CN203444229U - Portable projection system - Google Patents
Portable projection system Download PDFInfo
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- CN203444229U CN203444229U CN201320443932.4U CN201320443932U CN203444229U CN 203444229 U CN203444229 U CN 203444229U CN 201320443932 U CN201320443932 U CN 201320443932U CN 203444229 U CN203444229 U CN 203444229U
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- curtain
- projection
- projection screen
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Abstract
A portable projection system relates to the display field, and particularly relates to a projection display field. The portable projection system comprises a projection mechanism, a projection screen and a fixing base, wherein the projection mechanism is provided with a projection lens; the projection lens and the projection screen are arranged on the fixing base; the projection screen adopts a foldable structure; and the fixing base is an intelligent tool such as a mobile phone, a camera, a tablet computer, a PDA, an intelligent watch, and intelligent glasses which is convenient to be held or worn. The projection mechanism and the projection screen connected with the projection mechanism for imaging are arranged on the intelligent tool, and thus image display can be realized. In addition, as the foldable projection screen is adopted, the size of the intelligent tool in the general state can be reduced; and when a large screen is needed for display, the projection screen can be unfolded for large-size display.
Description
Technical field
The utility model relates to demonstration field, is specifically related to field of projection display.
Background technology
Along with popularizing of smart machine in daily life and work, display screen is also used widely in people's live and work.
Existing display mainly contains CRT monitor, LCD display, light-emitting diode display, and rear projection display.These displays respectively have advantage, but also respectively have deficiency.
Now a lot of smart machines develop towards miniaturization, and portable intelligent instrument is day by day universal, such as mobile phone, camera, panel computer, PDA, intelligent watch, intelligent glasses etc.But in order to meet visual effect requirement, need again large-sized screen.Therefore there is contradiction between showing in miniaturization and large scale, and be difficult at present eliminate.
Utility model content
The purpose of this utility model is, a kind of portable projection system is provided, to address the above problem.
The technical matters that the utility model solves can realize by the following technical solutions:
Portable projection system, comprises a projector mechanism and a projection screen, it is characterized in that, also comprise a fixed pedestal, described projector mechanism is provided with projection lens, and described projection lens and described projection screen are arranged on described fixed pedestal, and described fixed pedestal is a portable intelligent instrument.
Described projection screen adopts a folding collapsible projection screen.
Portable intelligent instrument, can, for mobile phone, camera, panel computer, PDA, intelligent watch, intelligent glasses etc., be convenient to portable intelligent instrument hand-held or that wear.Projector mechanism is set in intelligent tool, and accepts the projection screen of projector mechanism imaging, can realize image display.In addition, adopt folding collapsible projection screen, can reduce the volume of intelligent tool under general state, and when needs large screen display, can open wide again projection screen and carry out large scale demonstration.
Described fixed pedestal is provided with a vision signal input port.So that external picture output device.
In described fixed pedestal, be provided with battery system, described battery system connects described projector mechanism.For projector mechanism work provides electric energy.
Between described projection lens and described projection screen without shading housing.Do not need as the shell of rear-projection TV, light to be blocked.
Described collapsible projection screen comprises that curtain and curtain support, and described curtain is flexible, and described curtain is supported for folding structure, and described curtain is fixed on described curtain and supports.Thereby form a folding projection screen.
Described curtain is translucent structure.Thereby make user can see the scene at curtain rear.Good visual experience is provided.
Described projection screen is opaque structure.So that reduce extraneous light, disturb, promote clearness.
Described projection lens is positioned at the place ahead of described projection screen, and the viewing orientation of described projection screen is positioned at the place ahead of described projection screen.Thereby make the light of projection lens, reflex in user's eye.
On described fixed pedestal, be also provided with man-machine interactive system and microprocessor system, described microprocessor system connects described man-machine interactive system, and described man-machine interactive system adopts a kind of in keyboard system or touch-screen system.
The keyboard of described man-machine interactive system or touch-screen are between described projection lens and described projection screen.
Between described projection lens and described fixed pedestal, adopt the structure that is rotatably connected.So that change projecting direction.
Described projection lens is connected on described fixed pedestal by an elevating mechanism.So that when not using, can pack up.
