CN202257974U - Sensing device for teaching - Google Patents
Sensing device for teaching Download PDFInfo
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- CN202257974U CN202257974U CN2011203116872U CN201120311687U CN202257974U CN 202257974 U CN202257974 U CN 202257974U CN 2011203116872 U CN2011203116872 U CN 2011203116872U CN 201120311687 U CN201120311687 U CN 201120311687U CN 202257974 U CN202257974 U CN 202257974U
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- teaching
- radiation shield
- teacher
- induction installation
- projected image
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Abstract
The utility model provides a sensing device used for teaching. The sensing device includes a bottom face; a projector disposed on the bottom face and used for transmitting projection images; and a reflection screen connecting with the bottom face and used for total reflection of the projection images transmitted by the projector. An included angle between the reflection screen and the bottom face is an acute angle. The sensing device also includes at least two infrared transmitting modules and at least two infrared receiving module disposed corners of the reflection screen and the bottom screen and used for forming an infrared plane between the reflection screen and the bottom face. The corners the reflection screen and the corners of the bottom face are not connected together. A teacher faces to one side of the infrared plane to teach according to the projection images totally reflected by the reflection screen. The sensing device also includes a video tap recorder disposed on the other side of the infrared plane of the reflection screen and recording a process that the teacher teaches according to the projection images totally reflected by the reflection screen. In the utility model, since a technical method of totally reflecting the projection images and a technical method of utilizing the video tape recorder disposed on the other side of the infrared plane of the reflection screen that the teacher faces for video recording, an aim of recording the teaching demonstration process in a front side of the teacher is realized.
Description
Technical field
The utility model relates to the multimedia interactive teaching technical field, relates in particular to a kind of teaching induction installation.
Background technology
Continuous development along with multimedia technology; Video interactive teaching being applied in the teaching field more and more widely; The video interactive teaching is meant that the student can watch the instructional video of prerecording through multimedia equipment; And can when watching video, carry out interactive teaching, answering questions with server end.
At present the conventional video interactive teaching is single student viewing teacher's the video that has recorded; Even in video, add interactive effect,, also be that the video non-linear editing instrument through the desktop version generates such as some suggestive effects such as captions; And the video that the non-linear instrument of process generates; Do not have interaction effect, itself and video are as good as, and just utilize the effect that computer technology has added can't be provided when video record.
At present, the video interactive teaching can realize better video interactive teaching through the synthetic of teachers ' teaching demonstration and lantern projection's image two paths of signals.General relatively good the obtaining of lantern projection's this signal of image; But teachers ' teaching this process of demonstration if the teacher needs to click projected image in this process, is carried out the demonstration that cooperates with teaching owing to all be the signal recording back to the teacher generally at present in teaching; For example maybe be to certain formula in the projected image on the projection screen; Or certain word indicates, and this scheme is because back to the teacher, thereby can not well see teacher's presentation process; But positive for recording in the face of the teacher's teaching presentation process, implement the comparison difficulty.
The utility model content
The utility model embodiment provides a kind of teaching induction installation, to realize recording the positive teacher's teaching presentation process of facing.
In order to achieve the above object, the utility model embodiment provides a kind of teaching induction installation, and said teaching induction installation comprises:
One bottom surface;
One projector is positioned on the said bottom surface, is used to launch projected image;
One radiation shield links to each other with said bottom surface, and with the angle of said bottom surface be an acute angle, be used for the projected image of said projector emission is carried out total reflection;
At least two infrared emission receiving elements; Be positioned on the disjunct angle of said radiation shield and said bottom surface; Be used for structure one infrared plane between said radiation shield and said bottom surface, the teacher imparts knowledge to students in the face of the said projected image of coming to said radiation shield total reflection in said infrared plane;
One video recorder is positioned at the another side of said teacher towards the face of said radiation shield, and the teaching process that said teacher comes through said radiation shield refraction is recorded a video.
