CN2814551Y - Portable digital electrified education platform - Google Patents
Portable digital electrified education platform Download PDFInfo
- Publication number
- CN2814551Y CN2814551Y CN 200520063122 CN200520063122U CN2814551Y CN 2814551 Y CN2814551 Y CN 2814551Y CN 200520063122 CN200520063122 CN 200520063122 CN 200520063122 U CN200520063122 U CN 200520063122U CN 2814551 Y CN2814551 Y CN 2814551Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- channel
- video
- vision signal
- voice
- 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.)
- Expired - Fee Related
Links
Landscapes
- Electrically Operated Instructional Devices (AREA)
Abstract
The utility model relates to a portable digital electrified education platform, which comprises a box body, a small-sized DVD player, a material object display device and a liquid crystal display screen, wherein the small-sized DVD player and the material object display device are arranged in the box body; the liquid crystal display screen is arranged in the inner side of a box cover and used for monitoring and playing images. A signal processing circuit is arranged in the box body and comprises a video channel, an audio channel and a digital interface which is used for connecting mobile memories, the audio channel and the video channel. The utility model miniaturizes large-sized material object display tables, and is convenient to carry and keep. Multimedia courseware and educational video and audio data can be made fast and conveniently by using a digital camera (or a small-sized camera) and a DVD player, and the basic functions of a traditional ' multimedia teaching platform' can be achieved. The utility model can be also connected with mobile memories, such as mobile hard disks, U disks, etc., so that multimedia courseware stored in the mobile memories can be outputted to a large screen television to be played. The investment of the utility model can be decreased by 80%-90%., and the utility model is easy to popularize in common schools.
Description
Technical field
The utility model relates to multimedia teaching platform, particularly portable digital audio-visual education programme 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, to be a sizable investment, this multimedia teaching platform be difficult in regular school and popularizes.Therefore portable audio-visual education programme comprehensive platform has appearred.
Develop rapidly along with memory technology, jumbo mobile memory as constantly price reduction such as USB flash disk, portable hard drive, more and more is subjected to people's favor, utilize them to bring multimedia courseware into classroom, but existing portable audio-visual education programme comprehensive platform can not be play the courseware in the mobile memory.
Summary of the invention
In view of existing multimedia teaching platform above shortcomings, the utility model provides a kind of portable digital audio-visual education programme platform, this portable digital audio-visual education programme Platform Price is cheap, is easy to apply in regular school, and can plays the multimedia courseware that is stored in the mobile memory.
The utility model portable digital audio-visual education programme platform comprises casing, be installed on small-sized DVD player and material object display device in the casing, and be installed in the case lid inboard and be used to monitor the LCDs of performing in a radio or TV programme image, signalization treatment circuit in the described casing, this signal processing circuit comprises, one video channel, this video channel contains vision signal change-over circuit and vision signal amplifying circuit, the output termination vision signal input amplifier of vision signal change-over 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; One voice-grade channel, this 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; One is used to connect the digital interface of mobile memory and above-mentioned voice-grade channel, video channel, this digital interface is connected with video channel with voice-grade channel by decoding circuit, from the digital signal of mobile memory successively after digital processing circuit, decoding circuit are handled, with the vision signal input video passage that generates, with the sound signal input voice-grade channel that generates.
This portable digital audio-visual education programme 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.
This portable digital audio-visual education programme platform can be connected with mobile memories such as portable hard drive, USB flash disks, and the multimedia courseware that is stored in the mobile memory is outputed to the large-screen receiver broadcast.
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;
Fig. 4 is its digital interface figure.
Embodiment
Further specify below in conjunction with accompanying drawing.
Portable digital audio-visual education programme platform shown in Figure 1 comprises casing 1, small-sized DVD player 10 and material object display device 5 are installed in the casing 1, case lid 4 installed inside of casing 1 are used to monitor the small-sized LCDs 6 of performing in a radio or TV programme image, signalization treatment circuit in the described casing 1, signal switch 7 is equipped with in the below of LCDs 6, Signal Regulation knob 8 and some signal I/O sockets 9 and 3, the button 12 that the control figure is play is housed on the wainscot, is furnished with telepilot 13 in the casing, outer panels is equipped with infrared signal receive window 14, inboard some signal I/O sockets are connected to the corresponding port of signal processing circuit, small-sized DVD player 10, material object display device 5 output signals connect corresponding signal input socket respectively.Small-sized DVD player 10 can DVD playing back, the VCD image data; Small-sized LCDs 6 can be monitored the picture that material object display device 5, DVD player 10 and other various audio and video equipments of plugging into and parts transmit in real time, signal switch 7 is used for switching signal source, Signal Regulation knob 8 is used for adjusting quality of signals, to reach best visual and sound effects.
