CN202549088U - Movable wireless video demonstration stand for teaching - Google Patents
Movable wireless video demonstration stand for teaching Download PDFInfo
- Publication number
- CN202549088U CN202549088U CN2012200570938U CN201220057093U CN202549088U CN 202549088 U CN202549088 U CN 202549088U CN 2012200570938 U CN2012200570938 U CN 2012200570938U CN 201220057093 U CN201220057093 U CN 201220057093U CN 202549088 U CN202549088 U CN 202549088U
- Authority
- CN
- China
- Prior art keywords
- transmitter
- controller
- receiver
- loudspeaker
- display
- 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
Abstract
The utility model discloses a movable wireless video demonstration stand for teaching, which comprises a monitoring acoustic pickup device, photographic equipment, a controller, a loudspeaker, a display, a transmitter and a receiver, wherein the transmitter is in wireless communication with the receiver, the monitoring acoustic pickup device is connected with the transmitter through an A/D conversion module, the photographic equipment is connected with the transmitter through a video processing module, the receiver is connected with the controller, the controller is connected with the loudspeaker through a D/A conversion module, and the controller is further connected with the display. The movable wireless video demonstration stand has the advantages of simple structure and convenient usage, the audio and video signals are transmitted through the wireless transmitter and the receiver, the transmitter can be held by hands of teachers at any position in the classroom, so as to feed back and show useful audio and video signals to students through the loudspeaker and the display, and the students can demonstrate their assignments and works to everybody conveniently.
Description
Technical field
The utility model relates to a kind of video showing platform, and the mobile wireless video showing platform is used in particularly a kind of teaching.
Background technology
Traditional video showing platform need be used long connecting line to connect and could use, and what inconvenience uses for multi-media classroom does not have, and goes usefulness but will take in the common classroom, and too much line is to the just very inconvenience of interaction of teacher and student.Traditional video showing platform operation is complicated, need could use at a fixing platform, and certain limitation is arranged.
Summary of the invention
It is a kind of simple in structure, easy to use that the purpose of the utility model just is to provide, and can move the teaching of using within the specific limits and use the mobile wireless video showing platform.
To achieve these goals; The technical scheme that the utility model adopts is such: the mobile wireless video showing platform is used in the teaching of the utility model, comprises monitoring sound pick up equipment, picture pick-up device, controller, loudspeaker and display, also comprises transmitter and receiver; Radio communication between transmitter and the receiver; Said monitoring sound pick up equipment links to each other with transmitter through the A/D modular converter, and picture pick-up device links to each other with transmitter through video processing module, and receiver is connected with controller; Controller links to each other with loudspeaker through the D/A modular converter, also is connected with display on the controller.
As preferably, said controller is provided with network interface.
As preferably, said transmitter and receiver are provided with the omnidirectional antenna of big gain.
Compared with prior art; The advantage of the utility model is: the utility model is simple in structure; Easy to use, can be installed on the transmitter monitoring sound pick up equipment and picture pick-up device, audio-video signal is through wireless launcher and receiver transmission; The teacher can be held in transmitter that any position in the classroom feeds back to student viewing with useful audio-video signal through loudspeaker and display in the hand, can let the student very easily oneself operation, works showed everybody.
Description of drawings
Fig. 1 is the functional block diagram of the utility model.
Embodiment
To combine accompanying drawing that the utility model is described further below.
Referring to Fig. 1, the mobile wireless video showing platform is used in the teaching of the utility model, comprises monitoring sound pick up equipment, picture pick-up device, controller, loudspeaker and display; Also comprise transmitter and receiver, radio communication between transmitter and the receiver, said monitoring sound pick up equipment links to each other with transmitter through the A/D modular converter; Picture pick-up device links to each other with transmitter through video processing module; Receiver is connected with controller, and controller links to each other with loudspeaker through the D/A modular converter, also is connected with display on the controller; Said controller is provided with network interface, and said transmitter and receiver are provided with the omnidirectional antenna of big gain.
During installation; To monitor sound pick up equipment and picture pick-up device is installed on the transmitter; Audio-video signal is through wireless launcher and receiver transmission; The teacher can be held in transmitter that any position in the classroom feeds back to student viewing with useful audio-video signal through loudspeaker and display in the hand, can let the student very easily oneself operation, works showed everybody.
Claims (3)
1. the mobile wireless video showing platform is used in a teaching; Comprise and monitor sound pick up equipment, picture pick-up device, controller, loudspeaker and display; It is characterized in that: also comprise transmitter and receiver, radio communication between transmitter and the receiver, said monitoring sound pick up equipment links to each other with transmitter through the A/D modular converter; Picture pick-up device links to each other with transmitter through video processing module; Receiver is connected with controller, and controller links to each other with loudspeaker through the D/A modular converter, also is connected with display on the controller.
2. the mobile wireless video showing platform is used in teaching according to claim 1, it is characterized in that: said controller is provided with network interface.
3. the mobile wireless video showing platform is used in teaching according to claim 1, it is characterized in that: said transmitter and receiver are provided with the omnidirectional antenna of big gain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200570938U CN202549088U (en) | 2012-02-22 | 2012-02-22 | Movable wireless video demonstration stand for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200570938U CN202549088U (en) | 2012-02-22 | 2012-02-22 | Movable wireless video demonstration stand for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202549088U true CN202549088U (en) | 2012-11-21 |
Family
ID=47169683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200570938U Expired - Fee Related CN202549088U (en) | 2012-02-22 | 2012-02-22 | Movable wireless video demonstration stand for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202549088U (en) |
-
2012
- 2012-02-22 CN CN2012200570938U patent/CN202549088U/en not_active Expired - Fee Related
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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: 20121121 Termination date: 20130222 |