Technique scheme has following beneficial effect: because adopt the technological means to the projected image total reflection; And the teacher imparts knowledge to students in the face of the projected image after the total reflection; Through being positioned at the technological means that teaching process that said teacher comes through said radiation shield refraction to said teacher towards the video recorder of the another side of the face of said radiation shield is recorded a video; So realized recording the positive teacher's teaching presentation process of facing, for the multimedia interactive teaching in later stage has been established the basis of realizing.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of teaching induction installation of the utility model embodiment structural representation;
Fig. 2 is that the utility model embodiment radiation shield constitutes structural representation;
Fig. 3 utilizes teaching induction installation teaching synoptic diagram for the utility model application example teacher;
The synoptic diagram that Fig. 4 reflects or reflects light for the utility model application example radiation shield.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, be a kind of teaching induction installation of the utility model embodiment structural representation, said teaching induction installation comprises:
One bottom surface 4;
One projector 1 is positioned on the said bottom surface 4, is used to launch projected image;
One radiation shield 2 links to each other with said bottom surface 4, and with the angle of said bottom surface 4 be an acute angle, be used for the projected image of said projector 1 emission is carried out total reflection;
At least two infrared emission receiving elements (comprising infrared emission unit A, infrared emission unit B, infrared receiver C, infrared receiver D); Be positioned on said radiation shield 2 and the 4 disjunct angles, said bottom surface; Be used on 4 structures of said radiation shield 2 and said bottom surface, one infrared plane, the teacher imparts knowledge to students in the face of the said projected image of coming to said radiation shield 2 total reflections in said infrared plane;
One video recorder 3 is positioned at the another side of said teacher towards the face of said radiation shield 2, and the teaching process that said teacher comes through said radiation shield 2 refractions is recorded a video.
Preferential, said radiation shield can comprise non-reflecting glass and plated film.
Preferential, said non-reflecting glass can be 4 to 5 plated films towards teacher's one side, said non-reflecting glass can be 1 plated film towards the one side of said video recorder.
Preferential, the thickness of said 1 plated film can be 50um to 100um.
Preferential, said plated film can be made up of titanium magnesium alloy and silicon dioxide.
Preferential, said titanium magnesium alloy and said silicon dioxide can be according to the compositions that respectively accounts for about 50%.
As shown in Figure 2, for the utility model embodiment radiation shield constitutes structural representation, this radiation shield comprises three parts; Plated film a, non-reflecting glass b and plated film c, wherein, plated film a is positioned at the one side towards the teacher of non-reflecting glass; It can be for 4 to 5 plated films, to increase the smoothness of this face; And plated film c is positioned at the one side towards said video recorder of non-reflecting glass, and it can be 1 plated film, to help the diffuse reflection of this face.
Preferential, said radiation shield 2 can be 45 degree ± 10 degree with the acute angle of the angle of said bottom surface 4.
Preferential, said projector 1 can be used for launching vertically upward projected image.
Preferential, the projected image that said projector 1 launch vertically upward can become 90 to spend angles with projected image after said radiation shield 2 carries out total reflection.
Preferential, said bottom surface 4 can be for square or rectangular etc.; Said radiation shield 2 can be square or rectangular etc.
As shown in Figure 3, for the utility model application example teacher utilizes teaching induction installation teaching synoptic diagram.Synoptic diagram as shown in Figure 4, as light to be reflected or reflects for the utility model application example radiation shield.The condition that produces total reflection is: 1. light must be by optically denser medium directive optically thinner medium. and 2. incident angle must be greater than critical angle.When light during by optically denser medium air directive optically thinner medium plated film, the refraction angle will be greater than the incident angle (I among Fig. 4 for example
1-R
1, I
2-R
2).(the I among Fig. 4 for example when incident angle increases to a certain numerical value
3Incident angle), the refraction angle will reach 90 ° of (R among Fig. 4 for example
3Incident angle), in the optically thinner medium plated film refracted ray will not appear at this moment, as long as during greater than above-mentioned a certain numerical value, all no longer there is refraction effect in incident angle, this just produces the total reflection (I among Fig. 4 for example
4-R
4).The light of the projected image of launching vertically upward when projector is mapped to air and plated film two media interface, just produces total reflection, promptly only produces reflection and does not produce refraction; And since the light of the projected image that light from diffuse reflection on the person to radiation shield is launched unlike projector vertically upward directivity is consistent so; Therefore; With regard to some light behind superrefraction to being positioned at the another side of said teacher towards the face of radiation shield, collected by video recorder.Can realize recording the teaching process that said teacher comes through said radiation shield refraction like this.
