CN105242486A - Display device - Google Patents
Display device Download PDFInfo
- Publication number
- CN105242486A CN105242486A CN201510726128.0A CN201510726128A CN105242486A CN 105242486 A CN105242486 A CN 105242486A CN 201510726128 A CN201510726128 A CN 201510726128A CN 105242486 A CN105242486 A CN 105242486A
- Authority
- CN
- China
- Prior art keywords
- display device
- perforate
- loudspeaker
- accommodation space
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- 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
- G03B29/00—Combinations of cameras, projectors or photographic printing apparatus with non-photographic non-optical apparatus, e.g. clocks or weapons; Cameras having the shape of other objects
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
Provided in the invention is a display device. According to the display device, a coil temperature of a loudspeaker can be reduced. The display device comprises a housing, a function system and a single loudspeaker. The housing is separated into an accommodation space unit and a loudspeaker separation chamber and is provided with at least one hole; and the loudspeaker separation chamber is connected with external space by the hole. The function system is arranged in the accommodation space unit, so that the display device has a display function. The single loudspeaker contains a vibration membrane part and a coil part, wherein the two parts are opposite to each other. Because the single loudspeaker arranged in the loudspeaker separation chamber, the vibration membrane part faces the accommodation space unit and the coil part is closer to the at least one hole by compared with the vibration membrane part.
Description
Technical field
The present invention about a kind of display device, especially about a kind of display device reducing horn single body temperature.
Background technology
Projector is a kind of display device projecting image.Known projector is general simple as projecting the video-unit of image to target screen, or further built-in loudspeaker is to provide audio simultaneously.But the loudspeaker of known projector is normally by installing loudspeaker additional to reach the function of sounding, and the restriction of the peak power of most horn single body is that drive current flowing through coil causes coil heating.If the too high meeting of temperature makes the deterioration disintegration when high temperature of the viscose glue of fixed coil, therefore coil is out of shape or dissipates, and makes loudspeaker permanent damages.
Projector, because the power consumption of product major function is quite large, makes temperature in casing very high, such as casing internal temperature more than about 50 degree, hot spot region as around bulb more up to 70 ~ 100 degree.So high temperature can have a strong impact on the exportable power of horn single body, even if because loudspeaker do not work completely, coil temperature is just high than room temperature tens of degree, if loudspeaker action pronunciation again, then coil is easy to damage because of overheated.
Therefore, how under the finite space and High Operating Temperature of display device, one of real important issue for research and development of coil temperature effectively reducing horn single body.
Summary of the invention
The object of the present invention is to provide a kind of display device, to solve the problem.
In order to achieve the above object, on the one hand, the invention provides a kind of display device, comprise: housing, functional system and horn single body, this housing divides and is separated with accommodation space and loudspeaker compartment and has at least one perforate, and this loudspeaker compartment is communicated with space outerpace by this perforate; This functional system is arranged in this accommodation space, has Presentation Function to make this display device; This horn single body comprises the vibrating diaphragm portion and coil portion that are positioned at opposite side, and this horn single body is arranged in this loudspeaker compartment, make this vibrating diaphragm portion towards this accommodation space and this coil portion comparatively this vibrating diaphragm portion near this at least one perforate.
Preferably, this housing comprises multiple wallboard to cross this accommodation space and this loudspeaker compartment, this at least one perforate be opened in the plurality of wallboard at least one of them, make this at least one perforate have the percentage of open area of 15% to 100% relative to this horn single body.
Preferably, this accommodation space is arranged at this case inside, and this loudspeaker compartment is the dented space of this hull outside.
Preferably, separately comprise dividing plate, wherein this dividing plate is arranged to be separated out resonating spaces in this housing, and this resonating spaces is between this loudspeaker compartment and this accommodation space.
Preferably, this display device is projector, and this functional system is optical-mechanical system.
Preferably, this optical-mechanical system comprises light source module, imaging modules and light transmission part, and wherein this light transmission part is connected between this light source module and this imaging modules.