Material object display device 5 contains the parallelogram folding support 51 that is fixed in the casing 1, colour imagery shot 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 digital audio-visual education programme platform is furnished with digital camera or miniature camera 2 at casing 1, can be used to take immediately photograph and video recording.Coded lock 11 is installed on casing 1, and the time spent can not pin chest, prevents that instrument is by accidental damage.
With reference to Fig. 2, the signal processing circuit of portable digital audio-visual education programme platform comprises, one video channel 21, video channel 21 contains vision signal change-over circuit 211 and vision signal amplifying circuit 212, output termination vision signal amplifying circuit 212 input ends of vision signal change-over circuit 211,212 two output terminals of vision signal amplifying circuit connect video output socket and LCD video processing circuit 213 respectively, and some video input sockets connect vision signal change-over circuit 211 input ends; One voice-grade channel 22, voice-grade channel 22 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; One is used to connect the digital interface 23 of mobile memory and above-mentioned voice-grade channel, video channel, this digital interface (being digital processing circuit) 23 is connected with video channel 21 with voice-grade channel 22 by decoding circuit 24, from the digital signal of mobile memory successively after digital processing circuit 23, decoding circuit 24 are handled, with the vision signal input video passage 21 that generates, with the sound signal input voice-grade channel 22 that generates.Decoding circuit 24 can utilize the decoding circuit in the DVD player.
Above-mentioned vision signal amplifying circuit 212, LCD video processing circuit 213 and voice mixing circuit can adopt available circuit to realize.Its vision signal change-over circuit 211 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, the output terminal of decoding circuit 24 is connected in another input end of multi-channel electronic switch, 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.The switching of each input signal can or be passed through telepilot 13 controls playing by button 12 by signal switch 7 or by telepilot 13 controls.
Described video input socket be used for plugging into camera, digital camera, miniature camera, small-sized DVD player or other image parts, vision signal incoming video signal change-over circuit 211 is changed, after amplifying, divides by vision signal amplifying circuit 212 two-way output again, one the tunnel through video output socket input televisor, LCDs is imported in another road after LCD video processing circuit 213 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.
The digital interface mobile memories such as portable hard drive, USB flash disk that are used for plugging into output to large-screen receiver and play being stored in multimedia courseware in the mobile memory.Digital interface can adopt various portable memory interfaces such as USB interface, SD card, CF card, mmc card interface.Digital interface can be supported the broadcast of audio/video files such as MP3, standard JPG photo, and broadcast can be adopted remote control or manual method.
Fig. 4 is the USB interface figure that adopts OTG (being the abbreviation of on-the-go) agreement.Among the figure, CPUI/O is a plurality of I/O mouths of usb host/equipment, and GPIOx, GPIOy, GPIOz are connected with usb host, and by the software control transmission signals, the over-current state of Vbus judgment device is also implemented protection.
During use, open coded lock, open case lid, connect with the mains, portable digital audio-visual education programme bracket signal output terminal is connected with the television signal input end in classroom.On portable digital audio-visual education programme platform, utilize remote control or manual method, select, switch to the form of teaching of material object display, DVD, mobile memory, external audio and video equipment flexibly, control the broadcast of figure again by remote control or manual method, adopt wired or wireless mode to give televisor by the voice mixing circuit transmission, to realize modern teaching means with teacher's voice signal.
This portable digital audio-visual education programme 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 "; It can play the multimedia courseware that is stored in the mobile memory.Because the classroom and the laboratory of many schools all have been equipped with large-screen color TV, and existing resource is fully used, and can avoid overlapping construction.
Claims (7)
1, a kind of portable digital audio-visual education programme platform, comprise casing, be installed on small-sized DVD player and the material object display device in the casing and be installed in the case lid inboard and be used to monitor the LCDs of performing in a radio or TV programme image, it is characterized in that: signalization treatment circuit in the described casing, this signal processing circuit comprises
One video channel, this video channel contains vision signal change-over circuit and vision signal amplifying circuit, the output termination vision signal input amplifier of vision signal change-over 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;
One voice-grade channel, this 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;
One is used to connect the digital interface of mobile memory and above-mentioned voice-grade channel, video channel, this digital interface is connected with video channel with voice-grade channel by decoding circuit, from the digital signal of mobile memory successively after digital processing circuit, decoding circuit are handled, with the vision signal input video passage that generates, with the sound signal input voice-grade channel that generates.