The utility model embodiment is because adopt the technological means to the projected image total reflection; And the teacher imparts knowledge to students in the face of the projected image after the total reflection; Through being positioned at the technological means that teaching process that said teacher comes through said radiation shield refraction to said teacher towards the video recorder of the another side of the face of said radiation shield is recorded a video; So realized recording the positive teacher's teaching presentation process of facing, for the multimedia interactive teaching in later stage has been established the basis of realizing.
Those skilled in the art can also recognize the various illustrative components, blocks (illustrative logical block) that the utility model embodiment lists, and unit and step can be passed through electronic hardware, computer software, or both combinations realize.Be the clear replaceability (interchangeability) of showing hardware and software, above-mentioned various illustrative components (illustrative components), unit and step have been described their function generally.Such function is to realize depending on the designing requirement of certain applications and total system through hardware or software.Those skilled in the art can be for every kind of certain applications, and can make ins all sorts of ways realizes described function, but this realization should not be understood that to exceed the scope of the utility model embodiment protection.
Various illustrative logical block described in the utility model embodiment; Or the unit can pass through general processor, digital signal processor, special IC (ASIC); Field programmable gate array (FPGA) or other programmable logic device; Discrete gate or transistor logic, discrete hardware components, or the design of above-mentioned any combination realizes or operates described function.General processor can be microprocessor, and alternatively, this general processor also can be any traditional processor, controller, microcontroller or state machine.Processor also can realize through the combination of calculation element, for example digital signal processor and microprocessor, a plurality of microprocessors, Digital Signal Processor Core of one or more microprocessors associatings, or any other similarly configuration realize.
The method described in the utility model embodiment or the step of algorithm can directly embed hardware, the software module of processor execution or the two combination.Software module can be stored in the storage medium of other arbitrary form in RAM storer, flash memory, ROM storer, eprom memory, eeprom memory, register, hard disk, moveable magnetic disc, CD-ROM or this area.Exemplarily, storage medium can be connected with processor, so that processor can read information from storage medium, and can deposit write information to storage medium.Alternatively, storage medium can also be integrated in the processor.Processor and storage medium can be arranged among the ASIC, and ASIC can be arranged in the user terminal.Alternatively, processor and storage medium also can be arranged in the various parts in the user terminal.
In one or more exemplary designs, the described above-mentioned functions of the utility model embodiment can realize in hardware, software, firmware or this three's combination in any.If in software, realize, these functions can be stored on the media with computer-readable, or are transmitted on the media of computer-readable with one or more instructions or code form.The computer-readable media comprises that the computer storage medium lets computer program transfer to other local telecommunication media from a place with being convenient to make.Storage medium can be the useable medium that any general or special computer can access.For example; Such computer readable media can include but not limited to RAM, ROM, EEPROM, CD-ROM or other optical disc storage, disk storage or other magnetic storage device, or other any can be used to carry or store with instruction or data structure and other can be read the media of the program code of form by general or special computer or general or special processor.In addition; Any connection can suitably be defined as the computer-readable media; For example, if software is through a concentric cable, optical fiber computer, twisted-pair feeder, Digital Subscriber Line (DSL) or also being comprised in the defined computer-readable media with wireless mode transmission such as for example infrared, wireless and microwaves from a web-site, server or other remote resource.Described video disc (disk) and disk (disc) comprise Zip disk, radium-shine dish, CD, DVD, floppy disk and Blu-ray Disc, and disk is usually with the magnetic duplication data, and video disc carries out the optical reproduction data with laser usually.Above-mentioned combination also can be included in the computer-readable media.
