CN201262787Y - Portable multimedia demonstration device - Google Patents
Portable multimedia demonstration device Download PDFInfo
- Publication number
- CN201262787Y CN201262787Y CNU200820042328XU CN200820042328U CN201262787Y CN 201262787 Y CN201262787 Y CN 201262787Y CN U200820042328X U CNU200820042328X U CN U200820042328XU CN 200820042328 U CN200820042328 U CN 200820042328U CN 201262787 Y CN201262787 Y CN 201262787Y
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- portable multimedia
- projector
- multimedia presentation
- presentation device
- casing
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Abstract
The utility model discloses a portable multimedia demonstration device, comprising a box body, a box cover, a projector, a digital display device, a power supply interface and a multimedia input interface, and the portable multimedia demonstration device further comprises a projection reflection mirror, a computer mainframe and a keyboard. The portable multimedia demonstration device has the advantages that the box body is provided with the mainframe, the keyboard and other devices, thereby being capable of independently demonstrating a digital file, avoiding inconvenient carry and connection of the mainframe, the keyboard and other external devices, having high system integration and powerful functions and truly realizing the integration of the mainframe, the projector, the digital display and other multimedia functions.
Description
Technical field
The utility model relates to a kind of multimedia electrical teaching exhibiting device, relates in particular to a kind of portable multimedia presentation device.
Background technology
Along with science and technology development, the occasion that the mode of employing multimedia electronic teaching or employing multimedia presentation is carried out various meetings, teaching is more and more general, people wish to use easily the multimedia presentation equipment of multiple dispersion, and multimedia integrated equipment volume is little, in light weight, little power consumption, function is complete, cost is low, be easy to carry.For achieving the above object, China's utility model patent 200520030765.6 instructionss disclose a kind of multimedia teaching apparatus, it has casing, casing adopts aluminium plastic material to make, the casing top is the exhibition booth, the top, exhibition booth is provided with camera head, on the exhibition booth, be provided with fixed orifice, fixed orifice is used to install the adjustable support of camera head, in casing, be provided with projector and voice playing device, be provided with audio frequency, vision signal, power supply input, output plughole and function switch in the side of casing, also be provided with handle at the opposite side of casing.
Above-mentioned the deficiencies in the prior art part is: casing adopts aluminium plastic material to make, though alleviate to some extent than the weight of metal material, but still heavier, be unfavorable for carrying; Camera head and adjustable support thereof are positioned at the casing outside, dismounting trouble when not only at every turn using, and camera head and support thereof also will be deposited separately, and be very inconvenient; Projector's projection angle is fixed, and can only could adjust projection angle by mobile box, uses inconvenience; Casing seals and cooling system is not set, and a large amount of heats that multimedia equipment distributes usually cause temperature too high in closed box, uses for a long time or in summer, influences the usability of multimedia equipment, and even breaks down, and shortens service life of equipment; This multimedia teaching apparatus integrated level is low, can not independently demonstrate digital file, must be connected with external equipments such as main frame, keyboards just to have aforementioned functional, and carrying, connecting of external equipments such as main frame, keyboard greatly reduces ease of use.
Summary of the invention:
The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of improved portable multimedia presentation device is provided.
The technical solution of the utility model is as follows: a kind of portable multimedia presentation device, comprise casing, case lid, projector's erecting device, power interface, multimedia input interface, and also comprise projection catoptron, host computer, keyboard.
Comprise the digital code exhibiting device in the described casing.
Described projection catoptron is installed in described case lid inboard, is provided with angle regulator between described projection catoptron and the described case lid plane.
Described angle regulator comprises rotating shaft, support bar.
Described projector erecting device is arranged on the bottom surface of described casing.
Described projector erecting device is arranged on the side of described casing.
Described projector erecting device is a supporting plate, and described supporting plate comprises projector's angle regulating device, projector's fixed orifice.
Described angle regulating device is rotating shaft.
