75 inch intelligent nano blackboard

纳米黑板

屏幕

1.有效显示尺寸：对角线:75英寸；屏幕类型：LED A规屏；

2.显示比例：16:9

3.分辨率：≥1920(水平)×1080(垂直)；

4.亮度：≥500cd/m²；

5.对比度：≥5000:1；

6.视角：≥178°；

7.整机寿命：≥50000个小时；

8.书写材质：4mm高强度防爆防眩光钢化玻璃，防划防撞

触控

1. 触控： 电容触控技术；           

2. 触摸方式：手指、或电容笔；

3. 响应速度：2.5ms；

4. 触控偏差：≤2mm；

5. 多点触控：支持10点或以上触摸和书写；

6. 触摸次数：同一位置6000万次以上。

电脑

1. PC主机采用插拔式OPS结构，无任何外接电源线和信号线,方便升级维护。

2. 处理器：Intel Core i3;内存：4G DDR3；硬盘：500G 。

3.网卡：100/1000M 千兆网卡

4.4路具有独立非扩张型的USB接口(其中2路为USB3.0)、1路HDMI、1路音频、1路MIC。

5.内置wifi无线网卡

电视

1.图像制式：PAL/NTSC；     

整机功能

1. Speaker: in order to ensure the normal sound reinforcement of the speaker and avoid mutual interference, the built-in speaker shall be facing forward and not in the middle. It must be installed in the upper positions on the left and right sides of the front of the blackboard and in the same plane with the front of the blackboard. It adopts two 2 * 20W high sound quality built-in box speakers with excellent sound quality and good sound effect. It is equipped with metal horn net, which has a beautiful appearance and can prevent dust from falling. In order to avoid the influence of water on the speaker when the dust-free chalk is erased, the speaker shall not be installed through the opening of tempered glass or the opening of outer frame.

2. The whole machine is made of aluminum profile frame and treated by surface oxidation wire drawing process, with generous and durable appearance;

3. Front interface: at least 6 front interfaces, including 1 PC USB2 0,1 PC usb3 0 1-way touch USB; 1 channel TV USB; 1-way HDMI; 1-way VGA; 1-way audio, convenient for external connection of various equipment.

4. Function keys: there are at least 10 basic function keys on the front panel of the central control, including power supply, computer restart, confirmation, menu, signal source, channel plus, channel minus, mute, sound plus, sound minus and so on.

5. Touch screen locking: the touch function can be locked or unlocked with one key through the remote control or front function lock (non remote control child lock). After locking the touch screen, the touch function is prohibited and can be unlocked through the remote control and front function lock.

6. Function integration: the blackboard, central control and video booth (not plug-in) function modules are built in the equipment. The blackboard is composed of three plates, and the middle one is placed with a LCD screen. For teaching purposes, the central control and booth are placed at the lower positions on both sides of the blackboard and kept in the same plane with the whole equipment, with rich functions and convenient use.

7. Video booth: the video booth is hidden and foldable, with door and lock, which is convenient for use and management. The video booth door is made of aluminum alloy, light and strong, foldable on both sides, and the size after spreading is similar to A4 paper. In front of the video booth, the opening direction of the door is forward, and the plane of the whole machine is vertical after opening, which is convenient for users. In order to ensure the effect of video booth, prevent the loss of video booth and facilitate unified management.

8. Seamless splicing: the structure is truly seamless and integrated design, and all plates and multimedia are seamlessly integrated. The overall writing plane is flat and smooth, and the overall writing has no sense of frustration.

9. Consistency requirements: when the blackboard is turned off, the overall color (blackness) consistency of the blackboard reaches more than 98%. When the display area is turned off, there is no obvious color difference and patch image on the blackboard, so as to realize vivid overall interactive teaching in the classroom.

10. Overall dimension: overall length ≥ 4200mm, height ≥ 1200mm, thickness ≤ 60mm

黑板

1. At the same time, it supports whiteboard, pen writing and chalk writing

2. The surface adopts anti glare technology, and the surface has no reflection to protect users' vision.

4. The surface is resistant to writing technology. Writing with water pen and ordinary chalk will not permanently damage the surface of the blackboard.

5. The front is composed of three plane ordinary blackboards. The middle blackboard can be used as a liquid crystal display, can be used as a touch screen to directly touch and control the computer, and can also be used as an ordinary blackboard to write on it.