Between described projection lens and described fixed pedestal, by a slide mechanism, be connected.So that adjust the position of projection lens, be adjusted at the imaging effect on projection screen.
Described slide mechanism can adopt screw-type slide mechanism.Also can adopt slide rail type slide mechanism.
Described slide mechanism connects a motor by a kinematic train.To realize motorized motions.
The first fold mechanism of projection screen:
Between described collapsible projection screen and described fixed pedestal, being can opening-closing structure.
Between described curtain support and described fixed pedestal, be rotationally connected.Being open-close type is rotationally connected.Described curtain supports and can be combined on described fixed pedestal.Can opening-closing structure thereby make to be between collapsible projection screen and described fixed pedestal.
When described collapsible projection screen is combined on described fixed pedestal, described collapsible projection screen does not block effective imaging light of described projector mechanism.So that be imaged on other projection screens.
Described collapsible projection screen adopts stacked fold mechanism.Allow collapsible projection screen to pack up and launch, thereby make the area of collapsible projection screen adjustable.
Described curtain supports and comprises that at least two knots support, and between at least two adjacent described sons support, is rotationally connected, and realizes deployable and stacked stacked folding.
Preferred described curtain supports and adopts three knots to support, and between two adjacent described sons support, is rotationally connected; Middle son supports and is connected with described fixed pedestal by an open-close type rotational coupling mechanism.
In the time of need to folding, can then the curtain after folding be supported by open-close type rotational coupling mechanism first by three knot supported foldings together, after rotation, be combined on fixed pedestal.Can be combined in front one side that fixed pedestal is fixed with projection lens, also can be combined in the back side one side of fixed pedestal.
The second fold mechanism of projection screen:
Described collapsible projection screen adopts Foldable fan formula foldable mechanism, and the curtain of Foldable fan formula foldable mechanism supports and comprises a fixed edge, and an active edges, and described curtain one side is fixed on described fixed edge, and opposite side is fixed in described active edges; Also be provided with a fixed mechanism for fixing described fixed edge and described active edges position.After strutting described Foldable fan formula folding structure, active edges can be carried out, thereby keep softened state.
Between described active edges and described fixed pedestal, be detachable being fixedly connected with, this removably connects and forms described fixed mechanism.After strutting described Foldable fan formula folding structure, active edges can be fixed on fixed pedestal, thereby keep softened state.
Also comprise that one struts power system, described in strut power system and adopt a motor, described motor connects described active edges by a kinematic train.
Between described Foldable fan formula folding structure also comprises that at least two bone bars are arranged in described fixed edge and described active edges, at least two described bone bars are coaxial with described active edges, and are fixed on described curtain.To curtain is carried out to excellent support.
Described curtain is rectangle, and the top of two described bone bars lays respectively at two bights of described rectangle top, and the top of described fixed edge and the top of described active edges lay respectively at two bights of described rectangle below.Thereby ensure that making the curtain of propping up is rectangle, meets the visual custom of general display.
The third fold mechanism of projection screen:
Described collapsible projection screen comprises a curtain accommodating mechanism, and described curtain supports and adopts scalable curtain supporting mechanism, described scalable curtain supporting mechanism to comprise a telescoping mechanism and be fixed on the support bar on described telescoping mechanism;
Described curtain is fixed on described support bar on one side, and the another side that described curtain is relative is fixed on described curtain accommodating mechanism.
When described telescoping mechanism extends, support bar is pulled out described curtain from curtain accommodating mechanism, thereby props up curtain.
Described curtain accommodating mechanism can be a rotary shaft curtain accommodating mechanism, and described rotary shaft curtain accommodating mechanism comprises a rotating shaft, and described curtain is in described rotating shaft.Described rotating shaft, by rotating forward or backwards, is carried out debit's curtain.
Described curtain accommodating mechanism can hold cavate curtain accommodating mechanism for one, described in take in cavate curtain accommodating mechanism and comprise that a container cavity A/F is more than or equal to the width of described curtain.The curtain of packing up is contained in described container cavity.
Described support bar is laterally placed, and the flexible direction of described telescoping mechanism is above-below direction.Realize flexible up and down.
