CN2620335Y - Portable integrated platform for audio-visual instruction - Google Patents
Portable integrated platform for audio-visual instruction Download PDFInfo
- Publication number
- CN2620335Y CN2620335Y CN 03226271 CN03226271U CN2620335Y CN 2620335 Y CN2620335 Y CN 2620335Y CN 03226271 CN03226271 CN 03226271 CN 03226271 U CN03226271 U CN 03226271U CN 2620335 Y CN2620335 Y CN 2620335Y
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- processing circuit
- circuit
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- signal processing
- portable audio
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Abstract
Disclosed is a comprehensive portable electrified teaching platform, comprising a case body and a signal processing circuit. A mini- type DVD displayer and a physical good display device are installed inside the case body; a mini- type Liquid Crystal Display which is connected with the signal processing circuit is arranged on the inner side of the case cover; a plurality of signal input/output jacks are linked with corresponding ports of the signal processing circuit; the signal output terminals of the mini- type DVD displayer and the physical good display device are connected with the corresponding signal input sockets of the signal processing circuit. The utility model miniaturize a large physical good displayer, which is convenient for carrying and safekeeping; multimedia courseware, visual and audial files can be conveniently made quickly with a digital camera (or a mini- type vidicon) and a DVD machine, realizing the basic function of a traditional multimedia teaching platform. The cost is cut by 80 to 90 percent and the utility model is suitable to popularize in general schools.
Description
Technical field
The utility model relates to multimedia teaching platform, specifically is a kind of portable audio-visual education programme comprehensive platform.
Background technology
Along with progress of science and technology, the classroom instruction of school from simple oral account writing on the blackboard to utilizing multimedia means imagery three-dimensional evolving development.Utilize multimedia teaching platform to impart knowledge to students, improved teaching environment, improved teaching efficiency, help turning out high-quality talents.
Present multimedia teaching platform generally is made up of equipment such as material object display platform, large screen projector, computer, sound equipments, a classroom needs the investment of tens thousand of even tens0000, for tens classrooms of a school, it will be a sizable investment, therefore, this multimedia teaching platform is difficult in regular school and popularizes.
Summary of the invention
In view of existing multimedia teaching platform above shortcomings, the utility model proposes and a kind ofly can overcome above-mentioned defective, the portable audio-visual education programme comprehensive platform that is easy in regular school, apply.
Portable audio-visual education programme comprehensive platform of the present utility model comprises casing and signal processing circuit, small-sized DVD player and material object display device are installed in the casing, the small-sized LCDs that is connected with signal processing circuit is equipped with in the case lid inboard, some signal I/O sockets are connected to the corresponding port of signal processing circuit, and small-sized DVD player, material object display device output signal connect corresponding signal input socket respectively.
This portable audio-visual education programme comprehensive platform is with large-scale material object display platform miniaturization, be easy to carry and take care of, utilize digital camera (or miniature camera), DVD player can make multimedia courseware, teaching audiovisual materials quickly and easily, realized the basic function of tradition " multimedia teaching platform ".
Replace traditional projector with large-screen receiver, the resources such as large-screen color TV that classroom, laboratory have been equipped with are fully used, avoided duplicate construction, its investment need only the tradition " multimedia teaching platform " 10%～20%, be easy to popularize, have very big market popularization value in regular school.
Description of drawings
Fig. 1 is an exemplary embodiments structural representation of the present utility model;
Fig. 2 is its electric theory diagram;
Fig. 3 is the vision signal change-over circuit instance graph of Fig. 2.
Embodiment
Further specify below in conjunction with accompanying drawing.
Portable audio-visual education programme comprehensive platform shown in Figure 1 comprises casing and signal processing circuit part, small-sized DVD player (10) and material object display device (5) are installed in the casing (1), case lid (4) installed inside has the small-sized LCDs (6) that is connected with signal processing circuit, signal switch (7) is equipped with in the below of LCDs, Signal Regulation knob (8) and some signal I/O sockets (9,3), some signal I/O sockets are connected to the corresponding port of signal processing circuit, small-sized DVD player, the material object display device output signal connects corresponding signal input socket respectively.Small-sized DVD player can DVD playing back, the VCD image data; Small-sized LCDs can be monitored the picture that material object display device, DVD player and other various audio and video equipments of plugging into and parts transmit in real time, signal switch is used for switching signal source, the Signal Regulation knob is used for adjusting quality of signals, to reach best visual and sound effects.
Described material object display device (5) contains the parallelogram folding support (51) that is fixed in the casing (1), colored CCD camera (52) is installed on the top of folding rack (51), pass through to adjust the angle of folding rack during use, come the angle of conversion camera, to realize literal, picture and three-dimensional material object, carry out the picked-up of the image of diverse location, different distance and different angles to the plane.
This portable audio-visual education programme comprehensive platform is furnished with digital camera or miniature camera (2) at casing (1), can be used to take immediately photograph and video recording.
In addition, this portable audio-visual education programme comprehensive platform is equipped with coded lock (11) on casing, and the time spent can not pin chest, prevents that instrument is by accidental damage.