Preferably, this coil portion and this light source die component are located at the two ends of this housing relative angle.
On the other hand, the invention provides a kind of display device, comprise: housing, functional system and loudspeaker, this housing has accommodation space and at least one perforate; This functional system is arranged in this accommodation space, has Presentation Function to make this display device; These loudspeaker comprise audio amplifier, vibrating diaphragm portion and coil portion, this audio amplifier has resonating spaces, this vibrating diaphragm portion is set to towards this resonating spaces and this coil portion is exposed to this audio amplifier, these loudspeaker to be arranged in this accommodation space and this perforate to should coil portion, this coil portion is communicated with space outerpace by this at least one perforate.
Preferably, this housing comprises multiple wallboard to cross this accommodation space, this at least one perforate be opened in the plurality of wallboard at least one of them, make this at least one perforate have the percentage of open area of 15% to 100% relative to this coil portion.
Preferably, this display device is projector, and this functional system is optical-mechanical system.
Preferably, this optical-mechanical system comprises light source module, imaging modules and light transmission part, and wherein this light transmission part is connected between this light source module and this imaging modules.
Preferably, this coil portion and this light source die component are located at the two ends of this housing relative angle.
Compared with prior art, display device provided by the invention, design by compartment, the functional parts of horn single body and display device is separated, and loudspeaker compartment is communicated with space outerpace by opening in shell, reduce the temperature of heat-sensitive component of horn single body with heat radiation effect, so maximize horn single body can operating power.
Accompanying drawing explanation
Figure 1A and Figure 1B is respectively stereographic map and the configuration schematic diagram of the display device of one embodiment of the invention;
Fig. 1 C is the schematic diagram of the horn single body of one embodiment of the invention;
Fig. 2 A and Fig. 2 B is the configuration schematic diagram of the display device of different embodiments of the invention;
Fig. 3 and Fig. 4 is the configuration schematic diagram of the display device of different embodiments of the invention; And
Fig. 5 is the stereographic map of the display device of another embodiment of the present invention.
Embodiment
For making there is further understanding to object of the present invention, structure, feature and function thereof, embodiment is hereby coordinated to be described in detail as follows.
The invention provides a kind of display device, especially by the display device of the corresponding loudspeaker heat-sensitive component configuration of opening in shell, the heat energy produced with the functional system reducing display device to the harmful effect of the heat-sensitive component of horn single body, and then promotes operating power and the life-span of loudspeaker.In following examples, though illustrate display device of the present invention, not as limit with projector.In other embodiments, display device of the present invention can be and is anyly attached with loudspeaker and has the electronic installation of Presentation Function.In the rear embodiment with reference to graphic detailed description display device of the present invention.
Figure 1A and Figure 1B is respectively stereographic map and the configuration schematic diagram of the display device of one embodiment of the invention; Fig. 1 C is the schematic diagram of the horn single body of one embodiment of the invention; Fig. 2 A and Fig. 2 B is the configuration schematic diagram of the display device of different embodiments of the invention; Fig. 3 and Fig. 4 is the configuration schematic diagram of the display device of different embodiments of the invention; And Fig. 5 is the stereographic map of the display device of another embodiment of the present invention.
As shown in Figure 1A to Fig. 1 C, display device 10 comprises housing 100, functional system 200 and horn single body 300.Housing 100 points is separated with accommodation space 102 and loudspeaker compartment 104 and has at least one perforate 106, and wherein loudspeaker compartment 104 is communicated with space outerpace by perforate 106.Functional system 200 is arranged in accommodation space 102, has Presentation Function to make display device 10.For example, in this embodiment, display device 10 is projector, and functional system 200 is optical-mechanical system.Horn single body 300 comprises the vibrating diaphragm portion 310 and coil portion 320 that are positioned at opposite side, wherein horn single body 300 is arranged in loudspeaker compartment 104, make vibrating diaphragm portion 310 towards accommodation space 102 and coil portion 320 comparatively near perforate 106, has higher radiating efficiency to make coil portion 320 in vibrating diaphragm portion 310.Wherein, coil portion 320 is heat-sensitive component.
Specifically, as shown in Figure 1A, to be arranged at for the functional system 200 of optical-mechanical system in the accommodation space 102 of housing section 100 and to comprise light source module 210, imaging modules 220 and light transmission part 230, wherein imaging modules 220 is arranged at the side of light source module 230, and light transmission part 230 is connected between light source module 210 and imaging modules 220.In this embodiment, light transmission part 230 can be photoconductive tube, light guide pillar or other elements for transmission ray, and light source module 210, imaging modules 220 and light transmission part 230 are configured to L shape, but not as limit.In other embodiments, according to design requirement, light source module 210, imaging modules 220 and light transmission part 230 can be configured to straight line or any suitable shape.Light source module 210 by light transmission part 230 by light transmission to imaging modules 220, and ray cast is formed image according to image data process light by imaging modules 220 outside housing 10.
Light source module 210 can comprise multiple luminescence unit 212 and mixed light unit 214, and wherein luminescence unit 212 is arranged at mixed light unit 214 around, and emits beam to mixed light unit 214.In this embodiment, the side of mixed light unit 214 connects light transmission part 230, and luminescence unit 212 is arranged at the not homonymy (such as its excess-three side) of mixed light unit 214 respectively and penetrates the light with different colours or wavelength to mixed light unit 214.Mixed light unit 214 receive and mixed luminescence unit 212 penetrate light and to light transmission part 230 export mixing light (such as white light).In this embodiment, luminescence unit 212 is better is respectively the light emitting diode exporting red, green, blue coloured light line, but not as limit.In other embodiments, luminescence unit 212 can be the light emitting diode sending white or other colors (or wavelength) light.Imaging modules 220 comprises lens unit 222 and image formation optical unit 224, wherein image formation optical unit 224 connects light transmission part 230 to receive light, and obtain corresponding target light according to image data process light, then form image by target light is projeced into outside housing 10 by lens unit 222.In an embodiment, image formation optical unit 224 comprises digital micro-mirror device (digitalmicromirrordevice, DMD), and it controls micro mirror to form image according to image signal.
Moreover as illustrated in figures ia and ib, housing 100 comprises multiple wallboard (such as exterior panel 112, inside panel 114) to cross accommodation space 102 and loudspeaker compartment 104.For example, exterior panel 112 can comprise such as top board, base plate and connect the side plate of top board and base plate, to surround the housing 100 of such as rectangle; And inside panel 114 is arranged at inside housing 100, be divided into for the accommodation space 102 of accommodating functional system (such as optical-mechanical system) 200 and for the loudspeaker compartment 104 arranging horn single body 300 with the inner space that exterior panel 112 is surrounded.Inside panel 114 offers bellmouth orifice 114a, for the vibrating diaphragm portion 310 arranging horn single body 300.In this embodiment, inside panel 114 is preferably L-type plate, and its two ends connect the adjacent outer wall panel 112 as side plate respectively, is divided into essence independently accommodation space 102 and loudspeaker compartment 104 with the inner space surrounded by exterior panel 112.That is, the top of inside panel 114, bottom and two side ends connect the exterior panel 112 as top board, base plate and two adjacent side plates respectively, and except circuit hole and bellmouth orifice 114a, inside panel 114 is better does not offer other holes, to make accommodation space 102 and loudspeaker compartment 104 essence separate completely, but not as limit.
In other embodiments, inside panel 114 can have other shapes and set-up mode.In another embodiment, as shown in Figure 2 A, inside panel 114 ' is such as module extender board, and linear inside panel 114 ' only can connect the exterior panel 112 as side plate using single side, for the vibrating diaphragm portion 310 arranging horn single body 300, and accommodation space 102 and loudspeaker compartment 104 is made not to separate completely and can be communicated with in side.In another embodiment, as shown in Figure 2 B, inside panel 114 ' is such as module extender board, and linear inside panel 114 ' two side ends can connect adjacent outer wall panel 112 as side plate respectively, separates completely to make accommodation space 102 and loudspeaker compartment 104 essence.
Moreover the corresponding loudspeaker compartment 104 of perforate 106 of housing 100 is arranged, be communicated with the space (i.e. space outerpace) outside housing 100 by perforate 106 to make loudspeaker compartment 104.Specifically, perforate 106 be opened in multiple exterior panel 112 at least one of them, make perforate 106 have the percentage of open area of at least 15% relative to horn single body 300.In other words, the area of perforate 106 is preferably more than 15% (especially coil portion 320 area more than 15%) of horn single body 300 area, to make loudspeaker compartment 104 can have enough thermal convections with the space outerpace outside housing 100 by perforate 106, and then the heat-sensitive component of horn single body 300 (such as coil portion 320) is made to have preferably radiating efficiency.In an embodiment, perforate 106 has the percentage of open area of 15% to 100% relative to horn single body 300; Such as, relative to the coil portion 310 of horn single body 300, the area preferred configuration of perforate 106 is the percentage of open area making to supply the exterior panel 112 offering perforate 106 to have 15% to 100%, but not as limit.In this embodiment, perforate 106 is preferably circular port, and is opened in one of them exterior panel 112 as side plate, but not as limit.In other embodiments, perforate 106 can be opened in adjacent outer wall panel 112, as shown in Figure 2 B.Should be noted at this, the shape of perforate 106, number and position can have other to change according to actual radiating requirements, and are not limited with shown in embodiment.
In the present invention, horn single body 300 is arranged so that in loudspeaker compartment 104 heat-sensitive component is outside housing 100, and the higher parts of other thermotolerances are inside housing 100.For example, as shown in Figure 1 C, vibrating diaphragm portion 310 is connected to the side of coil portion 320, and vibrating diaphragm portion 310 has the heat resisting temperature higher than coil portion 320.When horn single body 300 is arranged at loudspeaker compartment 104, the bellmouth orifice 114a of inside panel 114 is fixed in vibrating diaphragm portion 310, to make vibrating diaphragm portion 310 towards accommodation space 102 (i.e. Function-oriented sexual system 200), and coil portion 320 is towards exterior panel 112, with make coil portion 320 comparatively vibrating diaphragm portion 310 near perforate 106.
In this embodiment, the better exterior panel 112 be arranged on the line direction of vibrating diaphragm portion 310 and coil portion 320 of perforate 106; That is perforate 106 center line is preferred parallel in the line direction of vibrating diaphragm portion 310 and coil portion 320, but not as limit.Moreover in an embodiment, the corresponding coil portion 320 of perforate 106 is offered, and the better coil portion 320 at least exposing part; That is, when being faced inside housing 100 by perforate 106 outside housing 100, goodly see at least part of coil portion 320.
In another embodiment, as shown in Figure 3, display device 10 separately comprises dividing plate 120, and to be separated out resonating spaces 108, wherein resonating spaces 108 is between loudspeaker compartment 104 and accommodation space 102, and vibrating diaphragm portion 310 is towards resonating spaces 108.That is on the line direction of vibrating diaphragm portion 310 and coil portion 320, housing 100 sequentially divides from inside to outside and is separated with accommodation space 102, resonating spaces 108 and loudspeaker compartment 104, and wherein resonating spaces 108 is better for loudspeaker compartment 104.The material of dividing plate 120 and thickness better using as audio amplifier wallboard for considering, and be more preferred from as audio amplifier wallboard and meet cooling requirements for considering.In this embodiment, dividing plate 120 is arranged in housing 100, and comparatively inside panel 114 near accommodation space 102, the top of its median septum 120, bottom and two side ends connect inside the exterior panel 112 as top board, base plate and biside plate relatively respectively, to be separated out resonating spaces 108 in the inner space of enclosing in exterior panel 112, using the audio amplifier cavity as display device 10, and then promote the audio performance of display device 10.