The 4th kind of fold mechanism of projection screen:
Described curtain supports and can adopt a scalable curtain to support, and described scalable curtain supports and comprises that expansion link, described curtain are fixed at least one described expansion link; Curtain is propped up or is packed up in elongation and shortening by expansion link.Also comprise at least one flexible power system, described flexible power system connects described expansion link by a gear train, drives described expansion link to carry out expanding-contracting action.
Described flexible power system comprises an expansion strip drive system, and described expansion strip drive system comprises a flexible expansion strip and a driving mechanism;
Described flexible expansion strip through at least one described expansion link, and end connects end one joint of at least one described expansion link.
While stretching out under the driving at described flexible expansion strip at described driving mechanism, the pressure of connection expansion link end one joint increases, thereby drives expansion link to extend.
At described flexible expansion strip, in the driving of described driving mechanism time receiving next time, a joint pulling force of connection expansion link end increases, thereby drives expansion link to shorten.
Described expansion strip drive system also comprises that one for holding the flexible expansion strip holding mechanism of the flexible expansion strip of recovery.
Described flexible expansion strip holding mechanism can be a container cavity, can be also a roll shaft.
Described driving mechanism adopts a gear driven mechanism, and the gear of described gear driven mechanism connects a motor by a gear train; Described flexible expansion strip one side is tooth bar, described tooth bar and the engagement of described gear.By gear driving rack, and then drive flexible expansion strip action.
Described flexible power system can also adopt a Pneumatic extension power system, and described Pneumatic extension power system comprises an air pump, and at least one described expansion link is hollow structure and endcapped; The valve of described air pump and described expansion link UNICOM.
By above-mentioned design, when needs expansion link extends, can increase air pressure by described air-pump inflating, impel expansion link to extend.When needs expansion link shortens, can, by the air-breathing air pressure that reduces of described air pump, impel expansion link to shorten.
Accompanying drawing explanation
Fig. 1 is that a kind of one-piece construction of portable projection system struts schematic diagram;
Fig. 2 is the folding schematic diagram of a kind of one-piece construction of portable projection system;
Fig. 3 for adopt Foldable fan formula foldable mechanism projection screen strut schematic diagram;
Fig. 4 is the projection screen that adopts a scalable curtain and support struts schematic diagram.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object with effect is easy to understand, below in conjunction with the further elaboration the utility model of concrete diagram.
With reference to Fig. 1, Fig. 2, portable projection system, comprises a projector mechanism and a projection screen 2, also comprises a fixed pedestal 3, and projector mechanism is provided with projection lens 1, and projection lens 1 and projection screen 2 are arranged on fixed pedestal 3.Fixed pedestal 3 is a portable intelligent instrument.Projection screen 2 adopts a folding collapsible projection screen 2.
On fixed pedestal 3, be also provided with man-machine interactive system 31 and microprocessor system, microprocessor system connects man-machine interactive system 31, and man-machine interactive system 31 adopts a kind of in keyboard systems or touch-screen system.The keyboard of man-machine interactive system 31 or touch-screen are between projection lens 1 and projection screen 2.
Between projection lens 1 and fixed pedestal 3, adopt the structure that is rotatably connected.So that change projecting direction.Projection lens 1 is connected on fixed pedestal 3 by an elevating mechanism.So that when not using, can pack up.Between projection lens and fixed pedestal 3, by a slide mechanism, be connected.So that adjust the position of projection lens, be adjusted at the imaging effect on projection screen 2.Slide mechanism can adopt screw-type slide mechanism.Also can adopt slide rail type slide mechanism.Slide mechanism connects a motor by a kinematic train.To realize motorized motions.
The first fold mechanism of projection screen:
With reference to Fig. 1, Fig. 2, between collapsible projection screen and fixed pedestal 3, being can opening-closing structure.Curtain support 21 and 3 of fixed pedestals are rotationally connected.Being open-close type is rotationally connected.Curtain supports 21 and can be combined on fixed pedestal 3.Can opening-closing structure thereby make to be between collapsible projection screen and fixed pedestal 3.
When collapsible projection screen is combined on fixed pedestal 3, collapsible projection screen does not block effective imaging light of projector mechanism.So that be imaged on other projection screens.
Collapsible projection screen adopts stacked fold mechanism.Allow collapsible projection screen to pack up and launch, thereby make the area of collapsible projection screen adjustable.Curtain supports 21 and comprises that at least two knots support, and between at least two adjacent sons support, is rotationally connected, and realizes deployable and stacked stacked folding.
Preferably curtain supports 21 and adopts three knots supports, between two adjacent sons support, is rotationally connected; Middle son supports by an open-close type rotational coupling mechanism and is connected with fixed pedestal 3.In the time of need to folding, can then the curtain after folding be supported to 21 by open-close type rotational coupling mechanism first by three knot supported foldings together, after rotation, be combined on fixed pedestal 3.Can be combined in front one side that fixed pedestal 3 is fixed with projection lens, also can be combined in the back side one side of fixed pedestal 3.
The second fold mechanism of projection screen:
With reference to Fig. 3, collapsible projection screen adopts Foldable fan formula foldable mechanism, and the curtain of Foldable fan formula foldable mechanism supports 21 and comprises a fixed edge 41, and an active edges 42, and curtain 22 1 sides are fixed on fixed edge 41, and opposite side is fixed in active edges 42.Also be provided with one for fixing fixed edge 41 fixed mechanism with active edges 42 positions.After strutting Foldable fan formula folding structure, active edges 42 can be carried out, thereby keep softened state.
Between active edges 42 and fixed pedestal 3, be detachable being fixedly connected with, this formation fixed mechanism that removably connects.After strutting Foldable fan formula folding structure, active edges 42 can be fixed on fixed pedestal 3, thereby keep softened state.Also comprise that one struts power system, strut power system and adopt a motor, motor connects active edges 42 by a kinematic train.Between Foldable fan formula folding structure also comprises that at least two bone bars 43 are arranged in fixed edge 41 and active edges 42, at least two bone bars 43 are coaxial with active edges 42, and are fixed on curtain 22.To curtain 22 is supported.
The third fold mechanism of projection screen:
With reference to Fig. 4, collapsible projection screen comprises curtain 22 accommodating mechanisms, and curtain supports 21 and adopts scalable curtain supporting mechanism, and scalable curtain supporting mechanism comprises a telescoping mechanism 51 and is fixed on the support bar 52 on telescoping mechanism 51.Curtain 22 is fixed on support bar 52 on one side, and the another side that curtain 22 is relative is fixed on curtain 22 accommodating mechanisms.When telescoping mechanism 51 extends, support bar 52 is pulled out curtain 22 from curtain 22 accommodating mechanisms, thereby props up curtain 22.Support bar 52 is laterally placed, and the flexible direction of telescoping mechanism 51 is above-below direction.Realize flexible up and down.
The 4th kind of fold mechanism of projection screen:
Curtain supports 21 and can adopt a scalable curtain to support 21, and scalable curtain supports 21 and comprises expansion link, and curtain 22 is fixed at least one expansion link.Curtain 22 is propped up or is packed up in elongation and shortening by expansion link.Also comprise at least one flexible power system, flexible power system, by a gear train connection expansion link, drives expansion link to carry out expanding-contracting action.
(1) flexible power system comprises an expansion strip drive system, and expansion strip drive system comprises a flexible expansion strip and a driving mechanism.Flexible expansion strip through at least one expansion link, and end connects end one joint of at least one expansion link.While stretching out under the driving at flexible expansion strip at driving mechanism, the pressure of connection expansion link end one joint increases, thereby drives expansion link to extend.
At flexible expansion strip, in the driving of driving mechanism time receiving next time, a joint pulling force of connection expansion link end increases, thereby drives expansion link to shorten.Expansion strip drive system also comprises that one for holding the flexible expansion strip holding mechanism of the flexible expansion strip of recovery.Flexible expansion strip holding mechanism can be a container cavity, can be also a roll shaft.
Driving mechanism adopts a gear driven mechanism, and the gear of gear driven mechanism connects a motor by a gear train; Flexible expansion strip one side is tooth bar, rack and pinion engagement.By gear driving rack, and then drive flexible expansion strip action.