With reference to Fig. 2, its signal processing circuit comprises video channel and voice-grade channel, video channel contains vision signal change-over circuit and vision signal amplifying circuit, the output of vision signal change-over circuit connects the input of vision signal amplifying circuit, two output terminals of vision signal amplifying circuit connect the input end of video output socket, LCD video processing circuit respectively, the output of LCD video processing circuit connects LCDs, and some video input sockets connect vision signal change-over circuit input end; Voice-grade channel contains the voice mixing circuit, at the input ending connecting audio input socket and the MIC socket of voice mixing circuit, at the output ending connecting audio output socket of voice mixing circuit.
Above-mentioned video amplifier circuit, LCD video processing circuit and voice mixing circuit can adopt available circuit to realize.Its vision signal change-over circuit adopts circuit shown in Figure 3, this vision signal change-over circuit comprises the multi-channel electronic switch integrated circuit, some control termination signal switch (7) of multi-channel electronic switch integrated circuit, three input ends of multi-channel electronic switch integrated circuit all connect a video input socket, the multi-channel electronic switch integrated circuit is exported one tunnel vision signal of selecting, wherein signal switch (7) can adopt piano key button switch etc., and the multi-channel electronic switch ic output is by resistance R ground connection.
Described video input socket be used for plugging into CCD camera, digital camera, miniature camera, small-sized DVD player or other image parts, vision signal incoming video signal change-over circuit is changed, after amplifying, divides by the vision signal amplifying circuit two-way output again, one the tunnel connects televisor through the video output socket, another road connects LCDs after the LCD video processing circuit is handled.
Audio frequency input socket and the MIC socket acoustic components such as wire microphone, wireless microphone, small-sized DVD player that are used for plugging into, sound signal imported the voice mixing processing of circuit after, connect audio input end of televisor through the audio frequency output socket.
This portable audio-visual education programme comprehensive platform is with large-scale material object display platform miniaturization, replace projector with large-screen receiver, utilize digital camera (or miniature camera), DVD player to make multimedia courseware, teaching audiovisual materials quickly and easily, realize the basic function of " multimedia teaching platform "; Simultaneously, the classroom of many schools and laboratory all have been equipped with large-screen color TV, and existing resource is fully used, and have avoided duplicate construction.
Claims (7)
1, a kind of portable audio-visual education programme comprehensive platform, it is characterized in that comprising casing and signal processing circuit, small-sized DVD player and material object display device are installed in the casing, the small-sized LCDs that is connected with signal processing circuit is equipped with in the case lid inboard, some signal I/O sockets are connected to the corresponding port of signal processing circuit, and small-sized DVD player, material object display device output signal connect corresponding signal input socket respectively.
2, according to the described portable audio-visual education programme comprehensive platform of claim 1, it is characterized in that: described material object display device contains the folding rack that is fixed in the casing, and the colored CCD camera is installed on the top of folding rack.
3, according to the described portable audio-visual education programme comprehensive platform of claim 2, it is characterized in that: described folding rack is the parallelogram folding support.
4, according to the described portable audio-visual education programme comprehensive platform of claim 1, it is characterized in that: described signal processing circuit comprises video channel and voice-grade channel, video channel contains vision signal change-over circuit and vision signal amplifying circuit, the output of vision signal change-over circuit connects the input of vision signal amplifying circuit, two output terminals of vision signal amplifying circuit connect video output socket and LCD video processing circuit respectively, and some video input sockets connect vision signal change-over circuit input end; Voice-grade channel contains the voice mixing circuit, at the input ending connecting audio input socket and the MIC socket of voice mixing circuit, at the output ending connecting audio output socket of voice mixing circuit.
5, according to the described portable audio-visual education programme comprehensive platform of claim 4, it is characterized in that: described vision signal change-over circuit comprises multi-channel electronic switch, some control termination signal switch of multi-channel electronic switch.
6, according to the described portable audio-visual education programme comprehensive platform of claim 1, it is characterized in that: be furnished with digital camera or miniature camera in the described casing.
7, according to the described portable audio-visual education programme comprehensive platform of claim 1, it is characterized in that: on the described casing coded lock is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03226271 CN2620335Y (en) | 2003-05-16 | 2003-05-16 | Portable integrated platform for audio-visual instruction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03226271 CN2620335Y (en) | 2003-05-16 | 2003-05-16 | Portable integrated platform for audio-visual instruction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2620335Y true CN2620335Y (en) | 2004-06-09 |
Family
ID=34246471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03226271 Expired - Fee Related CN2620335Y (en) | 2003-05-16 | 2003-05-16 | Portable integrated platform for audio-visual instruction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2620335Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102663902A (en) * | 2012-04-20 | 2012-09-12 | 江苏省无锡立信中等专业学校 | Experimental teaching and practical teaching process rebroadcasting equipment |
| CN103996313A (en) * | 2014-06-12 | 2014-08-20 | 上海尚层电子科技有限公司 | Facade display board type material object exhibition stand |
-
2003
- 2003-05-16 CN CN 03226271 patent/CN2620335Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102663902A (en) * | 2012-04-20 | 2012-09-12 | 江苏省无锡立信中等专业学校 | Experimental teaching and practical teaching process rebroadcasting equipment |
| CN103996313A (en) * | 2014-06-12 | 2014-08-20 | 上海尚层电子科技有限公司 | Facade display board type material object exhibition stand |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |