shielding cloth 300 to be stored.
In an embodiment of the present invention, the water mist projection system includes: the water mist generator is arranged in a containing space formed by the shielding cloth, and a projection surface generated by the projector is projected on the water mist in the containing space. The shielding cloth forms a dark environment, and when the environment is bright, the shielding cloth provides a proper projection environment for water mist projection, so that the water mist projection system is not influenced by the brightness of the environment, and the use scenes of the water mist projection system are increased.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A water mist projection system, comprising: the water mist generator is arranged in a containing space formed by the shielding cloth, and a projection surface generated by the projector is projected on the water mist in the containing space.
2. The water mist projection system of claim 1, wherein the shield cloth extends in a vertical direction, and the water mist generator is located above the shield cloth.
3. The water mist projection system of claim 1, wherein the blocking cloth comprises: a first side shielding cloth, a second side shielding cloth and a third side shielding cloth; the first side shielding cloth and the third side shielding cloth are connected with the second side shielding cloth to form the accommodating space.
4. The water mist projection system of claim 3, wherein the shield cloth further comprises a top shield cloth; the first side shielding cloth, the second side shielding cloth and the third side shielding cloth are all connected with the top shielding cloth.
5. The water mist projection system of claim 4, wherein the water mist generator is connected to the top blocker cloth on a side of the top blocker cloth adjacent to the first blocker cloth.
6. The water mist projection system of claim 4, wherein the top screen has an opening through which the water mist generator passes such that a first portion of the water mist generator is located on a first side of the top screen and a second portion of the water mist generator is located on a second side of the top screen; the first side shielding cloth, the second side shielding cloth and the third side shielding cloth are all located on the first side of the top shielding cloth, and the first part of the water mist generator comprises a water mist outlet of the water mist generator.
7. The water mist projection system of claim 1, further comprising: the driving part is used for driving the shielding cloth to move so that the shielding cloth is in an unfolding state or a storage state.
8. The water mist projection system of claim 7, further comprising: a light sensor and a controller; the light sensor is electrically connected with the controller, and the driving part is electrically connected with the controller.
9. The water mist projection system of claim 8, wherein the controller is configured to obtain an ambient brightness collected by the light sensor, and send a first control command or a second control command to the driving component according to the ambient brightness, so that the driving component unfolds the shielding cloth according to the first control command, or accommodates the shielding cloth according to the second control command.
10. The water mist projection system of any one of claims 1-9, wherein the shielding cloth is a black shielding cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011321290.1A CN112363364A (en) | 2020-11-23 | 2020-11-23 | Water mist projection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011321290.1A CN112363364A (en) | 2020-11-23 | 2020-11-23 | Water mist projection system |
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| Publication Number | Publication Date |
|---|---|
| CN112363364A true CN112363364A (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011321290.1A Withdrawn CN112363364A (en) | 2020-11-23 | 2020-11-23 | Water mist projection system |
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| CN (1) | CN112363364A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203688983U (en) * | 2013-12-27 | 2014-07-02 | 上海禾木城市规划设计有限公司 | Fog screen projection system with use of ultrasonic fogging system |
| CN206096739U (en) * | 2016-08-24 | 2017-04-12 | 崔雪峰 | Window shade winding and unwinding devices is used with automatic teaching to computer |
| CN206431606U (en) * | 2016-11-24 | 2017-08-22 | 德为显示科技股份有限公司 | A kind of digital medical diagosis room |
| CN109637401A (en) * | 2019-01-23 | 2019-04-16 | 吉林省鼎瓒科技有限公司 | Back projection show window media darkroom |
| CN211669493U (en) * | 2019-12-24 | 2020-10-13 | 上海迪东科技有限公司 | Shading device for projection screen |
-
2020
- 2020-11-23 CN CN202011321290.1A patent/CN112363364A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203688983U (en) * | 2013-12-27 | 2014-07-02 | 上海禾木城市规划设计有限公司 | Fog screen projection system with use of ultrasonic fogging system |
| CN206096739U (en) * | 2016-08-24 | 2017-04-12 | 崔雪峰 | Window shade winding and unwinding devices is used with automatic teaching to computer |
| CN206431606U (en) * | 2016-11-24 | 2017-08-22 | 德为显示科技股份有限公司 | A kind of digital medical diagosis room |
| CN109637401A (en) * | 2019-01-23 | 2019-04-16 | 吉林省鼎瓒科技有限公司 | Back projection show window media darkroom |
| CN211669493U (en) * | 2019-12-24 | 2020-10-13 | 上海迪东科技有限公司 | Shading device for projection screen |
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