(2) flexible power system can also adopt a Pneumatic extension power system, and Pneumatic extension power system comprises an air pump, and at least one expansion link is hollow structure and endcapped; The valve of air pump and expansion link UNICOM.By above-mentioned design, when needs expansion link extends, can increase air pressure by air-pump inflating, impel expansion link to extend.When needs expansion link shortens, can, by the air-breathing air pressure that reduces of air pump, impel expansion link to shorten.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
1. portable projection system, comprises a projector mechanism and a projection screen, it is characterized in that, also comprise a fixed pedestal, described projector mechanism is provided with projection lens, and described projection lens and described projection screen are arranged on described fixed pedestal, and described fixed pedestal is a portable intelligent instrument.
2. portable projection system according to claim 1, is characterized in that: described portable intelligent instrument, for mobile phone, camera, panel computer, PDA, intelligent watch, intelligent glasses etc., be convenient to portable intelligent instrument hand-held or that wear.
3. portable projection system according to claim 1, is characterized in that: described projection screen adopts a folding collapsible projection screen;
In described fixed pedestal, be provided with battery system, described battery system connects described projector mechanism.
4. portable projection system according to claim 3, is characterized in that: described collapsible projection screen comprises that curtain and curtain support, and described curtain is flexible, and described curtain is supported for folding structure, and described curtain is fixed on described curtain and supports.
5. portable projection system according to claim 3, is characterized in that: described projection lens is positioned at the place ahead of described projection screen, and the viewing orientation of described projection screen is positioned at the place ahead of described projection screen; On described fixed pedestal, be also provided with man-machine interactive system and microprocessor system, described microprocessor system connects described man-machine interactive system, and described man-machine interactive system adopts a kind of in keyboard system or touch-screen system; The keyboard of described man-machine interactive system or touch-screen are between described projection lens and described projection screen.
6. according to the portable projection system described in claim 3,4 or 5, it is characterized in that: between described collapsible projection screen and described fixed pedestal, being can opening-closing structure.
7. portable projection system according to claim 6, is characterized in that: described collapsible projection screen adopts stacked fold mechanism.
8. according to the portable projection system described in claim 3,4 or 5, it is characterized in that: described collapsible projection screen adopts Foldable fan formula foldable mechanism, the curtain of Foldable fan formula foldable mechanism supports and comprises a fixed edge, with an active edges, described curtain one side is fixed on described fixed edge, and opposite side is fixed in described active edges; Also be provided with a fixed mechanism for fixing described fixed edge and described active edges position.
9. according to the portable projection system described in claim 3,4 or 5, it is characterized in that: described collapsible projection screen comprises a curtain accommodating mechanism, described curtain supports and adopts scalable curtain supporting mechanism, described scalable curtain supporting mechanism to comprise a telescoping mechanism and be fixed on the support bar on described telescoping mechanism;
Described curtain is fixed on described support bar on one side, and the another side that described curtain is relative is fixed on described curtain accommodating mechanism.
10. according to the portable projection system described in claim 3,4 or 5, it is characterized in that: described curtain supports and adopts a scalable curtain to support, and described scalable curtain supports and comprises that expansion link, described curtain are fixed at least one described expansion link; Curtain is propped up or is packed up in elongation and shortening by expansion link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320443932.4U CN203444229U (en) | 2013-02-22 | 2013-07-24 | Portable projection system |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310057387.X | 2013-02-22 | ||