2, portable digital audio-visual education programme platform according to claim 1, 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, the output terminal of the decoding circuit of described digital interface is connected in an input end of multi-channel electronic switch.
3, portable digital audio-visual education programme platform according to claim 1, it is characterized in that: described digital interface is portable memory interface.
4, portable digital audio-visual education programme platform according to claim 3, it is characterized in that: described portable memory interface is a USB interface.
5, portable digital audio-visual education programme platform according to claim 1 is characterized in that: also be furnished with digital camera or miniature camera.
6, portable digital audio-visual education programme platform according to claim 1 is characterized in that: described material object display device contains the folding rack that is fixed in the casing, and colour imagery shot is installed on the top of folding rack.
7, portable digital audio-visual education programme platform according to claim 1 is characterized in that: on the described casing coded lock is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520063122 CN2814551Y (en) | 2005-08-19 | 2005-08-19 | Portable digital electrified education platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520063122 CN2814551Y (en) | 2005-08-19 | 2005-08-19 | Portable digital electrified education platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2814551Y true CN2814551Y (en) | 2006-09-06 |
Family
ID=36949638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520063122 Expired - Fee Related CN2814551Y (en) | 2005-08-19 | 2005-08-19 | Portable digital electrified education platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2814551Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102710883A (en) * | 2012-05-28 | 2012-10-03 | 深圳市兴鼎业科技有限公司 | Method and system for showing real object |
| CN104778866A (en) * | 2015-03-20 | 2015-07-15 | 四川长虹电器股份有限公司 | Teaching system based on television |
| CN105139774A (en) * | 2015-09-09 | 2015-12-09 | 谢震 | Welcome multimedia machine and processing system and using method thereof |
| CN106448304A (en) * | 2016-12-23 | 2017-02-22 | 广州市锐星信息科技有限公司 | Interactive teaching system |
| CN110021195A (en) * | 2019-04-19 | 2019-07-16 | 南安市泉建机械科技有限公司 | A kind of electronic commerce teaching is in kind and illustrates quick display machine |
-
2005
- 2005-08-19 CN CN 200520063122 patent/CN2814551Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102710883A (en) * | 2012-05-28 | 2012-10-03 | 深圳市兴鼎业科技有限公司 | Method and system for showing real object |
| CN104778866A (en) * | 2015-03-20 | 2015-07-15 | 四川长虹电器股份有限公司 | Teaching system based on television |
| CN105139774A (en) * | 2015-09-09 | 2015-12-09 | 谢震 | Welcome multimedia machine and processing system and using method thereof |
| CN106448304A (en) * | 2016-12-23 | 2017-02-22 | 广州市锐星信息科技有限公司 | Interactive teaching system |
| CN110021195A (en) * | 2019-04-19 | 2019-07-16 | 南安市泉建机械科技有限公司 | A kind of electronic commerce teaching is in kind and illustrates quick display machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106723987B (en) | Intelligent platform | |
| US6522419B1 (en) | Multimedia presentation computing device | |
| CN2814551Y (en) | Portable digital electrified education platform | |
| CN201838206U (en) | Display device for multimedia comprehensive information teaching | |
| CN104199539A (en) | Conference/teaching device interaction platform system | |
| CN207115790U (en) | A kind of English-Assisted Instruction system | |
| CN201503646U (en) | Multimedia audio-visual teaching system | |
| CN204904614U (en) | Intelligence projecting apparatus | |
| CN105225552A (en) | A kind of SCM Based computer video instructional device | |
| CN1520584A (en) | Personal computer lesson system using video telephone | |
| CN203325238U (en) | Multimedia audio and video projection acquisition play one-body machine | |
| CN205959127U (en) | Multi -functional touch -sensitive screen teaching all -in -one | |
| CN2620335Y (en) | Portable integrated platform for audio-visual instruction | |
| CN201147005Y (en) | Multimedia teaching table | |
| CN201886647U (en) | Novel multimedia teaching system | |
| CN212750130U (en) | Sound box control system | |
| CN210042017U (en) | Recorded broadcast remote teaching equipment | |
| CN102945623A (en) | Computer multimedia distance education and training teaching device | |
| CN202904913U (en) | Computer multimedia distance education and training teaching device | |
| CN2684293Y (en) | Portable multimedia education device | |
| CN202257975U (en) | Multimedia teaching system | |
| WO2017219638A1 (en) | Signal transfer device and projection system | |
| CN2872504Y (en) | Two in one digital language studying terminal | |
| CN205158684U (en) | Computer video teaching device based on singlechip | |
| CN204332129U (en) | A kind of College English long-distance education multimedia teaching training set |
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 |