In the embodiment of Fig. 3, housing 100 points is separated with accommodation space 102, loudspeaker compartment 104 and resonating spaces 108, but in other embodiments, loudspeaker compartment 104 and resonating spaces 108 can be integrated in audio amplifier, to form the loudspeaker device with loudspeaker box structure with horn single body 300 (comprising vibrating diaphragm portion 310 and coil portion 320).As shown in Figure 4, in another embodiment, housing 100 ' has accommodation space 102 and at least one perforate 106, and wherein accommodation space 102 arranges except above-mentioned functional system 200 except supplying, also can for arranging loudspeaker 30.In this embodiment, loudspeaker 30 comprise audio amplifier 330, vibrating diaphragm portion 310 and coil portion 320, and wherein audio amplifier 330 has resonating spaces 332, and vibrating diaphragm portion 310 is set to towards resonating spaces 332 and coil portion 320 is better is exposed to audio amplifier 330.In other words, vibrating diaphragm portion 310 is arranged at close to inside audio amplifier 330, and coil portion 320 comparatively vibrating diaphragm portion 310 is outside audio amplifier 330, wherein audio amplifier 330 is better has opening to expose coil portion 320.
When loudspeaker 30 are arranged at the accommodation space 102 of housing 100 ', the corresponding coil portion 320 of perforate 106, makes coil portion 320 be communicated with, with improving heat radiation efficiency with housing 100 ' space outerpace outward by perforate 106.In other words, when loudspeaker 30 are arranged at the accommodation space 102 of housing 100 ', when being faced inside housing 100 by perforate 106 from housing 100 ' outside, goodly see at least part of coil portion 320.Similar previous embodiment, housing 100 ' comprises multiple wallboard (such as exterior panel 112) to cross accommodation space 102, perforate 106 be opened in multiple exterior panel 112 one of them, perforate 106 is made to have the percentage of open area of more than 15% relative to coil portion 320, and be preferably the percentage of open area of 15% to 100%, but not as limit.
Moreover in other embodiments, perforate 106 can be designed to make for the exterior panel 112 offering perforate 106 in the part of corresponding loudspeaker compartment 104 as to hollow out completely; That is at least one of them exterior panel 112 has shorter length or breach, at least side of loudspeaker compartment 104 is not surrounded by exterior panel 112, and makes at least side of loudspeaker compartment 104 be unsheltered open sides.For example, as shown in Figure 5, housing 100 " multiple exterior panel 112 can be designed to there is shorter length or breach, make loudspeaker compartment 104 be housing 100 " dented space 109 in outside, and so that horn single body 300 is arranged at housing 100 " outside.Specifically, housing 100 " comprise multiple exterior panel 112,112 '; to surround accommodation space 102; exterior panel 112 ' wherein as top board has rectangular indentation; and as the exterior panel 112 of side plate along the edge conjunction top board (namely 112 ') of top board (namely 112 '); with in housing 100 " outside forms the dented space 109 that three limits (such as top margin, two adjacent side) have open sides, but not as limit.
Further, preferably, coil portion 320 and functional system 200 are divided into the two ends of the relative angle of housing coil portion 320 to be arranged to the functional parts (i.e. functional system 200) away from display device 10, and then the heat energy that reduction functional parts produces is to the harmful effect of heat-sensitive component, and increase the cooling effect of heat-sensitive component by perforate.
Further, coil portion 320 and the light source module 210 of optical-mechanical system are divided into the two ends of the relative angle of housing to be arranged to by coil portion 320 away from the higher part of the functional parts temperature of display device 10, and then the heat energy that reduction functional parts produces is to the harmful effect of heat-sensitive component, and increase the cooling effect of heat-sensitive component by perforate.