| CN201310057387 | 2013-02-22 | ||
| CN201320443932.4U CN203444229U (en) | 2013-02-22 | 2013-07-24 | Portable projection system |
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| Publication Number | Publication Date |
|---|---|
| CN203444229U true CN203444229U (en) | 2014-02-19 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320443932.4U Expired - Lifetime CN203444229U (en) | 2013-02-22 | 2013-07-24 | Portable projection system |
| CN201310313666.8A Pending CN104007606A (en) | 2013-02-22 | 2013-07-24 | Integrated foldable projection equipment |
| CN201410047833.3A Pending CN104007599A (en) | 2013-02-22 | 2014-02-11 | Integrated foldable projection device |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310313666.8A Pending CN104007606A (en) | 2013-02-22 | 2013-07-24 | Integrated foldable projection equipment |
| CN201410047833.3A Pending CN104007599A (en) | 2013-02-22 | 2014-02-11 | Integrated foldable projection device |
Country Status (1)
| Country | Link |
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| CN (3) | CN203444229U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024963A (en) * | 2016-01-29 | 2017-08-08 | 联想(北京)有限公司 | A kind of electronic equipment |
| CN109656088A (en) * | 2019-01-31 | 2019-04-19 | 东莞市美之尊电子科技有限公司 | A kind of projection cloth storage device |
| WO2019154040A1 (en) * | 2018-02-06 | 2019-08-15 | 青岛同鑫创新实验室科技有限公司 | Integrated portable projection computer |
| CN115032879A (en) * | 2022-07-08 | 2022-09-09 | 深圳市芯科盈科技有限公司 | Projection type intelligent watch |
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| WO2016091118A1 (en) * | 2014-12-08 | 2016-06-16 | 窦志刚 | Variable-amplitude frame projection screen |
| US10288889B2 (en) | 2016-06-29 | 2019-05-14 | Microsoft Technology Licensing, Llc | Smart eyewear with movable display |
| CN106303467B (en) * | 2016-10-31 | 2022-08-16 | 陈童 | Intelligent wearable device and data transmission method |
| CN107121885B (en) * | 2017-06-27 | 2020-04-24 | 北京一数科技有限公司 | Base of ray apparatus |
| CN111050147A (en) * | 2018-10-11 | 2020-04-21 | 上海云绅智能科技有限公司 | Projection method and system based on five-fold screen field and five-fold screen field |
| CN110196037A (en) * | 2019-07-12 | 2019-09-03 | 成都信息工程大学 | A kind of foldable accurate bar code levelling rod based on projection |
| GB2589315B (en) * | 2019-11-20 | 2022-04-20 | Dyson Technology Ltd | Vacuum cleaner with projected display |
| CN112925153B (en) * | 2019-12-05 | 2022-05-31 | 青岛海信激光显示股份有限公司 | Laser projection device |
| CN113238446A (en) * | 2021-04-07 | 2021-08-10 | 国科易讯(北京)科技有限公司 | Mobile advertisement large screen |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4883369B2 (en) * | 2005-03-02 | 2012-02-22 | 日本電気株式会社 | Mobile device |
| CN201594167U (en) * | 2009-11-20 | 2010-09-29 | 江苏惠通集团有限责任公司 | Portable projecting apparatus for miniature terminal device |
| CN102692949A (en) * | 2011-03-21 | 2012-09-26 | 曾亚东 | A large screen-realizing handheld digital device |
| CN202168121U (en) * | 2011-08-23 | 2012-03-14 | 韩汶冀 | Projection cell phone with additional screen |
| CN202535428U (en) * | 2012-05-22 | 2012-11-14 | 广东欧珀移动通信有限公司 | Clamshell mobile phone structure with projection screen |
| CN202587090U (en) * | 2012-06-04 | 2012-12-05 | 广东欧珀移动通信有限公司 | Folding projection screen structure of cellphone |
-
2013
- 2013-07-24 CN CN201320443932.4U patent/CN203444229U/en not_active Expired - Lifetime
- 2013-07-24 CN CN201310313666.8A patent/CN104007606A/en active Pending
-
2014
- 2014-02-11 CN CN201410047833.3A patent/CN104007599A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024963A (en) * | 2016-01-29 | 2017-08-08 | 联想(北京)有限公司 | A kind of electronic equipment |
| CN107024963B (en) * | 2016-01-29 | 2020-09-25 | 联想(北京)有限公司 | Electronic equipment |
| WO2019154040A1 (en) * | 2018-02-06 | 2019-08-15 | 青岛同鑫创新实验室科技有限公司 | Integrated portable projection computer |
| CN109656088A (en) * | 2019-01-31 | 2019-04-19 | 东莞市美之尊电子科技有限公司 | A kind of projection cloth storage device |
| CN115032879A (en) * | 2022-07-08 | 2022-09-09 | 深圳市芯科盈科技有限公司 | Projection type intelligent watch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104007606A (en) | 2014-08-27 |
| CN104007599A (en) | 2014-08-27 |
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