中控

1. Integrated central control system: including access control management system and access equipment management system. The control panel adopts mechanical key type design, including HDMI, VGA, USB and other basic access interface functions.

2. The central control supports the IC card door ban management system, which can switch on and off the all-in-one machine by swiping the card. The IC card door ban management system supports iso14443a protocol;

3. Password number key area: there is an independent 0 to 9 password key area. After the equipment is powered on, the correct password of more than 4 digits (including 4 digits) must be input through the digital key area to unlock the power on; Password input error, unable to start. You can reset any password with more than 4 digits (including 4 digits). Up to 16 bit passwords are supported. The password can be modified and cleared (this function must be demonstrated).

4. Password forgetting: after the password is forgotten, you need to swipe the card to modify the password of the central control password lock, or clear the password to prevent the password from being arbitrarily modified by irrelevant personnel.

视频展台

Hardware:

1. Physical resolution: 2591 × 1944 (5 megapixels)

2. Sensor: COMS

3. Focusing mode: fixed focus

4. Maximum shooting format: A4 format

5. Image color: RGB24 bit true color

6. Shooting speed ≤ 1s

7. The camera controls brightness adjustment, contrast adjustment, hue adjustment, saturation adjustment, sharpness adjustment and white balance adjustment

8. Signal to noise ratio ≥ 40dB

9. Distortion index ≤ 1%

10. The built-in microphone can synchronously record video and sound when recording video.

11. Light source: natural light, built-in 6 LED lights, auxiliary light source, stepless rotary dimming

12. Interface USB2 0, USB power supply

白板

软件

1. Teaching preparation function: it can be used separately from the electronic whiteboard to ensure that users prepare lessons offline, and the function is the same as the teaching system, which is convenient for learning software and preparing lessons.

2. Multi account management: you can log in by discipline, and each account can define its own toolbar, system settings, layout, etc

3. Display mode: the page has window, full screen, frame and desktop modes, and the four modes can be switched seamlessly and freely.

4. Object attribute tool: it provides custom settings for different objects. It can set lines, colors, transparency, scales, fly in and fly out object effects, zoom effects, partial and full perspective of pictures and other functions for different objects

5. Page attribute tool: it provides rich canvas schemes. It can set a variety of canvas schemes such as green board, whiteboard, Tian zigzag and staff to enrich teaching. It can set a custom picture Canvas scheme, set different display methods according to the picture resolution, and set a canvas grid scheme and support a variety of page effects such as delimitation

6. Note function: call the note function on any interface to realize the functions of writing, erasing, scrolling, creating a new page, etc;

8. Annotation function: writing annotation can be realized in the PPT playing state or word document browsing. The handwriting can be saved on the original file without changing the attributes of the original file. The handwriting can be edited, scaled and deleted later And you can annotate flash animation, video, etc.

9. Whiteboard software can be imported directly, such as PDF, Excel, Doc, PPT, etc; Various settings can be made for the page and file saving format generated by blackboard writing, such as JPG, Doc, PPT, PDF, HTML, VBX, etc.

10. Insertable pictures: JPEG and GIF formats; Video: WMV, avi, ASF, FLC, MP4, MPEG, etc; Flash file, display size adjustable.

11. Geometric sketchpad function: including drawing of various graphics and function curves of plane geometry and solid geometry, such as point, line, arc, inscribed circle, hyperbola, polar coordinate system and polar coordinate function equation

12. Discipline tools: provide the basic discipline symbol input of each discipline, and provide a large number of component vector diagrams according to discipline, such as beakers with adjustable liquid level. Some components can be zoomed and translated, and multiple components can combine new resources.

13. Auxiliary teaching tools: triangle, compass, protractor, arbitrary shape photography, perspective mirror, graphic intelligent recognition, etc. for vivid teaching.

14. Perspective mirror function: add a picture in the writing area, overlay another opaque picture on this picture, drag the perspective mirror to the overlap of the two pictures, and you can see the underlying picture covered. The local perspective function can also be set for the object to improve the vividness of teaching and display;

15. Chinese and English teaching functions: Chinese pinyin and English phonetics can be embedded, and phrases and paragraphs can be read aloud.

16. The software includes many disciplines: Chinese, mathematics, chemistry, physics, English, biology, geography, nature, history and other disciplines.