Above-described embodiment; Purpose, technical scheme and beneficial effect to the utility model have carried out further explain, it should be understood that the above is merely the embodiment of the utility model; And be not used in the protection domain that limits the utility model; All within the spirit and principle of the utility model, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (8)
1. a teaching induction installation is characterized in that, said teaching induction installation comprises:
One bottom surface;
One projector is positioned on the said bottom surface, is used to launch projected image;
One radiation shield links to each other with said bottom surface, and with the angle of said bottom surface be an acute angle, be used for the projected image of said projector emission is carried out total reflection;
At least two infrared emission receiving elements; Be positioned on the disjunct angle of said radiation shield and said bottom surface; Be used for structure one infrared plane between said radiation shield and said bottom surface, the teacher imparts knowledge to students in the face of the said projected image of coming to said radiation shield total reflection in said infrared plane;
One video recorder is positioned at the another side of said teacher towards the face of said radiation shield, and the teaching process that said teacher comes through said radiation shield refraction is recorded a video.
2. the induction installation of imparting knowledge to students according to claim 1 is characterized in that,
Said radiation shield comprises non-reflecting glass and plated film.
3. like the said teaching induction installation of claim 2, it is characterized in that,
Said non-reflecting glass is 4 to 5 plated films towards teacher's one side, and said non-reflecting glass is 1 plated film towards the one side of said video recorder.
4. like the said teaching induction installation of claim 3, it is characterized in that,
The thickness of said 1 plated film is 50um to 100um.
5. the induction installation of imparting knowledge to students according to claim 1 is characterized in that,
Said acute angle is 45 degree ± 10 degree.
6. like the said teaching induction installation of claim 5, it is characterized in that,
Said projector is used for launching vertically upward projected image.
7. like the said teaching induction installation of claim 6, it is characterized in that,
The projected image that said projector is launched vertically upward becomes 90 degree angles with projected image after said radiation shield carries out total reflection.
8. the induction installation of imparting knowledge to students according to claim 1 is characterized in that,
Said bottom surface is a square or rectangular; Said radiation shield is a square or rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203116872U CN202257974U (en) | 2011-08-25 | 2011-08-25 | Sensing device for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203116872U CN202257974U (en) | 2011-08-25 | 2011-08-25 | Sensing device for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202257974U true CN202257974U (en) | 2012-05-30 |
Family
ID=46119184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203116872U Withdrawn - After Issue CN202257974U (en) | 2011-08-25 | 2011-08-25 | Sensing device for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202257974U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102956123A (en) * | 2011-08-25 | 2013-03-06 | 亿度慧达教育科技（北京）有限公司 | Teaching sensing device |
| CN112634686A (en) * | 2020-12-30 | 2021-04-09 | 重庆工业职业技术学院 | Interactive feedback system for modern education |
-
2011
- 2011-08-25 CN CN2011203116872U patent/CN202257974U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102956123A (en) * | 2011-08-25 | 2013-03-06 | 亿度慧达教育科技（北京）有限公司 | Teaching sensing device |
| CN102956123B (en) * | 2011-08-25 | 2015-06-03 | 亿度慧达教育科技（北京）有限公司 | Teaching sensing device |
| CN112634686A (en) * | 2020-12-30 | 2021-04-09 | 重庆工业职业技术学院 | Interactive feedback system for modern education |
| CN112634686B (en) * | 2020-12-30 | 2022-08-16 | 重庆工业职业技术学院 | Interactive feedback system for modern education |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120530 Effective date of abandoning: 20150603 |
|
| RGAV | Abandon patent right to avoid regrant |