CN201392595Y - Portable multimedia presentation device - Google Patents
Portable multimedia presentation device Download PDFInfo
- Publication number
- CN201392595Y CN201392595Y CN200920036884U CN200920036884U CN201392595Y CN 201392595 Y CN201392595 Y CN 201392595Y CN 200920036884 U CN200920036884 U CN 200920036884U CN 200920036884 U CN200920036884 U CN 200920036884U CN 201392595 Y CN201392595 Y CN 201392595Y
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- portable multimedia
- presentation device
- multimedia presentation
- bluetooth
- projector
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Abstract
The utility model discloses a portable multimedia presentation device, which comprises a box body, a box cover, a projection reflecting mirror, a projector installation device, a power interface and a multi-media input interface, wherein the box body is internally provided with a Bluetooth audio processing system. The Bluetooth audio processing system comprises a Bluetooth microphone and a Bluetooth signal adaptor, wherein the Bluetooth microphone and the Bluetooth signal adaptor are in wireless connection. The portable multimedia presentation device has the advantages of convenient use, small volume, high transmission efficiency, strong anti-interference capacity, fewer dead spots and reliable signal transmission.
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: the wireless microphone volume in the multimedia equipment is big, transfer efficiency is low, poor anti-interference, dead point are many, is unfavorable for the explanation of operating personnel in bigger displaying place, has a strong impact on the demonstration effect.
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, projection catoptron, projector's erecting device, power interface, multimedia input interface, and it is characterized in that also comprising the Bluetooth audio frequency disposal system.
Described Bluetooth audio frequency disposal system comprises bluetooth microphone, Bluetooth signal adapter.
Described Multimedia Mobile demo system also comprises projector, host computer, audio amplifier.
Described bluetooth microphone is a stereophone.
Described Bluetooth adapter is connected with audio amplifier by amplifier.
Described Bluetooth adapter is connected with host computer by audio input interface.
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 a supporting plate, and described supporting plate comprises projector's angle regulating device, projector's fixed orifice.Described angle regulating device is rotating shaft.
The beneficial effect that the utility model compared with prior art has is:
1, by the Bluetooth audio frequency disposal system is connected with sound equipment, operating personnel explain by microphone audio amplifying, help promoting the demonstration effect.
2, bluetooth microphone, the wireless connections of Bluetooth signal adapter, easy to use, volume is small and exquisite, transfer efficiency is high, antijamming capability is strong, the dead point is few, the signal transmission is reliable.
3, by the Bluetooth audio frequency disposal system is connected with host computer, can also be with sound signal typing host computer, handled easily personnel's courseware is prepared.
Description of drawings:
Fig. 1 is the utility model 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, and also comprise projection catoptron 6, be used for the projection image of reflective projection machine.Also comprise the Bluetooth audio frequency disposal system.Described Bluetooth audio frequency disposal system comprises bluetooth microphone 16, Bluetooth signal adapter 15, and Bluetooth adapter 15 is connected with audio amplifier 10 by amplifier 9.Bluetooth microphone 16,15 wireless connections of Bluetooth signal adapter, easy to use, volume is small and exquisite, transfer efficiency is high, antijamming capability is strong, the dead point is few, the signal transmission is reliable.
Projector's erecting device comprises supporting plate 13, rotating shaft 12, projector's fixed orifice 3.During use, projector is placed on the supporting plate 13, fixing by fixed orifice 3, rotating shaft 12 is used to regulate the projector elevation angle, rotating shaft 12 is two parts in relative rotation, and a part is connected with supporting plate 13, 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.
Embodiment 2: its difference from Example 1 is that Bluetooth adapter 15 is connected with host computer by audio input interface, can be with sound signal typing host computer, and handled easily personnel's courseware is prepared.
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, projection catoptron, projector's erecting device, power interface, multimedia input interface, it is characterized in that being provided with in described casing the Bluetooth audio frequency disposal system.
2. a kind of portable multimedia presentation device according to claim 1 is characterized in that described Bluetooth audio frequency disposal system comprises bluetooth microphone, Bluetooth signal adapter.
3. a kind of portable multimedia presentation device according to claim 1 is characterized in that also comprising projector, host computer, audio amplifier.
4. a kind of portable multimedia presentation device according to claim 2 is characterized in that described bluetooth microphone is a stereophone.
5. a kind of portable multimedia presentation device according to claim 2 is characterized in that described Bluetooth adapter is connected with audio amplifier by amplifier.
6. a kind of portable multimedia presentation device according to claim 2 is characterized in that described Bluetooth adapter is connected with host computer by audio input interface.
7. 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.
8. a kind of portable multimedia presentation device according to claim 7 is characterized in that described angle regulator comprises rotating shaft, support bar.
9. 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.
10. a kind of portable multimedia presentation device according to claim 9 is characterized in that described angle regulating device is rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920036884U CN201392595Y (en) | 2009-02-27 | 2009-02-27 | Portable multimedia presentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920036884U CN201392595Y (en) | 2009-02-27 | 2009-02-27 | Portable multimedia presentation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201392595Y true CN201392595Y (en) | 2010-01-27 |
Family
ID=41599417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920036884U Expired - Fee Related CN201392595Y (en) | 2009-02-27 | 2009-02-27 | Portable multimedia presentation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201392595Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011106908A1 (en) * | 2010-03-05 | 2011-09-09 | Ruan Changgen | Portable multimedia demonstration device |
-
2009
- 2009-02-27 CN CN200920036884U patent/CN201392595Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011106908A1 (en) * | 2010-03-05 | 2011-09-09 | Ruan Changgen | Portable multimedia demonstration 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: 20100127 Termination date: 20140227 |