Compared to prior art, the heat-sensitive component of loudspeaker is arranged to the functional parts (i.e. functional system 200) away from display device by display device of the present invention, to reduce heat energy that functional parts produces to the harmful effect of heat-sensitive component, and increase the cooling effect of heat-sensitive component by perforate.Moreover display device of the present invention designs by compartment, the functional parts of horn single body and display device is separated, and loudspeaker compartment is communicated with space outerpace by opening in shell, with heat radiation effect, and then maximize horn single body can operating power.
The present invention is described by above-mentioned related embodiment, but above-described embodiment is only enforcement example of the present invention.Must it is noted that the embodiment disclosed limit the scope of the invention.On the contrary, change done without departing from the spirit and scope of the present invention and retouching, all belong to scope of patent protection of the present invention.
Claims (12)
1. a display device, is characterized in that, comprises:
Housing, point being separated with accommodation space and loudspeaker compartment and having at least one perforate, this loudspeaker compartment is communicated with space outerpace by this perforate;
Functional system, is arranged in this accommodation space, has Presentation Function to make this display device; And
Horn single body, comprise the vibrating diaphragm portion and coil portion that are positioned at opposite side, this horn single body is arranged in this loudspeaker compartment, make this vibrating diaphragm portion towards this accommodation space and this coil portion comparatively this vibrating diaphragm portion near this at least one perforate.
2. display device as claimed in claim 1, it is characterized in that, this housing comprises multiple wallboard to cross this accommodation space and this loudspeaker compartment, this at least one perforate be opened in the plurality of wallboard at least one of them, make this at least one perforate have the percentage of open area of 15% to 100% relative to this horn single body.
3. display device as claimed in claim 1, it is characterized in that, this accommodation space is arranged at this case inside, and this loudspeaker compartment is the dented space of this hull outside.
4. the display device as described in any one of claims 1 to 3, is characterized in that, separately comprises dividing plate, and wherein this dividing plate is arranged to be separated out resonating spaces in this housing, and this resonating spaces is between this loudspeaker compartment and this accommodation space.
5. display device as claimed in claim 1, it is characterized in that, this display device is projector, and this functional system is optical-mechanical system.
6. display device as claimed in claim 5, it is characterized in that, this optical-mechanical system comprises light source module, imaging modules and light transmission part, and wherein this light transmission part is connected between this light source module and this imaging modules.
7. display device as claimed in claim 6, it is characterized in that, this coil portion and this light source die component are located at the two ends of this housing relative angle.
8. a display device, is characterized in that, comprises:
Housing, has accommodation space and at least one perforate;
Functional system, is arranged in this accommodation space, has Presentation Function to make this display device; And
Loudspeaker, comprise audio amplifier, vibrating diaphragm portion and coil portion, this audio amplifier has resonating spaces, this vibrating diaphragm portion is set to towards this resonating spaces and this coil portion is exposed to this audio amplifier, these loudspeaker to be arranged in this accommodation space and this perforate to should coil portion, this coil portion is communicated with space outerpace by this at least one perforate.
9. display device as claimed in claim 8, it is characterized in that, this housing comprises multiple wallboard to cross this accommodation space, this at least one perforate be opened in the plurality of wallboard at least one of them, make this at least one perforate have the percentage of open area of 15% to 100% relative to this coil portion.
10. display device as claimed in claim 8, it is characterized in that, this display device is projector, and this functional system is optical-mechanical system.
11. display device as claimed in claim 10, it is characterized in that, this optical-mechanical system comprises light source module, imaging modules and light transmission part, and wherein this light transmission part is connected between this light source module and this imaging modules.