Described digital code exhibiting device comprises digital camera lens, sway brace.
Described multimedia input interface comprises microphone input, VGA input, audio frequency input, video input interface, and described casing is provided with power amplifier, audio amplifier, handle, and described casing, case lid are made by engineering plastics.
The beneficial effect that the utility model compared with prior art has is:
1, casing, case lid adopt engineering plastic materials to make, and light, insulation safety attractive in appearance, are easy to carry;
2, digital camera lens, sway brace and casing flexibly connect, needn't dismounting during use, and the collapsible box house that places when carrying, digital camera lens, sway brace need not to deposit separately, use very convenient;
3, projector's projection angle can pass through projector's angle regulating device, projection catoptron regulating device dual regulation, is convenient to the operator and uses;
4, the reflection by the projection catoptron can realize the closely drop shadow effect of big picture, strengthens the teaching bandwagon effect greatly;
5, multimedia interface is complete, possesses power amplifier, audio amplifier, further strengthens multimedia show function and effect;
When 6, using, case lid is opened, and casing opens wide, and has improved the operating ambient temperature of multimedia equipment greatly, guarantees that multimedia equipment is long-time or in the usability in summer, and the equipment failure of avoiding high temperature to cause prolongs serviceable life of multimedia equipment;
7, casing is provided with equipment such as main frame, keyboard, can independently demonstrate digital file, remove the inconvenience that external equipments such as main frame, keyboard carry, connect from, system height is integrated, powerful, really realize the integrated of multimedia functions such as main frame, projector, digital code exhibiting.
Description of drawings:
Fig. 1 is the utility model embodiment 1 structural representation;
Fig. 2 is the utility model embodiment 2 structural representations;
Fig. 3 is a projection mirror angle regulating device structural representation.
Embodiment:
Below in conjunction with the drawings and specific embodiments the utility model is described in detail.
Embodiment 1: a kind of as shown in Figure 1 portable multimedia presentation device, comprise casing 1, case lid 2, projector's erecting device, power interface 5, multimedia input interface 4, also comprise host computer 12, keyboard 13, projection catoptron 6, be used for the projection image of reflective projection machine.Projector's erecting device comprises supporting plate 15, rotating shaft 14, projector's fixed orifice 3.During use, projector is placed on the supporting plate 15, fixing by fixed orifice 3, rotating shaft 14 is used to regulate the projector elevation angle, rotating shaft 14 is two parts in relative rotation, and a part is connected with supporting plate 15, and a part is connected with casing 1 bottom surface, reflection by the projection catoptron can realize the closely drop shadow effect of big picture, strengthens the teaching bandwagon effect greatly.Be provided with the digital code exhibiting device in the case lid 2, the digital code exhibiting device comprises digital camera lens 7, sway brace 8, and digital camera lens 7, sway brace 8 flexibly connect with case lid 2, needn't dismounting during use, collapsible casing 1 inside that places when carrying, digital camera lens 7, sway brace 8 need not to deposit separately, use very convenient.Casing 1 is provided with power amplifier 9, audio amplifier 10, handle 11, and casing 1, case lid 2 are made by engineering plastics, light, insulation safety attractive in appearance, is easy to carry.Multimedia input interface 4 comprises microphone input, VGA input, audio frequency input, video input interface, and multimedia interface is complete, possesses power amplifier, audio amplifier, further strengthens multimedia show function and effect.During use, case lid 2 is opened, and casing 1 opens wide, and has improved the operating ambient temperature of multimedia equipment greatly, guarantees that multimedia equipment is long-time or in the usability in summer, and the equipment failure of avoiding high temperature to cause prolongs serviceable life of multimedia equipment.Casing 1 is provided with equipment such as main frame 12, keyboard 13, can independently demonstrate digital file, remove the inconvenience that external equipments such as main frame, keyboard carry, connect from, system height is integrated, powerful, really realize the integrated of multimedia functions such as main frame, projector, digital code exhibiting.
As shown in Figure 3, projection catoptron 2 angle regulators comprise rotating shaft 3, support bar 1, projection catoptron 2 is connected with support bar 1, rotating shaft 3 is two parts in relative rotation, a part is connected with support bar 1, a part is connected with the case lid plane, regulates the angle of projection catoptron 2 by the rotation of rotating shaft 3.Projector's projection angle is convenient to the operator and is used by angle regulating device, projection catoptron regulating device dual regulation.
Embodiment 2: as shown in Figure 2, its difference from Example 1 is that rotating shaft 2 is two parts in relative rotation, and a part is connected with supporting plate 1, and a part is connected with the casing side, regulates the projector elevation angle by rotating shaft 2.
In addition to the implementation, the utility model can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the protection domain of the utility model requirement.
Claims (10)
1. a portable multimedia presentation device comprises casing, case lid, projector's erecting device, power interface, multimedia input interface, it is characterized in that also comprising projection catoptron, host computer, keyboard.
2. a kind of portable multimedia presentation device according to claim 1 is characterized in that comprising in the described casing digital code exhibiting device.
3. a kind of portable multimedia presentation device according to claim 1 is characterized in that described projection catoptron is installed in described case lid inboard, is provided with angle regulator between described projection catoptron and the described case lid plane.
4. a kind of portable multimedia presentation device according to claim 3 is characterized in that described angle regulator comprises rotating shaft, support bar.
5. a kind of portable multimedia presentation device according to claim 1 is characterized in that described projector erecting device is arranged on the bottom surface of described casing.
6. a kind of portable multimedia presentation device according to claim 1 is characterized in that described projector erecting device is arranged on the side of described casing.
7. a kind of portable multimedia presentation device according to claim 1 is characterized in that described projector erecting device is a supporting plate, and described supporting plate comprises projector's angle regulating device, projector's fixed orifice.
8. a kind of portable multimedia presentation device according to claim 7 is characterized in that described angle regulating device is rotating shaft.
9. a kind of portable multimedia presentation device according to claim 2 is characterized in that described digital code exhibiting device comprises digital camera lens, sway brace.
10. a kind of portable multimedia presentation device according to claim 1, it is characterized in that described multimedia input interface comprises microphone input, VGA input, audio frequency input, video input interface, described casing is provided with power amplifier, audio amplifier, handle, and described casing, case lid are made by engineering plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820042328XU CN201262787Y (en) | 2008-08-06 | 2008-08-06 | Portable multimedia demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820042328XU CN201262787Y (en) | 2008-08-06 | 2008-08-06 | Portable multimedia demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201262787Y true CN201262787Y (en) | 2009-06-24 |
Family
ID=40809263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820042328XU Expired - Fee Related CN201262787Y (en) | 2008-08-06 | 2008-08-06 | Portable multimedia demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201262787Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011106908A1 (en) * | 2010-03-05 | 2011-09-09 | Ruan Changgen | Portable multimedia demonstration device |
| CN102609050A (en) * | 2012-04-10 | 2012-07-25 | 天津中环创新科技有限公司 | Miniature projection computer |
| CN108922256A (en) * | 2018-06-15 | 2018-11-30 | 德森商学院（深圳）有限公司 | A kind of portable Internet education instructional device |
-
2008
- 2008-08-06 CN CNU200820042328XU patent/CN201262787Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011106908A1 (en) * | 2010-03-05 | 2011-09-09 | Ruan Changgen | Portable multimedia demonstration device |
| CN102609050A (en) * | 2012-04-10 | 2012-07-25 | 天津中环创新科技有限公司 | Miniature projection computer |
| CN108922256A (en) * | 2018-06-15 | 2018-11-30 | 德森商学院（深圳）有限公司 | A kind of portable Internet education instructional device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090624 Termination date: 20120806 |