12. display device as claimed in claim 11, is characterized in that, this coil portion and this light source die component are located at the two ends of this housing relative angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510726128.0A CN105242486B (en) | 2015-10-30 | 2015-10-30 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510726128.0A CN105242486B (en) | 2015-10-30 | 2015-10-30 | Display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105242486A true CN105242486A (en) | 2016-01-13 |
| CN105242486B CN105242486B (en) | 2017-12-01 |
Family
ID=55040172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510726128.0A Expired - Fee Related CN105242486B (en) | 2015-10-30 | 2015-10-30 | Display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105242486B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113678059A (en) * | 2020-06-30 | 2021-11-19 | 深圳市大疆创新科技有限公司 | Cloud platform camera and casing, movable platform thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009033421A (en) * | 2007-07-26 | 2009-02-12 | Funai Electric Co Ltd | Speaker device, and projector device using the same |
| CN102314062A (en) * | 2010-07-06 | 2012-01-11 | 三洋电机株式会社 | Projection type image display apparatus and speaker unit |
| US20130050578A1 (en) * | 2011-08-29 | 2013-02-28 | Hae-Yong Choi | Audio-video system for sports cafes |
| CN103686024A (en) * | 2012-09-10 | 2014-03-26 | 株式会社理光 | Electronic device and image projection apparatus |
| CN104950565A (en) * | 2015-07-07 | 2015-09-30 | 苏州佳世达光电有限公司 | Projection device |
-
2015
- 2015-10-30 CN CN201510726128.0A patent/CN105242486B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009033421A (en) * | 2007-07-26 | 2009-02-12 | Funai Electric Co Ltd | Speaker device, and projector device using the same |
| CN102314062A (en) * | 2010-07-06 | 2012-01-11 | 三洋电机株式会社 | Projection type image display apparatus and speaker unit |
| US20130050578A1 (en) * | 2011-08-29 | 2013-02-28 | Hae-Yong Choi | Audio-video system for sports cafes |
| CN103686024A (en) * | 2012-09-10 | 2014-03-26 | 株式会社理光 | Electronic device and image projection apparatus |
| CN104950565A (en) * | 2015-07-07 | 2015-09-30 | 苏州佳世达光电有限公司 | Projection device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113678059A (en) * | 2020-06-30 | 2021-11-19 | 深圳市大疆创新科技有限公司 | Cloud platform camera and casing, movable platform thereof |
| CN113678059B (en) * | 2020-06-30 | 2023-05-16 | 深圳市大疆创新科技有限公司 | Tripod head camera and shell and movable platform thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105242486B (en) | 2017-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101161949B1 (en) | Lighting device | |
| US9316897B2 (en) | Light source unit and projector | |
| CN104460203B (en) | Fluorescent illuminating device and possess the projecting apparatus of this fluorescent illuminating device | |
| EP1881367B1 (en) | Projector device, multilayer light-emitting diode device, and reflective light-emitting diode unit | |
| CN104834167A (en) | Projection device | |
| CN105785650B (en) | Backlight and its assemble method, display device | |
| CN104950565B (en) | Projection arrangement | |
| CN109521636A (en) | Electronic device, light supply apparatus and projection arrangement | |
| JP2011209400A (en) | Projector | |
| JP6119156B2 (en) | projector | |
| CN101281355B (en) | Projection machine and component for reducing projection machine temperature | |
| CN105242486A (en) | Display device | |
| CN108427239A (en) | Light supply apparatus and projection arrangement | |
| CN202975577U (en) | Radiation mechanism of projector | |
| TWI575301B (en) | Display device | |
| US11696066B2 (en) | Speaker device and projector | |
| CN104834168A (en) | Projection device | |
| CN101281351B (en) | Cooling air duct of prism optical part and projection machine | |
| JP4225991B2 (en) | Projector device | |
| TWI623803B (en) | Projector | |
| CN103488033B (en) | Image projection device | |
| CN106918985A (en) | Projection arrangement | |
| CN220473350U (en) | Point light source and machine vision detection device | |
| CN214704285U (en) | Novel projector ray apparatus cooling system | |
| JP5652535B2 (en) | projector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171201 Termination date: 20201030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |